Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2023 17:55

General

  • Target

    5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240_JC.exe

  • Size

    548KB

  • MD5

    fe87c4e3c089316d0222db4965fde5dd

  • SHA1

    0a66f5477620ecef41dd14322359a468c7ceba3c

  • SHA256

    5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240

  • SHA512

    f0822c3781d8e3a1e1e02ca3e204f92016c883d2d327ff782e6a0ad3e8b654b0b3d247a8285cab520702fbd5c7c36e15288f518f9d2269f9eeb2fd7f01f4d8c6

  • SSDEEP

    12288:4nexQNumB0ldv1XWG/dm5EniOqJt7MAhx7NpckoiOLIZ7c:Vfykdv1XRF9nSM+jCU1c

Malware Config

Extracted

Family

snakekeylogger

Credentials

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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3988
    • 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\5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1756
    • C:\Users\Admin\AppData\Local\Temp\5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5e437cb4a253b31df25cd406127f1d6be2e1e6eadbe1bc90a8438c674d6c3240_JC.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_npp5tzjz.tp5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1756-54-0x0000000007690000-0x0000000007D0A000-memory.dmp

    Filesize

    6.5MB

  • memory/1756-36-0x00000000057F0000-0x0000000005B44000-memory.dmp

    Filesize

    3.3MB

  • memory/1756-53-0x0000000006F30000-0x0000000006FD3000-memory.dmp

    Filesize

    652KB

  • memory/1756-26-0x0000000005640000-0x00000000056A6000-memory.dmp

    Filesize

    408KB

  • memory/1756-66-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-64-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-63-0x0000000007380000-0x0000000007388000-memory.dmp

    Filesize

    32KB

  • memory/1756-61-0x00000000072A0000-0x00000000072B4000-memory.dmp

    Filesize

    80KB

  • memory/1756-60-0x0000000007290000-0x000000000729E000-memory.dmp

    Filesize

    56KB

  • memory/1756-42-0x000000006FE80000-0x000000006FECC000-memory.dmp

    Filesize

    304KB

  • memory/1756-58-0x0000000007240000-0x0000000007251000-memory.dmp

    Filesize

    68KB

  • memory/1756-41-0x0000000006EF0000-0x0000000006F22000-memory.dmp

    Filesize

    200KB

  • memory/1756-57-0x00000000072C0000-0x0000000007356000-memory.dmp

    Filesize

    600KB

  • memory/1756-56-0x00000000070B0000-0x00000000070BA000-memory.dmp

    Filesize

    40KB

  • memory/1756-25-0x0000000004DB0000-0x0000000004E16000-memory.dmp

    Filesize

    408KB

  • memory/1756-18-0x0000000002360000-0x0000000002396000-memory.dmp

    Filesize

    216KB

  • memory/1756-20-0x0000000004F10000-0x0000000005538000-memory.dmp

    Filesize

    6.2MB

  • memory/1756-21-0x00000000048D0000-0x00000000048E0000-memory.dmp

    Filesize

    64KB

  • memory/1756-19-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-40-0x000000007F0F0000-0x000000007F100000-memory.dmp

    Filesize

    64KB

  • memory/1756-23-0x00000000048D0000-0x00000000048E0000-memory.dmp

    Filesize

    64KB

  • memory/1756-24-0x0000000004C90000-0x0000000004CB2000-memory.dmp

    Filesize

    136KB

  • memory/1756-39-0x00000000048D0000-0x00000000048E0000-memory.dmp

    Filesize

    64KB

  • memory/1756-62-0x00000000073A0000-0x00000000073BA000-memory.dmp

    Filesize

    104KB

  • memory/1756-52-0x00000000062F0000-0x000000000630E000-memory.dmp

    Filesize

    120KB

  • memory/1756-55-0x0000000007040000-0x000000000705A000-memory.dmp

    Filesize

    104KB

  • memory/1756-37-0x0000000005D30000-0x0000000005D4E000-memory.dmp

    Filesize

    120KB

  • memory/1756-38-0x0000000005D70000-0x0000000005DBC000-memory.dmp

    Filesize

    304KB

  • memory/2364-16-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/2364-22-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/2364-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2364-59-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/2364-67-0x0000000006190000-0x00000000061E0000-memory.dmp

    Filesize

    320KB

  • memory/2364-68-0x00000000063B0000-0x0000000006572000-memory.dmp

    Filesize

    1.8MB

  • memory/3988-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

    Filesize

    5.6MB

  • memory/3988-0-0x00000000003D0000-0x0000000000460000-memory.dmp

    Filesize

    576KB

  • memory/3988-17-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3988-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp

    Filesize

    584KB

  • memory/3988-12-0x0000000006A80000-0x0000000006AE0000-memory.dmp

    Filesize

    384KB

  • memory/3988-11-0x00000000054E0000-0x00000000054EC000-memory.dmp

    Filesize

    48KB

  • memory/3988-10-0x00000000053C0000-0x00000000053CA000-memory.dmp

    Filesize

    40KB

  • memory/3988-9-0x0000000005040000-0x0000000005050000-memory.dmp

    Filesize

    64KB

  • memory/3988-1-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3988-8-0x0000000074450000-0x0000000074C00000-memory.dmp

    Filesize

    7.7MB

  • memory/3988-7-0x0000000005200000-0x0000000005218000-memory.dmp

    Filesize

    96KB

  • memory/3988-6-0x00000000050F0000-0x000000000518C000-memory.dmp

    Filesize

    624KB

  • memory/3988-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp

    Filesize

    40KB

  • memory/3988-4-0x0000000005040000-0x0000000005050000-memory.dmp

    Filesize

    64KB