Analysis
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max time kernel
101s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
17-03-2023 12:31
Behavioral task
behavioral1
Sample
PACK_17032023.doc
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PACK_17032023.doc
Resource
win10v2004-20230221-en
General
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Target
PACK_17032023.doc
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Size
500.4MB
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MD5
49eefe33788acc0e57e31b3a8eb7a63b
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SHA1
8793111a1e2c0541d2c2d38656070c5de5384485
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SHA256
5884e1f432fd4f6532a3101e3c304b122486f11888f473e6ec581435aeece127
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SHA512
5ca2f61c59ba96c6d0dff74275f257b4da22e293412704a597f8ab6ce19d0385f400e4d23ee0632ecb8c33cf698a5ded8edfa1584a54e5fa462b6b3aa2331853
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SSDEEP
6144:zZRtBPT4N/uQaNULlPUvauNTklB7ShcbYdFf8UOPv:zZvJhfKd2amwYdKUq
Malware Config
Extracted
emotet
Epoch5
103.85.95.4:8080
103.224.241.74:8080
178.238.225.252:8080
37.59.103.148:8080
78.47.204.80:443
138.197.14.67:8080
128.199.242.164:8080
54.37.228.122:443
37.44.244.177:8080
139.59.80.108:8080
218.38.121.17:443
82.98.180.154:7080
114.79.130.68:443
159.65.135.222:7080
174.138.33.49:7080
195.77.239.39:8080
193.194.92.175:443
198.199.70.22:8080
85.214.67.203:8080
93.84.115.205:7080
186.250.48.5:443
46.101.98.60:8080
160.16.143.191:8080
64.227.55.231:8080
175.126.176.79:8080
85.25.120.45:8080
178.62.112.199:8080
185.148.169.10:8080
128.199.217.206:443
103.41.204.169:8080
209.239.112.82:8080
202.28.34.99:8080
139.196.72.155:8080
87.106.97.83:7080
93.104.209.107:8080
104.244.79.94:443
115.178.55.22:80
83.229.80.93:8080
103.254.12.236:7080
62.171.178.147:8080
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 4532 4444 regsvr32.exe WINWORD.EXE -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4532 regsvr32.exe 4664 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oMORjlasy.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\QZFsbZcwbVtIYRaCr\\oMORjlasy.dll\"" regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 54 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4444 WINWORD.EXE 4444 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4532 regsvr32.exe 4532 regsvr32.exe 4664 regsvr32.exe 4664 regsvr32.exe 4664 regsvr32.exe 4664 regsvr32.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 4444 WINWORD.EXE 4444 WINWORD.EXE 4444 WINWORD.EXE 4444 WINWORD.EXE 4444 WINWORD.EXE 4444 WINWORD.EXE 4444 WINWORD.EXE 4444 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 4444 wrote to memory of 4532 4444 WINWORD.EXE regsvr32.exe PID 4444 wrote to memory of 4532 4444 WINWORD.EXE regsvr32.exe PID 4532 wrote to memory of 4664 4532 regsvr32.exe regsvr32.exe PID 4532 wrote to memory of 4664 4532 regsvr32.exe regsvr32.exe
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\PACK_17032023.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- 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\133225.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\QZFsbZcwbVtIYRaCr\oMORjlasy.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\133225.tmpFilesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
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C:\Users\Admin\AppData\Local\Temp\133225.tmpFilesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
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C:\Windows\System32\QZFsbZcwbVtIYRaCr\oMORjlasy.dllFilesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
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memory/4444-186-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-137-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-138-0x00007FFA92070000-0x00007FFA92080000-memory.dmpFilesize
64KB
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memory/4444-139-0x00007FFA92070000-0x00007FFA92080000-memory.dmpFilesize
64KB
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memory/4444-136-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-134-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-135-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-133-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-187-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-188-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4444-189-0x00007FFA94230000-0x00007FFA94240000-memory.dmpFilesize
64KB
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memory/4532-154-0x0000000002DF0000-0x0000000002E1C000-memory.dmpFilesize
176KB
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memory/4532-157-0x0000000002DB0000-0x0000000002DB1000-memory.dmpFilesize
4KB