Analysis
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max time kernel
14s -
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
22-03-2023 16:18
Behavioral task
behavioral1
Sample
896596943605538321105519908.doc
Resource
win7-20230220-en
General
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Target
896596943605538321105519908.doc
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Size
270KB
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MD5
c8898ca0af2861682e1fb970ae4cdb7e
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SHA1
d58c7c6a2a86b825ca042c6b1493ac60e1d85c89
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SHA256
e054fee8e166f73b9213cbd2c4fb5b22ce158d7cc913878049ba3dbe70158592
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SHA512
471478f93a46c51693c6c81210f47b5d04508ee2028c812e6a258fb42d5c8dfc53b0754d64c33aa0e1c5481fdac4215439b3305240d53e7d910d023391e10edf
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SSDEEP
3072:FKQlkhFVDQxhkDzo0qT5e/UDrpgIAww6MVikUiAageLXQcXhq7P3PfdyY:FK+k5DQPkPq5pRO6ezw7P9y
Malware Config
Extracted
emotet
Epoch4
213.239.212.5:443
129.232.188.93:443
103.43.75.120:443
197.242.150.244:8080
1.234.2.232:8080
110.232.117.186:8080
95.217.221.146:8080
159.89.202.34:443
159.65.88.10:8080
82.223.21.224:8080
169.57.156.166:8080
45.176.232.124:443
45.235.8.30:8080
173.212.193.249:8080
107.170.39.149:8080
119.59.103.152:8080
167.172.199.165:8080
91.207.28.33:8080
185.4.135.165:8080
104.168.155.143:8080
206.189.28.199:8080
79.137.35.198:8080
103.132.242.26:8080
202.129.205.3:8080
103.75.201.2:443
149.56.131.28:8080
5.135.159.50:443
172.105.226.75:8080
201.94.166.162:443
115.68.227.76:8080
164.90.222.65:443
186.194.240.217:443
153.126.146.25:7080
187.63.160.88:80
209.126.85.32:8080
72.15.201.15:8080
153.92.5.27:8080
167.172.253.162:8080
147.139.166.154:8080
163.44.196.120:8080
183.111.227.137:8080
139.59.126.41:443
164.68.99.3:8080
188.44.20.25:443
94.23.45.86:4143
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 1144 5080 regsvr32.exe WINWORD.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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription 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.
Processes:
description flow ioc HTTP User-Agent header 36 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 5080 WINWORD.EXE 5080 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
WINWORD.EXEpid process 5080 WINWORD.EXE 5080 WINWORD.EXE 5080 WINWORD.EXE 5080 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 5080 wrote to memory of 1144 5080 WINWORD.EXE regsvr32.exe PID 5080 wrote to memory of 1144 5080 WINWORD.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\896596943605538321105519908.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:5080 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\161903.tmp"2⤵
- Process spawned unexpected child process
PID:1144 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\FSUlVAdEDiyE\uBfoQprr.dll"3⤵PID:60
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
426.8MB
MD5f20495d26d0d6f7d8da407da8f91adbf
SHA18e3551c33e2068c7271cd6b2f74e65f571835119
SHA256ff5a792323380e39cfca8007b73f68cc20ce5a4aa78951beda090179d3d27041
SHA5123a39ef7903afe4116fd4ac4cf20530b1bcac2b71d546e2802b7801f246347b146fcee79b521675ec3383b8ed785033c9c649437a2981624aa79cb6b6bd913c3d
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Filesize
498.9MB
MD5c9500f056f867a79c8aa95bff60fbe2a
SHA1aef59c05ba0a0338928ca1c521ab7ee5b3a9dd63
SHA25657cf6ca9c5b2e8ed496ee4e4e8c68c676027539c8757832d06f73f011947178d
SHA512a97e9ecbc307a746e14d361cdecb56a8a61841e1fc6c5e5bac794987f7a711e87e7660fd8fa480068ab32b772cbf32a8df8795da20278fbef395c1ea0f99a7a3
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Filesize
972KB
MD577cfabf26034b53f7c2471e9aa073847
SHA19fb5c65d8c5e7fd0df8ca28ec5fe4a6e5a30c5b8
SHA25698ac85e40373cd16f6910cfd4bd092ab15a6eda3b513bd09da39b6a29fcb3504
SHA51225e37745433af2aeb85fa4c9d197efcde802025832b28aa173c89ca417ee42fe1106616d565c51bdda4cec13e8508f7f23aeacc431a010c5f4c68ce5d21040fc
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Filesize
411.4MB
MD5d0ac0caa821e01a7f9375e9e93b09fce
SHA12a6522dd8268a47522d78cbe19a4fee8d099b5f6
SHA256697488cc6440e6f5d2e1f11c31d9c77242a41db0df5448b3a5af40f2ceb96c53
SHA512e0bd3c35fb2bcc7b48da7952975b6e7baa39b94bb5a3008f778329842e3f717f00abfb4b67675e47b670b538d200b049d58f8b15c87831645f51033b0e5af98e