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Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 01:01
Static task
static1
Behavioral task
behavioral1
Sample
f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe
Resource
win10v2004-20220812-en
General
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Target
f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe
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Size
32KB
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MD5
0955e6d7605a33f8ade579b346482c70
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SHA1
f61ae645a5c6e2b283fd539793eb2afd90edc074
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SHA256
f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d
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SHA512
33732453d6bcf7618ce5c2f9612b93240ba29e35d97f4fb97c8f3aac88cd64f9ce7e96c7031c1c7fa493f3b02f6c73bfeb1f3ca402e6a726dc073ff7246ea026
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SSDEEP
768:2ASaMFGSLPKrZfbAW4wo6Dd3iqGXH5iJBvveB/8UNU:2AcFGSLPKrZfbARwo6R3iqGpIBeKUNU
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4728 suchost..exe 3500 svchost..exe -
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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4728 suchost..exe 4728 suchost..exe 4728 suchost..exe 4728 suchost..exe 4728 suchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 3500 svchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 3500 svchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 3500 svchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 3500 svchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 3500 svchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 3500 svchost..exe 3500 svchost..exe 3500 svchost..exe 3500 svchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe 3500 svchost..exe 3500 svchost..exe 4728 suchost..exe 4728 suchost..exe 3500 svchost..exe 4728 suchost..exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4728 suchost..exe Token: SeDebugPrivilege 3500 svchost..exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3912 wrote to memory of 4728 3912 f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe 78 PID 3912 wrote to memory of 4728 3912 f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe 78 PID 3912 wrote to memory of 4728 3912 f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe 78 PID 3912 wrote to memory of 3500 3912 f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe 79 PID 3912 wrote to memory of 3500 3912 f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe 79 PID 3912 wrote to memory of 3500 3912 f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe"C:\Users\Admin\AppData\Local\Temp\f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d.exe"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Users\Admin\Documents\suchost..exe"C:\Users\Admin\Documents\suchost..exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost..exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3500
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
32KB
MD50955e6d7605a33f8ade579b346482c70
SHA1f61ae645a5c6e2b283fd539793eb2afd90edc074
SHA256f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d
SHA51233732453d6bcf7618ce5c2f9612b93240ba29e35d97f4fb97c8f3aac88cd64f9ce7e96c7031c1c7fa493f3b02f6c73bfeb1f3ca402e6a726dc073ff7246ea026
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Filesize
32KB
MD50955e6d7605a33f8ade579b346482c70
SHA1f61ae645a5c6e2b283fd539793eb2afd90edc074
SHA256f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d
SHA51233732453d6bcf7618ce5c2f9612b93240ba29e35d97f4fb97c8f3aac88cd64f9ce7e96c7031c1c7fa493f3b02f6c73bfeb1f3ca402e6a726dc073ff7246ea026
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Filesize
32KB
MD50955e6d7605a33f8ade579b346482c70
SHA1f61ae645a5c6e2b283fd539793eb2afd90edc074
SHA256f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d
SHA51233732453d6bcf7618ce5c2f9612b93240ba29e35d97f4fb97c8f3aac88cd64f9ce7e96c7031c1c7fa493f3b02f6c73bfeb1f3ca402e6a726dc073ff7246ea026
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Filesize
32KB
MD50955e6d7605a33f8ade579b346482c70
SHA1f61ae645a5c6e2b283fd539793eb2afd90edc074
SHA256f39bad0d1a08e86970f31a9f08dd26db53394b394f0d9e30f11645ea27abd57d
SHA51233732453d6bcf7618ce5c2f9612b93240ba29e35d97f4fb97c8f3aac88cd64f9ce7e96c7031c1c7fa493f3b02f6c73bfeb1f3ca402e6a726dc073ff7246ea026