Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2023, 06:35
Behavioral task
behavioral1
Sample
report 03 08 2023.doc
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
report 03 08 2023.doc
Resource
win10v2004-20230220-en
General
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Target
report 03 08 2023.doc
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Size
522.3MB
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MD5
2148a6a2bef5a35ce5665cbc12d5e474
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SHA1
2e87b33309c888ab7d655e92a45a31f15753fdee
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SHA256
f616da0ebb4f984aecd40da922c0cdf70987643a86afadc969aa76598120cd5d
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SHA512
fb232985018569cdbba001273278a6128af1395e1dc4631b023a0c49fefffd43a93dd6b0332c2cc634aa87d850ea2866614cacb6b064e57f4d48c7b41b60ea4c
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SSDEEP
6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x
Malware Config
Extracted
emotet
Epoch4
129.232.188.93:443
164.90.222.65:443
159.65.88.10:8080
172.105.226.75:8080
115.68.227.76:8080
187.63.160.88:80
169.57.156.166:8080
185.4.135.165:8080
153.126.146.25:7080
197.242.150.244:8080
139.59.126.41:443
186.194.240.217:443
103.132.242.26:8080
206.189.28.199:8080
163.44.196.120:8080
95.217.221.146:8080
159.89.202.34:443
119.59.103.152:8080
183.111.227.137:8080
201.94.166.162:443
103.75.201.2:443
149.56.131.28:8080
79.137.35.198:8080
5.135.159.50:443
66.228.32.31:7080
91.121.146.47:8080
153.92.5.27:8080
45.235.8.30:8080
72.15.201.15:8080
107.170.39.149:8080
45.176.232.124:443
82.223.21.224:8080
167.172.199.165:8080
213.239.212.5:443
202.129.205.3:8080
94.23.45.86:4143
147.139.166.154:8080
167.172.253.162:8080
91.207.28.33:8080
188.44.20.25:443
104.168.155.143:8080
110.232.117.186:8080
164.68.99.3:8080
1.234.2.232:8080
173.212.193.249:8080
182.162.143.56:443
160.16.142.56:8080
101.50.0.91:8080
103.43.75.120:443
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 4840 2592 regsvr32.exe 82 -
Loads dropped DLL 2 IoCs
pid Process 4840 regsvr32.exe 2336 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\vYrhHePTrl.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\LekfBFmQMquzjvHee\\vYrhHePTrl.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 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 34 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2592 WINWORD.EXE 2592 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4840 Process not Found 4840 Process not Found 2336 regsvr32.exe 2336 regsvr32.exe 2336 regsvr32.exe 2336 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2592 WINWORD.EXE 2592 WINWORD.EXE 2592 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2592 WINWORD.EXE 2592 WINWORD.EXE 2592 WINWORD.EXE 2592 WINWORD.EXE 2592 WINWORD.EXE 2592 WINWORD.EXE 2592 WINWORD.EXE 2592 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2592 wrote to memory of 4840 2592 WINWORD.EXE 89 PID 2592 wrote to memory of 4840 2592 WINWORD.EXE 89 PID 4840 wrote to memory of 2336 4840 Process not Found 92 PID 4840 wrote to memory of 2336 4840 Process not Found 92
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\report 03 08 2023.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
PID:2592 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\073721.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
PID:4840 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\LekfBFmQMquzjvHee\vYrhHePTrl.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2336
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
546.7MB
MD54f214becc5f8ac8bd13adef8437f7002
SHA1a3b804db0726191408db0dd6fd82c8d8bd5722d0
SHA256d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3
SHA5124f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe
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Filesize
546.7MB
MD54f214becc5f8ac8bd13adef8437f7002
SHA1a3b804db0726191408db0dd6fd82c8d8bd5722d0
SHA256d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3
SHA5124f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe
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Filesize
882KB
MD5d347a9e713947d67f6f575738ef07cd7
SHA1f51f3983960517b07bb97f5ba5495480a31c8c0f
SHA25622babdda065e864cc6309f90833994a36353ae21d3a7be6e3aafaf51024448f0
SHA5125aef4fe8dbf87c3ff7e11af5e76912ef4e91e51246935132ee38a404c1f86cc464b527c2d47750930472121a23d1741e7c8e57f5ce41904af0d065bf6555a651
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Filesize
546.7MB
MD54f214becc5f8ac8bd13adef8437f7002
SHA1a3b804db0726191408db0dd6fd82c8d8bd5722d0
SHA256d7282f411b6f68f5c3a1657eb37a0f550d9d966a169b9290043d9e93b5f18ba3
SHA5124f852216ca25459b2e2f2961d8a7acb011cccbe712a3eb54677967b92ecb9289a4770de3b7716a52f96aa33233b04607e63070e00a5c05fae078e399b3d1d9fe