Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 11:32

General

  • Target

    2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe

  • Size

    71KB

  • MD5

    5cc35f43952082ee1ba69f43df780768

  • SHA1

    fa6b3e264bada2a2a43257d6618282358e8b59a8

  • SHA256

    2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098

  • SHA512

    91301178d59864d0bffac4ec8352bc127504744c1a7da55ac42cab11e06d362572703ca991e2480fa1348843ea9df68700e2bb30a78c96ff49aaf787298465d3

  • SSDEEP

    1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarawE:yLAYUzmdD0sMQl7d7IuhCae7

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\2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe
    "C:\Users\Admin\AppData\Local\Temp\2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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:2776
    • 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:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    71KB

    MD5

    911c111e10621ed48fd780ece2d2d43f

    SHA1

    21fad20d01c86c9c93dcf96aadd65470177b6a49

    SHA256

    a3378445d2eb63ef3213cf79a227831f711e2f9c87675f003027adff5062b28e

    SHA512

    0189a88ed5465fd5c3cbb1df898319426c868d82c3758a6861cae4f19f05d08e1d16460b73918260db347cbc0be461c01e7a85575f9eadf3c576b48afe599695

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

    Filesize

    512B

    MD5

    1c9b2720af0ca9528b47898d9c7f4799

    SHA1

    80495f16e333f54ecc700252323c2a7cb7d751e1

    SHA256

    d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

    SHA512

    5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

    Filesize

    338B

    MD5

    4e1c25cc44014a62266f9dbf9111cafe

    SHA1

    34981f1ab5d6fc8e6d19bbffb5852a5063440259

    SHA256

    5dbb70dab74e729a75eb059f55efb1b4f24ce66d1a13a8bdfcb9b32d01ccaa77

    SHA512

    a3dd8892d913437bdc611273251a4ddc56e625ac2d6b1e63792965d301fe6a50d338dd417d8338604b047cd0e93e2501efb63c71a22be14c782a01c12a342aa4

  • memory/2688-0-0x0000000000AF0000-0x0000000000B17000-memory.dmp

    Filesize

    156KB

  • memory/2688-9-0x00000000005F0000-0x0000000000617000-memory.dmp

    Filesize

    156KB

  • memory/2688-19-0x0000000000AF0000-0x0000000000B17000-memory.dmp

    Filesize

    156KB

  • memory/2776-16-0x0000000000800000-0x0000000000827000-memory.dmp

    Filesize

    156KB

  • memory/2776-22-0x0000000000800000-0x0000000000827000-memory.dmp

    Filesize

    156KB

  • memory/2776-24-0x0000000000800000-0x0000000000827000-memory.dmp

    Filesize

    156KB

  • memory/2776-31-0x0000000000800000-0x0000000000827000-memory.dmp

    Filesize

    156KB