Analysis

  • max time kernel
    90s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 13:59

General

  • Target

    5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe

  • Size

    57KB

  • MD5

    93168f2d91504f9a637add80fbdfca20

  • SHA1

    517a9ad20e16525fc51597787058ad7f585b5954

  • SHA256

    5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000

  • SHA512

    b79279717bb4085ed1fcd6b382521db662c982271ae8996983a692eefec93023012ee52e9ecfb623ad7274b7008983e80263246442792d87dedbc6a478fa8b48

  • SSDEEP

    1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1ls:amZ+luXwy2f9LDhDls

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\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe
    "C:\Users\Admin\AppData\Local\Temp\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1968
    • 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:1640
    • 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:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    26625b4ca7658f7ba4dc7d982782323c

    SHA1

    574aa314998c39e683675ccf457b0305341a4aaf

    SHA256

    c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

    SHA512

    5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

    Filesize

    340B

    MD5

    8baef0e70ac285fca0bffd1d8168fd41

    SHA1

    c2c71ef760a595d187afa95d53ecff70339b51c5

    SHA256

    c8f286d3a7aef2594f3e759ce02704aa08c1f55a01429758bbac8f1c8896f56e

    SHA512

    eeedd33e882b306d6f5cd434901dd6f137df9567c43a922562d5d1306ba8720986fc343f67487a7b0c563147dc6cdfa106989018a5705080f01edd5d808dac78

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

    Filesize

    57KB

    MD5

    31ad7788f5d5996cab99b91b9c8318ce

    SHA1

    28c0d1ade2b25ad913907288c315d5461f643477

    SHA256

    1a6a3473b6700c604af5bb1952fbd929ad3c7baa1bbbc12a0f1b7559aafb3948

    SHA512

    05bcde1f0777d41b5834e65a6dac7efbfdce697f5925bd94e20abc0616d7391cfd768914e3f26847e09c23efef165534e1a3e53228c9a600947d6ff02347d49b

  • memory/1640-16-0x0000000001000000-0x0000000001032000-memory.dmp

    Filesize

    200KB

  • memory/1640-21-0x0000000001000000-0x0000000001032000-memory.dmp

    Filesize

    200KB

  • memory/1640-23-0x0000000001000000-0x0000000001032000-memory.dmp

    Filesize

    200KB

  • memory/1640-29-0x0000000001000000-0x0000000001032000-memory.dmp

    Filesize

    200KB

  • memory/1968-0-0x0000000000290000-0x00000000002C2000-memory.dmp

    Filesize

    200KB

  • memory/1968-6-0x0000000000490000-0x00000000004C2000-memory.dmp

    Filesize

    200KB

  • memory/1968-18-0x0000000000290000-0x00000000002C2000-memory.dmp

    Filesize

    200KB