Analysis

  • max time kernel
    93s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/12/2024, 19:27

General

  • Target

    d33ee8e247164cef0492d70ee2502704_JaffaCakes118.exe

  • Size

    199KB

  • MD5

    d33ee8e247164cef0492d70ee2502704

  • SHA1

    502870ad82f5956969fc9a3ad9bb7f444115bc5a

  • SHA256

    4648dc39011103627aed6ed0617161366b4f639495cca96453e3329234cfac51

  • SHA512

    84a46f7ce42c17e9c99cf825b520269b51f55eb887da9401746c85080afd509663f58c089805f1551947f1ac06f2001aa65e4c6ebe4cae07896c14e9f952fec9

  • SSDEEP

    3072:gAwixCZ6Sh77R2Gpf606U8v0e7OIgPDFIbbzhPM67fIhA6:gExhk7rh7NEOIYWlPM6r6f

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\d33ee8e247164cef0492d70ee2502704_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d33ee8e247164cef0492d70ee2502704_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2756
    • 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:2684
    • 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:116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    199KB

    MD5

    325418b8b00ce766f3c06e1ab8d667c6

    SHA1

    12b93eaa715594e0678081a6b773d2060196a6e0

    SHA256

    3d860347ec4abffee4c4aad812a3cb482335cc70a494f61dc3589affef1ec6df

    SHA512

    570bbb4113b0b42f0534e0cf5b160d951866b133055ea440a449563be0da961a21548c08d39b583dbd66f7df78c2ae90fa437c5c074a3745b783035e724955cb

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

    Filesize

    512B

    MD5

    2776cde4761cefd1198f4712989957b1

    SHA1

    c801245a080524e704e8e3da95700e58e9d1ca3c

    SHA256

    69ca5964abf7f1c054541bcc32f2712d3fa51342913affed5023825e3dca521f

    SHA512

    bdc242f5c69d10cbfa903bbf20448a9e93213ee303091f1ae9ff8d29c83250168491d9b553841f8ed9b756aef29c499eea3562ff9f94b5619012eb21d5d88c4a

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

    Filesize

    302B

    MD5

    6a88a3ec9b32c1e9b89a0d8d9fa26815

    SHA1

    48fae8644be4a05b4b35193d545f6e89c82fc00c

    SHA256

    a08ae732d6c04b5ab932ad7968bebe4c5a6d03c2b0f8ce8315a0bfe5809f6da7

    SHA512

    7919d42b5e461fb7d130c71f0d12cbb446d4ff71358624e78b6713ddcbf1ac4be9d406afdfc07986c424be19ab7e2d255993261af74aea07b17bf96eec02eb27

  • memory/2684-10-0x0000000000DA0000-0x0000000000DD4000-memory.dmp

    Filesize

    208KB

  • memory/2684-17-0x0000000000DA0000-0x0000000000DD4000-memory.dmp

    Filesize

    208KB

  • memory/2684-18-0x0000000000DA0000-0x0000000000DD4000-memory.dmp

    Filesize

    208KB

  • memory/2756-0-0x0000000000C20000-0x0000000000C54000-memory.dmp

    Filesize

    208KB

  • memory/2756-14-0x0000000000C20000-0x0000000000C54000-memory.dmp

    Filesize

    208KB