Analysis

  • max time kernel
    117s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 20:14

General

  • Target

    doc 202309909910101010.exe

  • Size

    497KB

  • MD5

    4b6ba75e0680e1761dabf95c43e777cd

  • SHA1

    ac9a769d7355ea3eab0389deb2e11337cb277d48

  • SHA256

    55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5

  • SHA512

    13e2e7edf9047bf059aed416fbce0ea954f4054b699d48f6fa41bb23482ee344b86499a9db4869b1bbd1aa6f53a1f43d048640e3a7ca812b1abf6c6b0d6cca70

  • SSDEEP

    12288:FE725SZXXjQKQX46Hp+erzNnIyDuiNdYjJAEzq9F/+LQ:BAZN6Hp+erzNnIcKJAv

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gkas.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Gkasteknik@2022

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger 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 local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe
    "C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OYnoIhjaIinqxa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OYnoIhjaIinqxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe
      "C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe"
      2⤵
        PID:4948
      • C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe
        "C:\Users\Admin\AppData\Local\Temp\doc 202309909910101010.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4800

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2qkwanw2.lah.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpE1C0.tmp

      Filesize

      1KB

      MD5

      109eaa9dc9f9f37c3e445c49e94df504

      SHA1

      0bb9a6cf9c0a4e3275c8c71ffb2367ec1a5d106d

      SHA256

      26c519934b99e10030a456e520d39b826b23ca1c624ac0d154b69a2fb17a7308

      SHA512

      b647cf10a833591ad25e1e1a420e6b26dd95842f66893aa44364e62dcdf9982fafa45213553cabeb067a0e6163bd832afc39931c2767919f3b648b10e8f04caa

    • memory/1284-6-0x00000000055A0000-0x00000000055B0000-memory.dmp

      Filesize

      64KB

    • memory/1284-3-0x0000000005010000-0x00000000050A2000-memory.dmp

      Filesize

      584KB

    • memory/1284-4-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/1284-5-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

      Filesize

      40KB

    • memory/1284-2-0x00000000055C0000-0x0000000005B64000-memory.dmp

      Filesize

      5.6MB

    • memory/1284-7-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/1284-8-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/1284-9-0x00000000055B0000-0x00000000055BC000-memory.dmp

      Filesize

      48KB

    • memory/1284-10-0x00000000069A0000-0x00000000069FE000-memory.dmp

      Filesize

      376KB

    • memory/1284-11-0x0000000009000000-0x000000000909C000-memory.dmp

      Filesize

      624KB

    • memory/1284-1-0x00000000005A0000-0x0000000000622000-memory.dmp

      Filesize

      520KB

    • memory/1284-0-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/1284-25-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/4292-28-0x0000000005570000-0x00000000055D6000-memory.dmp

      Filesize

      408KB

    • memory/4292-54-0x0000000006BF0000-0x0000000006C93000-memory.dmp

      Filesize

      652KB

    • memory/4292-69-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/4292-67-0x0000000007160000-0x0000000007168000-memory.dmp

      Filesize

      32KB

    • memory/4292-18-0x00000000022F0000-0x0000000002300000-memory.dmp

      Filesize

      64KB

    • memory/4292-24-0x0000000004C50000-0x0000000004C72000-memory.dmp

      Filesize

      136KB

    • memory/4292-66-0x0000000007170000-0x000000000718A000-memory.dmp

      Filesize

      104KB

    • memory/4292-27-0x0000000005500000-0x0000000005566000-memory.dmp

      Filesize

      408KB

    • memory/4292-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/4292-16-0x0000000002280000-0x00000000022B6000-memory.dmp

      Filesize

      216KB

    • memory/4292-38-0x00000000056E0000-0x0000000005A34000-memory.dmp

      Filesize

      3.3MB

    • memory/4292-39-0x0000000004960000-0x000000000497E000-memory.dmp

      Filesize

      120KB

    • memory/4292-40-0x0000000005C00000-0x0000000005C4C000-memory.dmp

      Filesize

      304KB

    • memory/4292-41-0x00000000022F0000-0x0000000002300000-memory.dmp

      Filesize

      64KB

    • memory/4292-42-0x0000000006160000-0x0000000006192000-memory.dmp

      Filesize

      200KB

    • memory/4292-43-0x0000000070880000-0x00000000708CC000-memory.dmp

      Filesize

      304KB

    • memory/4292-53-0x0000000006140000-0x000000000615E000-memory.dmp

      Filesize

      120KB

    • memory/4292-20-0x0000000004D60000-0x0000000005388000-memory.dmp

      Filesize

      6.2MB

    • memory/4292-55-0x0000000007670000-0x0000000007CEA000-memory.dmp

      Filesize

      6.5MB

    • memory/4292-56-0x0000000006CD0000-0x0000000006CEA000-memory.dmp

      Filesize

      104KB

    • memory/4292-57-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/4292-58-0x0000000006D40000-0x0000000006D4A000-memory.dmp

      Filesize

      40KB

    • memory/4292-59-0x00000000022F0000-0x0000000002300000-memory.dmp

      Filesize

      64KB

    • memory/4292-60-0x00000000071D0000-0x0000000007266000-memory.dmp

      Filesize

      600KB

    • memory/4292-61-0x0000000006D90000-0x0000000006DA1000-memory.dmp

      Filesize

      68KB

    • memory/4292-62-0x00000000022F0000-0x0000000002300000-memory.dmp

      Filesize

      64KB

    • memory/4292-63-0x0000000006DC0000-0x0000000006DCE000-memory.dmp

      Filesize

      56KB

    • memory/4292-64-0x0000000007130000-0x0000000007144000-memory.dmp

      Filesize

      80KB

    • memory/4800-65-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/4800-26-0x0000000004D20000-0x0000000004D30000-memory.dmp

      Filesize

      64KB

    • memory/4800-23-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/4800-21-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/4800-70-0x0000000004D20000-0x0000000004D30000-memory.dmp

      Filesize

      64KB

    • memory/4800-71-0x0000000005EF0000-0x0000000005F40000-memory.dmp

      Filesize

      320KB

    • memory/4800-72-0x0000000006110000-0x00000000062D2000-memory.dmp

      Filesize

      1.8MB