Analysis
- max time kernel
143s - max time network
152s - platform
windows10-1703_x64 - resource
win10-20230220-en - resource tags
- submitted
14/03/2023, 11:16
General
- Target 7cdf7e28dd6cb9f66354d9d50b53252731e778781abd76260ea9d1f01dc30e94.doc
- Size 513.4MB
- Sample230314-ndaxwafa83
- SHA256 7cdf7e28dd6cb9f66354d9d50b53252731e778781abd76260ea9d1f01dc30e94
Malware Config
Extracted
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emotet
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Epoch5
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103.85.95.4:8080
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103.224.241.74:8080
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178.238.225.252:8080
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37.59.103.148:8080
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78.47.204.80:443
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138.197.14.67:8080
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128.199.242.164:8080
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54.37.228.122:443
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37.44.244.177:8080
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139.59.80.108:8080
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218.38.121.17:443
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82.98.180.154:7080
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114.79.130.68:443
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159.65.135.222:7080
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174.138.33.49:7080
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195.77.239.39:8080
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193.194.92.175:443
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198.199.70.22:8080
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85.214.67.203:8080
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93.84.115.205:7080
Signatures
- Emotet
Emotet is a trojan that is primarily spread through spam emails.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Loads dropped DLL 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\7cdf7e28dd6cb9f66354d9d50b53252731e778781abd76260ea9d1f01dc30e94.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\121748.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\AysiGVdLMuE\BmYjWKW.dll"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
121748.tmp
121749.zip
121748.tmp
memory/3952-333-0x0000000000F10000-0x0000000000F11000-memory.dmp
memory/3952-329-0x00000000027A0000-0x00000000027CC000-memory.dmp
memory/4152-126-0x00007FFC20050000-0x00007FFC20060000-memory.dmp
memory/4152-127-0x00007FFC20050000-0x00007FFC20060000-memory.dmp
memory/4152-286-0x000002D1202D0000-0x000002D120418000-memory.dmp
memory/4152-120-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp
memory/4152-123-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp
memory/4152-122-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp
memory/4152-121-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp
memory/4152-459-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp
memory/4152-458-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp
memory/4152-460-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp
memory/4152-461-0x00007FFC23BC0000-0x00007FFC23BD0000-memory.dmp