Analysis
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max time kernel
150s -
max time network
153s -
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, 06:16
Behavioral task
behavioral1
Sample
2023-03-08_1509.doc
Resource
win7-20230220-en
General
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Target
2023-03-08_1509.doc
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Size
520.3MB
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MD5
f5e7227c77fac1e1fd2dd02c74f142e6
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SHA1
c2f88e9be84a1d93e053854d662082189ad59e55
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SHA256
b2bb80310dca2ee1127f4723ca27cf6a59f0243760e139f6f108cdb692b795f7
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SHA512
73d0ca98f6e1f7a04772e84b95753d11bbf22496404d5dc1ba1bf3fec367efad65e60d5bba82be8993af1b99830b83f9345b411f092984b495bc34f3eb4ebd42
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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 1524 1560 regsvr32.exe 83 -
Loads dropped DLL 3 IoCs
pid Process 1524 regsvr32.exe 1524 regsvr32.exe 4872 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 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.
description flow ioc HTTP User-Agent header 18 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1560 WINWORD.EXE 1560 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1524 regsvr32.exe 1524 regsvr32.exe 4872 regsvr32.exe 4872 regsvr32.exe 4872 regsvr32.exe 4872 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1560 WINWORD.EXE 1560 WINWORD.EXE 1560 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1560 WINWORD.EXE 1560 WINWORD.EXE 1560 WINWORD.EXE 1560 WINWORD.EXE 1560 WINWORD.EXE 1560 WINWORD.EXE 1560 WINWORD.EXE 1560 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1560 wrote to memory of 1524 1560 WINWORD.EXE 87 PID 1560 wrote to memory of 1524 1560 WINWORD.EXE 87 PID 1524 wrote to memory of 4872 1524 regsvr32.exe 94 PID 1524 wrote to memory of 4872 1524 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\2023-03-08_1509.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:1560 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\082021.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\XhtEn\VCOgUrJ.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4872
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda
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Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda
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Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda
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Filesize
872KB
MD5d5700e1ee975acb953e76eac021dc57d
SHA1a5e008828774992d42ddd66a00cda20e0d29b4a6
SHA256e184e3130db13b0f2c4079a7d19e669f1873a7029f79fc928f07829007dbaca8
SHA5120a1e10ded8a5dc96776571afbd84b735fac9b7c3baa2acaa576d26edf6cf81cfa28ebdcbba00ba70c99c655f49ed78ff1202ceed22425c92ec441df740edc7c5
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Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda