Analysis

  • max time kernel
    90s
  • max time network
    95s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 00:09

General

  • Target

    8e4d91bf0dbee54a2a9f2280f8cbeff946919b6e8b44fc8e5163c3f824cc06bc.exe

  • Size

    64KB

  • MD5

    87eafb7b0a72609e785257925dc1c3ed

  • SHA1

    f95e8cfdf9043b8694bdcfca02284d38aedb0f1f

  • SHA256

    8e4d91bf0dbee54a2a9f2280f8cbeff946919b6e8b44fc8e5163c3f824cc06bc

  • SHA512

    1477387391dcafac0d27825ace964a6d422e51702a33bcaf5868888f1201d83045855f21eb73c7fb49c473779f71eb956dc564a4265ab75faa19976075966131

  • SSDEEP

    1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTm/7:6bQRSHpAvzyf7MzeTY7

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.

  • 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\8e4d91bf0dbee54a2a9f2280f8cbeff946919b6e8b44fc8e5163c3f824cc06bc.exe
    "C:\Users\Admin\AppData\Local\Temp\8e4d91bf0dbee54a2a9f2280f8cbeff946919b6e8b44fc8e5163c3f824cc06bc.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2220
    • 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:2592
    • 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

    efd90b3ac908d5482af367de3a82184a

    SHA1

    de9f01d2ed0247b7b347e55c5a09721a60147fb9

    SHA256

    44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d

    SHA512

    6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02

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

    Filesize

    338B

    MD5

    ca924d4b88a01a30062207c12f11646a

    SHA1

    71aa72755cd58918ae9af3cc588db2ed7a9e19a1

    SHA256

    f6e5fc49e2ed487d335a5885a87d2e36da4be512939186548d1b0a823e21dc68

    SHA512

    bc1086536a44aa8a52e165b3425d3bc8ba12973dcb04bbea23bdc8f2a7deef4ceb5ea8b6148a32962dd96c6f8153de5599119a8c455f688cea2b54c6a9cc13f0

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

    Filesize

    64KB

    MD5

    34a16d9217c9a19138ef045ede14ef6e

    SHA1

    50a15c9371e393549e654ebbcd506d198487f86c

    SHA256

    c5ba3ca92caf1cf29ba20c38a34a076bfbd3b7d2847fb2b94e4acb9f238ebf60

    SHA512

    17ab138a9bae1cc070a2726f4d696a1902b42e37d16b364d28226286a31bc5839163b3d679ca07ddc9ec772df4353e6099316e6eab0baf7a8bdd192818f5be33

  • memory/2220-0-0x0000000000B10000-0x0000000000B35000-memory.dmp

    Filesize

    148KB

  • memory/2220-6-0x00000000008F0000-0x0000000000915000-memory.dmp

    Filesize

    148KB

  • memory/2220-18-0x0000000000B10000-0x0000000000B35000-memory.dmp

    Filesize

    148KB

  • memory/2592-21-0x0000000000FC0000-0x0000000000FE5000-memory.dmp

    Filesize

    148KB

  • memory/2592-23-0x0000000000FC0000-0x0000000000FE5000-memory.dmp

    Filesize

    148KB

  • memory/2592-29-0x0000000000FC0000-0x0000000000FE5000-memory.dmp

    Filesize

    148KB