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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 16:12

General

  • Target

    0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe

  • Size

    419KB

  • MD5

    0237c09c63e83c1ce3f4b7b334d3ec01

  • SHA1

    1bd55c234e5604f11bb47b4acefe94bb648c2583

  • SHA256

    69a95cb3678349d3da03a48f499f58045ae50065fefa607f8c743b24f3fac284

  • SHA512

    9ca1a0c9e775d6897ad75864d3cd60d48aeaceeb51f7e20d8a032a88b9327d6e56353942f0282ef1bf83e392d08da2714a4a650906872116beb56216f656bf41

  • SSDEEP

    12288:I2Pn6uN/0ZBA9NoJ4ss7Ohl6+M/KG4hdjxv1NPlgdrFrHRPOV86gPOyl1F:RPPNszARBIs+1vpb2d5xT6yl1F

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\WINDOWS\resender.exe
      "C:\WINDOWS\resender.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\resender.exe

    Filesize

    210KB

    MD5

    761c2ac828d38bbbf24ed341a11b59f0

    SHA1

    ce5f747345444c140309731e97572175aaec3afa

    SHA256

    c95f241c0f096cb548c20befca44a3e92d2e7e347af02466cac3f6344252e846

    SHA512

    07fbcfc13c4d60a47c9e3fd2c35da39132b1075bc56d9f43fb3b105a1b7114d363c17e12175bd5c6caf7c8501c9e7c412c4138363a715a7781b17551f55c83b8

  • memory/3504-11-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3504-13-0x0000000000C20000-0x0000000000C21000-memory.dmp

    Filesize

    4KB

  • memory/3504-16-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3504-17-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3504-18-0x0000000000C20000-0x0000000000C21000-memory.dmp

    Filesize

    4KB

  • memory/3504-19-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3504-20-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3504-21-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3932-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/3932-15-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB