SYMBOLCOMMON_NAMEaka. SYNONYMS
win.ncctrojan (Back to overview)

nccTrojan

Actor(s): TA428


There is no description at this point.

References
2022-08-08KasperskyKaspersky Lab ICS CERT
@techreport{cert:20220808:targeted:61c5617, author = {Kaspersky Lab ICS CERT}, title = {{Targeted attack on industrial enterprises and public institutions}}, date = {2022-08-08}, institution = {Kaspersky}, url = {https://ics-cert.kaspersky.com/media/Kaspersky-ICS-CERT-Targeted-attack-on-industrial-enterprises-and-public-institutions-En.pdf}, language = {English}, urldate = {2022-08-11} } Targeted attack on industrial enterprises and public institutions
Cotx RAT Logtu nccTrojan PortDoor
2021-09-23ESET ResearchESET Research
@online{research:20210923:c:02fc0f8, author = {ESET Research}, title = {{Tweet on C# variant of the nccTrojan}}, date = {2021-09-23}, organization = {ESET Research}, url = {https://twitter.com/ESETresearch/status/1441139057682104325?s=20}, language = {English}, urldate = {2021-09-29} } Tweet on C# variant of the nccTrojan
nccTrojan
2021-02-18NTT SecurityHiroki Hada
@online{hada:20210218:ncctrojan:04c46fc, author = {Hiroki Hada}, title = {{nccTrojan used in targeted attack by TA428 group against defense and aviation organizations}}, date = {2021-02-18}, organization = {NTT Security}, url = {https://insight-jp.nttsecurity.com/post/102gr6l/ta428ncctrojan}, language = {Japanese}, urldate = {2021-02-18} } nccTrojan used in targeted attack by TA428 group against defense and aviation organizations
nccTrojan
2021-01-08Youtube (Virus Bulletin)Fumio Ozawa, Shogo Hayashi, Rintaro Koike
@online{ozawa:20210108:operation:18eec5e, author = {Fumio Ozawa and Shogo Hayashi and Rintaro Koike}, title = {{Operation LagTime IT: colourful Panda footprint}}, date = {2021-01-08}, organization = {Youtube (Virus Bulletin)}, url = {https://www.youtube.com/watch?v=1WfPlgtfWnQ}, language = {English}, urldate = {2021-02-06} } Operation LagTime IT: colourful Panda footprint
Cotx RAT nccTrojan Poison Ivy Tmanger TA428
2020-11-26Medium SebdravenSébastien Larinier
@online{larinier:20201126:actor:449d888, author = {Sébastien Larinier}, title = {{Actor behind Operation LagTime targets Russia}}, date = {2020-11-26}, organization = {Medium Sebdraven}, url = {https://sebdraven.medium.com/actor-behind-operation-lagtime-targets-russia-f8c277dc52a9}, language = {English}, urldate = {2021-02-26} } Actor behind Operation LagTime targets Russia
nccTrojan
2020-09-30NTT SecurityFumio Ozawa, Shogo Hayashi, Rintaro Koike
@techreport{ozawa:20200930:operation:04593f6, author = {Fumio Ozawa and Shogo Hayashi and Rintaro Koike}, title = {{Operation LagTime IT: colourful Panda footprint (Slides)}}, date = {2020-09-30}, institution = {NTT Security}, url = {https://vblocalhost.com/uploads/VB2020-20.pdf}, language = {English}, urldate = {2021-02-06} } Operation LagTime IT: colourful Panda footprint (Slides)
Cotx RAT nccTrojan Poison Ivy Tmanger
2020-09-30NTT SecurityFumio Ozawa, Shogo Hayashi, Rintaro Koike
@techreport{ozawa:20200930:operation:1efe218, author = {Fumio Ozawa and Shogo Hayashi and Rintaro Koike}, title = {{Operation LagTime IT: colourful Panda footprint}}, date = {2020-09-30}, institution = {NTT Security}, url = {https://vblocalhost.com/uploads/VB2020-Ozawa-etal.pdf}, language = {English}, urldate = {2021-01-25} } Operation LagTime IT: colourful Panda footprint
Cotx RAT nccTrojan Poison Ivy Tmanger
Yara Rules
[TLP:WHITE] win_ncctrojan_auto (20220808 | Detects win.ncctrojan.)
rule win_ncctrojan_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-08-05"
        version = "1"
        description = "Detects win.ncctrojan."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ncctrojan"
        malpedia_rule_date = "20220805"
        malpedia_hash = "6ec06c64bcfdbeda64eff021c766b4ce34542b71"
        malpedia_version = "20220808"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 68???????? e9???????? 83f801 750a 68???????? e9???????? }
            // n = 6, score = 500
            //   68????????           |                     
            //   e9????????           |                     
            //   83f801               | cmp                 eax, 1
            //   750a                 | jne                 0xc
            //   68????????           |                     
            //   e9????????           |                     

        $sequence_1 = { 83f805 7536 8b85e8feffff 85c0 750a 68???????? e9???????? }
            // n = 7, score = 500
            //   83f805               | cmp                 eax, 5
            //   7536                 | jne                 0x38
            //   8b85e8feffff         | mov                 eax, dword ptr [ebp - 0x118]
            //   85c0                 | test                eax, eax
            //   750a                 | jne                 0xc
            //   68????????           |                     
            //   e9????????           |                     

        $sequence_2 = { 6a00 ff15???????? 8d85e8fdffff 50 8d85e8adffff }
            // n = 5, score = 400
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   8d85e8fdffff         | lea                 eax, [ebp - 0x218]
            //   50                   | push                eax
            //   8d85e8adffff         | lea                 eax, [ebp - 0x5218]

        $sequence_3 = { 2bd6 8d8568feffff 2bca 49 51 }
            // n = 5, score = 400
            //   2bd6                 | sub                 edx, esi
            //   8d8568feffff         | lea                 eax, [ebp - 0x198]
            //   2bca                 | sub                 ecx, edx
            //   49                   | dec                 ecx
            //   51                   | push                ecx

        $sequence_4 = { 68???????? 8d85e8adffff 6800400000 50 e8???????? 6a0a 6a08 }
            // n = 7, score = 400
            //   68????????           |                     
            //   8d85e8adffff         | lea                 eax, [ebp - 0x5218]
            //   6800400000           | push                0x4000
            //   50                   | push                eax
            //   e8????????           |                     
            //   6a0a                 | push                0xa
            //   6a08                 | push                8

        $sequence_5 = { 85f6 7e5b 83fe20 7249 8bce 57 81e11f000080 }
            // n = 7, score = 400
            //   85f6                 | test                esi, esi
            //   7e5b                 | jle                 0x5d
            //   83fe20               | cmp                 esi, 0x20
            //   7249                 | jb                  0x4b
            //   8bce                 | mov                 ecx, esi
            //   57                   | push                edi
            //   81e11f000080         | and                 ecx, 0x8000001f

        $sequence_6 = { 8d44243c b9???????? 90 668b10 663b11 751e 6685d2 }
            // n = 7, score = 400
            //   8d44243c             | lea                 eax, [esp + 0x3c]
            //   b9????????           |                     
            //   90                   | nop                 
            //   668b10               | mov                 dx, word ptr [eax]
            //   663b11               | cmp                 dx, word ptr [ecx]
            //   751e                 | jne                 0x20
            //   6685d2               | test                dx, dx

        $sequence_7 = { 6a0a 6a08 8d45ec 0f57c0 50 ffb5c4abffff }
            // n = 6, score = 400
            //   6a0a                 | push                0xa
            //   6a08                 | push                8
            //   8d45ec               | lea                 eax, [ebp - 0x14]
            //   0f57c0               | xorps               xmm0, xmm0
            //   50                   | push                eax
            //   ffb5c4abffff         | push                dword ptr [ebp - 0x543c]

        $sequence_8 = { 8975b8 e8???????? 83c40c c745b840000000 }
            // n = 4, score = 300
            //   8975b8               | mov                 dword ptr [ebp - 0x48], esi
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   c745b840000000       | mov                 dword ptr [ebp - 0x48], 0x40

        $sequence_9 = { 837d2410 8b7520 0f437d10 ff15???????? 50 56 }
            // n = 6, score = 300
            //   837d2410             | cmp                 dword ptr [ebp + 0x24], 0x10
            //   8b7520               | mov                 esi, dword ptr [ebp + 0x20]
            //   0f437d10             | cmovae              edi, dword ptr [ebp + 0x10]
            //   ff15????????         |                     
            //   50                   | push                eax
            //   56                   | push                esi

        $sequence_10 = { 6a15 50 8975cc e8???????? }
            // n = 4, score = 300
            //   6a15                 | push                0x15
            //   50                   | push                eax
            //   8975cc               | mov                 dword ptr [ebp - 0x34], esi
            //   e8????????           |                     

        $sequence_11 = { 8975a8 ff15???????? 6a40 8d45bc }
            // n = 4, score = 300
            //   8975a8               | mov                 dword ptr [ebp - 0x58], esi
            //   ff15????????         |                     
            //   6a40                 | push                0x40
            //   8d45bc               | lea                 eax, [ebp - 0x44]

        $sequence_12 = { 8ac1 02c9 2480 7403 }
            // n = 4, score = 300
            //   8ac1                 | mov                 al, cl
            //   02c9                 | add                 cl, cl
            //   2480                 | and                 al, 0x80
            //   7403                 | je                  5

        $sequence_13 = { 5d c3 3dffffff7f 7605 e9???????? }
            // n = 5, score = 300
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   3dffffff7f           | cmp                 eax, 0x7fffffff
            //   7605                 | jbe                 7
            //   e9????????           |                     

        $sequence_14 = { 5d c3 50 e8???????? 59 85c0 74e5 }
            // n = 7, score = 300
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   50                   | push                eax
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   85c0                 | test                eax, eax
            //   74e5                 | je                  0xffffffe7

        $sequence_15 = { 7224 8d4823 3bc8 76e5 51 e8???????? }
            // n = 6, score = 300
            //   7224                 | jb                  0x26
            //   8d4823               | lea                 ecx, [eax + 0x23]
            //   3bc8                 | cmp                 ecx, eax
            //   76e5                 | jbe                 0xffffffe7
            //   51                   | push                ecx
            //   e8????????           |                     

    condition:
        7 of them and filesize < 1160192
}
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