Overview
overview
10Static
static
8cd85f250-b...06.eml
windows7-x64
6cd85f250-b...06.eml
windows10-2004-x64
3K-1 03.07.2023.zip
windows7-x64
1K-1 03.07.2023.zip
windows10-2004-x64
1K-1 03.07.2023.doc
windows7-x64
10K-1 03.07.2023.doc
windows10-2004-x64
10email-html-1.html
windows7-x64
1email-html-1.html
windows10-2004-x64
1Analysis
-
max time kernel
146s -
max time network
143s -
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, 07:26
Behavioral task
behavioral1
Sample
cd85f250-b0e5-bfcd-24ff-fde4febbf706.eml
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
cd85f250-b0e5-bfcd-24ff-fde4febbf706.eml
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
K-1 03.07.2023.zip
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
K-1 03.07.2023.zip
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
K-1 03.07.2023.doc
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
K-1 03.07.2023.doc
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
email-html-1.html
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
email-html-1.html
Resource
win10v2004-20230221-en
General
-
Target
K-1 03.07.2023.doc
-
Size
527.2MB
-
MD5
fd37aece5d1c1538fdaab4b4fa1fa16a
-
SHA1
101fbc6beec580efc3582c7f619c711e9fb6d385
-
SHA256
d9988c6dcd1c169af8db5bc3c363f18f66501a63dd9fc1b671ad32f5de359472
-
SHA512
99cc15b540873054513d9f3fb13b250b253ab77ca83c45b350af17d04572b76db67c5f176627aaa8741113bc26d6890a15bde794557065dc9c341a65a4c13fb0
-
SSDEEP
3072:eoEW2aOtFjH0lP2IpjctfRcVVwEi/A8NVM1wIOCbX6bYLjWFJuvx7ueK6:ZE1aOtFa2I9c3aVw4zwxCbJ4Jup
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 1484 64 regsvr32.exe 85 -
Loads dropped DLL 2 IoCs
pid Process 1484 regsvr32.exe 232 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\KLvA.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\SUycNwzAgej\\KLvA.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 31 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 64 WINWORD.EXE 64 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1484 regsvr32.exe 1484 regsvr32.exe 232 regsvr32.exe 232 regsvr32.exe 232 regsvr32.exe 232 regsvr32.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 64 WINWORD.EXE 64 WINWORD.EXE 64 WINWORD.EXE 64 WINWORD.EXE 64 WINWORD.EXE 64 WINWORD.EXE 64 WINWORD.EXE 64 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 64 wrote to memory of 1484 64 WINWORD.EXE 91 PID 64 wrote to memory of 1484 64 WINWORD.EXE 91 PID 1484 wrote to memory of 232 1484 regsvr32.exe 94 PID 1484 wrote to memory of 232 1484 regsvr32.exe 94
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\K-1 03.07.2023.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:64 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\082728.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\SUycNwzAgej\KLvA.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:232
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
504.7MB
MD569a5d6bff7916e89328735d6dfeb1969
SHA19b08a294c6f0c6cf91c023f8314a4434c23e0fd2
SHA256d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616
SHA512cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749
-
Filesize
504.7MB
MD569a5d6bff7916e89328735d6dfeb1969
SHA19b08a294c6f0c6cf91c023f8314a4434c23e0fd2
SHA256d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616
SHA512cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749
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Filesize
840KB
MD56f2a721496ce327f6b66737c325528d7
SHA1f764bbe18f54c1c52009af247c7c072d92869e7a
SHA2569b710c737351b0209216977b7d56cd640e55a8233b273e1d3c2c55ddd3ecd4db
SHA512a0eced8b7445ad500a21e9608ab90c2e2cd84574ba1db330f1bc68ef4ccd14c7b136d73116537cf3f408f6ee62636d3345e6ba6935af7af093f6861b96bcb8c5
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Filesize
504.7MB
MD569a5d6bff7916e89328735d6dfeb1969
SHA19b08a294c6f0c6cf91c023f8314a4434c23e0fd2
SHA256d8b45395fabe03155050debe2c8669ebc3a38f0d151143129f4361d5dbf51616
SHA512cb259efd4cd1824385e990b2bdedff62254e68655aa8cdf1b3f622a7c7047993980fd5f813bcf16e3efa6cd68ac4aeae07f2bbf0f848faf4389fbac137be1749