Analysis
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max time kernel
174s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
16/02/2022, 23:03
Static task
static1
Behavioral task
behavioral1
Sample
4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe
Resource
win10v2004-en-20220113
General
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Target
4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe
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Size
350KB
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MD5
e57ba11045a4b7bc30bd2d33498ef194
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SHA1
63c349d542422e1e6068b897fb9340342414f4b3
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SHA256
4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9
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SHA512
5ef5c8c5924e091dcc75b0a8f6cd0a7b77349656a57b801370d8cdd5fca1fbb364cbb28cf3c7d588c6382d686ee672f9564e98275b7ce9049f1f0c2d730536bb
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.edb svchost.exe 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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1700 4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe 1700 4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe -
Suspicious use of AdjustPrivilegeToken 51 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2020 wmic.exe Token: SeSecurityPrivilege 2020 wmic.exe Token: SeTakeOwnershipPrivilege 2020 wmic.exe Token: SeLoadDriverPrivilege 2020 wmic.exe Token: SeSystemProfilePrivilege 2020 wmic.exe Token: SeSystemtimePrivilege 2020 wmic.exe Token: SeProfSingleProcessPrivilege 2020 wmic.exe Token: SeIncBasePriorityPrivilege 2020 wmic.exe Token: SeCreatePagefilePrivilege 2020 wmic.exe Token: SeBackupPrivilege 2020 wmic.exe Token: SeRestorePrivilege 2020 wmic.exe Token: SeShutdownPrivilege 2020 wmic.exe Token: SeDebugPrivilege 2020 wmic.exe Token: SeSystemEnvironmentPrivilege 2020 wmic.exe Token: SeRemoteShutdownPrivilege 2020 wmic.exe Token: SeUndockPrivilege 2020 wmic.exe Token: SeManageVolumePrivilege 2020 wmic.exe Token: 33 2020 wmic.exe Token: 34 2020 wmic.exe Token: 35 2020 wmic.exe Token: 36 2020 wmic.exe Token: SeIncreaseQuotaPrivilege 2020 wmic.exe Token: SeSecurityPrivilege 2020 wmic.exe Token: SeTakeOwnershipPrivilege 2020 wmic.exe Token: SeLoadDriverPrivilege 2020 wmic.exe Token: SeSystemProfilePrivilege 2020 wmic.exe Token: SeSystemtimePrivilege 2020 wmic.exe Token: SeProfSingleProcessPrivilege 2020 wmic.exe Token: SeIncBasePriorityPrivilege 2020 wmic.exe Token: SeCreatePagefilePrivilege 2020 wmic.exe Token: SeBackupPrivilege 2020 wmic.exe Token: SeRestorePrivilege 2020 wmic.exe Token: SeShutdownPrivilege 2020 wmic.exe Token: SeDebugPrivilege 2020 wmic.exe Token: SeSystemEnvironmentPrivilege 2020 wmic.exe Token: SeRemoteShutdownPrivilege 2020 wmic.exe Token: SeUndockPrivilege 2020 wmic.exe Token: SeManageVolumePrivilege 2020 wmic.exe Token: 33 2020 wmic.exe Token: 34 2020 wmic.exe Token: 35 2020 wmic.exe Token: 36 2020 wmic.exe Token: SeBackupPrivilege 1468 vssvc.exe Token: SeRestorePrivilege 1468 vssvc.exe Token: SeAuditPrivilege 1468 vssvc.exe Token: SeShutdownPrivilege 1660 svchost.exe Token: SeCreatePagefilePrivilege 1660 svchost.exe Token: SeShutdownPrivilege 1660 svchost.exe Token: SeCreatePagefilePrivilege 1660 svchost.exe Token: SeShutdownPrivilege 1660 svchost.exe Token: SeCreatePagefilePrivilege 1660 svchost.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1700 wrote to memory of 2020 1700 4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe 88 PID 1700 wrote to memory of 2020 1700 4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe"C:\Users\Admin\AppData\Local\Temp\4674a5f259bdca4233d6e20c7797dd66db2a841be82dc9b73b71e04c51b546c9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\system32\wbem\wmic.exe"C:\jui\akgxc\f\..\..\..\Windows\ijkl\t\re\..\..\..\system32\caupr\jggti\wgf\..\..\..\wbem\dm\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2020
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1468
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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:1660