Analysis

  • max time kernel
    183s
  • max time network
    192s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2022, 01:48

General

  • Target

    567e0d50c4da1225d9512eae64286df27ea180081f6f3a48c8ef861db9ce7e73.exe

  • Size

    196KB

  • MD5

    611e2a808f54ea75760c59d4fa414570

  • SHA1

    100d74711ce6560347f37106ef9aa07c23914dbf

  • SHA256

    567e0d50c4da1225d9512eae64286df27ea180081f6f3a48c8ef861db9ce7e73

  • SHA512

    637d234227c059ecff96a059950a7e84a02b12269dca8f26472c25cd97b584f6146e8ff1638d8107e7246b0b2f678415be37ab2b9d184d462975f12835e83696

  • SSDEEP

    1536:OUaDbmpjK86rbrADTIXJzS+lfSBQk2WXhMdkR6NJvCXvPTE/txDDdi1+H:Ss44IXcYfSiKPP1+H

Malware Config

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • UPX packed file 6 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 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.

  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\567e0d50c4da1225d9512eae64286df27ea180081f6f3a48c8ef861db9ce7e73.exe
    "C:\Users\Admin\AppData\Local\Temp\567e0d50c4da1225d9512eae64286df27ea180081f6f3a48c8ef861db9ce7e73.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Users\Admin\Admin1\winlogon.exe
      "C:\Users\Admin\Admin1\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Windows\SysWOW64\svchost.exe
        0
        3⤵
        • Modifies security service
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • UAC bypass
        • Windows security bypass
        • Drops file in Drivers directory
        • Sets file execution options in registry
        • Adds Run key to start application
        • Modifies Internet Explorer settings
        • Modifies Internet Explorer start page
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1052
      • C:\Windows\SysWOW64\svchost.exe
        0
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:1008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Admin1\winlogon.exe

    Filesize

    196KB

    MD5

    611e2a808f54ea75760c59d4fa414570

    SHA1

    100d74711ce6560347f37106ef9aa07c23914dbf

    SHA256

    567e0d50c4da1225d9512eae64286df27ea180081f6f3a48c8ef861db9ce7e73

    SHA512

    637d234227c059ecff96a059950a7e84a02b12269dca8f26472c25cd97b584f6146e8ff1638d8107e7246b0b2f678415be37ab2b9d184d462975f12835e83696

  • \Users\Admin\Admin1\winlogon.exe

    Filesize

    196KB

    MD5

    611e2a808f54ea75760c59d4fa414570

    SHA1

    100d74711ce6560347f37106ef9aa07c23914dbf

    SHA256

    567e0d50c4da1225d9512eae64286df27ea180081f6f3a48c8ef861db9ce7e73

    SHA512

    637d234227c059ecff96a059950a7e84a02b12269dca8f26472c25cd97b584f6146e8ff1638d8107e7246b0b2f678415be37ab2b9d184d462975f12835e83696

  • \Users\Admin\Admin1\winlogon.exe

    Filesize

    196KB

    MD5

    611e2a808f54ea75760c59d4fa414570

    SHA1

    100d74711ce6560347f37106ef9aa07c23914dbf

    SHA256

    567e0d50c4da1225d9512eae64286df27ea180081f6f3a48c8ef861db9ce7e73

    SHA512

    637d234227c059ecff96a059950a7e84a02b12269dca8f26472c25cd97b584f6146e8ff1638d8107e7246b0b2f678415be37ab2b9d184d462975f12835e83696

  • memory/976-56-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/976-57-0x00000000756B1000-0x00000000756B3000-memory.dmp

    Filesize

    8KB

  • memory/976-62-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1008-80-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1052-66-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1052-69-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1052-73-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1052-82-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1052-83-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1700-65-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1700-85-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB