Resubmissions

26/07/2022, 07:12

220726-h1ld8sehcq10

24/02/2022, 11:15

220224-nczjvachd88

02/08/2021, 09:23

210802-dz94clans68

Analysis

  • max time kernel
    149s
  • max time network
    186s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    02/08/2021, 09:23

General

  • Target
    a9511cdaa96ed59de73a7a7c7dc375de204bee7a9511c5ee71bf013010324a91.exe
  • Size 497KB
  • Sample210802-dz94clans6
  • SHA256 a9511cdaa96ed59de73a7a7c7dc375de204bee7a9511c5ee71bf013010324a91
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 18 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9511cdaa96ed59de73a7a7c7dc375de204bee7a9511c5ee71bf013010324a91.exe
    "C:\Users\Admin\AppData\Local\Temp\a9511cdaa96ed59de73a7a7c7dc375de204bee7a9511c5ee71bf013010324a91.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\mcinsupd.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\mcinsupd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1848
  • C:\Program Files (x86)\McAfee VirusScan\mcinsupd.exe
    "C:\Program Files (x86)\McAfee VirusScan\mcinsupd.exe" 600 0
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe 601 0
      2⤵
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1308
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\system32\rundll32.exe 609 1308
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:916

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/916-85-0x0000000000250000-0x0000000000285000-memory.dmp

        memory/1036-80-0x0000000000240000-0x00000000002E0000-memory.dmp

        memory/1308-81-0x0000000000080000-0x0000000000082000-memory.dmp

        memory/1308-82-0x00000000001C0000-0x00000000001F5000-memory.dmp

        memory/1848-79-0x0000000000380000-0x00000000003B5000-memory.dmp

        memory/1848-78-0x0000000000250000-0x000000000026F000-memory.dmp

        memory/2004-59-0x0000000075511000-0x0000000075513000-memory.dmp