Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 04:59

General

  • Target

    6d67841f172d8de051796807bf2e6033_JaffaCakes118.exe

  • Size

    935KB

  • MD5

    6d67841f172d8de051796807bf2e6033

  • SHA1

    7589396ddab49161d519fdbc018e0d333a5cb8aa

  • SHA256

    f9e01c12da5e8c667b0059cf68860cb8c2de48a327eab5ed7665fdc005c09084

  • SHA512

    2d0f05c3ba5f34f3dcaf3dba17c0371bebffc8f0b7edc2adf99c4c3b482ca22ab3fe80a884afad5c861c7074d0ac6895171e6884637f923eaefbd721e5f766e1

  • SSDEEP

    24576:OQ42JhAN8yFjYN4MRrMrExEAPQP8suSpa:lJcE4MR+ExEfXG

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\6d67841f172d8de051796807bf2e6033_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6d67841f172d8de051796807bf2e6033_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dVdAYnGS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2253.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5064
    • C:\Users\Admin\AppData\Local\Temp\6d67841f172d8de051796807bf2e6033_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6d67841f172d8de051796807bf2e6033_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:932
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4796 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4752

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6d67841f172d8de051796807bf2e6033_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

    • C:\Users\Admin\AppData\Local\Temp\tmp2253.tmp

      Filesize

      1KB

      MD5

      b409e7b2d18b7581e849246e7387a721

      SHA1

      8bf6623a39850062b5546b23a817e1d12284c240

      SHA256

      30ceadc2d31bf586e9d259625e82795b99ee733cf4b01d95d71ca861b17d1906

      SHA512

      6e59259e5d4855929bae63c63540e730e520942819286aae308353902aaf269fadf397a74479af6a92dbbd73eae8b45d4defb60f9c3f0d5765c11fe0075e40f4

    • memory/932-26-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/932-44-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/932-18-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB

    • memory/932-43-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/932-39-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/932-31-0x00000000085C0000-0x00000000085D4000-memory.dmp

      Filesize

      80KB

    • memory/932-30-0x0000000008600000-0x0000000008650000-memory.dmp

      Filesize

      320KB

    • memory/932-21-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/932-27-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/932-24-0x0000000005A80000-0x0000000005AE6000-memory.dmp

      Filesize

      408KB

    • memory/932-23-0x00000000058F0000-0x0000000005934000-memory.dmp

      Filesize

      272KB

    • memory/932-22-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/932-28-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/5112-9-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/5112-10-0x0000000006540000-0x00000000065FC000-memory.dmp

      Filesize

      752KB

    • memory/5112-2-0x0000000005D90000-0x0000000006334000-memory.dmp

      Filesize

      5.6MB

    • memory/5112-12-0x0000000006800000-0x000000000689C000-memory.dmp

      Filesize

      624KB

    • memory/5112-11-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

      Filesize

      24KB

    • memory/5112-25-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/5112-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

      Filesize

      4KB

    • memory/5112-4-0x0000000005960000-0x00000000059FC000-memory.dmp

      Filesize

      624KB

    • memory/5112-3-0x00000000058C0000-0x0000000005952000-memory.dmp

      Filesize

      584KB

    • memory/5112-8-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

      Filesize

      4KB

    • memory/5112-7-0x0000000005890000-0x00000000058A8000-memory.dmp

      Filesize

      96KB

    • memory/5112-6-0x0000000005850000-0x000000000585A000-memory.dmp

      Filesize

      40KB

    • memory/5112-5-0x0000000074CB0000-0x0000000075460000-memory.dmp

      Filesize

      7.7MB

    • memory/5112-1-0x0000000000DB0000-0x0000000000EA0000-memory.dmp

      Filesize

      960KB