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Analysis

  • max time kernel
    150s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 15:25

General

  • Target

    1a2ff88264bfa46ac009b8c486798fcaac6c8c4cf81d90c49b13befb35413fe6.exe

  • Size

    288KB

  • MD5

    0884a45ae5ab712cd28c3271b3ad9169

  • SHA1

    b0e572028d7c6acf1029be26d4822a5315f6a5a6

  • SHA256

    1a2ff88264bfa46ac009b8c486798fcaac6c8c4cf81d90c49b13befb35413fe6

  • SHA512

    6d2ec3b13777c4bb714a91a2340fd5fd43ecd755b27b7d5f1b1a4a65453defe46de396d7b04093aec2d0595d3d4bcfa97ef94a524dda7359fb4416944a187523

  • SSDEEP

    6144:BQRiNvbGuOdn9Z/QmO6Ckobf3fGCmahGkUutt:ZNvbGuYnXQmO6Ckobf3fGCmah7Uu

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a2ff88264bfa46ac009b8c486798fcaac6c8c4cf81d90c49b13befb35413fe6.exe
    "C:\Users\Admin\AppData\Local\Temp\1a2ff88264bfa46ac009b8c486798fcaac6c8c4cf81d90c49b13befb35413fe6.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\lomuv.exe
      "C:\Users\Admin\lomuv.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\lomuv.exe

    Filesize

    288KB

    MD5

    e1e219f5db26543a0b8d52e35294882e

    SHA1

    5408b611408ed5f0fa029b7aadbac4c0b3fd668e

    SHA256

    6604514dbb2b4db2bae7ccd0c846abb6cf2d5eb44caa7c80e817bdfd0167de19

    SHA512

    cc357d87b766a12848b6a96ec29735abe40cd5ea2414cede1366b1f392a3fa61d54416ba5d97b4634830cda96bf6d3ec5b9f75f6a6e5931f508db56c202d2e1d

  • C:\Users\Admin\lomuv.exe

    Filesize

    288KB

    MD5

    e1e219f5db26543a0b8d52e35294882e

    SHA1

    5408b611408ed5f0fa029b7aadbac4c0b3fd668e

    SHA256

    6604514dbb2b4db2bae7ccd0c846abb6cf2d5eb44caa7c80e817bdfd0167de19

    SHA512

    cc357d87b766a12848b6a96ec29735abe40cd5ea2414cede1366b1f392a3fa61d54416ba5d97b4634830cda96bf6d3ec5b9f75f6a6e5931f508db56c202d2e1d

  • memory/1016-140-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1016-142-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2672-132-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2672-141-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB