Analysis
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max time kernel
144s -
max time network
160s -
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, 09:09
Behavioral task
behavioral1
Sample
698904922815716351.doc
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
698904922815716351.doc
Resource
win10v2004-20230220-en
General
-
Target
698904922815716351.doc
-
Size
524.8MB
-
MD5
33a26f690f19421e49cd0927921205e2
-
SHA1
190752c02cd33244f631b2b0f1d389b283c2ec86
-
SHA256
673bc1c81390a70de56e11ce2384b0975631e29b6392be97f17e6a76b7e36d7b
-
SHA512
dd574e5f1086a80f31203d73b22040e0879dba4d07006b4f985b4e3f960d8cc039992a8d0a35cde42d15c51b9cb588c8764f0438ffa20ecf5fba269cab513ee6
-
SSDEEP
12288:XxYDQ8EW+Ba+qKYR08a72L2X0dMzPPqvBUEu3uNsRAPYwT4q3MJ/d:2DPElaSUqqafj9Q4ZJ/d
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 2512 4992 regsvr32.exe 65 -
Loads dropped DLL 2 IoCs
pid Process 2512 regsvr32.exe 4200 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\bDMsnSNsFUb.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\YFGkPdvrhJrmRCg\\bDMsnSNsFUb.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 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 40 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4992 WINWORD.EXE 4992 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2512 regsvr32.exe 2512 regsvr32.exe 4200 regsvr32.exe 4200 regsvr32.exe 4200 regsvr32.exe 4200 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4992 WINWORD.EXE 4992 WINWORD.EXE 4992 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4992 WINWORD.EXE 4992 WINWORD.EXE 4992 WINWORD.EXE 4992 WINWORD.EXE 4992 WINWORD.EXE 4992 WINWORD.EXE 4992 WINWORD.EXE 4992 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4992 wrote to memory of 2512 4992 WINWORD.EXE 96 PID 4992 wrote to memory of 2512 4992 WINWORD.EXE 96 PID 2512 wrote to memory of 4200 2512 regsvr32.exe 98 PID 2512 wrote to memory of 4200 2512 regsvr32.exe 98
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\698904922815716351.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:4992 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\101057.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\YFGkPdvrhJrmRCg\bDMsnSNsFUb.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4200
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
504.7MB
MD569a5d6bff7916e89328735d6dfeb1969
SHA19b08a294c6f0c6cf91c023f8314a4434c23e0fd2
SHA256d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616
SHA512cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749
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Filesize
504.7MB
MD569a5d6bff7916e89328735d6dfeb1969
SHA19b08a294c6f0c6cf91c023f8314a4434c23e0fd2
SHA256d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616
SHA512cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749
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Filesize
840KB
MD598f2c28db3044c0bb4f6532b4f63271a
SHA1c7e464ad78ddc97d00f6bd5a25c463c4c4a693a9
SHA256c0cc58370e1c362fb98653d01a3b36018775602ef2f115ca2ece20257f0e9aa2
SHA512f0da48722a4d8fd2fc714e845b90de3727ff6d623054ca8dc23c319f2b1b2c31ff700a121cd0437cf8748cd8cb8df05c9698de88c66b74ba989fad89ea6877b1
-
Filesize
504.7MB
MD569a5d6bff7916e89328735d6dfeb1969
SHA19b08a294c6f0c6cf91c023f8314a4434c23e0fd2
SHA256d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616
SHA512cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749