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Analysis

  • max time kernel
    92s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2024, 23:26

General

  • Target

    c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe

  • Size

    135KB

  • MD5

    c4d388d5c665a255bfca5e23cfd64c64

  • SHA1

    ecea4051eb5b16bd2c9fd38bf63683b670036050

  • SHA256

    accf7142aadfa962d7d9b6429c187f947d4dfb18b1efce16ffc7bfd3a783243b

  • SHA512

    6bb24aafc815062039d7f4a80b2cd5237f07b511d35cb0bc0e5fcbb2e00233c1936fead32cf879b2a9f57d42795dbfb8d1cfaf9a20a00943af1d26427a9b0372

  • SSDEEP

    1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APW:P/5kqCxiXEcO3XfGf2tMUf6odgR5AO

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2528
    • 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:4384
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    136KB

    MD5

    125d54a2b63df31ab0d212f996492aad

    SHA1

    fd0cdf7bbe523021c42ff002c11e28926c0e58ba

    SHA256

    090b4c6b4f3463f0ef05b8286d182d42842c1337619bf9f655a4a4baa43bff0f

    SHA512

    c3be58cd5fd7648b168c6dd2a6050d79b21564dc091664c2e794c52e99e697cb188214d7f87c94f7a778b84b99c63daa0d622099adc306c0c84e00e19521428b

  • 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

    3ff7297904c42d484f2cb8967ae6e394

    SHA1

    f65da51dc90d6dcfbf371de33d2e776e99a36536

    SHA256

    00fbd9e6d871519842087de759d2a511c8e406cc09759e36339872f764b4cadb

    SHA512

    a1ad7785ad5c305369c61ae5402ddd1520fc826631bfa2e0f08d421d98df373e2f51ab5a320ad2abec75efe67a9f5ce38a91ef394badb513cc02899514db6249

  • memory/2528-0-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

    Filesize

    156KB

  • memory/2528-17-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

    Filesize

    156KB

  • memory/4384-15-0x0000000000490000-0x00000000004B7000-memory.dmp

    Filesize

    156KB

  • memory/4384-20-0x0000000000490000-0x00000000004B7000-memory.dmp

    Filesize

    156KB

  • memory/4384-21-0x0000000000490000-0x00000000004B7000-memory.dmp

    Filesize

    156KB