Analysis

  • max time kernel
    71s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    04-05-2021 14:58

General

  • Target

    7D1E.exe

  • Size

    823KB

  • MD5

    98aeb8fcd1eae79f983087721305aa9f

  • SHA1

    87c013f1cd71a20836c5a2ba7f7206ce1fd64a5f

  • SHA256

    712e9e9e2976782e38288d45a2d177f1dc3757c7610b4b9bae9e35be9f20b913

  • SHA512

    bd470e8e0ec1042cc6cdea479e23aa41ee3698b2c383dbdb32f5333cb734d5bfcb49128be854829c54cd4e1f78c0566387675913d6dd196cc3a9221501419b2e

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\7D1E.exe
    "C:\Users\Admin\AppData\Local\Temp\7D1E.exe"
    1⤵
    • Modifies system certificate store
    PID:648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 868
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 880
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 920
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1040
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1128
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1140
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1452
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1660
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1704
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1456
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1276
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1628
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 1656
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 868
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3584

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/648-114-0x0000000002370000-0x000000000248A000-memory.dmp
    Filesize

    1.1MB

  • memory/648-115-0x0000000000400000-0x0000000000537000-memory.dmp
    Filesize

    1.2MB