Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 06:22

General

  • Target

    822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892.exe

  • Size

    618KB

  • MD5

    43523528dffe8705862304986c04665d

  • SHA1

    d94e95afbbd1ae578ceff278ade301ebd7dfbdf6

  • SHA256

    822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892

  • SHA512

    b6ad05059763d326c4e0e799ff1324ac141c1a5f4e443b2ca07de643dc80daec5860cb40f1c400b3e9ada6bd319aebc805b4dbda1924aad31b0014e2440e79d8

  • SSDEEP

    12288:Wa27wCe1S4QKMVkdg0uUG3DgIdGztFeQDHVxE:p2MCeL7eKG8IdOF/7E

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892.exe
    "C:\Users\Admin\AppData\Local\Temp\822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\Users\Admin\AppData\Local\Temp\822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892.exe
      "C:\Users\Admin\AppData\Local\Temp\822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\822e06191849b35415693155a46edff39c41db14f3dce949120456c1b7b55892.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oswebqsr.vvf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1596-54-0x00000000077A0000-0x00000000077B1000-memory.dmp

    Filesize

    68KB

  • memory/1596-35-0x00000000061D0000-0x00000000061EE000-memory.dmp

    Filesize

    120KB

  • memory/1596-38-0x0000000070570000-0x00000000705BC000-memory.dmp

    Filesize

    304KB

  • memory/1596-55-0x00000000077D0000-0x00000000077DE000-memory.dmp

    Filesize

    56KB

  • memory/1596-16-0x00000000028E0000-0x0000000002916000-memory.dmp

    Filesize

    216KB

  • memory/1596-53-0x0000000007820000-0x00000000078B6000-memory.dmp

    Filesize

    600KB

  • memory/1596-52-0x0000000007610000-0x000000000761A000-memory.dmp

    Filesize

    40KB

  • memory/1596-17-0x00000000053A0000-0x00000000059C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1596-50-0x0000000007BF0000-0x000000000826A000-memory.dmp

    Filesize

    6.5MB

  • memory/1596-49-0x00000000073D0000-0x0000000007473000-memory.dmp

    Filesize

    652KB

  • memory/1596-58-0x00000000078C0000-0x00000000078C8000-memory.dmp

    Filesize

    32KB

  • memory/1596-48-0x0000000006810000-0x000000000682E000-memory.dmp

    Filesize

    120KB

  • memory/1596-56-0x00000000077E0000-0x00000000077F4000-memory.dmp

    Filesize

    80KB

  • memory/1596-57-0x00000000078E0000-0x00000000078FA000-memory.dmp

    Filesize

    104KB

  • memory/1596-51-0x00000000075A0000-0x00000000075BA000-memory.dmp

    Filesize

    104KB

  • memory/1596-19-0x0000000005100000-0x0000000005122000-memory.dmp

    Filesize

    136KB

  • memory/1596-21-0x0000000005290000-0x00000000052F6000-memory.dmp

    Filesize

    408KB

  • memory/1596-20-0x0000000005220000-0x0000000005286000-memory.dmp

    Filesize

    408KB

  • memory/1596-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-61-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-37-0x0000000006790000-0x00000000067C2000-memory.dmp

    Filesize

    200KB

  • memory/1596-33-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-34-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-32-0x0000000005BD0000-0x0000000005F24000-memory.dmp

    Filesize

    3.3MB

  • memory/1596-36-0x0000000006280000-0x00000000062CC000-memory.dmp

    Filesize

    304KB

  • memory/3528-11-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3528-31-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-65-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-14-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-64-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3528-63-0x00000000065F0000-0x00000000067B2000-memory.dmp

    Filesize

    1.8MB

  • memory/3528-62-0x00000000063D0000-0x0000000006420000-memory.dmp

    Filesize

    320KB

  • memory/3872-6-0x00000000058A0000-0x00000000058BE000-memory.dmp

    Filesize

    120KB

  • memory/3872-7-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/3872-8-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3872-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

    Filesize

    40KB

  • memory/3872-4-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3872-3-0x0000000005420000-0x00000000054B2000-memory.dmp

    Filesize

    584KB

  • memory/3872-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

    Filesize

    5.6MB

  • memory/3872-1-0x00000000009C0000-0x0000000000A60000-memory.dmp

    Filesize

    640KB

  • memory/3872-9-0x0000000004E60000-0x0000000004EC8000-memory.dmp

    Filesize

    416KB

  • memory/3872-10-0x000000000D7C0000-0x000000000D85C000-memory.dmp

    Filesize

    624KB

  • memory/3872-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/3872-15-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB