Analysis
-
max time kernel
15s -
max time network
157s -
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, 07:17
Behavioral task
behavioral1
Sample
20230308_202888_0035.doc
Resource
win7-20230220-en
General
-
Target
20230308_202888_0035.doc
-
Size
546.3MB
-
MD5
1ccd780cbc8df389eba6f2de0985009e
-
SHA1
60f32a95f333fb5665157860462e07d4ec0dee81
-
SHA256
ced5eec72aeabf65b78be1c75509a7d12816c2fa5e4b1fe4178e11cf78c6eb38
-
SHA512
0df979efe35ea856bdbd35f292364e709159cf495f7d96edb4bfea7e68d9bfc15d1d5f67b2c623686bf5bfa75cdfb19e19abb3e9023a85d50f75f3b6f3c7e428
-
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
-
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 3656 3380 regsvr32.exe 81 -
Loads dropped DLL 1 IoCs
pid Process 3656 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 45 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3380 WINWORD.EXE 3380 WINWORD.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3380 WINWORD.EXE 3380 WINWORD.EXE 3380 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3380 WINWORD.EXE 3380 WINWORD.EXE 3380 WINWORD.EXE 3380 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3380 wrote to memory of 3656 3380 WINWORD.EXE 90 PID 3380 wrote to memory of 3656 3380 WINWORD.EXE 90
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\20230308_202888_0035.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:3380 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\081817.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
PID:3656 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\DvYrYi\tEYDb.dll"3⤵PID:1444
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda
-
Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda
-
Filesize
872KB
MD5d5700e1ee975acb953e76eac021dc57d
SHA1a5e008828774992d42ddd66a00cda20e0d29b4a6
SHA256e184e3130db13b0f2c4079a7d19e669f1873a7029f79fc928f07829007dbaca8
SHA5120a1e10ded8a5dc96776571afbd84b735fac9b7c3baa2acaa576d26edf6cf81cfa28ebdcbba00ba70c99c655f49ed78ff1202ceed22425c92ec441df740edc7c5
-
Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda
-
Filesize
536.7MB
MD519bff3aa06ddc8c0c808d8be5cc49275
SHA198e500a3fdb186aaae72b3ac985d28e693c46c54
SHA256c9b6bf7242684234d57a3ea22bb08ef61dab6b8dc716d68466fb0fe497dd76ba
SHA5128732eef028d3021b64c79da521c4808bdb202ef4181bed55a26610d430b4afb553c6397311661e323132a866e6ad669c3bf2849aeba8fb8a48e607badfaffeda