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Analysis

  • max time kernel
    157s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2022, 05:16

General

  • Target

    2022-11-04_0616.xls

  • Size

    217KB

  • MD5

    da4d6f1eb1224f7d5f563e86bebbf1fd

  • SHA1

    2cb3bb03a947a26f52b5c6714e609f8861d50daf

  • SHA256

    a04ad34d45b524a88a07f24983d8392bf5a930a4c7577db33f2e0c916778127d

  • SHA512

    2365cbf093cd251fae9c923e2ba940849c82d35f6d08348f0a662e2ef8205920cfd7eda3ad0aff290a3cb124009d622e7dc6bec5537f46b59ad65de1e25c68f5

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm71nT:1bGUMVWlb9

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/

xlm40.dropper

http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/

xlm40.dropper

http://sourcecool.com/throng/iOD/

xlm40.dropper

http://www.stickers-et-deco.com/Adapter/lYw/

Extracted

Family

emotet

Botnet

Epoch4

C2

45.235.8.30:8080

94.23.45.86:4143

119.59.103.152:8080

169.60.181.70:8080

164.68.99.3:8080

172.105.226.75:8080

107.170.39.149:8080

206.189.28.199:8080

1.234.2.232:8080

188.44.20.25:443

186.194.240.217:443

103.43.75.120:443

149.28.143.92:443

159.89.202.34:443

209.97.163.214:443

183.111.227.137:8080

129.232.188.93:443

139.59.126.41:443

110.232.117.186:8080

139.59.56.73:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Loads dropped DLL 4 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2022-11-04_0616.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\system32\regsvr32.exe
        /S ..\oxnv1.ooccxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RyvYFtiNgFTeT\zkinsyaaDdCkc.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:764
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1848
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1328
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\system32\regsvr32.exe
        /S ..\oxnv4.ooccxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:992
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\LVaeqXuTKJAbmwL\WuVQqrw.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    745KB

    MD5

    806da2b6fcd0719f65918626c7242795

    SHA1

    42c6494befd5794a3cda47471359a7f7869cc02d

    SHA256

    ad88e3ae540259d402dbb2ea4d969cd8be1ee9a89c2f8b8da453eff3392d79c1

    SHA512

    f092cf84f470ec066e84979ee0ee81787154643738ee4a3f6ee8f056bb69f279c495be646512019db47122be80d67f7cbf77934107acaed73e0ad06c0df7fe8f

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    745KB

    MD5

    94b348d34a253f4d369a9dfdaefa0d79

    SHA1

    394b6b84a0c749af61a214314a7b9891d62a3eda

    SHA256

    80902209afe303dafe32700d38ea8f980d00b8d9731a397c0221e3ca16cd0820

    SHA512

    8ba4074d93a820b0575116dd85e44438bdcc538fe3e02e119c1c799b1edd7f22e1532135f3083ce7a6b4fc6b7388039d4d6c458fc404289ee79cc5a2aab8e56a

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    745KB

    MD5

    806da2b6fcd0719f65918626c7242795

    SHA1

    42c6494befd5794a3cda47471359a7f7869cc02d

    SHA256

    ad88e3ae540259d402dbb2ea4d969cd8be1ee9a89c2f8b8da453eff3392d79c1

    SHA512

    f092cf84f470ec066e84979ee0ee81787154643738ee4a3f6ee8f056bb69f279c495be646512019db47122be80d67f7cbf77934107acaed73e0ad06c0df7fe8f

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    745KB

    MD5

    806da2b6fcd0719f65918626c7242795

    SHA1

    42c6494befd5794a3cda47471359a7f7869cc02d

    SHA256

    ad88e3ae540259d402dbb2ea4d969cd8be1ee9a89c2f8b8da453eff3392d79c1

    SHA512

    f092cf84f470ec066e84979ee0ee81787154643738ee4a3f6ee8f056bb69f279c495be646512019db47122be80d67f7cbf77934107acaed73e0ad06c0df7fe8f

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    745KB

    MD5

    94b348d34a253f4d369a9dfdaefa0d79

    SHA1

    394b6b84a0c749af61a214314a7b9891d62a3eda

    SHA256

    80902209afe303dafe32700d38ea8f980d00b8d9731a397c0221e3ca16cd0820

    SHA512

    8ba4074d93a820b0575116dd85e44438bdcc538fe3e02e119c1c799b1edd7f22e1532135f3083ce7a6b4fc6b7388039d4d6c458fc404289ee79cc5a2aab8e56a

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    745KB

    MD5

    94b348d34a253f4d369a9dfdaefa0d79

    SHA1

    394b6b84a0c749af61a214314a7b9891d62a3eda

    SHA256

    80902209afe303dafe32700d38ea8f980d00b8d9731a397c0221e3ca16cd0820

    SHA512

    8ba4074d93a820b0575116dd85e44438bdcc538fe3e02e119c1c799b1edd7f22e1532135f3083ce7a6b4fc6b7388039d4d6c458fc404289ee79cc5a2aab8e56a

  • memory/432-66-0x0000000180000000-0x000000018002F000-memory.dmp

    Filesize

    188KB

  • memory/432-64-0x000007FEFC281000-0x000007FEFC283000-memory.dmp

    Filesize

    8KB

  • memory/1996-74-0x0000000072A5D000-0x0000000072A68000-memory.dmp

    Filesize

    44KB

  • memory/1996-54-0x000000002FFE1000-0x000000002FFE4000-memory.dmp

    Filesize

    12KB

  • memory/1996-58-0x0000000076171000-0x0000000076173000-memory.dmp

    Filesize

    8KB

  • memory/1996-57-0x0000000072A5D000-0x0000000072A68000-memory.dmp

    Filesize

    44KB

  • memory/1996-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1996-55-0x0000000071A71000-0x0000000071A73000-memory.dmp

    Filesize

    8KB