Analysis
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max time kernel
125s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
07/02/2022, 05:00
Behavioral task
behavioral1
Sample
44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe
Resource
win10v2004-en-20220113
General
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Target
44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe
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Size
64KB
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MD5
fedaf9011bcbf1e7589e6f2289af7fa5
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SHA1
9485c10542340a511a149443609d6b3cf44ae512
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SHA256
44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d
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SHA512
acae22ec7fb509b8eb22ed1196eabef70803402981247686d052d027f9b9e04fbd2eacbe366cc763600821cc1e55ced01ffdae6fb5a262a4282292592884da13
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 2172 svchost.exe Token: SeCreatePagefilePrivilege 2172 svchost.exe Token: SeShutdownPrivilege 2172 svchost.exe Token: SeCreatePagefilePrivilege 2172 svchost.exe Token: SeShutdownPrivilege 2172 svchost.exe Token: SeCreatePagefilePrivilege 2172 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5056 wrote to memory of 4728 5056 44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe 82 PID 5056 wrote to memory of 4728 5056 44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe 82 PID 4728 wrote to memory of 2360 4728 cmd.exe 85 PID 4728 wrote to memory of 2360 4728 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe"C:\Users\Admin\AppData\Local\Temp\44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\8673.tmp\8674.bat C:\Users\Admin\AppData\Local\Temp\44043135cc4c60682e3e45324e02713a675dc0d2894bc677407548e23b27881d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4728 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c dir /B /AD C:\Users3⤵PID:2360
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2172