Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220310-en -
submitted
11-04-2022 03:39
Behavioral task
behavioral1
Sample
zkwxfogs.xlsm
Resource
win7-20220331-en
General
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Target
zkwxfogs.xlsm
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Size
46KB
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MD5
969869a41c8f52fc0853eaaba007be0f
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SHA1
7d1c58a56647a9f3ede204d60fa0e6813d1ad8d1
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SHA256
dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491
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SHA512
c4a1a7ff06d4b59ed39640ca213bc1640907b304b613e47b9fe3561cd7caf6acb4f0c9a0fe19c9bb79b86dcbcae51bebec1831c732396cb1294b2860bd387c86
Malware Config
Extracted
http://eles-tech.com/css/KzMysMqFMs/
http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/
https://txpcrescue.com/cgi-bin/5tSO8/
Extracted
emotet
Epoch4
68.183.94.239:80
104.131.11.205:443
138.197.109.175:8080
187.84.80.182:443
79.143.187.147:443
216.158.226.206:443
167.99.115.35:8080
212.24.98.99:8080
1.234.21.73:7080
206.189.28.199:8080
158.69.222.101:443
164.68.99.3:8080
188.44.20.25:443
185.157.82.211:8080
134.122.66.193:8080
196.218.30.83:443
72.15.201.15:8080
5.9.116.246:8080
176.104.106.96:8080
153.126.146.25:7080
46.55.222.11:443
91.207.28.33:8080
192.99.251.50:443
203.114.109.124:443
51.91.7.5:8080
103.70.28.102:8080
209.250.246.206:443
82.165.152.127:8080
101.50.0.91:8080
151.106.112.196:8080
119.193.124.41:7080
94.23.45.86:4143
51.254.140.238:7080
173.212.193.249:8080
58.227.42.236:80
212.237.17.99:8080
1.234.2.232:8080
45.118.115.99:8080
110.232.117.186:8080
172.104.251.154:8080
159.65.88.10:8080
185.8.212.130:7080
129.232.188.93:443
103.43.46.182:443
103.75.201.2:443
131.100.24.231:80
201.94.166.162:443
45.176.232.124:443
146.59.226.45:443
103.132.242.26:8080
209.126.98.206:8080
197.242.150.244:8080
51.91.76.89:8080
160.16.142.56:8080
176.56.128.118:443
167.172.253.162:8080
189.126.111.200:7080
79.172.212.216:8080
107.182.225.142:8080
50.30.40.196:8080
183.111.227.137:8080
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\EXCEL.EXE is not expected to spawn this process 3112 5080 regsvr32.exe 79 -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 3112 regsvr32.exe 2024 regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Ehioszzbihkkxvq\fxbbi.uae 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 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5080 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2024 regsvr32.exe 2024 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE 5080 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5080 wrote to memory of 3112 5080 EXCEL.EXE 87 PID 5080 wrote to memory of 3112 5080 EXCEL.EXE 87 PID 5080 wrote to memory of 3112 5080 EXCEL.EXE 87 PID 3112 wrote to memory of 2024 3112 regsvr32.exe 90 PID 3112 wrote to memory of 2024 3112 regsvr32.exe 90 PID 3112 wrote to memory of 2024 3112 regsvr32.exe 90
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\zkwxfogs.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3112 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Ehioszzbihkkxvq\fxbbi.uae"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2024
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
848KB
MD55117b5a70c6955e414da04f24e3627d5
SHA1cbdd1d54bfe4a902e118b9e29dfbe3b270859e3d
SHA256b57f04c704d4068dbbd39d6c60e0ca99024ad5c898ffd06a18de1b11c42de298
SHA51221a4da860f47ce939a781272e1413cef6a6c081caffdc59984bc7454aefab8e2537ef38ffda1d8e786728f1c752220ecb94602e30caa4b63dd580251bab0595e
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Filesize
848KB
MD55117b5a70c6955e414da04f24e3627d5
SHA1cbdd1d54bfe4a902e118b9e29dfbe3b270859e3d
SHA256b57f04c704d4068dbbd39d6c60e0ca99024ad5c898ffd06a18de1b11c42de298
SHA51221a4da860f47ce939a781272e1413cef6a6c081caffdc59984bc7454aefab8e2537ef38ffda1d8e786728f1c752220ecb94602e30caa4b63dd580251bab0595e
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Filesize
848KB
MD55117b5a70c6955e414da04f24e3627d5
SHA1cbdd1d54bfe4a902e118b9e29dfbe3b270859e3d
SHA256b57f04c704d4068dbbd39d6c60e0ca99024ad5c898ffd06a18de1b11c42de298
SHA51221a4da860f47ce939a781272e1413cef6a6c081caffdc59984bc7454aefab8e2537ef38ffda1d8e786728f1c752220ecb94602e30caa4b63dd580251bab0595e