Analysis

  • max time kernel
    89s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 22:51

General

  • Target

    f3482ab9b6e8995b293b257daeab8ed9ba166bf50d19138027914aba5793b903.exe

  • Size

    55KB

  • MD5

    5f50787c8bc59414d049988b34a328c6

  • SHA1

    af17cfbd8a4ac2f83a11f66b85b91d8690b536f6

  • SHA256

    f3482ab9b6e8995b293b257daeab8ed9ba166bf50d19138027914aba5793b903

  • SHA512

    2ad0008a7ce4525aac9c30ef37b971dd5620bee4915fd14cfac71375c427d488a6ed054cf1f2c50b190e187316f69c00a734b37029db83a30e819d267e19c8ec

  • SSDEEP

    768:egjKOwfkQsxi4CUWsFZzdXCHuWFpuQlBVQayBAFp1pAK4gpuK1cnPdFmfbpA9ANY:bKOjssTdFMsAX1pA6G0qm1Y8jgFzx

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\f3482ab9b6e8995b293b257daeab8ed9ba166bf50d19138027914aba5793b903.exe
    "C:\Users\Admin\AppData\Local\Temp\f3482ab9b6e8995b293b257daeab8ed9ba166bf50d19138027914aba5793b903.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1956
    • 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:2800
    • 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:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    1e75a7e32613b9d0b73f13b66c2c2f58

    SHA1

    035e2d6ab4ac34190f0e684681098188409e978c

    SHA256

    9f8aa6da5d4cd4a6f17fc229bb965d1f2525d6bc7f70ffba6a13c7e3bbd2a1f3

    SHA512

    e8ba9e9796b506655b9432ed7036383a3eab746a948a18df6e9598e59e6830a834e30bad7455bc22d4ae19a63f051d2aaa57b435594e881130559aac385bd8cf

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

    Filesize

    338B

    MD5

    cdcf8e55d6bf9b4b7e7348fe68a8b1c2

    SHA1

    25f7646210c7657dfd0c3900a90a0847c66a6c18

    SHA256

    16d4b6958985e455abb0747cb443c7311c4346c21aac5a5ddfe5292c765bbfe8

    SHA512

    fd362fc8dd3ce685ffb5620df1672a11c1780709373a06707555988b12241fcde895c6342233668177eca85f6092d1f522a5718306673e7938321840aaeb7e2e

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

    Filesize

    56KB

    MD5

    8793c6483eb1c588c188df096d029741

    SHA1

    f3def264b1dae641d1eb2f2dcad51943c064eeb9

    SHA256

    703ce9fe9eeccb80ec752b4cf9376c595cf2a715490358ff39a552e39357da82

    SHA512

    35e87a162a447978c10758615dcdfbe88651abfc2808c82a06cec0390e66cc0893e4fd601a1995c16e82665ac289edde0f5c59ea8d374c6d694e21c9755390bf

  • memory/1956-0-0x0000000000820000-0x0000000000852000-memory.dmp

    Filesize

    200KB

  • memory/1956-8-0x00000000005E0000-0x0000000000612000-memory.dmp

    Filesize

    200KB

  • memory/1956-19-0x0000000000820000-0x0000000000852000-memory.dmp

    Filesize

    200KB

  • memory/2800-10-0x0000000000C00000-0x0000000000C32000-memory.dmp

    Filesize

    200KB

  • memory/2800-22-0x0000000000C00000-0x0000000000C32000-memory.dmp

    Filesize

    200KB

  • memory/2800-24-0x0000000000C00000-0x0000000000C32000-memory.dmp

    Filesize

    200KB

  • memory/2800-31-0x0000000000C00000-0x0000000000C32000-memory.dmp

    Filesize

    200KB