Resubmissions

27/08/2021, 12:04

210827-hvy113ngfa10

30/07/2021, 20:47

210730-t1tsaf1b7j10

Analysis

  • max time kernel
    307s
  • max time network
    1448s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27/08/2021, 12:04

General

  • Target
    spot.dll
  • Size 166KB
  • Sample210827-hvy113ngfa
  • SHA256 1672ce53464329f5bd8d8039606f782d4958fa5541932e2b1726bdcedc0b0d88
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • cobaltstrike

C2
  • http://spotver.com:443/components/case.mp3

Attributes
  • user_agent

    Host: mail.ru Connection: close Accept: image/jpeg User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\spot.dll
    1⤵
      PID:3008
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3008 -s 1324
        2⤵
        • Suspicious use of NtCreateProcessExOtherParentProcess
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3896

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3008-114-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

          memory/3008-115-0x0000000003190000-0x0000000003590000-memory.dmp