Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 07:29

General

  • Target

    b260e86e981f82edde6d7677c9a0bc53_JaffaCakes118.exe

  • Size

    672KB

  • MD5

    b260e86e981f82edde6d7677c9a0bc53

  • SHA1

    e7dfbb61312e3035c8bf9605b8d0216a13a45f10

  • SHA256

    143be0a978733c4e1f40d9d21da589d9752ff96573ca35d6748a8d7c7abec9fb

  • SHA512

    011a31c08c546093a0e3112e63924ae4c31a6a4680dc3272a5485f69197ec97a075170381499fd43e0681d94435b94cc6d46d4f299c3db8670450a2d95d03dee

  • SSDEEP

    6144:AOaY7WeQ+3HwOExxB3+AkmZlIKl1U7ZoQQ8SF9xwcRcSVztoOZA+YbtEdqzM9fqr:bIoGPl3XQ1SFeSVztokAEt9fhM

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Looks up external IP address via web service 3 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).

  • Program crash 1 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b260e86e981f82edde6d7677c9a0bc53_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b260e86e981f82edde6d7677c9a0bc53_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JxtYKAUH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4976
    • C:\Users\Admin\AppData\Local\Temp\b260e86e981f82edde6d7677c9a0bc53_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b260e86e981f82edde6d7677c9a0bc53_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 1812
        3⤵
        • Program crash
        PID:4940
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3232 -ip 3232
    1⤵
      PID:1420

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b260e86e981f82edde6d7677c9a0bc53_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3212-4-0x0000000005A90000-0x0000000005AA0000-memory.dmp

      Filesize

      64KB

    • memory/3212-7-0x0000000005A10000-0x0000000005A22000-memory.dmp

      Filesize

      72KB

    • memory/3212-3-0x0000000005860000-0x00000000058F2000-memory.dmp

      Filesize

      584KB

    • memory/3212-0-0x0000000000F10000-0x0000000000FBE000-memory.dmp

      Filesize

      696KB

    • memory/3212-9-0x0000000005A90000-0x0000000005AA0000-memory.dmp

      Filesize

      64KB

    • memory/3212-6-0x0000000005B40000-0x0000000005BDC000-memory.dmp

      Filesize

      624KB

    • memory/3212-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

      Filesize

      5.6MB

    • memory/3212-8-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/3212-5-0x0000000005820000-0x000000000582A000-memory.dmp

      Filesize

      40KB

    • memory/3212-10-0x0000000007300000-0x000000000734A000-memory.dmp

      Filesize

      296KB

    • memory/3212-20-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/3212-1-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/3232-19-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/3232-16-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3232-21-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

      Filesize

      64KB

    • memory/3232-22-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB