Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 12:40

General

  • Target

    f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9.exe

  • Size

    361KB

  • MD5

    6d60068e31c6367a2b65155e24b6472a

  • SHA1

    81086560b1f535396be1a20837be382832ddd887

  • SHA256

    f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9

  • SHA512

    7b61595c8a23dc60bf3e042281f112d0d3f78f42a72e340751c4dac7736700507939431d3b51238766fe3463c493aac653a832ca8425fce802ddf0ea0ee1ba42

  • SSDEEP

    6144:F7O7EkVevSrpVHXZdGCgVcaRU7JkvmzLDQD2Pz5DTAiIqT7OipGrzU4eGg47:cNVvcCgzU9k2LDQDwzhTjXpct247

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9.exe
    "C:\Users\Admin\AppData\Local\Temp\f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Users\Admin\AppData\Local\Temp\f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9.exe
      "C:\Users\Admin\AppData\Local\Temp\f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\SysWOW64\Desktop Window Manager\dwm.exe
        "C:\Windows\system32\Desktop Window Manager\dwm.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:684
        • C:\Windows\SysWOW64\Desktop Window Manager\dwm.exe
          "C:\Windows\SysWOW64\Desktop Window Manager\dwm.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Sets file execution options in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Desktop Window Manager\dwm.exe

    Filesize

    361KB

    MD5

    6d60068e31c6367a2b65155e24b6472a

    SHA1

    81086560b1f535396be1a20837be382832ddd887

    SHA256

    f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9

    SHA512

    7b61595c8a23dc60bf3e042281f112d0d3f78f42a72e340751c4dac7736700507939431d3b51238766fe3463c493aac653a832ca8425fce802ddf0ea0ee1ba42

  • C:\Windows\SysWOW64\Desktop Window Manager\dwm.exe

    Filesize

    361KB

    MD5

    6d60068e31c6367a2b65155e24b6472a

    SHA1

    81086560b1f535396be1a20837be382832ddd887

    SHA256

    f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9

    SHA512

    7b61595c8a23dc60bf3e042281f112d0d3f78f42a72e340751c4dac7736700507939431d3b51238766fe3463c493aac653a832ca8425fce802ddf0ea0ee1ba42

  • C:\Windows\SysWOW64\Desktop Window Manager\dwm.exe

    Filesize

    361KB

    MD5

    6d60068e31c6367a2b65155e24b6472a

    SHA1

    81086560b1f535396be1a20837be382832ddd887

    SHA256

    f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9

    SHA512

    7b61595c8a23dc60bf3e042281f112d0d3f78f42a72e340751c4dac7736700507939431d3b51238766fe3463c493aac653a832ca8425fce802ddf0ea0ee1ba42

  • \Windows\SysWOW64\Desktop Window Manager\dwm.exe

    Filesize

    361KB

    MD5

    6d60068e31c6367a2b65155e24b6472a

    SHA1

    81086560b1f535396be1a20837be382832ddd887

    SHA256

    f6f0eea51380f4970052737e2bb775b0ad47908493b2cec23d8b0e874edb5dc9

    SHA512

    7b61595c8a23dc60bf3e042281f112d0d3f78f42a72e340751c4dac7736700507939431d3b51238766fe3463c493aac653a832ca8425fce802ddf0ea0ee1ba42

  • memory/684-80-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

  • memory/684-76-0x0000000000000000-mapping.dmp

  • memory/684-90-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

  • memory/992-54-0x0000000076561000-0x0000000076563000-memory.dmp

    Filesize

    8KB

  • memory/992-72-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/992-55-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1536-87-0x000000000044872E-mapping.dmp

  • memory/1536-100-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

  • memory/1536-102-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

  • memory/1980-62-0x000000000044872E-mapping.dmp

  • memory/1980-74-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

  • memory/1980-71-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-68-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-64-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-63-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-60-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-59-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-57-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-101-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB

  • memory/1980-56-0x0000000000080000-0x00000000000CE000-memory.dmp

    Filesize

    312KB

  • memory/1980-103-0x0000000074A30000-0x0000000074FDB000-memory.dmp

    Filesize

    5.7MB