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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 08:33

General

  • Target

    89b16b7a722de7a95615a9df03018649_JaffaCakes118.exe

  • Size

    784KB

  • MD5

    89b16b7a722de7a95615a9df03018649

  • SHA1

    941f0e49d80e0f3bc7f65847e0ef2aaa866a1e76

  • SHA256

    54df8637cc8c98915d3529d208f8e218caed9b5da58debd63cef0de8bb47bd67

  • SHA512

    ae81db262c700bd12a9c7c6baa0ae3b33f20500f587a092a2999b85aa0569b872671b0c88fcf36441f50dee1e71e5653469f77a89d1aeffeeb12fa099405d3be

  • SSDEEP

    12288:i0va7k4iSaK/lfDqJYe0lahltyPvYARz+mVY/WXxUbxmXj6F+w:zekMxlOJYiO3bkWSbxEA+w

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 7 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • 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 behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89b16b7a722de7a95615a9df03018649_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\89b16b7a722de7a95615a9df03018649_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Local\Temp\89b16b7a722de7a95615a9df03018649_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\89b16b7a722de7a95615a9df03018649_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:1436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\89b16b7a722de7a95615a9df03018649_JaffaCakes118.exe

    Filesize

    784KB

    MD5

    e48ae563ad772042f895b0ee20f896e7

    SHA1

    d5d1a1768ea821fbdba735fb690cb680997ab554

    SHA256

    34160b96fc20c73b35fd0f5c4bb2310d18d824d78a426a657e20e26731c92174

    SHA512

    d6035258f61e971b869faf4d21787a7b39357d7afee3948f33ed085ddfa9de39190d671636b5a8d5cd3e239ce87814abcaf4abd1452355bc132195f216bdbd3c

  • memory/1436-18-0x00000000002A0000-0x0000000000364000-memory.dmp

    Filesize

    784KB

  • memory/1436-17-0x0000000000400000-0x0000000000712000-memory.dmp

    Filesize

    3.1MB

  • memory/1436-19-0x0000000000400000-0x0000000000593000-memory.dmp

    Filesize

    1.6MB

  • memory/1436-24-0x0000000002FD0000-0x0000000003163000-memory.dmp

    Filesize

    1.6MB

  • memory/1436-26-0x0000000000400000-0x0000000000587000-memory.dmp

    Filesize

    1.5MB

  • memory/1436-34-0x00000000005A0000-0x000000000071F000-memory.dmp

    Filesize

    1.5MB

  • memory/1436-35-0x0000000000400000-0x0000000000587000-memory.dmp

    Filesize

    1.5MB

  • memory/1624-1-0x0000000000400000-0x0000000000593000-memory.dmp

    Filesize

    1.6MB

  • memory/1624-8-0x0000000000120000-0x00000000001E4000-memory.dmp

    Filesize

    784KB

  • memory/1624-15-0x0000000003190000-0x00000000034A2000-memory.dmp

    Filesize

    3.1MB

  • memory/1624-14-0x0000000000400000-0x0000000000593000-memory.dmp

    Filesize

    1.6MB

  • memory/1624-0-0x0000000000400000-0x0000000000712000-memory.dmp

    Filesize

    3.1MB