Analysis
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max time kernel
90s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20/12/2022, 18:23
Behavioral task
behavioral1
Sample
bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe
Resource
win10v2004-20220901-en
General
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Target
bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe
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Size
244KB
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MD5
e0b025f5d840d565743f1643d2304a01
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SHA1
74520cb001e132224fae8a26132e996f7ae91c8f
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SHA256
bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c
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SHA512
ce7f741efb73d6554279f7164a0a9635d4b44928d4a79a12a81555e88ec264c5875acf18d88d725770ff0973dbca5dd8572af93757781452c0fdb5d485b01e6c
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SSDEEP
6144:PKMOAd7IF9Zr3Tz5s1BOzCtUy020kkj2ppKAOkLJi/Z:SMOAd7IbZr3Tz58BOzO3KoOZ
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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 3516 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3516 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5060 wrote to memory of 2160 5060 bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe 81 PID 5060 wrote to memory of 2160 5060 bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe 81 PID 5060 wrote to memory of 2160 5060 bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe 81 PID 2160 wrote to memory of 3516 2160 cmd.exe 83 PID 2160 wrote to memory of 3516 2160 cmd.exe 83 PID 2160 wrote to memory of 3516 2160 cmd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe"C:\Users\Admin\AppData\Local\Temp\bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "bc52a266b08e6bdf187513bc29f1384654583b57e6c10d4716c170436cb6778c.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3516
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