Analysis
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max time kernel
171s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
16-02-2022 22:45
Static task
static1
Behavioral task
behavioral1
Sample
9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
Resource
win10v2004-en-20220113
General
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Target
9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe
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Size
381KB
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MD5
6405a2a713548111aa9a1a807fff6df5
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SHA1
a8eb4ee46b792072347a73b21fad832f200128c3
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SHA256
9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272
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SHA512
f0b576ed89c04541b7a6a2b5ff8a5ab7c8911ddd3573c9653bf536d337e9ef219c9465372ba061e5133ebb38feeebfad1a9e9d25c9fc9471c8c10ee0341747a0
Malware Config
Extracted
C:\DECRYPT-FILES.html
<b>[email protected]</b>
Signatures
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Maze
Ransomware family also known as ChaCha.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe 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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3900 9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe 3900 9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe -
Suspicious use of AdjustPrivilegeToken 51 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4960 wmic.exe Token: SeSecurityPrivilege 4960 wmic.exe Token: SeTakeOwnershipPrivilege 4960 wmic.exe Token: SeLoadDriverPrivilege 4960 wmic.exe Token: SeSystemProfilePrivilege 4960 wmic.exe Token: SeSystemtimePrivilege 4960 wmic.exe Token: SeProfSingleProcessPrivilege 4960 wmic.exe Token: SeIncBasePriorityPrivilege 4960 wmic.exe Token: SeCreatePagefilePrivilege 4960 wmic.exe Token: SeBackupPrivilege 4960 wmic.exe Token: SeRestorePrivilege 4960 wmic.exe Token: SeShutdownPrivilege 4960 wmic.exe Token: SeDebugPrivilege 4960 wmic.exe Token: SeSystemEnvironmentPrivilege 4960 wmic.exe Token: SeRemoteShutdownPrivilege 4960 wmic.exe Token: SeUndockPrivilege 4960 wmic.exe Token: SeManageVolumePrivilege 4960 wmic.exe Token: 33 4960 wmic.exe Token: 34 4960 wmic.exe Token: 35 4960 wmic.exe Token: 36 4960 wmic.exe Token: SeIncreaseQuotaPrivilege 4960 wmic.exe Token: SeSecurityPrivilege 4960 wmic.exe Token: SeTakeOwnershipPrivilege 4960 wmic.exe Token: SeLoadDriverPrivilege 4960 wmic.exe Token: SeSystemProfilePrivilege 4960 wmic.exe Token: SeSystemtimePrivilege 4960 wmic.exe Token: SeProfSingleProcessPrivilege 4960 wmic.exe Token: SeIncBasePriorityPrivilege 4960 wmic.exe Token: SeCreatePagefilePrivilege 4960 wmic.exe Token: SeBackupPrivilege 4960 wmic.exe Token: SeRestorePrivilege 4960 wmic.exe Token: SeShutdownPrivilege 4960 wmic.exe Token: SeDebugPrivilege 4960 wmic.exe Token: SeSystemEnvironmentPrivilege 4960 wmic.exe Token: SeRemoteShutdownPrivilege 4960 wmic.exe Token: SeUndockPrivilege 4960 wmic.exe Token: SeManageVolumePrivilege 4960 wmic.exe Token: 33 4960 wmic.exe Token: 34 4960 wmic.exe Token: 35 4960 wmic.exe Token: 36 4960 wmic.exe Token: SeBackupPrivilege 4496 vssvc.exe Token: SeRestorePrivilege 4496 vssvc.exe Token: SeAuditPrivilege 4496 vssvc.exe Token: SeShutdownPrivilege 4884 svchost.exe Token: SeCreatePagefilePrivilege 4884 svchost.exe Token: SeShutdownPrivilege 4884 svchost.exe Token: SeCreatePagefilePrivilege 4884 svchost.exe Token: SeShutdownPrivilege 4884 svchost.exe Token: SeCreatePagefilePrivilege 4884 svchost.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3900 wrote to memory of 4960 3900 9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe 90 PID 3900 wrote to memory of 4960 3900 9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe"C:\Users\Admin\AppData\Local\Temp\9fcab81f339b7e009a40e9f263f8d2e56fcf1ec5fc230ee47c69e0b672b7c272.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\Windows\system32\wbem\wmic.exe"C:\fsx\hu\..\..\Windows\iehs\..\system32\do\m\..\..\wbem\c\ij\..\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4960
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4496
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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:4884