Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2024 03:58

General

  • Target

    778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    778f81ef7b8407bceef623768b15a0f0

  • SHA1

    e3a150a28b6a2425309f5098fccfc90ca31371cf

  • SHA256

    35c589a7a35c6e194c529212e3f314dedbb0df469538e486bc7faf0ce5de7f2b

  • SHA512

    51b2d59239963cd8412cd1d71ede90733deab89e9ef3982ce21ecf7ea7f390445ad3f27accc2b3498e255570f7827bb70258ea0256c7a66ceb8107ea8095e42c

  • SSDEEP

    1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APx:P/5kqCxiXEcO3XfGf2tMUf6odgR5A5

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\778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • 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:3040
    • 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:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    0ecda9ecaa423d5a8481985b7d3d5a77

    SHA1

    ecc237c20c234cf9c0e20b39a39ab27244dc7971

    SHA256

    caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

    SHA512

    82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

    Filesize

    302B

    MD5

    8aaeddd5d910af5dd4613aae82738960

    SHA1

    820fe893db49bbb7876fe7291e6a92748f7107f2

    SHA256

    9756dd96077c614ed29b6f568704950cd6b668f4905906c5fa661bae5e4afeeb

    SHA512

    fbff0bddd3bb711dc62fb9b7ef023b86e4bb2ae34a8d34add89cd92f0bf6691e033a12108efdd7984594a3fed95aa56581428f772461c3ce39eed677de8e6b85

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

    Filesize

    136KB

    MD5

    ecca3fff71e070cf48b7f2b420a550c3

    SHA1

    fb4d91e5f7d4e9f6cb46c5f34b845181d945a88c

    SHA256

    3181e98e584d3e43532e09685b5b66602bce9b04b9a5b55941c62116dabbd8c7

    SHA512

    60961b01066e61d740f72613b911d64c0d8de8fc4685391551a31323f9675f2fd7b69ce5168c61065e909418ebc2295ebf2ad007f6930e19fd143154b604ee01

  • memory/2384-0-0x0000000000BE0000-0x0000000000C07000-memory.dmp

    Filesize

    156KB

  • memory/2384-16-0x00000000009A0000-0x00000000009C7000-memory.dmp

    Filesize

    156KB

  • memory/2384-17-0x0000000000BE0000-0x0000000000C07000-memory.dmp

    Filesize

    156KB

  • memory/3040-18-0x0000000000850000-0x0000000000877000-memory.dmp

    Filesize

    156KB

  • memory/3040-21-0x0000000000850000-0x0000000000877000-memory.dmp

    Filesize

    156KB

  • memory/3040-22-0x0000000000850000-0x0000000000877000-memory.dmp

    Filesize

    156KB