Analysis

  • max time kernel
    200s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/02/2024, 05:38

General

  • Target

    Trojan-Ransom.Win32.GenericCryptor.exe

  • Size

    467KB

  • MD5

    4e573e2371d005c4b87d4f6d763531f2

  • SHA1

    2b07fb3ec245aa24b2799a9d225207fcd2a0d56f

  • SHA256

    308e2d9a98066c0789a73be20246262b10d29d5b0859421ede2274af17a57190

  • SHA512

    05e3f12a871bcfad6eead8ef8636c98914beef04ec48a3ffcd13b103dfe132efb9649cb32eddc9f931852cbba21d41a0148ca99be4a749c1f16cafd580c0f228

  • SSDEEP

    12288:olJ+TFukCI+P9CcrmwEuBwUqA5qFbAGTALHaspT:00U9CcrmwEPA5qFxT7CT

Score
10/10

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.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.GenericCryptor.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.GenericCryptor.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Users\Admin\AppData\Local\Temp\lyfod.exe
      "C:\Users\Admin\AppData\Local\Temp\lyfod.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Users\Admin\AppData\Local\Temp\piotw.exe
        "C:\Users\Admin\AppData\Local\Temp\piotw.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2096
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
      2⤵
      • Deletes itself
      PID:2492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          280B

          MD5

          c1a0648fe9d4b93ec746a6e41f3f7ca8

          SHA1

          57e04f2693480be87a11398ca938f8183e62db7c

          SHA256

          3de16b3be327336ff28d2383af13c7c6f0ae7d3b75884c4dc7a4885f54110e0c

          SHA512

          3c4320927f9468c11ef7e3641db0af457a344492873d49262b57d1fd4cc47d1c08f02a959a4e2cb93a6e2f447899501f4fb35da53726ded737f22c906fb4878d

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

          Filesize

          512B

          MD5

          c84c819b9a1e342f8fba9dd480a7a154

          SHA1

          f5e355c1b74dd98eccce1493661b0f8ad8c0a7c7

          SHA256

          aa97a1d943d5595194092e7f080891f3e9b27c784162f81b3a6de5ef9005dc8d

          SHA512

          810e245418ac4d25fa78a181c4d6e86f04125b2f91b5568685d5779e15d3d269361232b162a2353498062f9fa47b4be86c8971fceb67678cbaf1ccff1f4e7c53

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

          Filesize

          467KB

          MD5

          1b8156b4d4ed55ac8a15b511ad708bb6

          SHA1

          e7aa4dc84ef417c156726351da8745b2ba8c670c

          SHA256

          a46ec81202d475eb22614e8623a4f3282f01beace4db9a6d4f95d63719f80d37

          SHA512

          91d023f06890a9d0cc4d45ebf2184f88ce1eb2fc9215dda59660abf13739d90f203068c3f098e86c24163e1d8290a55121180ae42b58f99743151839f5792bc2

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

          Filesize

          242KB

          MD5

          890e693cdde54bbd1e26e5addc821ac0

          SHA1

          2a1711a13c2b24eb40446fe271c6c281d12e5b98

          SHA256

          31dbdaf305907bb1db8431d4f947e6e28c177f96149b63cdb6b6675da71da4d5

          SHA512

          85c3090b91442631291f99606089a19f1453fff7b412980215486ebb3fc4a47c4d5fa014fd428ff0067aae3bab20ceb6f9fe37a984c18c085f6baccba545fb49

        • memory/2096-43-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2096-45-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2096-48-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2096-41-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2096-42-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2096-47-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2096-38-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2096-46-0x00000000003F0000-0x000000000049D000-memory.dmp

          Filesize

          692KB

        • memory/2444-19-0x0000000001010000-0x0000000001092000-memory.dmp

          Filesize

          520KB

        • memory/2444-7-0x0000000002870000-0x00000000028F2000-memory.dmp

          Filesize

          520KB

        • memory/2444-1-0x0000000000140000-0x0000000000141000-memory.dmp

          Filesize

          4KB

        • memory/2444-0-0x0000000001010000-0x0000000001092000-memory.dmp

          Filesize

          520KB

        • memory/2892-22-0x0000000000150000-0x00000000001D2000-memory.dmp

          Filesize

          520KB

        • memory/2892-37-0x0000000000150000-0x00000000001D2000-memory.dmp

          Filesize

          520KB

        • memory/2892-39-0x0000000002FC0000-0x000000000306D000-memory.dmp

          Filesize

          692KB

        • memory/2892-17-0x0000000000100000-0x0000000000101000-memory.dmp

          Filesize

          4KB