Analysis

  • max time kernel
    119s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 04:08

General

  • Target

    3727ddffbacf1c08dd69ce37e781554c19453dc4ea44e471cf01c160397a8540N.exe

  • Size

    137KB

  • MD5

    6796127616ea431168ec9def87121570

  • SHA1

    b757b0db9eb418bc53bc180b89d276219b6cc926

  • SHA256

    3727ddffbacf1c08dd69ce37e781554c19453dc4ea44e471cf01c160397a8540

  • SHA512

    7decf2528b6a5e1cec54f879c3d7268b90f0c07ed467b2b0cea7d893e92f6e677b52d0a1ea18313eef3504fa32e1b7de065cc0acde80a39f8006e28bb21d1c5e

  • SSDEEP

    1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfI3:P/5kqCxiXEcO3XfGf2tMUf6odgR5A43

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\3727ddffbacf1c08dd69ce37e781554c19453dc4ea44e471cf01c160397a8540N.exe
    "C:\Users\Admin\AppData\Local\Temp\3727ddffbacf1c08dd69ce37e781554c19453dc4ea44e471cf01c160397a8540N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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:2544
    • 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:2352

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

    340B

    MD5

    9566ac7eb0912c47706e3144d89aa7ed

    SHA1

    74d068e3e0aead59d9610de5365752a0ea4eb351

    SHA256

    a65a8df0f738aedc624d94ad98f44a4f3f98a94d1dc6415de90cee049ad1cb46

    SHA512

    8930764f5f3a4dd0b55a75d79c66c60620a71c959b433dedb1938c7ad2e5bc57c320930c8d53ee9a172c5f4a19c5a1ac31b892c6aed826a65720e6ba4f78117d

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

    Filesize

    137KB

    MD5

    a10e90b32e41cde3bf085d0d2e39db2b

    SHA1

    7424e772d33a9f1ecb26419588b4892221242861

    SHA256

    4cf2fd5a861ccde94ee625662e2343bf817e7ab817588b1076bac95441a8099b

    SHA512

    c9d73122cfd9d37cca2a30899889404ae0b7f613ab51d409e1d221f3c4e694b58f7f2b858681e4ad456e71e171401c550915f3095e7c13df8b04a6b1b707ee85

  • memory/2280-0-0x0000000000BF0000-0x0000000000C17000-memory.dmp

    Filesize

    156KB

  • memory/2280-7-0x0000000000B80000-0x0000000000BA7000-memory.dmp

    Filesize

    156KB

  • memory/2280-18-0x0000000000BF0000-0x0000000000C17000-memory.dmp

    Filesize

    156KB

  • memory/2544-10-0x0000000001130000-0x0000000001157000-memory.dmp

    Filesize

    156KB

  • memory/2544-21-0x0000000001130000-0x0000000001157000-memory.dmp

    Filesize

    156KB

  • memory/2544-22-0x0000000001130000-0x0000000001157000-memory.dmp

    Filesize

    156KB