Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 00:58

General

  • Target

    d4e108e8c6fcc46b796a4f38c7734343aa4a84eb75277bebc212383b69493e3c.exe

  • Size

    161KB

  • MD5

    91cb56f49b8ab508066623ce2eff9f6f

  • SHA1

    8e4bb045593eb19fb72d756349215e060b05c019

  • SHA256

    d4e108e8c6fcc46b796a4f38c7734343aa4a84eb75277bebc212383b69493e3c

  • SHA512

    eec032f97a96b82e6e981cc46843eabf20cdd7c132c89db3102eb1613940fd89d2a1ec04d57be2fadd9e32b46b5153f6221cb19c71f51c47956e55bd2e6e5a24

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.

  • Drops file in Windows directory 64 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4e108e8c6fcc46b796a4f38c7734343aa4a84eb75277bebc212383b69493e3c.exe
    "C:\Users\Admin\AppData\Local\Temp\d4e108e8c6fcc46b796a4f38c7734343aa4a84eb75277bebc212383b69493e3c.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1088
    • 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:776
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:384
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1088-54-0x00000000751B1000-0x00000000751B3000-memory.dmp
    Filesize

    8KB