Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-07-2024 00:19

General

  • Target

    7b10fcb173a0c622cccbc69640b3227dbabd4bf4d94f9e3a580c5c7012e5c2e6.exe

  • Size

    386KB

  • MD5

    7dbb58e723e451b2fd9e72eb5a515a32

  • SHA1

    5c3234c56aff1c36746031758b76f126392cd0b7

  • SHA256

    7b10fcb173a0c622cccbc69640b3227dbabd4bf4d94f9e3a580c5c7012e5c2e6

  • SHA512

    6aa06d5adeba44d180f4621cd46a48bd55bf4a24f7b0332359114da2599c8bfe44bc15b5dc3deb7a51bbd324c5e54bcd8407457caa0ad892bc32c2f0f7cdca9e

  • SSDEEP

    6144:tfKUuk3Zz7INHrUP0Q9G9G8rMd1CX4/D1qPDmftZvVhlvDGjaELfDMzPS94k:NBJzsNfIG0IMHCX4b1qLmvvXlrKVfjT

Malware Config

Extracted

Family

urelas

C2

1.234.83.146

133.242.129.155

218.54.31.226

218.54.31.165

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b10fcb173a0c622cccbc69640b3227dbabd4bf4d94f9e3a580c5c7012e5c2e6.exe
    "C:\Users\Admin\AppData\Local\Temp\7b10fcb173a0c622cccbc69640b3227dbabd4bf4d94f9e3a580c5c7012e5c2e6.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Users\Admin\AppData\Local\Temp\dufui.exe
      "C:\Users\Admin\AppData\Local\Temp\dufui.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Users\Admin\AppData\Local\Temp\detyq.exe
        "C:\Users\Admin\AppData\Local\Temp\detyq.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    340B

    MD5

    d99a5f0afa5abf38f0f6ba217b2fef4e

    SHA1

    e2b5bd266d10f7916fe4cf23589a0bd047256c50

    SHA256

    6602f7ea5cf6eafecaad20bc0d8a855780844123f02e69a97d51bed8ee90d97d

    SHA512

    e572e92d778b3f20d3467bb649ad692246f52ca4f4afe22e308c8aab46e437435a1eab043521d2bdb2e3dd987a1b837df1698860b145834a456a79b4dc9f29f7

  • C:\Users\Admin\AppData\Local\Temp\detyq.exe

    Filesize

    241KB

    MD5

    563a51f1a4e5a6374fb32f916aa658b4

    SHA1

    8103c7403e8e1168f519a8f59eed23037ba04338

    SHA256

    4fcbf8bad0fa761daa97890ec3cdd04b6b800875a0a4f9200753c04ba69d5a41

    SHA512

    029d489df4045b766852d95b221459c5060bac2d2546aa3716ea082e192e825857c2ce6fc682cec7e23697e1b0ff49c2c49ffc6cced19e16abe916f02cb1f3cf

  • C:\Users\Admin\AppData\Local\Temp\dufui.exe

    Filesize

    386KB

    MD5

    8e9bd4e4f9cc91d9765256e158a7022b

    SHA1

    8e0934f0d363af548aae5ff1cbdef3c6d0601c82

    SHA256

    daa24eafd4c551aeaf50aa897338884979985651caf3786926c26f7115df09f4

    SHA512

    3b35fc7b6e8a2757836343b84a568936495ef3ede412c04864b6e9958f669cd974cb078395d9476f65eea786b45bdd3e35edb865241de50ab09ea68e5b4ad607

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

    Filesize

    512B

    MD5

    c905a760f1cb2d31e5ccbff0084ef579

    SHA1

    b36eb9ebaaab504131c18666ee3069e2e9531634

    SHA256

    56ef4a3dc7737fc04b121cd2d6669285ee6a3097283adf98ac9d5050e82cbcfa

    SHA512

    a8e1c26de0df20c9265d5775791dc2d1afc64a2f8df36d5518de1c467a369c40ecf21b3f5e7176cbd013fb423373763b7a1c59e4fb30d1ec1718059e854b39be

  • memory/532-14-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/532-0-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3624-35-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3624-12-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/3624-17-0x0000000000400000-0x0000000000490000-memory.dmp

    Filesize

    576KB

  • memory/4956-37-0x0000000000CA0000-0x0000000000D56000-memory.dmp

    Filesize

    728KB

  • memory/4956-36-0x0000000000C90000-0x0000000000C91000-memory.dmp

    Filesize

    4KB

  • memory/4956-39-0x0000000000CA0000-0x0000000000D56000-memory.dmp

    Filesize

    728KB

  • memory/4956-40-0x0000000000CA0000-0x0000000000D56000-memory.dmp

    Filesize

    728KB

  • memory/4956-41-0x0000000000CA0000-0x0000000000D56000-memory.dmp

    Filesize

    728KB

  • memory/4956-42-0x0000000000CA0000-0x0000000000D56000-memory.dmp

    Filesize

    728KB

  • memory/4956-43-0x0000000000CA0000-0x0000000000D56000-memory.dmp

    Filesize

    728KB