Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10_x64 -
resource
win10-20220331-en -
submitted
01-04-2022 01:53
Behavioral task
behavioral1
Sample
dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491.xlsm
Resource
win10-20220331-en
General
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Target
dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491.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/
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 3844 1396 regsvr32.exe 65 -
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 1 IoCs
pid Process 3844 regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Wiayouikrabg\jxdibgiqsf.fqy 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 EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1396 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1028 regsvr32.exe 1028 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1396 EXCEL.EXE 1396 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE 1396 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1396 wrote to memory of 3844 1396 EXCEL.EXE 69 PID 1396 wrote to memory of 3844 1396 EXCEL.EXE 69 PID 1396 wrote to memory of 3844 1396 EXCEL.EXE 69 PID 3844 wrote to memory of 1028 3844 regsvr32.exe 70 PID 3844 wrote to memory of 1028 3844 regsvr32.exe 70 PID 3844 wrote to memory of 1028 3844 regsvr32.exe 70
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\dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491.xlsm"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:1396 -
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:3844 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Wiayouikrabg\jxdibgiqsf.fqy"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1028
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
848KB
MD5c954c5afb5d3cf2242012a5030905487
SHA194f24d512a97be46bf287816f194ef4d5d04172e
SHA256b55de3ddd8a9420a4ed594f06cfbabc39dd276c392e473d5240cc6d209358afc
SHA512ef880f1a4590691e99ed387de47e5295a02288211a5302ccb7fcd906c8134fbb5f8aa322dfc79bf0f335f2c585b028aec67654cce0e855b86410f11ed5e000de
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Filesize
848KB
MD5c954c5afb5d3cf2242012a5030905487
SHA194f24d512a97be46bf287816f194ef4d5d04172e
SHA256b55de3ddd8a9420a4ed594f06cfbabc39dd276c392e473d5240cc6d209358afc
SHA512ef880f1a4590691e99ed387de47e5295a02288211a5302ccb7fcd906c8134fbb5f8aa322dfc79bf0f335f2c585b028aec67654cce0e855b86410f11ed5e000de