Analysis

  • max time kernel
    95s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 01:20

General

  • Target

    20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf.exe

  • Size

    551KB

  • MD5

    86e68a876e55e70275d6759c10de5345

  • SHA1

    0a15cf065fe62814d1c7bdb09508f99699e0b8ec

  • SHA256

    20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf

  • SHA512

    b9632c31b47c489629bbb74e94493aa4c79f76204cdfa569aedbd957e2f11a159b390a700528f7abb1af3578a4d188b4e703162b769328dfd9b2abb11360500d

  • SSDEEP

    12288:Pd+24kzKDSd1JqakAuiJurlPQFfA0xYsPzDtl8wYge:r4kpqaWiJMPQFY0xvPzDf9

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7519296385:AAFFI2mxNdfa3ltOQw6_L0rzJGbiW-4SUz4/sendMessage?chat_id=5116181161

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 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\20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf.exe
    "C:\Users\Admin\AppData\Local\Temp\20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf.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:4112
    • 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\20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3540
    • C:\Users\Admin\AppData\Local\Temp\20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf.exe
      "C:\Users\Admin\AppData\Local\Temp\20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_drhqliyi.ots.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2896-11-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2896-65-0x0000000006920000-0x0000000006AE2000-memory.dmp

    Filesize

    1.8MB

  • memory/2896-64-0x0000000006700000-0x0000000006750000-memory.dmp

    Filesize

    320KB

  • memory/2896-63-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2896-62-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2896-23-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/2896-14-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3540-24-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3540-37-0x0000000006C30000-0x0000000006C62000-memory.dmp

    Filesize

    200KB

  • memory/3540-61-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3540-58-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

    Filesize

    32KB

  • memory/3540-57-0x0000000007CE0000-0x0000000007CFA000-memory.dmp

    Filesize

    104KB

  • memory/3540-56-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

    Filesize

    80KB

  • memory/3540-16-0x0000000002CD0000-0x0000000002D06000-memory.dmp

    Filesize

    216KB

  • memory/3540-18-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3540-19-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3540-17-0x00000000058D0000-0x0000000005EF8000-memory.dmp

    Filesize

    6.2MB

  • memory/3540-20-0x00000000055A0000-0x00000000055C2000-memory.dmp

    Filesize

    136KB

  • memory/3540-55-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

    Filesize

    56KB

  • memory/3540-22-0x0000000006070000-0x00000000060D6000-memory.dmp

    Filesize

    408KB

  • memory/3540-54-0x0000000007BA0000-0x0000000007BB1000-memory.dmp

    Filesize

    68KB

  • memory/3540-21-0x0000000005740000-0x00000000057A6000-memory.dmp

    Filesize

    408KB

  • memory/3540-30-0x00000000060E0000-0x0000000006434000-memory.dmp

    Filesize

    3.3MB

  • memory/3540-53-0x0000000007C20000-0x0000000007CB6000-memory.dmp

    Filesize

    600KB

  • memory/3540-35-0x0000000006660000-0x000000000667E000-memory.dmp

    Filesize

    120KB

  • memory/3540-36-0x00000000066F0000-0x000000000673C000-memory.dmp

    Filesize

    304KB

  • memory/3540-52-0x0000000007A10000-0x0000000007A1A000-memory.dmp

    Filesize

    40KB

  • memory/3540-38-0x0000000070220000-0x000000007026C000-memory.dmp

    Filesize

    304KB

  • memory/3540-48-0x0000000007630000-0x000000000764E000-memory.dmp

    Filesize

    120KB

  • memory/3540-49-0x0000000007690000-0x0000000007733000-memory.dmp

    Filesize

    652KB

  • memory/3540-50-0x0000000007FE0000-0x000000000865A000-memory.dmp

    Filesize

    6.5MB

  • memory/3540-51-0x00000000079A0000-0x00000000079BA000-memory.dmp

    Filesize

    104KB

  • memory/4112-10-0x00000000095C0000-0x000000000965C000-memory.dmp

    Filesize

    624KB

  • memory/4112-5-0x0000000005390000-0x000000000539A000-memory.dmp

    Filesize

    40KB

  • memory/4112-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

    Filesize

    4KB

  • memory/4112-6-0x00000000056C0000-0x00000000056D2000-memory.dmp

    Filesize

    72KB

  • memory/4112-15-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4112-7-0x00000000747FE000-0x00000000747FF000-memory.dmp

    Filesize

    4KB

  • memory/4112-8-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4112-9-0x0000000006EF0000-0x0000000006F58000-memory.dmp

    Filesize

    416KB

  • memory/4112-4-0x00000000747F0000-0x0000000074FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4112-3-0x00000000052D0000-0x0000000005362000-memory.dmp

    Filesize

    584KB

  • memory/4112-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

    Filesize

    5.6MB

  • memory/4112-1-0x00000000009C0000-0x0000000000A50000-memory.dmp

    Filesize

    576KB