Analysis

  • max time kernel
    64s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06-05-2021 06:11

General

  • Target

    5b6e0ad1b996da7f22e6c55d2338b53f.exe

  • Size

    831KB

  • MD5

    5b6e0ad1b996da7f22e6c55d2338b53f

  • SHA1

    85e19f4fe4f6372e945526106532daa1b9eddb63

  • SHA256

    27ac1959b9c2137b608a59a1cdfbad3d398941c92f590a1d92a9fbe004d27ef9

  • SHA512

    7fa2e467bacb284985d1410e8c0cacb176bc5edfc425d93ff7ced7b44ae4fd3e1284289574da3c59427ed3f0aeeb22ff55909dcbbcf65da0a172c41297aabd60

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 14 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b6e0ad1b996da7f22e6c55d2338b53f.exe
    "C:\Users\Admin\AppData\Local\Temp\5b6e0ad1b996da7f22e6c55d2338b53f.exe"
    1⤵
    • Modifies system certificate store
    PID:3100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 864
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 892
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 828
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1116
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1080
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1108
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1460
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1660
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1680
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1076
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1436
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1632
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 1388
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 912
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2516

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/3100-114-0x0000000002230000-0x000000000234A000-memory.dmp
    Filesize

    1.1MB

  • memory/3100-115-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB