Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 19:46

General

  • Target

    a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe

  • Size

    140KB

  • MD5

    911fcedac2288feb9b40d3d554a35c48

  • SHA1

    20049de78dbb85134a24ebcf63b4cbd340712339

  • SHA256

    a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5

  • SHA512

    065d6f220bce7aa4e91e74cea0baf85bf50da71bdc4f6c0f08725aefacdbeb20e465c15ea13431c7a2b3b4ca36a98c7137e906ad3fd3e8d94b04dd822cf1c8a7

  • SSDEEP

    1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfI9:P/5kqCxiXEcO3XfGf2tMUf6odgR5A49

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\a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe
    "C:\Users\Admin\AppData\Local\Temp\a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1292
    • 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:2308
    • 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:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    512B

    MD5

    0ecda9ecaa423d5a8481985b7d3d5a77

    SHA1

    ecc237c20c234cf9c0e20b39a39ab27244dc7971

    SHA256

    caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

    SHA512

    82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

    Filesize

    338B

    MD5

    5212edd3e13aac9b517160e4e6102f66

    SHA1

    d24e4d01f5b4a09c03d04ec7b23fcf9c26d76a26

    SHA256

    656ce2b575836ce46130998617a47fec152faa0af0852ab48244a4e0232de6cf

    SHA512

    0d38e670ae688419e96006886280df975e5472bcb56d97584a629ff15f93f064508a2456fac9dbe056811acde8c8dff9ef15e655bb2493b66be04fc647e0e8a4

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

    Filesize

    140KB

    MD5

    55573ca2a915e982499e0dbbb60ac58d

    SHA1

    ea3ad805c62ae20d8317429b14213927355cc60b

    SHA256

    839aa8bea22a8ce4959f267a2c58501dedd6b7cca2b3193b262932484a2a6375

    SHA512

    3dc7ffdaaba649a4b1c80224b45547e91797a6e005d5c40be28c43ff829bc77c76da7eb49d86c7b64fd393f5d499fed8093857d0090c2df2a62b5c40b686dbde

  • memory/1292-0-0x0000000000CE0000-0x0000000000D07000-memory.dmp

    Filesize

    156KB

  • memory/1292-17-0x0000000000CE0000-0x0000000000D07000-memory.dmp

    Filesize

    156KB

  • memory/1292-8-0x00000000004B0000-0x00000000004D7000-memory.dmp

    Filesize

    156KB

  • memory/2308-18-0x00000000000E0000-0x0000000000107000-memory.dmp

    Filesize

    156KB

  • memory/2308-21-0x00000000000E0000-0x0000000000107000-memory.dmp

    Filesize

    156KB

  • memory/2308-22-0x00000000000E0000-0x0000000000107000-memory.dmp

    Filesize

    156KB