Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 11:03

General

  • Target

    e6139d1f8ba6b647f00c055782e4a0fd_JaffaCakes118.exe

  • Size

    155KB

  • MD5

    e6139d1f8ba6b647f00c055782e4a0fd

  • SHA1

    4c27e01d940928bf1e841b05e223b88878511604

  • SHA256

    57624c22344a26e6b3c87a5a2fc5ecc381ee8bdb2fa0b1be1541eefc3762bb77

  • SHA512

    4e5c61ec0114967c98cbba1af37384008daf83836f8733546b07fd88def518050867c87e019fa2c84a3feb42aa88200362bf99d4a587127adf3a95b6c59a3f13

  • SSDEEP

    1536:yXZ56F5r5JZJWEtVpFqN9BBKweuVHZJ71/j+suPG0Hc18yPsWjcdWny6k04yW/XM:yp56zRJ83+OJ7NoGvdwWy6k04yW/KT

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Urelas family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6139d1f8ba6b647f00c055782e4a0fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e6139d1f8ba6b647f00c055782e4a0fd_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Users\Admin\AppData\Local\Temp\biudfw.exe
      "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

    Filesize

    512B

    MD5

    ac5e84ed8031d66a9fcd5e472ba8091b

    SHA1

    06303add604104d6abbb69458f89773c066b470c

    SHA256

    3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5

    SHA512

    7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152

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

    Filesize

    302B

    MD5

    22b2d008c725bcb5f2fac994244d2ef1

    SHA1

    f88e0a49e1ef9da12ac63fdc219bfcf1dcc1af66

    SHA256

    65e166d166f8694ecd7ae9098957a60bc118d8ea5f41010857dcf6e70260bd23

    SHA512

    80b14ded029ff590ba480599d5d760c8f38dd1552bec41edd07fce65ecaa3c685e4d3af908fd26f87fde93183925b98436e02399a617dcce202295e54c22188f

  • \Users\Admin\AppData\Local\Temp\biudfw.exe

    Filesize

    155KB

    MD5

    fccd26dd894a7e7caf0b018b349d8249

    SHA1

    6e22e5690c1239b45bc95ec2613ccbb38dfbfa14

    SHA256

    cf6b9f86a204b8bdd32a65f50e1a118b5ad4a8be772dac31092c8fbfea32c1df

    SHA512

    42c99bebd5f6a6ace1d07aefdafc7bfc3dd68f5875247773275fb3c7620a72628ca8f0b0265a1960b01a397fa85c2b08c6ac7c5acd7dd3e430b1c55ad282494b

  • memory/944-0-0x0000000001310000-0x000000000133B000-memory.dmp

    Filesize

    172KB

  • memory/944-5-0x0000000000A90000-0x0000000000ABB000-memory.dmp

    Filesize

    172KB

  • memory/944-18-0x0000000001310000-0x000000000133B000-memory.dmp

    Filesize

    172KB

  • memory/2340-10-0x0000000000FC0000-0x0000000000FEB000-memory.dmp

    Filesize

    172KB

  • memory/2340-21-0x0000000000FC0000-0x0000000000FEB000-memory.dmp

    Filesize

    172KB

  • memory/2340-22-0x0000000000FC0000-0x0000000000FEB000-memory.dmp

    Filesize

    172KB