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Analysis
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max time kernel
132s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2023, 08:42
Behavioral task
behavioral1
Sample
Scan_17032023.doc
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Scan_17032023.doc
Resource
win10v2004-20230220-en
General
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Target
Scan_17032023.doc
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Size
510.4MB
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MD5
ef5b2bbcb1bd8bb27dd0fd1d0794c4e8
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SHA1
8c2453f3abb04d27434633d146a463a372468fde
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SHA256
91edddb0346f28936ecf7fc31fa3cb51cc2fa12dfbe1d9bdbf61827cf88178ca
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SHA512
32cd20e67fa7c39dda6df8d3141bb773cfc4a1a0fe761ad2382b5e07ab72af9908e99fbcf2e3327ee8353fff306987632faab6776dfb1b9912891697e87cc990
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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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 2436 3488 regsvr32.exe 84 -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 2436 regsvr32.exe 4732 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PizlqvcZxA.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\VxtHTH\\PizlqvcZxA.dll\"" regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Script User-Agent 5 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 35 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 38 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 40 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 54 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 33 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3488 WINWORD.EXE 3488 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2436 regsvr32.exe 2436 regsvr32.exe 4732 regsvr32.exe 4732 regsvr32.exe 4732 regsvr32.exe 4732 regsvr32.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3488 WINWORD.EXE 3488 WINWORD.EXE 3488 WINWORD.EXE 3488 WINWORD.EXE 3488 WINWORD.EXE 3488 WINWORD.EXE 3488 WINWORD.EXE 3488 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3488 wrote to memory of 2436 3488 WINWORD.EXE 91 PID 3488 wrote to memory of 2436 3488 WINWORD.EXE 91 PID 2436 wrote to memory of 4732 2436 regsvr32.exe 94 PID 2436 wrote to memory of 4732 2436 regsvr32.exe 94
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\Scan_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
PID:3488 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\094322.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\VxtHTH\PizlqvcZxA.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4732
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
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Filesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
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Filesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade