Analysis

  • max time kernel
    185s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2023, 14:35

General

  • Target

    DMStioshPWWQJWm.exe

  • Size

    690KB

  • MD5

    0ace70c2bc94f4ca950dcb66753293fe

  • SHA1

    a0a04a509017336fe23b2506c31dbfcb2b5a86d4

  • SHA256

    25c432720e7e86454a3156b83a485e94fcea7ae77f791a0c0d5810e5ab72ebea

  • SHA512

    389f24f241ee4f285157a34dedcc6a40862c391d087b85f244f781e4eb4b7461eccf407011829eee7ee20c2c99d4eb3d663b09a06756de4424d419ca61af0d80

  • SSDEEP

    12288:wDGPjDjEBh9nvTmzGTU3YB73NnYdaZKj4J7ueCDIDpRqSh96J/yyM+:wS/Gh9vTmGA3YB79YdI04BuJDIDp4W65

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6273702310:AAGUtuDoY11m3LCVw0RgYYXqZb-1CRvB5Ok/sendMessage?chat_id=6143595836

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DMStioshPWWQJWm.exe
    "C:\Users\Admin\AppData\Local\Temp\DMStioshPWWQJWm.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4332
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FpJYwUSmRiD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2268
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FpJYwUSmRiD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93A0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3100
    • C:\Users\Admin\AppData\Local\Temp\DMStioshPWWQJWm.exe
      "C:\Users\Admin\AppData\Local\Temp\DMStioshPWWQJWm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4488

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DMStioshPWWQJWm.exe.log

          Filesize

          1KB

          MD5

          33d62ef2c354f839a8b2b987e6ee41e7

          SHA1

          d76f64ac411a61f3f232f7f9f7b179bd34042226

          SHA256

          f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

          SHA512

          d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ofyue2e.wls.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp93A0.tmp

          Filesize

          1KB

          MD5

          b170e6a16565faea07ff111b66d925fe

          SHA1

          c5a98f40eb69be975a78b8c9d8948a467f8f61a4

          SHA256

          65758e31f1afe3fb0c581c0a067b7de729ed64f025045d52ffab5a584d2f0098

          SHA512

          8ee1137cca814047f1dec4e1ca36b620853565bad10584537f5a1990f1e5dfd129ae7bd10b628f49c78fee4a915e535e91b4a004867687671160da7c78c4eac2

        • memory/2268-179-0x0000000007D80000-0x00000000083FA000-memory.dmp

          Filesize

          6.5MB

        • memory/2268-165-0x0000000006440000-0x000000000645E000-memory.dmp

          Filesize

          120KB

        • memory/2268-186-0x0000000007A60000-0x0000000007A68000-memory.dmp

          Filesize

          32KB

        • memory/2268-185-0x0000000007A80000-0x0000000007A9A000-memory.dmp

          Filesize

          104KB

        • memory/2268-144-0x0000000002B10000-0x0000000002B46000-memory.dmp

          Filesize

          216KB

        • memory/2268-184-0x0000000007970000-0x000000000797E000-memory.dmp

          Filesize

          56KB

        • memory/2268-146-0x0000000005150000-0x0000000005160000-memory.dmp

          Filesize

          64KB

        • memory/2268-147-0x0000000005150000-0x0000000005160000-memory.dmp

          Filesize

          64KB

        • memory/2268-183-0x00000000079C0000-0x0000000007A56000-memory.dmp

          Filesize

          600KB

        • memory/2268-182-0x00000000077B0000-0x00000000077BA000-memory.dmp

          Filesize

          40KB

        • memory/2268-151-0x0000000005790000-0x0000000005DB8000-memory.dmp

          Filesize

          6.2MB

        • memory/2268-152-0x0000000005570000-0x0000000005592000-memory.dmp

          Filesize

          136KB

        • memory/2268-153-0x0000000005690000-0x00000000056F6000-memory.dmp

          Filesize

          408KB

        • memory/2268-181-0x000000007F690000-0x000000007F6A0000-memory.dmp

          Filesize

          64KB

        • memory/2268-166-0x0000000005150000-0x0000000005160000-memory.dmp

          Filesize

          64KB

        • memory/2268-178-0x00000000069F0000-0x0000000006A0E000-memory.dmp

          Filesize

          120KB

        • memory/2268-180-0x0000000007740000-0x000000000775A000-memory.dmp

          Filesize

          104KB

        • memory/2268-159-0x0000000005E30000-0x0000000005E96000-memory.dmp

          Filesize

          408KB

        • memory/2268-167-0x0000000006A10000-0x0000000006A42000-memory.dmp

          Filesize

          200KB

        • memory/2268-168-0x0000000070620000-0x000000007066C000-memory.dmp

          Filesize

          304KB

        • memory/4332-137-0x0000000005660000-0x0000000005670000-memory.dmp

          Filesize

          64KB

        • memory/4332-134-0x0000000005A70000-0x0000000006014000-memory.dmp

          Filesize

          5.6MB

        • memory/4332-136-0x0000000005450000-0x000000000545A000-memory.dmp

          Filesize

          40KB

        • memory/4332-135-0x00000000054C0000-0x0000000005552000-memory.dmp

          Filesize

          584KB

        • memory/4332-133-0x00000000009F0000-0x0000000000AA2000-memory.dmp

          Filesize

          712KB

        • memory/4332-139-0x0000000008440000-0x00000000084DC000-memory.dmp

          Filesize

          624KB

        • memory/4332-138-0x0000000005660000-0x0000000005670000-memory.dmp

          Filesize

          64KB

        • memory/4488-161-0x0000000005440000-0x0000000005450000-memory.dmp

          Filesize

          64KB

        • memory/4488-148-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/4488-189-0x0000000005440000-0x0000000005450000-memory.dmp

          Filesize

          64KB