Analysis
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max time kernel
148s -
max time network
156s -
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, 02:58
Behavioral task
behavioral1
Sample
2023-03-08_1157.doc
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
2023-03-08_1157.doc
Resource
win10v2004-20230220-en
General
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Target
2023-03-08_1157.doc
-
Size
548.3MB
-
MD5
df03ab3720154f245c109759ae06913e
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SHA1
1f4ae4072ca354d3337f578b74b7526f7fb2bbee
-
SHA256
a85fa869a88e0c5464efb2e86ab86b97035374ea96bcc9c59a4fd7f7e3ba5de1
-
SHA512
cdc65bbde648ac2349b566003be8b6f9f9a74c1439f09faa81d0d3b29ff4037be57d9bbb4a2588847b1ac528cec82c5e205ac02862dfd64cac90ea0c0e3d0b56
-
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 2388 2816 regsvr32.exe 73 -
Loads dropped DLL 2 IoCs
pid Process 2388 regsvr32.exe 4704 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\UUQMgaaoMfJdSk.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\PXkIkjayjBlVCapAe\\UUQMgaaoMfJdSk.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\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily 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 2816 WINWORD.EXE 2816 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2388 regsvr32.exe 2388 regsvr32.exe 4704 regsvr32.exe 4704 regsvr32.exe 4704 regsvr32.exe 4704 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2816 WINWORD.EXE 2816 WINWORD.EXE 2816 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2816 WINWORD.EXE 2816 WINWORD.EXE 2816 WINWORD.EXE 2816 WINWORD.EXE 2816 WINWORD.EXE 2816 WINWORD.EXE 2816 WINWORD.EXE 2816 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2816 wrote to memory of 2388 2816 WINWORD.EXE 93 PID 2816 wrote to memory of 2388 2816 WINWORD.EXE 93 PID 2388 wrote to memory of 4704 2388 regsvr32.exe 95 PID 2388 wrote to memory of 4704 2388 regsvr32.exe 95
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_1157.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:2816 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\035950.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\PXkIkjayjBlVCapAe\UUQMgaaoMfJdSk.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4704
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
535.7MB
MD549d805bdd67f596cc1e3ec542257b004
SHA1c5917591ff50ab18122898a38807c188ec58a672
SHA25682c686354cb49727b40f46546e791eafe90ba6a58912a638a43105045e55dc3c
SHA512697256477705b77f6e2df89f35d2e7b5256ab3d60283383be2361b210d4deafa4734f949cfcd160ba915958414881c69e283b0530dfedab5303e1d483befe877
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Filesize
535.7MB
MD549d805bdd67f596cc1e3ec542257b004
SHA1c5917591ff50ab18122898a38807c188ec58a672
SHA25682c686354cb49727b40f46546e791eafe90ba6a58912a638a43105045e55dc3c
SHA512697256477705b77f6e2df89f35d2e7b5256ab3d60283383be2361b210d4deafa4734f949cfcd160ba915958414881c69e283b0530dfedab5303e1d483befe877
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Filesize
871KB
MD5586c64b6fd7bcf2c5a553612c3b21e45
SHA1f52362a551e938b7508a8efc620335ff05a171ac
SHA2563bc46bd946c948b6b7c7d1cc1280510ae8a7937356fc96c98fb4f1aab23ba1ba
SHA51218c1fdcaa636a0a8b9647f490707c6367b81dff18b8124fb3c7c94a3821a3c678f0357763980e2cd14edbd344d265798cca4dde1dac83a02282ee900cbe631d3
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Filesize
535.7MB
MD549d805bdd67f596cc1e3ec542257b004
SHA1c5917591ff50ab18122898a38807c188ec58a672
SHA25682c686354cb49727b40f46546e791eafe90ba6a58912a638a43105045e55dc3c
SHA512697256477705b77f6e2df89f35d2e7b5256ab3d60283383be2361b210d4deafa4734f949cfcd160ba915958414881c69e283b0530dfedab5303e1d483befe877