Analysis
-
max time kernel
149s -
max time network
131s -
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 17:43
Behavioral task
behavioral1
Sample
MES 09389.doc
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
MES 09389.doc
Resource
win10v2004-20230220-en
General
-
Target
MES 09389.doc
-
Size
527.3MB
-
MD5
9812e2e9d12e0c2e91fd48010c460be2
-
SHA1
7719a519d0abc227a34927c7f3318f593da53aa5
-
SHA256
2a55a403f32b632f999e7c57402c760b6f75236a31d91dd635a72bee7326c08d
-
SHA512
606200c860db6776dcc3ca1a908c56dc36100ac8ba3cf66517500f4fb4b270c1f9efdae44276b1d23ae099e7a36fb9b2484a257d5038b1e18923973e24105f30
-
SSDEEP
6144:ip32/gDd0Nmt71wFmSWjfDrV8YQnZocbyrX4NqclWL9:ip32SEmtJwFmhjfPtrXqqyW
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
-
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 4396 2576 regsvr32.exe WINWORD.EXE -
Downloads MZ/PE file
-
Loads dropped DLL 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4396 regsvr32.exe 60 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\ihcmIwApXqvi.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\GuDRDdjjF\\ihcmIwApXqvi.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 44 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 2576 WINWORD.EXE 2576 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4396 regsvr32.exe 4396 regsvr32.exe 60 regsvr32.exe 60 regsvr32.exe 60 regsvr32.exe 60 regsvr32.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 2576 WINWORD.EXE 2576 WINWORD.EXE 2576 WINWORD.EXE 2576 WINWORD.EXE 2576 WINWORD.EXE 2576 WINWORD.EXE 2576 WINWORD.EXE 2576 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 2576 wrote to memory of 4396 2576 WINWORD.EXE regsvr32.exe PID 2576 wrote to memory of 4396 2576 WINWORD.EXE regsvr32.exe PID 4396 wrote to memory of 60 4396 regsvr32.exe regsvr32.exe PID 4396 wrote to memory of 60 4396 regsvr32.exe regsvr32.exe
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\MES 09389.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:2576 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\174530.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\GuDRDdjjF\ihcmIwApXqvi.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:60
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\174530.tmpFilesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
-
C:\Users\Admin\AppData\Local\Temp\174530.tmpFilesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
-
C:\Windows\System32\GuDRDdjjF\ihcmIwApXqvi.dllFilesize
561KB
MD5c901c8089c5e017f8e9b4b15c8ef154f
SHA1336c2bea43bfa2e8afd27a164dba640f36c0013c
SHA256fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a
SHA5129ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade
-
memory/2576-186-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-135-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-138-0x00007FFAB9070000-0x00007FFAB9080000-memory.dmpFilesize
64KB
-
memory/2576-139-0x00007FFAB9070000-0x00007FFAB9080000-memory.dmpFilesize
64KB
-
memory/2576-137-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-136-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-133-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-134-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-188-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-187-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/2576-189-0x00007FFABB730000-0x00007FFABB740000-memory.dmpFilesize
64KB
-
memory/4396-154-0x0000000002DF0000-0x0000000002E1C000-memory.dmpFilesize
176KB
-
memory/4396-155-0x00000000013E0000-0x00000000013E1000-memory.dmpFilesize
4KB