Analysis

  • max time kernel
    169s
  • max time network
    184s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 00:58

General

  • Target

    d4e89180e559721e6bcd9c03549d540282c3774bdd6ae61a61d57a23c10fc299.exe

  • Size

    157KB

  • MD5

    cb10b8ae80227663ab17ab7b206c3057

  • SHA1

    3eb865331bf14ce7c22cd7464928432285820824

  • SHA256

    d4e89180e559721e6bcd9c03549d540282c3774bdd6ae61a61d57a23c10fc299

  • SHA512

    72c2ebce70ea3b6c76b4ce84171ce28bdd322f9caae94eba7ac491e134fb67c953738dda4a52efe869874b731a28d711887a6957ff24d2376c0c505b300a4b89

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4e89180e559721e6bcd9c03549d540282c3774bdd6ae61a61d57a23c10fc299.exe
    "C:\Users\Admin\AppData\Local\Temp\d4e89180e559721e6bcd9c03549d540282c3774bdd6ae61a61d57a23c10fc299.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:832
    • 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:404
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:3100
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/832-118-0x00000000004A0000-0x00000000005EA000-memory.dmp
    Filesize

    1.3MB

  • memory/832-119-0x00000000004A0000-0x00000000005EA000-memory.dmp
    Filesize

    1.3MB

  • memory/832-120-0x0000000002070000-0x0000000002071000-memory.dmp
    Filesize

    4KB

  • memory/832-121-0x0000000002080000-0x0000000002081000-memory.dmp
    Filesize

    4KB

  • memory/832-122-0x00000000022E0000-0x00000000022E6000-memory.dmp
    Filesize

    24KB