Resubmissions
07/03/2023, 21:18
230307-z5p2nabe8y1007/03/2023, 20:15
230307-y1kqpsbg321007/03/2023, 12:20
230307-phtffshc7w10Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
07/03/2023, 12:20
General
- Target INVOICE VL18998 07 March 23.doc
- Size 506.2MB
- Sample230307-phtffshc7w
- SHA256 cb638551632b271c9993266834e78a2c9a64a4b9deb8590497b0901f1044e6ff
Malware Config
Extracted
-
emotet
-
Epoch4
-
129.232.188.93:443
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164.90.222.65:443
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159.65.88.10:8080
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172.105.226.75:8080
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115.68.227.76:8080
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187.63.160.88:80
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169.57.156.166:8080
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185.4.135.165:8080
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153.126.146.25:7080
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197.242.150.244:8080
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139.59.126.41:443
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186.194.240.217:443
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103.132.242.26:8080
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206.189.28.199:8080
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163.44.196.120:8080
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95.217.221.146:8080
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159.89.202.34:443
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119.59.103.152:8080
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183.111.227.137:8080
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201.94.166.162:443
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 3 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 6 IoCs
- Suspicious use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
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\INVOICE VL18998 07 March 23.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\132219.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\XNEcA\vKuSvWTgUjOIu.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
132219.tmp
132219.tmp
132219.tmp
132222.zip
vKuSvWTgUjOIu.dll
memory/2208-178-0x0000000180000000-0x000000018002D000-memory.dmp
memory/2208-176-0x0000000002330000-0x00000000023E4000-memory.dmp
memory/2208-184-0x00000000005F0000-0x00000000005F1000-memory.dmp
memory/2208-185-0x0000000002330000-0x00000000023E4000-memory.dmp
memory/4156-191-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/4980-139-0x00007FFCF9860000-0x00007FFCF9870000-memory.dmp
memory/4980-138-0x00007FFCF9860000-0x00007FFCF9870000-memory.dmp
memory/4980-137-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp
memory/4980-136-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp
memory/4980-135-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp
memory/4980-133-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp
memory/4980-134-0x00007FFCFC030000-0x00007FFCFC040000-memory.dmp