Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 11:13

General

  • Target

    4481a0b60dd2265f4e3cdcbbdd49f3df70a388ae870c2bda44d65c3440a4d90f.exe

  • Size

    60KB

  • MD5

    7d77b4d63a4ccbece37974800633e7e5

  • SHA1

    53408b5932808d2617e2bd8d1dbf3283ea4bf33f

  • SHA256

    4481a0b60dd2265f4e3cdcbbdd49f3df70a388ae870c2bda44d65c3440a4d90f

  • SHA512

    90e543ba2ac81284680ca74526be7a0b35db31fd50de77cfb457af04ea8533097968369276764508bc5ec02ac8e89981d559a8eca52d89a13fce77e03cb3f439

  • SSDEEP

    768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPa:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdJ

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4481a0b60dd2265f4e3cdcbbdd49f3df70a388ae870c2bda44d65c3440a4d90f.exe
    "C:\Users\Admin\AppData\Local\Temp\4481a0b60dd2265f4e3cdcbbdd49f3df70a388ae870c2bda44d65c3440a4d90f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4828
    • 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:3896
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    60KB

    MD5

    4b05a8bd01ecb954f4cd48336547e9f5

    SHA1

    2a90b44052e9f831d24227f43537b29cfd793dc3

    SHA256

    84bf8444a2b58b683c024bdf161a7a194cf4ec15d17a7c89810fb18e5f293b6f

    SHA512

    9edebb7af9e6f2aa78cb97d9e46392ebcf8e257f2d2d5861da224086f5c023de9086a78a696e8c80c703c8855bac3c253a094e0832dbcb78a04a5685f449f510

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

    Filesize

    512B

    MD5

    55e10a9af74d3f3fa5ae3cb7ff5ad9d4

    SHA1

    449221fd8d7196a54de2bd583625d8d1b64db56a

    SHA256

    a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

    SHA512

    4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

    Filesize

    338B

    MD5

    bdfa6b02f03266c08d0d82392f9565c8

    SHA1

    b29b512cd30f1aec50a0fd01635fc7936d0311a6

    SHA256

    a1941bcd4e253b697f04109713de086b516bb07d90156ad5fbce24f4c3f6a4ae

    SHA512

    c5443eab2fc71540432c1423a7212c5336372134217af8b708c6862e93ec64e09837ea1510e30d9096bcf4383be85677320a3aceff0d335c9bce325024e67f18

  • memory/3896-11-0x0000000000680000-0x00000000006B5000-memory.dmp

    Filesize

    212KB

  • memory/3896-18-0x0000000000680000-0x00000000006B5000-memory.dmp

    Filesize

    212KB

  • memory/3896-20-0x0000000000680000-0x00000000006B5000-memory.dmp

    Filesize

    212KB

  • memory/3896-27-0x0000000000680000-0x00000000006B5000-memory.dmp

    Filesize

    212KB

  • memory/4828-0-0x0000000000090000-0x00000000000C5000-memory.dmp

    Filesize

    212KB

  • memory/4828-15-0x0000000000090000-0x00000000000C5000-memory.dmp

    Filesize

    212KB