Overview

overview

10

Static

static

10

a22c5e4a7e...32.exe

windows7_x64

10

a22c5e4a7e...32.exe

windows10_x64

10

Analysis

  • max time kernel
    132s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:26

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General

  • Target

    a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332.exe

  • Size

    161KB

  • MD5

    70de91644acaf42fdc6a946548f89c02

  • SHA1

    595c965cf5aca5047ccdd939a5626451d6703e19

  • SHA256

    a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332

  • SHA512

    cc80c0fdd4f83f774785dce0f1830fd85da6a68504b811d794c2f257350680901ff29335ba2ca40f476682576b026849e6c95ab6ec5eb04fb6ae8aa3a4b5cf21

Score
10/10
sodinokibiransomware

Malware Config

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

    ransomwaresodinokibi
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • 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.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332.exe
    "C:\Users\Admin\AppData\Local\Temp\a22c5e4a7eaa86c4e4b1f9c14ac3d8ca9bd5748129a74189ce9c132dae934332.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1556
    • 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:572
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:980
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:272

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

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Downloads

  • memory/1556-55-0x00000000756C1000-0x00000000756C3000-memory.dmp
    Filesize

    8KB

    Download