Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 07:38

General

  • Target

    977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe

  • Size

    904KB

  • MD5

    977f9e0b8f29cfb5e26c703efe5c4122

  • SHA1

    ef7dd92ea915dd0e26887263990ce759e93f7b3f

  • SHA256

    b1d6e5a8a00ec4381ba324de028255abcd56c7b297cb4c1c1e9795d16b954be1

  • SHA512

    3e21b731d1c4d1442c814aaab0767847002663c909baf148b50abb5f3898b15dc8f4b72aa014c58650697a7497e507a6eb49cced2ff3ced4aa1e2147d5845f9f

  • SSDEEP

    12288:+wUHY8EnX2EF2RNMtcMvvv7LCOVbPPmvo8m3vwzhxgzBUDGS2A3opdEHbksca:+CnX2EF9tPvvj+ebPOLzg+iONH4sca

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alandalustobacco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xyz@zxy#869

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alandalustobacco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xyz@zxy#869

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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
  • 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 6 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\977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yjZtcnDvVoxiY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD59.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4892
    • C:\Users\Admin\AppData\Local\Temp\977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\977f9e0b8f29cfb5e26c703efe5c4122_JaffaCakes118.exe.log

    Filesize

    496B

    MD5

    cb76b18ebed3a9f05a14aed43d35fba6

    SHA1

    836a4b4e351846fca08b84149cb734cb59b8c0d6

    SHA256

    8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

    SHA512

    7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

  • C:\Users\Admin\AppData\Local\Temp\tmpD59.tmp

    Filesize

    1KB

    MD5

    f984cf8e5b27f1b273e177840b4bf724

    SHA1

    6adc7cac1962d12329e2d1f40cf514c782609a65

    SHA256

    d92d99e77d790225577065a27f7ae29232c375a1bed8100fdad3f5da3b420efd

    SHA512

    176d083ca29622515f01cb28bd6ae675e51b671088184678066f5c55d95d4c7328fc88758699099fad9b2b0a3387d5307f55a37e04a5755a436faa636cd3d1e6

  • memory/2568-12-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-8-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2568-13-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-14-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-15-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-16-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-17-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4508-3-0x00000000749B2000-0x00000000749B3000-memory.dmp

    Filesize

    4KB

  • memory/4508-4-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4508-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4508-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4508-11-0x00000000749B0000-0x0000000074F61000-memory.dmp

    Filesize

    5.7MB

  • memory/4508-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

    Filesize

    4KB