Analysis

  • max time kernel
    177s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 19:07

General

  • Target

    cce8232f5bf28c3582ffb28fa70cdf37fab4209fbc8c59255d55ae76e97e15df.exe

  • Size

    152KB

  • MD5

    615e3c5306a1450aad5d8c90e3af40b0

  • SHA1

    ff427ff44cf25477d63782445137af60bbee71af

  • SHA256

    cce8232f5bf28c3582ffb28fa70cdf37fab4209fbc8c59255d55ae76e97e15df

  • SHA512

    4eb9da8ed088940bb47809b29d959dfd6b0553eb43584562261673ba304138c78d1c0892da0c5cd15bde77e15b0e42b96d43e63bfa9ea9f93df6284f4779922b

  • SSDEEP

    3072:Ur4dKA1qlsyqkFg4Vh574qBz9eStfG3Iq:VdKeosyqkWShd4qB59s

Score
8/10

Malware Config

Signatures

  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cce8232f5bf28c3582ffb28fa70cdf37fab4209fbc8c59255d55ae76e97e15df.exe
    "C:\Users\Admin\AppData\Local\Temp\cce8232f5bf28c3582ffb28fa70cdf37fab4209fbc8c59255d55ae76e97e15df.exe"
    1⤵
    • Checks computer location settings
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3776
    • C:\ProgramData\ftnnmv.exe
      "C:\ProgramData\ftnnmv.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:4700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\ftnnmv.exe

    Filesize

    152KB

    MD5

    615e3c5306a1450aad5d8c90e3af40b0

    SHA1

    ff427ff44cf25477d63782445137af60bbee71af

    SHA256

    cce8232f5bf28c3582ffb28fa70cdf37fab4209fbc8c59255d55ae76e97e15df

    SHA512

    4eb9da8ed088940bb47809b29d959dfd6b0553eb43584562261673ba304138c78d1c0892da0c5cd15bde77e15b0e42b96d43e63bfa9ea9f93df6284f4779922b

  • C:\ProgramData\ftnnmv.exe

    Filesize

    152KB

    MD5

    615e3c5306a1450aad5d8c90e3af40b0

    SHA1

    ff427ff44cf25477d63782445137af60bbee71af

    SHA256

    cce8232f5bf28c3582ffb28fa70cdf37fab4209fbc8c59255d55ae76e97e15df

    SHA512

    4eb9da8ed088940bb47809b29d959dfd6b0553eb43584562261673ba304138c78d1c0892da0c5cd15bde77e15b0e42b96d43e63bfa9ea9f93df6284f4779922b

  • C:\Users\Admin\AppData\Local\Temp\cscomp.dll

    Filesize

    1.1MB

    MD5

    0a4d31f546acc7c2a5c2dec582d53c7f

    SHA1

    4c77d7e2d3ebb3c8185a15be79f64ee99525b866

    SHA256

    272546445ca44ae08698851ab44cec74c1610dc7662f3cfcb234559f0ab353b3

    SHA512

    625bc746ecc15965140d49802dd5e0b8481c4f929b355c986cd5aef4e172ff07d0630d9dd9734bb3ca623eb947fd7619a4bef3c5dbde5d8020e8ff640784ad5b

  • C:\Users\Admin\AppData\Local\Temp\qmnk3zha.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • memory/3776-132-0x0000000075410000-0x00000000759C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3776-133-0x0000000075410000-0x00000000759C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3776-139-0x0000000075410000-0x00000000759C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4700-134-0x0000000000000000-mapping.dmp

  • memory/4700-140-0x0000000075410000-0x00000000759C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4700-141-0x0000000075410000-0x00000000759C1000-memory.dmp

    Filesize

    5.7MB