Analysis

  • max time kernel
    122s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24/01/2022, 00:51

General

  • Target
    e043c9c475ce6a24337f7eb6a5359a0a23d9c33d2d69d14dc70d94b20276c685.exe
  • Size 143KB
  • Sample220124-a7p21ahad9
  • SHA256 e043c9c475ce6a24337f7eb6a5359a0a23d9c33d2d69d14dc70d94b20276c685
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Enumerates connected drives 3 TTPs 24 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.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e043c9c475ce6a24337f7eb6a5359a0a23d9c33d2d69d14dc70d94b20276c685.exe
    "C:\Users\Admin\AppData\Local\Temp\e043c9c475ce6a24337f7eb6a5359a0a23d9c33d2d69d14dc70d94b20276c685.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3128
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:712
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2764-118-0x0000000000D20000-0x0000000000D2A000-memory.dmp

        memory/2764-119-0x0000000000DA0000-0x0000000000DC4000-memory.dmp

        memory/2764-120-0x0000000000DD0000-0x0000000000DF3000-memory.dmp

        memory/2764-121-0x0000000000DD0000-0x0000000000DF3000-memory.dmp