Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 17:00

General

  • Target

    b9023c34e1e17a8494990b6dc35afb73_JaffaCakes118.exe

  • Size

    913KB

  • MD5

    b9023c34e1e17a8494990b6dc35afb73

  • SHA1

    681708863a6775a9d7fd01b6309491eac0c2a3f0

  • SHA256

    e5c9691f51404bd8f320749285c4bcf595fbed53931af1424551fb5f5b9c594f

  • SHA512

    c19c6f1256b0ce80f920826c99466f45a0dc878d7672cea3a1e148fda826ba949b42980d22d5fdd3f93ce8dc3abf75adb27ebd7e20ca79d812c69819c0d40b6b

  • SSDEEP

    12288:IMfTlrtv2zv1gv7j2YJ3ulWEP32hzrDla1a1v/zumVDqJKStGiKgGFOB8MG/9Gi7:zrk2DjLOmh3xV/LVmrvK7OB8MiGWic

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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 42 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9023c34e1e17a8494990b6dc35afb73_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b9023c34e1e17a8494990b6dc35afb73_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QRJSwazYOrar" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BC0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4884
    • C:\Users\Admin\AppData\Local\Temp\b9023c34e1e17a8494990b6dc35afb73_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b9023c34e1e17a8494990b6dc35afb73_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3700

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1BC0.tmp
    Filesize

    1KB

    MD5

    a173a1f1f97e4bff40a1175b8f4ce761

    SHA1

    6b03c9d46d9267f1cc4a3b7a7c3fd7a2d508b87d

    SHA256

    9f5f68b85c19c18ea4e161edcf1baa48a80ceb3f6e6445a30b973f5592126b68

    SHA512

    c2b3f8780ff6d57871dfef33e54037446a94e3a955c931c8dfb9e146149a8bfc5cca71e3e5018f6ef50f2e822ad6c41cee50ad8670fde7094e4c5f565536fdea

  • memory/3588-12-0x00000000062F0000-0x000000000638C000-memory.dmp
    Filesize

    624KB

  • memory/3588-8-0x0000000074B4E000-0x0000000074B4F000-memory.dmp
    Filesize

    4KB

  • memory/3588-3-0x0000000005300000-0x0000000005392000-memory.dmp
    Filesize

    584KB

  • memory/3588-4-0x0000000005440000-0x00000000054DC000-memory.dmp
    Filesize

    624KB

  • memory/3588-5-0x00000000053B0000-0x00000000053BA000-memory.dmp
    Filesize

    40KB

  • memory/3588-6-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB

  • memory/3588-7-0x00000000053F0000-0x0000000005408000-memory.dmp
    Filesize

    96KB

  • memory/3588-1-0x00000000009B0000-0x0000000000A9A000-memory.dmp
    Filesize

    936KB

  • memory/3588-9-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB

  • memory/3588-10-0x0000000006230000-0x00000000062E6000-memory.dmp
    Filesize

    728KB

  • memory/3588-11-0x00000000062E0000-0x00000000062E6000-memory.dmp
    Filesize

    24KB

  • memory/3588-2-0x00000000057D0000-0x0000000005D74000-memory.dmp
    Filesize

    5.6MB

  • memory/3588-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp
    Filesize

    4KB

  • memory/3588-24-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB

  • memory/3700-28-0x0000000008320000-0x0000000008370000-memory.dmp
    Filesize

    320KB

  • memory/3700-20-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB

  • memory/3700-22-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB

  • memory/3700-18-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

  • memory/3700-23-0x0000000005970000-0x00000000059D6000-memory.dmp
    Filesize

    408KB

  • memory/3700-25-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB

  • memory/3700-26-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB

  • memory/3700-21-0x0000000005770000-0x00000000057B4000-memory.dmp
    Filesize

    272KB

  • memory/3700-29-0x00000000081B0000-0x00000000081C4000-memory.dmp
    Filesize

    80KB

  • memory/3700-40-0x0000000074B40000-0x00000000752F0000-memory.dmp
    Filesize

    7.7MB