Analysis
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max time kernel
141s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-05-2022 04:21
Static task
static1
Behavioral task
behavioral1
Sample
pqyxgi.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
pqyxgi.dll
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Size
562KB
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MD5
3d0fffa0fe157c3bffb917e6a8d9da2e
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SHA1
3e7f43dda78e1d8136bbbb1bf28667d4632c661e
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SHA256
03bb64d1d0d91623bd8d83e769e97d39cf8175584dce06bc07936a8050ee4e41
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SHA512
aede69afc0203edb7162e0fe48bdbc5ff6ab43945a478b5b0ccbb49aa81014778b1f14ceda25e21fd98bc224da24e962cc1124523a626f7488b3817dfeaeb926
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
210.65.244.176:443
37.34.58.210:6601
77.220.64.141:5037
rc4.plain
rc4.plain
Signatures
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{45C3F899-3BD5-400B-9163-10FC48EA4F87}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{ECBCD14A-1A72-4027-B034-8C336BBBB3AF}.catalogItem svchost.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 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1836 wrote to memory of 3544 1836 regsvr32.exe 75 PID 1836 wrote to memory of 3544 1836 regsvr32.exe 75 PID 1836 wrote to memory of 3544 1836 regsvr32.exe 75
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\pqyxgi.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\pqyxgi.dll2⤵PID:3544
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:3336