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 = {2021-11-03} } Andariel evolves to target South Korea with ransomware
BISTROMATH PEBBLEDASH 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 (20230407 | Detects win.pebbledash.)
rule win_pebbledash_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-03-28"
        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 = "20230328"
        malpedia_hash = "9d2d75cef573c1c2d861f5197df8f563b05a305d"
        malpedia_version = "20230407"
        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 = { f7d8 88856cfeffff 8b4df8 83e120 f7d9 1bc9 f7d9 }
            // n = 7, score = 100
            //   f7d8                 | neg                 eax
            //   88856cfeffff         | mov                 byte ptr [ebp - 0x194], al
            //   8b4df8               | mov                 ecx, dword ptr [ebp - 8]
            //   83e120               | and                 ecx, 0x20
            //   f7d9                 | neg                 ecx
            //   1bc9                 | sbb                 ecx, ecx
            //   f7d9                 | neg                 ecx

        $sequence_1 = { c3 55 8bec 83ec14 c745f000000000 c745f400000000 8d4508 }
            // n = 7, score = 100
            //   c3                   | ret                 
            //   55                   | push                ebp
            //   8bec                 | mov                 ebp, esp
            //   83ec14               | sub                 esp, 0x14
            //   c745f000000000       | mov                 dword ptr [ebp - 0x10], 0
            //   c745f400000000       | mov                 dword ptr [ebp - 0xc], 0
            //   8d4508               | lea                 eax, [ebp + 8]

        $sequence_2 = { c645f9ac c645fae3 c645fb25 c645e400 33c9 894de5 682c010000 }
            // n = 7, score = 100
            //   c645f9ac             | mov                 byte ptr [ebp - 7], 0xac
            //   c645fae3             | mov                 byte ptr [ebp - 6], 0xe3
            //   c645fb25             | mov                 byte ptr [ebp - 5], 0x25
            //   c645e400             | mov                 byte ptr [ebp - 0x1c], 0
            //   33c9                 | xor                 ecx, ecx
            //   894de5               | mov                 dword ptr [ebp - 0x1b], ecx
            //   682c010000           | push                0x12c

        $sequence_3 = { e8???????? 83c408 85c0 7407 c745f4ffffffff 8d45d4 50 }
            // n = 7, score = 100
            //   e8????????           |                     
            //   83c408               | add                 esp, 8
            //   85c0                 | test                eax, eax
            //   7407                 | je                  9
            //   c745f4ffffffff       | mov                 dword ptr [ebp - 0xc], 0xffffffff
            //   8d45d4               | lea                 eax, [ebp - 0x2c]
            //   50                   | push                eax

        $sequence_4 = { 52 e8???????? 83c404 8b8518feffff c74004ffffffff 8b8d18feffff 8b5508 }
            // n = 7, score = 100
            //   52                   | push                edx
            //   e8????????           |                     
            //   83c404               | add                 esp, 4
            //   8b8518feffff         | mov                 eax, dword ptr [ebp - 0x1e8]
            //   c74004ffffffff       | mov                 dword ptr [eax + 4], 0xffffffff
            //   8b8d18feffff         | mov                 ecx, dword ptr [ebp - 0x1e8]
            //   8b5508               | mov                 edx, dword ptr [ebp + 8]

        $sequence_5 = { 8b95ccfeffff 8b4204 8945fc 8d8dd0feffff 51 8b550c 52 }
            // n = 7, score = 100
            //   8b95ccfeffff         | mov                 edx, dword ptr [ebp - 0x134]
            //   8b4204               | mov                 eax, dword ptr [edx + 4]
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   8d8dd0feffff         | lea                 ecx, [ebp - 0x130]
            //   51                   | push                ecx
            //   8b550c               | mov                 edx, dword ptr [ebp + 0xc]
            //   52                   | push                edx

        $sequence_6 = { 51 b9???????? e8???????? 85c0 7504 33c0 eb30 }
            // n = 7, score = 100
            //   51                   | push                ecx
            //   b9????????           |                     
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   7504                 | jne                 6
            //   33c0                 | xor                 eax, eax
            //   eb30                 | jmp                 0x32

        $sequence_7 = { c68565ffffff82 c68566ffffffc2 c68567ffffff82 c68568ffffff07 c68569ffffffdc c6856affffff18 }
            // n = 6, score = 100
            //   c68565ffffff82       | mov                 byte ptr [ebp - 0x9b], 0x82
            //   c68566ffffffc2       | mov                 byte ptr [ebp - 0x9a], 0xc2
            //   c68567ffffff82       | mov                 byte ptr [ebp - 0x99], 0x82
            //   c68568ffffff07       | mov                 byte ptr [ebp - 0x98], 7
            //   c68569ffffffdc       | mov                 byte ptr [ebp - 0x97], 0xdc
            //   c6856affffff18       | mov                 byte ptr [ebp - 0x96], 0x18

        $sequence_8 = { 8b85acf9ffff 50 ff15???????? c785a8f9fffffcffffff 6a00 8d8da4f9ffff 51 }
            // n = 7, score = 100
            //   8b85acf9ffff         | mov                 eax, dword ptr [ebp - 0x654]
            //   50                   | push                eax
            //   ff15????????         |                     
            //   c785a8f9fffffcffffff     | mov    dword ptr [ebp - 0x658], 0xfffffffc
            //   6a00                 | push                0
            //   8d8da4f9ffff         | lea                 ecx, [ebp - 0x65c]
            //   51                   | push                ecx

        $sequence_9 = { 8b8550fbffff 83b85c03000000 7414 8b8d50fbffff 8b915c030000 899550fbffff ebdd }
            // n = 7, score = 100
            //   8b8550fbffff         | mov                 eax, dword ptr [ebp - 0x4b0]
            //   83b85c03000000       | cmp                 dword ptr [eax + 0x35c], 0
            //   7414                 | je                  0x16
            //   8b8d50fbffff         | mov                 ecx, dword ptr [ebp - 0x4b0]
            //   8b915c030000         | mov                 edx, dword ptr [ecx + 0x35c]
            //   899550fbffff         | mov                 dword ptr [ebp - 0x4b0], edx
            //   ebdd                 | jmp                 0xffffffdf

    condition:
        7 of them and filesize < 360448
}
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