Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 19:18

General

  • Target

    7a58a6437cd79cc23d9a1692c1749a474d2c33398d16744c57b04b3823407d47N.exe

  • Size

    6.5MB

  • MD5

    5a0997fb887c620d2815135e9a8f9e00

  • SHA1

    b60b295c2ee512364978eb9d0dad3de46ab91a80

  • SHA256

    7a58a6437cd79cc23d9a1692c1749a474d2c33398d16744c57b04b3823407d47

  • SHA512

    99eaa2bd1e12fa9f07458930e59b66fa5e9370983df605189c6b2dc147a2389c0bf668bed010512b432f705635fa071359dbd6ae499ee7653e2649a100b70b68

  • SSDEEP

    98304:Roc5swrA2XGxlHKcjTjNk3o659yrnfKtDrKIAyyks+Ctf8mQZVSq:i0LrA2kHKQHNk3og9unipQyOaOq

Malware Config

Extracted

Family

urelas

C2

218.54.31.165

218.54.31.226

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

  • Urelas family
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 3 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a58a6437cd79cc23d9a1692c1749a474d2c33398d16744c57b04b3823407d47N.exe
    "C:\Users\Admin\AppData\Local\Temp\7a58a6437cd79cc23d9a1692c1749a474d2c33398d16744c57b04b3823407d47N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Users\Admin\AppData\Local\Temp\fesyc.exe
      "C:\Users\Admin\AppData\Local\Temp\fesyc.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3812
      • C:\Users\Admin\AppData\Local\Temp\ocufve.exe
        "C:\Users\Admin\AppData\Local\Temp\ocufve.exe" OK
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4552
        • C:\Users\Admin\AppData\Local\Temp\mopub.exe
          "C:\Users\Admin\AppData\Local\Temp\mopub.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2468
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1504
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_vslite.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    aefef7aa7f0199676941b34c9df61960

    SHA1

    434c6975ecf2b18e57feb8c0d8b5e77cb744b8ea

    SHA256

    1da8dec5db869ff91420ce9c81579acbae649d5954905f91fb8987b0ff09eb79

    SHA512

    811b8508670f8680449aa1d13f1b7db5faeaf67cc228f34afa3f765df9582491b36a5df29518eff1290d616b1daddf41672aa57dd884831cda5a16a092ae2826

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

    Filesize

    224B

    MD5

    92dbc6bfa006a6130588dbf4eb318640

    SHA1

    2bf41095e93ff5c3e5fe494f4b56612dba9c8e66

    SHA256

    b5759be79ed8e444cb9184fe5c79dc7c3fe00a673fe027cd75a9f52fe39c2da8

    SHA512

    212b218460437eee82c2f1cd0a0ad77edf4ef8a08a8402902ac90a217d5f06c9fcdce10aa5b6c2467f272f32a1ca3513b3ea6eca755f857a82a28a8e36091588

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

    Filesize

    6.5MB

    MD5

    70e554120674e54a0c57420710c31940

    SHA1

    6d3d4450f546b71b3cc72829e9b8056d5b8994d8

    SHA256

    baf1f195c5cfc8eba4b3ea1d5abe40658453739c68bdc866a8035279c0e4d629

    SHA512

    187ce2d5a075b9d312e6b6ec4c63b88f6515fec846add56b3cff6e77f51ef2e9ff56e11be436136417a4b5ea6425d11b59db07c773661eebae9c6f87c3948d93

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

    Filesize

    104B

    MD5

    dbef593bccc2049f860f718cd6fec321

    SHA1

    e7e9f8235b4eb70aa99dd2c38009f2152575a8d0

    SHA256

    30f820bb1ca6c20bcd77113c7377e01f31cdf0ec5b64864f22887d41a9bf3c7a

    SHA512

    3e87c661c343b72f5dff4587b99688dbf655be9d6d903a75151bd9f204f55858e90388591f660bcbded5278ef94e322bf3e7c57374c9b16fce1eef7082395a2a

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

    Filesize

    512B

    MD5

    57d9488bc8b2583f561f3cb007255f13

    SHA1

    b24a8e0370aed40c60bd491c432fad354580f433

    SHA256

    050ad1bbaeb64f44c72abaa4728be8aa6c2388ac0a1ebe14be79040e04a9385b

    SHA512

    5b8b7fde904d45b6a06edbf4a9325798ec0bc6856fd36bee38e7cffba5131385382f0a056e0f7d3b36cf31b3e96082bacad375ac32ed290e562793df47a7cbbe

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

    Filesize

    459KB

    MD5

    e0adb815f6e87b3a6fe4be763bd546a9

    SHA1

    587d0d9357ab636f0ef2773ea1f06e93ca38532e

    SHA256

    0e749b53bf9537ec4d7d2bb6e57726a61a490f5084f4228fc1b1d5073f28adb9

    SHA512

    2c91bc105d4e31a432293b1a530ce0906824e69376dd09668448b760f0796dd5d851c2baece6b6173fd840d7fedb0d09a03228daf4f13f923806e930d56b3d6b

  • memory/2468-76-0x0000000000400000-0x0000000000599000-memory.dmp

    Filesize

    1.6MB

  • memory/2468-72-0x0000000000400000-0x0000000000599000-memory.dmp

    Filesize

    1.6MB

  • memory/3812-28-0x0000000000F10000-0x0000000000F11000-memory.dmp

    Filesize

    4KB

  • memory/3812-29-0x0000000001080000-0x0000000001081000-memory.dmp

    Filesize

    4KB

  • memory/3812-30-0x0000000001090000-0x0000000001091000-memory.dmp

    Filesize

    4KB

  • memory/3812-33-0x0000000002C90000-0x0000000002C91000-memory.dmp

    Filesize

    4KB

  • memory/3812-31-0x0000000002B60000-0x0000000002B61000-memory.dmp

    Filesize

    4KB

  • memory/3812-32-0x0000000002B70000-0x0000000002B71000-memory.dmp

    Filesize

    4KB

  • memory/3812-40-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/3812-48-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/3812-35-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/3812-38-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/3812-34-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

    Filesize

    4KB

  • memory/4436-14-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/4436-4-0x0000000002D60000-0x0000000002D61000-memory.dmp

    Filesize

    4KB

  • memory/4436-25-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/4436-0-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/4436-13-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/4436-1-0x0000000000526000-0x000000000087A000-memory.dmp

    Filesize

    3.3MB

  • memory/4436-2-0x0000000001040000-0x0000000001041000-memory.dmp

    Filesize

    4KB

  • memory/4436-3-0x0000000002D50000-0x0000000002D51000-memory.dmp

    Filesize

    4KB

  • memory/4436-8-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

    Filesize

    4KB

  • memory/4436-7-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

    Filesize

    4KB

  • memory/4436-6-0x0000000002DA0000-0x0000000002DA1000-memory.dmp

    Filesize

    4KB

  • memory/4436-26-0x0000000000526000-0x000000000087A000-memory.dmp

    Filesize

    3.3MB

  • memory/4436-5-0x0000000002D90000-0x0000000002D91000-memory.dmp

    Filesize

    4KB

  • memory/4552-55-0x0000000002A70000-0x0000000002A71000-memory.dmp

    Filesize

    4KB

  • memory/4552-52-0x0000000001180000-0x0000000001181000-memory.dmp

    Filesize

    4KB

  • memory/4552-51-0x0000000001170000-0x0000000001171000-memory.dmp

    Filesize

    4KB

  • memory/4552-50-0x0000000001160000-0x0000000001161000-memory.dmp

    Filesize

    4KB

  • memory/4552-59-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/4552-53-0x0000000002A50000-0x0000000002A51000-memory.dmp

    Filesize

    4KB

  • memory/4552-54-0x0000000002A60000-0x0000000002A61000-memory.dmp

    Filesize

    4KB

  • memory/4552-73-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/4552-57-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB

  • memory/4552-56-0x0000000002A80000-0x0000000002A81000-memory.dmp

    Filesize

    4KB

  • memory/4552-49-0x0000000000400000-0x0000000000EEC000-memory.dmp

    Filesize

    10.9MB