Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-07-2024 11:28

General

  • Target

    43971b982d0d0019c55f59c52254eee0_JaffaCakes118.exe

  • Size

    821KB

  • MD5

    43971b982d0d0019c55f59c52254eee0

  • SHA1

    567a0266c45f2759a7eb95b392a2052ccc00c066

  • SHA256

    49de80d921b1b300f98b33bcd37b92e8b271e2d8dc8e27d6990d66aa21b5fb8d

  • SHA512

    05ee55860bfde7b59d1f22695a12fcd4794dc5053cf76c598b11c20e2c2b9fc1fb1142c70488f94657f02e36ce38c2335274b778f3070eec7d3207448de23d59

  • SSDEEP

    24576:lusRkCMqlJIw2z+yqdIrWO5K9jARfW6cZVvJs2:lusR3MrpDrhg9jAw6cZRe2

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Checks computer location settings 2 TTPs 1 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 15 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.

  • Scheduled Task/Job: Scheduled Task 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43971b982d0d0019c55f59c52254eee0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\43971b982d0d0019c55f59c52254eee0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oPVKumm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7272.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1928
    • C:\Users\Admin\AppData\Local\Temp\43971b982d0d0019c55f59c52254eee0_JaffaCakes118.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7272.tmp

    Filesize

    1KB

    MD5

    e49ea6af8b588f072a2f8c3637e5a90c

    SHA1

    9c4e5ef585220e67bea17f689416f6fc8b22d994

    SHA256

    f50c30d84a3eda059b8111b73e3d8eccc4477589b050a297452ec396cdd622f2

    SHA512

    38b549990f66b715267b042cf18fae761c8acfde1e6a62fc384664e917175c17129a690324cb62c8752bd949bf14b334f82b293af750bc1aa6ae921cad9c3661

  • memory/2236-0-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

    Filesize

    4KB

  • memory/2236-1-0x00000000009D0000-0x0000000000AA4000-memory.dmp

    Filesize

    848KB

  • memory/2236-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-3-0x0000000000290000-0x0000000000298000-memory.dmp

    Filesize

    32KB

  • memory/2236-4-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

    Filesize

    4KB

  • memory/2236-5-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-6-0x0000000005E20000-0x0000000005ED0000-memory.dmp

    Filesize

    704KB

  • memory/2236-24-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-23-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2272-18-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2272-15-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2272-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2272-20-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2272-14-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2272-12-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2272-25-0x0000000000230000-0x0000000000274000-memory.dmp

    Filesize

    272KB

  • memory/2272-10-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

  • memory/2272-26-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-27-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-48-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB