Analysis

  • max time kernel
    145s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    30-01-2022 08:04

General

  • Target

    0f58625addd69f66282924298d843f12f7c2dc2e4d6571952830b880c08cdfee.exe

  • Size

    139KB

  • MD5

    f89c4e63b3ad5dcc550ca20afb4e8be3

  • SHA1

    63379dd5a69d289df9f52affcf9c0dfe100800fa

  • SHA256

    0f58625addd69f66282924298d843f12f7c2dc2e4d6571952830b880c08cdfee

  • SHA512

    438c307f53e14c75c43b998f066367ec7ccec3511422bb11c2695941c1aee89cc0fc5a46a975fd96b62d082e8547f04df0e6222c450b7cedea9633cabce8523f

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\0f58625addd69f66282924298d843f12f7c2dc2e4d6571952830b880c08cdfee.exe
    "C:\Users\Admin\AppData\Local\Temp\0f58625addd69f66282924298d843f12f7c2dc2e4d6571952830b880c08cdfee.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1876
    • 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:652
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1496
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:816

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1876-54-0x0000000076001000-0x0000000076003000-memory.dmp
    Filesize

    8KB