Analysis
- max time kernel
147s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
23/03/2022, 04:09
Static task
static1
Behavioral task
behavioral1
Sample
New Address and payment details.xlsm
Resource
win7-20220311-en
General
- Target New Address and payment details.xlsm
- Size 29KB
- Sample220323-eqvclsfab8
- SHA256 a11485d550d2b357809d54295372d07c01a4aa2b0b774bf0a4ad982394c8d056
- MD5 92bac4da1da53fd98f3c6097e072b0e0
- SHA1 9544e7b05652ef6830d53d783965bbb781e64b1e
- SHA512 e5d94c00d487fc7220e581cbedd7baebdcb8bfe122a21fe2f36fdbd25d7d4184db4b87ae2ec2414006df37f47b2dd59cb09e960f6ac96ecd137cd549abb219d6
- MD5 SHA1 SHA512
Malware Config
Extracted
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xlm4.0
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xlm40.dropper
https://iqraacfindia.org/wp-admin/dG/
Extracted
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emotet
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Epoch4
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51.91.76.89:8080
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173.254.208.91:8080
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149.56.128.192:443
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120.50.40.183:80
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160.16.218.63:8080
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206.188.212.92:8080
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46.55.222.11:443
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79.172.212.216:8080
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103.221.221.247:8080
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58.227.42.236:80
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192.99.251.50:443
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185.157.82.211:8080
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159.8.59.82:8080
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51.91.7.5:8080
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131.100.24.231:80
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159.65.88.10:8080
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195.201.151.129:8080
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45.176.232.124:443
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31.24.158.56:8080
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50.30.40.196:8080
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176.104.106.96:8080
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153.126.146.25:7080
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176.56.128.118:443
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103.43.46.182:443
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50.116.54.215:443
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217.182.25.250:8080
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110.232.117.186:8080
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189.126.111.200:7080
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45.142.114.231:8080
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158.69.222.101:443
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188.44.20.25:443
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212.237.17.99:8080
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151.106.112.196:8080
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216.158.226.206:443
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129.232.188.93:443
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167.99.115.35:8080
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1.234.21.73:7080
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178.79.147.66:8080
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209.126.98.206:8080
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173.212.193.249:8080
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72.15.201.15:8080
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209.250.246.206:443
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103.75.201.4:443
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207.38.84.195:8080
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138.185.72.26:8080
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119.193.124.41:7080
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5.9.116.246:8080
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146.59.226.45:443
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212.24.98.99:8080
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45.118.115.99:8080
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51.254.140.238:7080
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103.75.201.2:443
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203.114.109.124:443
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101.50.0.91:8080
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1.234.2.232:8080
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195.154.133.20:443
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107.182.225.142:8080
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196.218.30.83:443
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197.242.150.244:8080
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82.165.152.127:8080
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164.68.99.3:8080
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185.8.212.130:7080
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45.118.135.203:7080
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 4328 1320 regsvr32.exe 82 - Downloads MZ/PE file
- Loads dropped DLL 3 IoCs
pid Process 4328 regsvr32.exe 1160 regsvr32.exe 448 regsvr32.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Xbuwjjbovstgjtjl\phyuwdk.smb regsvr32.exe File opened for modification C:\Windows\SysWOW64\Eaeypbuvf\czrfprvrutznqu.mvv 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 1320 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 448 regsvr32.exe 448 regsvr32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4328 regsvr32.exe 1160 regsvr32.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4328 regsvr32.exe 1160 regsvr32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE 1320 EXCEL.EXE - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1320 wrote to memory of 4328 1320 EXCEL.EXE 96 PID 1320 wrote to memory of 4328 1320 EXCEL.EXE 96 PID 1320 wrote to memory of 4328 1320 EXCEL.EXE 96 PID 4328 wrote to memory of 1160 4328 regsvr32.exe 100 PID 4328 wrote to memory of 1160 4328 regsvr32.exe 100 PID 4328 wrote to memory of 1160 4328 regsvr32.exe 100 PID 1160 wrote to memory of 448 1160 regsvr32.exe 101 PID 1160 wrote to memory of 448 1160 regsvr32.exe 101 PID 1160 wrote to memory of 448 1160 regsvr32.exe 101
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\New Address and payment details.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1320 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\whxc.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Eaeypbuvf\czrfprvrutznqu.mvv"3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Xbuwjjbovstgjtjl\phyuwdk.smb"4⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:448
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