Analysis

  • max time kernel
    64s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06-05-2021 02:46

General

  • Target

    e42ddb0cabb9a77219150f59ff4aa95f.exe

  • Size

    830KB

  • MD5

    e42ddb0cabb9a77219150f59ff4aa95f

  • SHA1

    4f5e306cc8e24230915dc53f15efeefc5e9f0609

  • SHA256

    f896070688915d517ec78e784f370089c15b012806dd3a3d33557e2bc3d44e2c

  • SHA512

    2b5b5583d8db653881355afa774c51b06d1a21311148dc370af9f7ad2a1e3e69d36fc355eb1e1152bea649023632082488ea6246a1cf07024af572779ee33cff

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\e42ddb0cabb9a77219150f59ff4aa95f.exe
    "C:\Users\Admin\AppData\Local\Temp\e42ddb0cabb9a77219150f59ff4aa95f.exe"
    1⤵
    • Modifies system certificate store
    PID:3456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 872
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 880
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 936
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1004
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1120
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1132
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1452
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1636
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1680
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1740
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1780
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3160
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1408
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1740
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 836
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

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/3456-114-0x0000000002220000-0x000000000233A000-memory.dmp
    Filesize

    1.1MB

  • memory/3456-115-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB