Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 13:58

General

  • Target

    8aa1f12ac0783427961326b079ff02e2_JaffaCakes118.exe

  • Size

    39KB

  • MD5

    8aa1f12ac0783427961326b079ff02e2

  • SHA1

    cc07ae1767bb4416801c4f3b5da6783acf35e770

  • SHA256

    afd3d0d41f271c02768a1951125ffc3c20697b37d8f51df68ffb6ec1150b2a18

  • SHA512

    8d22292273a87829a48bad851f7b74e815047a373209c38edb5a4d35a1c8739ebd49228d9772a1da3557268fbbf9ce3e0b8b9d2f5d1b1dbba187d4b6294c68a1

  • SSDEEP

    768:+BEnc0StNpzCCRQs1WmRg8sWTsHixM+/b5GlZxW94w5:kEnc0StTCUV1WmRgvT+/b5oYT

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 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 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\8aa1f12ac0783427961326b079ff02e2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8aa1f12ac0783427961326b079ff02e2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\delself.bat

    Filesize

    230B

    MD5

    ac3dc0e5bed78a6aadfce91f4fdc3d78

    SHA1

    219c89480315ea4d9b4ac865071ea58e7a2f02a2

    SHA256

    ee56bb6ebf18e9e349a653bdef5e394822f08637e0dc483a2cac49b070f1e3e2

    SHA512

    55f1ad6a93a32548d1ffed95a2bf2fee9e04e6467ec785870597a87ca5625176acdfea81fe268afd0093c1d76c55a3cdec37aad67a186b2864eef2b7401311cc

  • memory/968-0-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/968-1-0x0000000000406000-0x0000000000407000-memory.dmp

    Filesize

    4KB

  • memory/968-2-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/968-5-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/968-10-0x0000000000406000-0x0000000000407000-memory.dmp

    Filesize

    4KB