Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 10:09

General

  • Target

    a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe

  • Size

    228KB

  • MD5

    a9218b0746a14feea414fb4eccbcf6f1

  • SHA1

    8b8982f4bc1837791913a5b8679fce94773f7349

  • SHA256

    24992deb4acf093ebcf42ca0b4a0ce8f9676bb90d94d265b60633380b57e6ecf

  • SHA512

    6110176ef9019498ad4dfa46d77b57e922eefea9c3e070824fed743848962a62ccbc345dac73314e9bab1ab834550f870e410222c84a0a67ff310fa9ab3c7605

  • SSDEEP

    6144:K8nY9LMeiI20f05EkMpewFMeMQLyz7SZZU:5jIZf0CkMlFMhQWz0

Malware Config

Signatures

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a9218b0746a14feea414fb4eccbcf6f1_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2924

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1844-0-0x00000000740E1000-0x00000000740E2000-memory.dmp
    Filesize

    4KB

  • memory/1844-1-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB

  • memory/1844-2-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB

  • memory/1844-20-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB

  • memory/2924-9-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2924-17-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2924-15-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2924-11-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2924-19-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2924-7-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2924-5-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2924-22-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB

  • memory/2924-21-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB

  • memory/2924-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2924-23-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB

  • memory/2924-24-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB

  • memory/2924-25-0x00000000740E0000-0x000000007468B000-memory.dmp
    Filesize

    5.7MB