Analysis
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max time kernel
163s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
16-02-2022 22:34
Static task
static1
Behavioral task
behavioral1
Sample
e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe
Resource
win10v2004-en-20220113
General
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Target
e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe
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Size
473KB
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MD5
210bb726f1139a30bd83a7579e5322ac
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SHA1
cf50ae1c02f9f07566324cd23338c42e1327cd86
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SHA256
e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d
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SHA512
2665a7e4b97335ec6a38399e6fad1e4627e1f169e01868f13d4b6958ed692169e0f1f4d59472de91f7376c812a145c5abb8a4f3a3f371dd623bf39315d803eb0
Malware Config
Extracted
C:\DECRYPT-FILES.html
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 7 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4864 e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe 4864 e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe -
Suspicious use of AdjustPrivilegeToken 54 IoCs
description pid Process Token: SeShutdownPrivilege 3104 svchost.exe Token: SeCreatePagefilePrivilege 3104 svchost.exe Token: SeShutdownPrivilege 3104 svchost.exe Token: SeCreatePagefilePrivilege 3104 svchost.exe Token: SeShutdownPrivilege 3104 svchost.exe Token: SeCreatePagefilePrivilege 3104 svchost.exe Token: SeIncreaseQuotaPrivilege 700 wmic.exe Token: SeSecurityPrivilege 700 wmic.exe Token: SeTakeOwnershipPrivilege 700 wmic.exe Token: SeLoadDriverPrivilege 700 wmic.exe Token: SeSystemProfilePrivilege 700 wmic.exe Token: SeSystemtimePrivilege 700 wmic.exe Token: SeProfSingleProcessPrivilege 700 wmic.exe Token: SeIncBasePriorityPrivilege 700 wmic.exe Token: SeCreatePagefilePrivilege 700 wmic.exe Token: SeBackupPrivilege 700 wmic.exe Token: SeRestorePrivilege 700 wmic.exe Token: SeShutdownPrivilege 700 wmic.exe Token: SeDebugPrivilege 700 wmic.exe Token: SeSystemEnvironmentPrivilege 700 wmic.exe Token: SeRemoteShutdownPrivilege 700 wmic.exe Token: SeUndockPrivilege 700 wmic.exe Token: SeManageVolumePrivilege 700 wmic.exe Token: 33 700 wmic.exe Token: 34 700 wmic.exe Token: 35 700 wmic.exe Token: 36 700 wmic.exe Token: SeIncreaseQuotaPrivilege 700 wmic.exe Token: SeSecurityPrivilege 700 wmic.exe Token: SeTakeOwnershipPrivilege 700 wmic.exe Token: SeLoadDriverPrivilege 700 wmic.exe Token: SeSystemProfilePrivilege 700 wmic.exe Token: SeSystemtimePrivilege 700 wmic.exe Token: SeProfSingleProcessPrivilege 700 wmic.exe Token: SeIncBasePriorityPrivilege 700 wmic.exe Token: SeCreatePagefilePrivilege 700 wmic.exe Token: SeBackupPrivilege 700 wmic.exe Token: SeRestorePrivilege 700 wmic.exe Token: SeShutdownPrivilege 700 wmic.exe Token: SeDebugPrivilege 700 wmic.exe Token: SeSystemEnvironmentPrivilege 700 wmic.exe Token: SeRemoteShutdownPrivilege 700 wmic.exe Token: SeUndockPrivilege 700 wmic.exe Token: SeManageVolumePrivilege 700 wmic.exe Token: 33 700 wmic.exe Token: 34 700 wmic.exe Token: 35 700 wmic.exe Token: 36 700 wmic.exe Token: SeBackupPrivilege 1984 vssvc.exe Token: SeRestorePrivilege 1984 vssvc.exe Token: SeAuditPrivilege 1984 vssvc.exe Token: SeSecurityPrivilege 1672 TiWorker.exe Token: SeRestorePrivilege 1672 TiWorker.exe Token: SeBackupPrivilege 1672 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4864 wrote to memory of 700 4864 e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe 92 PID 4864 wrote to memory of 700 4864 e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe"C:\Users\Admin\AppData\Local\Temp\e5feb48ba722996c71c55ddc8b4648cdbbc1fc382e9b0bfcae904273e10ef57d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\system32\wbem\wmic.exe"C:\wrnpf\s\wqb\..\..\..\Windows\xrt\..\system32\y\lych\oord\..\..\..\wbem\pn\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:700
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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:3104
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1984
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1672