Analysis

  • max time kernel
    167s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 01:26

General

  • Target

    949fae98b348c681b12e5aa825316313e1d161e7a4d93e3062d97be310404f65.exe

  • Size

    66KB

  • MD5

    b5f8b0a1e57ea0bebe817de50e3b34b7

  • SHA1

    f2955890b2aef6f7ad29ed3a2efea425e1851fea

  • SHA256

    949fae98b348c681b12e5aa825316313e1d161e7a4d93e3062d97be310404f65

  • SHA512

    95e82028bc3de2885caaa316787eb056e06fa6b599d98b6e35505bd77a56a300c8bb5197cacf3332fe26008f432654aefc1fdcbbb6ddb5aa0b316d7f16f10899

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\949fae98b348c681b12e5aa825316313e1d161e7a4d93e3062d97be310404f65.exe
    "C:\Users\Admin\AppData\Local\Temp\949fae98b348c681b12e5aa825316313e1d161e7a4d93e3062d97be310404f65.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:988
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/864-55-0x0000000075421000-0x0000000075423000-memory.dmp

    Filesize

    8KB