SYMBOLCOMMON_NAMEaka. SYNONYMS
win.pebbledash (Back to overview)

PEBBLEDASH


There is no description at this point.

References
2022-01-05AhnLabASEC Analysis Team
@online{team:20220105:analysis:6eadabd, author = {ASEC Analysis Team}, title = {{Analysis Report on Kimsuky Group’s APT Attacks (AppleSeed, PebbleDash)}}, date = {2022-01-05}, organization = {AhnLab}, url = {https://asec.ahnlab.com/en/30532/}, language = {English}, urldate = {2022-04-15} } Analysis Report on Kimsuky Group’s APT Attacks (AppleSeed, PebbleDash)
Appleseed Kimsuky PEBBLEDASH
2021-12-28AhnLabASEC Analysis Team
@online{team:20211228:attack:edb0d15, author = {ASEC Analysis Team}, title = {{APT Attack Cases of Kimsuky Group (PebbleDash)}}, date = {2021-12-28}, organization = {AhnLab}, url = {https://asec.ahnlab.com/en/30022/}, language = {English}, urldate = {2022-04-15} } APT Attack Cases of Kimsuky Group (PebbleDash)
PEBBLEDASH
2021-11-16AhnLabASEC Analysis Team
@techreport{team:20211116:analysis:77a82f6, author = {ASEC Analysis Team}, title = {{Analysis Report of Kimsuky Group's APT Attacks (AppleSeed, PebbleDash)}}, date = {2021-11-16}, institution = {AhnLab}, url = {https://download.ahnlab.com/global/brochure/Analysis%20Report%20of%20Kimsuky%20Group.pdf}, language = {English}, urldate = {2022-05-04} } Analysis Report of Kimsuky Group's APT Attacks (AppleSeed, PebbleDash)
Appleseed PEBBLEDASH
2021-06-15KasperskySeongsu Park
@online{park:20210615:andariel:1e000a0, author = {Seongsu Park}, title = {{Andariel evolves to target South Korea with ransomware}}, date = {2021-06-15}, organization = {Kaspersky}, url = {https://securelist.com/andariel-evolves-to-target-south-korea-with-ransomware/102811/}, language = {English}, urldate = {2023-09-22} } Andariel evolves to target South Korea with ransomware
BISTROMATH PEBBLEDASH TigerLite Tiger RAT Unidentified 081 (Andariel Ransomware)
2020-06-23ReversingLabsKarlo Zanki
@online{zanki:20200623:hidden:807b898, author = {Karlo Zanki}, title = {{Hidden Cobra - from a shed skin to the viper’s nest}}, date = {2020-06-23}, organization = {ReversingLabs}, url = {https://blog.reversinglabs.com/blog/hidden-cobra}, language = {English}, urldate = {2020-06-23} } Hidden Cobra - from a shed skin to the viper’s nest
Bankshot PEBBLEDASH TAINTEDSCRIBE
2020-06-02MalwareNailedFaisal Abdul Malik Qureshi
@online{qureshi:20200602:pebbledash:6ffad25, author = {Faisal Abdul Malik Qureshi}, title = {{PebbleDash - Lazarus / HiddenCobra RAT}}, date = {2020-06-02}, organization = {MalwareNailed}, url = {https://malwarenailed.blogspot.com/2020/06/peebledash-lazarus-hiddencobra-rat.html?m=1}, language = {English}, urldate = {2020-06-03} } PebbleDash - Lazarus / HiddenCobra RAT
PEBBLEDASH
2020-05-12US-CERTUS-CERT
@online{uscert:20200512:mar102888343v1:f924c43, author = {US-CERT}, title = {{MAR-10288834-3.v1 – North Korean Trojan: PEBBLEDASH}}, date = {2020-05-12}, organization = {US-CERT}, url = {https://www.us-cert.gov/ncas/analysis-reports/ar20-133c}, language = {English}, urldate = {2020-05-13} } MAR-10288834-3.v1 – North Korean Trojan: PEBBLEDASH
PEBBLEDASH
Yara Rules
[TLP:WHITE] win_pebbledash_auto (20230715 | Detects win.pebbledash.)
rule win_pebbledash_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-07-11"
        version = "1"
        description = "Detects win.pebbledash."
        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.pebbledash"
        malpedia_rule_date = "20230705"
        malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41"
        malpedia_version = "20230715"
        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 = { 8b11 52 e8???????? 83c404 8b8594baffff c74004ffffffff 8b8d94baffff }
            // n = 7, score = 100
            //   8b11                 | mov                 edx, dword ptr [ecx]
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   8b8594baffff         | mov                 eax, dword ptr [ebp - 0x456c]
            //   c74004ffffffff       | mov                 dword ptr [eax + 4], 0xffffffff
            //   8b8d94baffff         | mov                 ecx, dword ptr [ebp - 0x456c]

        $sequence_1 = { eb7d 8b8db0f9ffff 83e110 85c9 742c 8b95a8f9ffff 52 }
            // n = 7, score = 100
            //   eb7d                 | jmp                 0x7f
            //   8b8db0f9ffff         | mov                 ecx, dword ptr [ebp - 0x650]
            //   83e110               | and                 ecx, 0x10
            //   85c9                 | test                ecx, ecx
            //   742c                 | je                  0x2e
            //   8b95a8f9ffff         | mov                 edx, dword ptr [ebp - 0x658]
            //   52                   | push                edx

        $sequence_2 = { 8d8598f3ffff 50 b9???????? e8???????? e9???????? 8b8d84efffff 8d540902 }
            // n = 7, score = 100
            //   8d8598f3ffff         | lea                 eax, [ebp - 0xc68]
            //   50                   | push                eax
            //   b9????????           |                     
            //   e8????????           |                     
            //   e9????????           |                     
            //   8b8d84efffff         | mov                 ecx, dword ptr [ebp - 0x107c]
            //   8d540902             | lea                 edx, [ecx + ecx + 2]

        $sequence_3 = { 55 8bec 83ec0c 894df4 8b45f4 837804ff 7468 }
            // n = 7, score = 100
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   83ec0c               | sub                 esp, 0xc
            //   894df4               | mov                 dword ptr [ebp - 0xc], ecx
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   837804ff             | cmp                 dword ptr [eax + 4], -1
            //   7468                 | je                  0x6a

        $sequence_4 = { 8b4d08 8b9144af0100 8d440204 8b4d08 898144af0100 8b5508 c78248af010000000000 }
            // n = 7, score = 100
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   8b9144af0100         | mov                 edx, dword ptr [ecx + 0x1af44]
            //   8d440204             | lea                 eax, [edx + eax + 4]
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   898144af0100         | mov                 dword ptr [ecx + 0x1af44], eax
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]
            //   c78248af010000000000     | mov    dword ptr [edx + 0x1af48], 0

        $sequence_5 = { 3b4804 0f84a5000000 8b9594baffff 837a04ff 7411 8b8594baffff 8b08 }
            // n = 7, score = 100
            //   3b4804               | cmp                 ecx, dword ptr [eax + 4]
            //   0f84a5000000         | je                  0xab
            //   8b9594baffff         | mov                 edx, dword ptr [ebp - 0x456c]
            //   837a04ff             | cmp                 dword ptr [edx + 4], -1
            //   7411                 | je                  0x13
            //   8b8594baffff         | mov                 eax, dword ptr [ebp - 0x456c]
            //   8b08                 | mov                 ecx, dword ptr [eax]

        $sequence_6 = { 85c0 7511 8b8598fdffff 50 ff15???????? 33c0 }
            // n = 6, score = 100
            //   85c0                 | test                eax, eax
            //   7511                 | jne                 0x13
            //   8b8598fdffff         | mov                 eax, dword ptr [ebp - 0x268]
            //   50                   | push                eax
            //   ff15????????         |                     
            //   33c0                 | xor                 eax, eax

        $sequence_7 = { e8???????? 8945fc 8b4d0c 2b4d08 83c101 894df8 8b45fc }
            // n = 7, score = 100
            //   e8????????           |                     
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   8b4d0c               | mov                 ecx, dword ptr [ebp + 0xc]
            //   2b4d08               | sub                 ecx, dword ptr [ebp + 8]
            //   83c101               | add                 ecx, 1
            //   894df8               | mov                 dword ptr [ebp - 8], ecx
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]

        $sequence_8 = { 8b858cefffff 50 8b8d88efffff 51 b9???????? e8???????? 85c0 }
            // n = 7, score = 100
            //   8b858cefffff         | mov                 eax, dword ptr [ebp - 0x1074]
            //   50                   | push                eax
            //   8b8d88efffff         | mov                 ecx, dword ptr [ebp - 0x1078]
            //   51                   | push                ecx
            //   b9????????           |                     
            //   e8????????           |                     
            //   85c0                 | test                eax, eax

        $sequence_9 = { 81c200000300 52 e8???????? 83c40c 8b45fc }
            // n = 5, score = 100
            //   81c200000300         | add                 edx, 0x30000
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]

    condition:
        7 of them and filesize < 360448
}
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