Resubmissions

13-10-2024 20:00

241013-yrfemazeqm 10

08-10-2024 01:41

241008-b4e83awgqa 10

22-08-2024 23:22

240822-3czl6svhqr 10

Analysis

  • max time kernel
    95s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 20:00

General

  • Target

    b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe

  • Size

    888KB

  • MD5

    b977a9f58910d5b0c1eb2501089b3d84

  • SHA1

    1bc0e60b3397560414c1f0dbbe9b716b83b1685d

  • SHA256

    619ae9f6605a4c01851999c358172385764b50bb32abbe80f2d3ed341807c137

  • SHA512

    f22033bc480c5bc5b52986b91b66fbf2443dfec1b2399a2b7e1f097991dfbffec07e52c8e7f4bb998c8cda34526b96f300387db36cea2eecfb33f9c832e6e1cf

  • SSDEEP

    24576:Uww2Y8ILo2jFk4Y+7801MqdGT6GTL8nLneWVE58QbgK0PWtt2:Uw9UI+A0uV6GTyLnetgK3tt

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 3 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).

  • 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 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\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YrDIJR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E51.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:396
    • C:\Users\Admin\AppData\Local\Temp\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b977a9f58910d5b0c1eb2501089b3d84_JaffaCakes118.exe"
      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:1644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8E51.tmp

    Filesize

    1KB

    MD5

    8a2d171a8c020137d3542e437a675810

    SHA1

    566d111bcf0f51aeec6355de85cf8bc3b5cdbca2

    SHA256

    94dd4fea1e58db8fd17a289a6a7ee19c1c5eb612a43d39912fcf92e33f456e47

    SHA512

    16dab6c399d35e4bf2a15fe1e7c4ef54115e2d8749ccb53397ca3e7d184711d39460ccfa869656f8a19cb7bfb582be439615f5cf7c4aaf96827d72563d713e95

  • memory/828-7-0x0000000005A00000-0x0000000005A56000-memory.dmp

    Filesize

    344KB

  • memory/828-8-0x0000000005A70000-0x0000000005A88000-memory.dmp

    Filesize

    96KB

  • memory/828-13-0x0000000006790000-0x000000000682C000-memory.dmp

    Filesize

    624KB

  • memory/828-4-0x0000000005870000-0x0000000005902000-memory.dmp

    Filesize

    584KB

  • memory/828-5-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/828-6-0x00000000057E0000-0x00000000057EA000-memory.dmp

    Filesize

    40KB

  • memory/828-0-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/828-24-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/828-9-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/828-10-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/828-11-0x00000000066D0000-0x000000000678C000-memory.dmp

    Filesize

    752KB

  • memory/828-12-0x0000000006480000-0x0000000006486000-memory.dmp

    Filesize

    24KB

  • memory/828-3-0x0000000005D80000-0x0000000006324000-memory.dmp

    Filesize

    5.6MB

  • memory/828-2-0x0000000005730000-0x00000000057CC000-memory.dmp

    Filesize

    624KB

  • memory/828-1-0x0000000000C90000-0x0000000000D74000-memory.dmp

    Filesize

    912KB

  • memory/1644-43-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-23-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-22-0x0000000005970000-0x00000000059B4000-memory.dmp

    Filesize

    272KB

  • memory/1644-25-0x0000000005A20000-0x0000000005A86000-memory.dmp

    Filesize

    408KB

  • memory/1644-20-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-26-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-19-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1644-28-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-30-0x00000000083F0000-0x0000000008440000-memory.dmp

    Filesize

    320KB

  • memory/1644-31-0x0000000007500000-0x0000000007514000-memory.dmp

    Filesize

    80KB

  • memory/1644-39-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/1644-27-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB