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Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2024, 14:11

General

  • Target

    b6cf01e063e6370d0ca1455ad65dd58b5aa608779804229e846742b5a12c8691.exe

  • Size

    334KB

  • MD5

    48c754b5a0b4931fb08ad6a060c6f3c5

  • SHA1

    3056f95cc54e0a8ee01bb930e279e876c4bc1c45

  • SHA256

    b6cf01e063e6370d0ca1455ad65dd58b5aa608779804229e846742b5a12c8691

  • SHA512

    bb175497b013686162ce71fb8112f16b4ab0746357612fd0fa9406b727ff3907ef7ec96459e3e05163e380cb84bd6a737667299c2ccea65df5579df9071d6b94

  • SSDEEP

    6144:nvHWrZ+i8/iYiVst4UKVRw8pDrKlGSeNWcx1RsF9gc+XY9U:vHW138/iXWlK885rKlGSekcj66ciIU

Score
10/10

Malware Config

Extracted

Family

urelas

C2

218.54.31.226

218.54.31.165

218.54.31.166

Signatures

  • Urelas

    Urelas is a trojan targeting card games.

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

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

  • Executes dropped EXE 2 IoCs
  • 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 48 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6cf01e063e6370d0ca1455ad65dd58b5aa608779804229e846742b5a12c8691.exe
    "C:\Users\Admin\AppData\Local\Temp\b6cf01e063e6370d0ca1455ad65dd58b5aa608779804229e846742b5a12c8691.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3512
    • C:\Users\Admin\AppData\Local\Temp\xebuj.exe
      "C:\Users\Admin\AppData\Local\Temp\xebuj.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Users\Admin\AppData\Local\Temp\opbio.exe
        "C:\Users\Admin\AppData\Local\Temp\opbio.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2988
    • 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:3188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    340B

    MD5

    fcee18b4f5a4109143fc8d5fb58a648c

    SHA1

    c5151910f25c710befc931b38730f8ab3119067e

    SHA256

    148df7dbcaf5f4eab988643544f498c546cbc3ab0eaf32f9897bd85c773c3634

    SHA512

    85c86921fda408d6826d1af702cd01cc19d63a03b45b31ea40e372921adeef9281a119a8b9faa2924e4fbc6342f924e9f111be071a20fae89771e8a9e288178a

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

    Filesize

    512B

    MD5

    feb3a5c4d484c079efe42353a87bf640

    SHA1

    83e7bf9790c6537817953d337d5bbb59c317c119

    SHA256

    7fde0709ef871feca6f64f664c0af19ebf120332e317babd4eb9df693e7ddd4f

    SHA512

    13e2015da4ec21d02a143589a9ad0625f2e583a02492bbe48014e1f8070862f2de4730f22d780648dc106ed7151f43cfd4050dbaa97824017b7cf5147806897f

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

    Filesize

    172KB

    MD5

    cc5af958b77015ba965eb773096c7c80

    SHA1

    55fb382ee2e48bc71d399b057cd3037c16f2437b

    SHA256

    8fd9fef02c70d5657ee9641dc2e51fec1a13c78c900908317927f3d6e35a5cc4

    SHA512

    b464e8aaa325d1bbc79fbfe9f37955372b2b6418d639bdcf161d6046882bd785d96456366037405ac2fea2a2ed6ae08a8c3d96b17b03797e88d854c95912d236

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

    Filesize

    334KB

    MD5

    c500880bda6bccb69f30ad827253e5a5

    SHA1

    e5388cfee0c53f160e0055835142e4cbd414c4c8

    SHA256

    0c2c536cee64ae2f1366d5010b51ead68d051966d1638ccadde9a701efde68e4

    SHA512

    681399ed229c109ecf5d27db613ca44fafca35f8cdd15e60b6e8a5cacf74aa60ee6072eaa41e77518e2b3d262de1fd5a508e8a911ac58cbf8762214b425e92d6

  • memory/2988-48-0x00000000005D0000-0x0000000000669000-memory.dmp

    Filesize

    612KB

  • memory/2988-40-0x00000000005D0000-0x0000000000669000-memory.dmp

    Filesize

    612KB

  • memory/2988-46-0x00000000005D0000-0x0000000000669000-memory.dmp

    Filesize

    612KB

  • memory/2988-47-0x0000000000560000-0x0000000000562000-memory.dmp

    Filesize

    8KB

  • memory/2988-41-0x0000000000560000-0x0000000000562000-memory.dmp

    Filesize

    8KB

  • memory/2988-42-0x00000000005D0000-0x0000000000669000-memory.dmp

    Filesize

    612KB

  • memory/3512-17-0x0000000000C90000-0x0000000000D11000-memory.dmp

    Filesize

    516KB

  • memory/3512-0-0x0000000000C90000-0x0000000000D11000-memory.dmp

    Filesize

    516KB

  • memory/3512-1-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/3928-13-0x0000000000750000-0x0000000000751000-memory.dmp

    Filesize

    4KB

  • memory/3928-39-0x0000000000BF0000-0x0000000000C71000-memory.dmp

    Filesize

    516KB

  • memory/3928-21-0x0000000000750000-0x0000000000751000-memory.dmp

    Filesize

    4KB

  • memory/3928-20-0x0000000000BF0000-0x0000000000C71000-memory.dmp

    Filesize

    516KB

  • memory/3928-11-0x0000000000BF0000-0x0000000000C71000-memory.dmp

    Filesize

    516KB