Overview

overview

10

Static

static

8

df86441dfe...73.exe

windows7-x64

10

df86441dfe...73.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 02:49

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General

  • Target

    df86441dfe542bae3693ae7560a2a8d92ad896c34433122d6840befa8ac0fa73.exe

  • Size

    246KB

  • MD5

    03ea1aeb4a745a68f02d1719ec2ea2b1

  • SHA1

    d40842ee4722210f01d1cb93df492ef6ccd16f4a

  • SHA256

    df86441dfe542bae3693ae7560a2a8d92ad896c34433122d6840befa8ac0fa73

  • SHA512

    3a16fe42fe2a9d4ca392877eed631d50fc42ce80f3c85446ff53a06ae59ff778110c8dbd5c6038957d78ef2f238ee7bd6d5178b917af9ca493b8e375bb090c20

  • SSDEEP

    6144:luMJWY+qaHEQCcYfSBYJbQCjRcqESEgm6Anhc1kG6EmRzx:l+YcUc6SBLLTSEgBAnhc1kGsx

Score
10/10
evasionpersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Modifies Installed Components in the registry 2 TTPs 6 IoCs
    persistence
  • UPX packed file 2 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df86441dfe542bae3693ae7560a2a8d92ad896c34433122d6840befa8ac0fa73.exe
    "C:\Users\Admin\AppData\Local\Temp\df86441dfe542bae3693ae7560a2a8d92ad896c34433122d6840befa8ac0fa73.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
          PID:2040
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2020
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
          3⤵
            PID:2016
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1960
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x584
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1420
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1676
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1952
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SendNotifyMessage
        PID:1604
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2016
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        PID:1976

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1676-64-0x000007FEF9311000-0x000007FEF9313000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1756-54-0x0000000076871000-0x0000000076873000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1756-55-0x0000000000400000-0x00000000004A5000-memory.dmp

        Filesize

        660KB

        Download

      • memory/1756-62-0x0000000000400000-0x00000000004A5000-memory.dmp

        Filesize

        660KB

        Download

      • memory/1960-63-0x000007FEFC0E1000-0x000007FEFC0E3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2016-67-0x000007FEF9111000-0x000007FEF9113000-memory.dmp

        Filesize

        8KB

        Download