Analysis
- max time kernel
155s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
15/03/2022, 08:44
Static task
static1
Behavioral task
behavioral1
Sample
PO 03152022.xlsm
Resource
win7-20220310-en
General
- Target PO 03152022.xlsm
- Size 49KB
- Sample220315-km7reshcc9
- SHA256 5fa3f9fe297f93ff2171f766ec779f16f20a581270d097ceadce6f3106f4298a
- MD5 26e73de72077229f89194d5141aea2be
- SHA1 bcd09ebd719ce1969dd0f2dc59a80c65089d8035
- SHA512 30e489eb66f9d16f0abb1081bf641f186fcad830d436adbbf198e25dce01295229061d14796486d83fcc3a38aef89cef2416353e84b8996e4487398e1be124a0
- MD5 SHA1 SHA512
Malware Config
Extracted
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xlm4.0
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xlm40.dropper
https://ballpointmedia.com/css/WDvvKlTTncgkazP/
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xlm40.dropper
http://www.altoxi.com/UIc/04GtHAQGA/
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xlm40.dropper
http://www.apesb.com/language/IgWs7RRV/
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xlm40.dropper
http://www.ara-choob.com/data1/Tzm3xsCsT4DScdUFOx/
Extracted
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emotet
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Epoch4
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217.182.143.248:8080
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185.4.135.27:8080
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192.99.251.50:443
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146.59.226.45:443
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162.214.118.104:8080
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195.154.133.20:443
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103.75.201.2:443
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5.9.116.246:8080
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177.87.70.10:8080
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31.24.158.56:8080
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103.75.201.4:443
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158.69.222.101:443
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185.157.82.211:8080
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185.8.212.130:7080
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186.250.48.117:7080
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110.232.117.186:8080
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46.55.222.11:443
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196.218.30.83:443
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51.91.7.5:8080
-
176.56.128.118:443
-
207.38.84.195:8080
-
173.212.193.249:8080
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45.118.135.203:7080
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164.68.99.3:8080
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209.126.98.206:8080
-
212.24.98.99:8080
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151.106.112.196:8080
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45.176.232.124:443
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153.126.146.25:7080
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212.237.17.99:8080
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45.142.114.231:8080
-
107.182.225.142:8080
-
45.118.115.99:8080
-
79.172.212.216:8080
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50.30.40.196:8080
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82.165.152.127:8080
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50.116.54.215:443
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1.234.2.232:8080
-
58.227.42.236:80
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216.158.226.206:443
-
159.8.59.82:8080
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129.232.188.93:443
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189.126.111.200:7080
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138.185.72.26:8080
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159.65.88.10:8080
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103.221.221.247:8080
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188.44.20.25:443
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203.114.109.124:443
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197.242.150.244:8080
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51.254.140.238:7080
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176.104.106.96:8080
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178.79.147.66:8080
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131.100.24.231:80
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\EXCEL.EXE is not expected to spawn this process 4932 376 regsvr32.exe 77 - Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
pid Process 4932 regsvr32.exe 4580 regsvr32.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Obmbfud\djoalrbtoisp.fke 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 376 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4580 regsvr32.exe 4580 regsvr32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 376 EXCEL.EXE 376 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE 376 EXCEL.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 376 wrote to memory of 4932 376 EXCEL.EXE 79 PID 376 wrote to memory of 4932 376 EXCEL.EXE 79 PID 376 wrote to memory of 4932 376 EXCEL.EXE 79 PID 4932 wrote to memory of 4580 4932 regsvr32.exe 80 PID 4932 wrote to memory of 4580 4932 regsvr32.exe 80 PID 4932 wrote to memory of 4580 4932 regsvr32.exe 80
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\PO 03152022.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:376 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\ujg.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Obmbfud\djoalrbtoisp.fke"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4580
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