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Analysis

  • max time kernel
    120s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 15:30

General

  • Target

    dfcb72df9d7365a74214073b7006d9a0N.exe

  • Size

    209KB

  • MD5

    dfcb72df9d7365a74214073b7006d9a0

  • SHA1

    6d1b58acc1fdf1961c6ec807c669e67684d93b4f

  • SHA256

    74550647b3a5e08fb3ffaeb4444beeea3e86312919a7e7350008062aeeac37e3

  • SHA512

    35b143b4bd084634c40f517b92f0843a725553064be5cf167d52f5ad099407d56540885811b163bf861908df587973179f6d05933141efd612b5704ed43607f7

  • SSDEEP

    3072:0Qcjk9tVRNIcjb4Ryfjijjx14hdeCXHKPJFo9zpE7Di0X0JuLL+o7BlpF9e:0Qh9tVRm2kh34hdeCkcG7DEALLlnN

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfcb72df9d7365a74214073b7006d9a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\dfcb72df9d7365a74214073b7006d9a0N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    209KB

    MD5

    c4772e28c4d10f1f2bb655fa3f621c11

    SHA1

    67637f6132d0786e63610c17cb8d89b64cc03404

    SHA256

    565fa9b92ce14c18f01ddff45549b87a8c855ad1058843dd228d467931959ff2

    SHA512

    6c82f903712c957cf95b7f34508e30079aa2eef93e4e74acdb044dfd27c57b1550012a49baa4958a1cfe18b48b1d973308673ec15c766d50dd948e8c60b08f73

  • memory/2328-26-0x0000000000510000-0x000000000059A000-memory.dmp

    Filesize

    552KB

  • memory/2328-28-0x0000000000510000-0x000000000059A000-memory.dmp

    Filesize

    552KB

  • memory/2328-40-0x0000000002830000-0x00000000028C9000-memory.dmp

    Filesize

    612KB

  • memory/2328-34-0x0000000002830000-0x00000000028C9000-memory.dmp

    Filesize

    612KB

  • memory/2328-18-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2328-19-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2328-20-0x0000000000510000-0x000000000059A000-memory.dmp

    Filesize

    552KB

  • memory/2328-22-0x0000000000510000-0x000000000059A000-memory.dmp

    Filesize

    552KB

  • memory/2328-36-0x0000000002830000-0x00000000028C9000-memory.dmp

    Filesize

    612KB

  • memory/2328-31-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2328-30-0x0000000000510000-0x000000000059A000-memory.dmp

    Filesize

    552KB

  • memory/2328-32-0x0000000002830000-0x00000000028C9000-memory.dmp

    Filesize

    612KB

  • memory/2328-24-0x0000000000510000-0x000000000059A000-memory.dmp

    Filesize

    552KB

  • memory/2352-0-0x0000000000240000-0x0000000000298000-memory.dmp

    Filesize

    352KB

  • memory/2352-1-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2352-16-0x0000000000240000-0x0000000000298000-memory.dmp

    Filesize

    352KB

  • memory/2352-17-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB