Overview

overview

8

Static

static

adf97fa5f3...30.exe

windows7-x64

8

adf97fa5f3...30.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 04:10

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General

  • Target

    adf97fa5f3b97d5cfcebc1b563c8a90e4ade92d080004579073846dfa6a21630.exe

  • Size

    255KB

  • MD5

    473e9df936b3c1c90b293fe6904fe58b

  • SHA1

    ce3ddad6ddd85d255606b223d86b92f46bf7e540

  • SHA256

    adf97fa5f3b97d5cfcebc1b563c8a90e4ade92d080004579073846dfa6a21630

  • SHA512

    7826cdc4502f15fe76432c716782bd777b775a581852eb28396cafcc039e27c7c6ba4c8bda8ce546f5a1df3aeb2b0e4389b5547d18699dbc4c3911657ef89d1c

  • SSDEEP

    6144:7UnITMpSph0lMqqgWoDhujqcQQbxJhVGvkVbOcH4CIM4:7CQMY07qgWo6VVGvkVLAF

Score
8/10
persistenceupx

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Registers COM server for autorun 1 TTPs 4 IoCs
    persistence
  • UPX packed file 6 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\adf97fa5f3b97d5cfcebc1b563c8a90e4ade92d080004579073846dfa6a21630.exe
    "C:\Users\Admin\AppData\Local\Temp\adf97fa5f3b97d5cfcebc1b563c8a90e4ade92d080004579073846dfa6a21630.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Roaming\Carefree\plugin.dat"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4952
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Users\Admin\AppData\Roaming\Carefree\plugin.dat"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Modifies registry class
        PID:4868
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Loads dropped DLL
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:5000
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4816
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1672

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Carefree\plugin.dat
    Filesize

    95KB

    MD5

    52986033cb6de5efa17db38199b6686b

    SHA1

    30d902cfeabefba7f1f181d50ddef7f6f9920a7b

    SHA256

    7941fc8083303c47839c6b212706228d1ba425350ee69b29e1d8863c291a86f7

    SHA512

    619a112884d9dc2f6c2c6f18a1e2b6133315262d44e5057dd4880b122663ac1686e1a48baafcc88b189b875e81f21f53bc0b48cbe4ab3a544aa4137fecb40af1

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Carefree\plugin.dat
    Filesize

    95KB

    MD5

    52986033cb6de5efa17db38199b6686b

    SHA1

    30d902cfeabefba7f1f181d50ddef7f6f9920a7b

    SHA256

    7941fc8083303c47839c6b212706228d1ba425350ee69b29e1d8863c291a86f7

    SHA512

    619a112884d9dc2f6c2c6f18a1e2b6133315262d44e5057dd4880b122663ac1686e1a48baafcc88b189b875e81f21f53bc0b48cbe4ab3a544aa4137fecb40af1

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Carefree\plugin.dat
    Filesize

    95KB

    MD5

    52986033cb6de5efa17db38199b6686b

    SHA1

    30d902cfeabefba7f1f181d50ddef7f6f9920a7b

    SHA256

    7941fc8083303c47839c6b212706228d1ba425350ee69b29e1d8863c291a86f7

    SHA512

    619a112884d9dc2f6c2c6f18a1e2b6133315262d44e5057dd4880b122663ac1686e1a48baafcc88b189b875e81f21f53bc0b48cbe4ab3a544aa4137fecb40af1

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Carefree\plugin.dat
    Filesize

    95KB

    MD5

    52986033cb6de5efa17db38199b6686b

    SHA1

    30d902cfeabefba7f1f181d50ddef7f6f9920a7b

    SHA256

    7941fc8083303c47839c6b212706228d1ba425350ee69b29e1d8863c291a86f7

    SHA512

    619a112884d9dc2f6c2c6f18a1e2b6133315262d44e5057dd4880b122663ac1686e1a48baafcc88b189b875e81f21f53bc0b48cbe4ab3a544aa4137fecb40af1

    Download Submit

  • C:\Users\Admin\AppData\Roaming\SogouPinyin.local
    Filesize

    89B

    MD5

    07d21e580ee9d0c63511e7759c6eb230

    SHA1

    319946d2ca0c3d7c14e5f3a54849a87a84a00121

    SHA256

    dba91413d5714304be258049f6f80a53ac96455ce00431027aa1235ea716b70a

    SHA512

    6a3d7c70e465c8319c9019d52cbf6f19d32e73b92dc9dde053eb5c400557c57acee68e3eab3f5274ccab642d0b397ac504c5003bdb7c7e15d3e3573019796530

    Download Submit

  • memory/4816-150-0x00000245ECCB0000-0x00000245ECCB8000-memory.dmp

    Filesize

    32KB

    Download

  • memory/4816-155-0x00000245ED920000-0x00000245ED940000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4816-159-0x00000245FEB70000-0x00000245FEC70000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/4816-161-0x00000245EDFE0000-0x00000245EE000000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4816-169-0x00000245EE820000-0x00000245EE840000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4868-135-0x0000000000000000-mapping.dmp

    Download

  • memory/4952-132-0x0000000000000000-mapping.dmp

    Download

  • memory/5000-139-0x00007FF8FAA80000-0x00007FF8FAAED000-memory.dmp

    Filesize

    436KB

    Download

  • memory/5000-140-0x00007FF8FAA80000-0x00007FF8FAAED000-memory.dmp

    Filesize

    436KB

    Download