Analysis
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max time kernel
181s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
01-02-2022 15:52
Static task
static1
Behavioral task
behavioral1
Sample
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe
Resource
win10v2004-en-20220112
General
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Target
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe
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Size
669KB
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MD5
6fa0eba23d16066944fa81e1bd50ae2a
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SHA1
c764db086d8f21e64aedb469f69f202af1b2c5a0
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SHA256
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9
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SHA512
9a6bd5d5656c7ffdd2980dcf8c5f4b61a7155800655b535e65a4211b7c43e89ab395c6016db0bbe604dd12858389876d452d7ad12288e6b976cfe59aa685ef57
Malware Config
Extracted
C:\HOW_TO_RECOVER_DATA.html
href="mailto:[email protected]">[email protected]</a><br>
href="mailto:[email protected]">[email protected]</a>
http-equiv="X-UA-Compatible"
http://meyerweb.com/eric/tools/css/reset/
Signatures
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MedusaLocker
Ransomware with several variants first seen in September 2019.
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MedusaLocker Payload 2 IoCs
Processes:
resource yara_rule behavioral2/files/0x0003000000021e17-187.dat family_medusalocker behavioral2/files/0x0003000000021e17-188.dat family_medusalocker -
Executes dropped EXE 1 IoCs
Processes:
svhost.exepid Process 3684 svhost.exe -
Processes:
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exedescription ioc Process File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-790714498-1549421491-1643397139-1000\desktop.ini 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exedescription ioc Process File opened (read-only) \??\R: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\A: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\B: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\F: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\H: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\L: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\M: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\N: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\T: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\X: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\Y: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\Z: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\E: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\Q: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\U: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\W: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\G: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\J: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\I: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\K: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\O: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\P: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\S: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe File opened (read-only) \??\V: 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exepid Process 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
Processes:
wmic.exewmic.exewmic.exedescription pid Process Token: SeIncreaseQuotaPrivilege 3408 wmic.exe Token: SeSecurityPrivilege 3408 wmic.exe Token: SeTakeOwnershipPrivilege 3408 wmic.exe Token: SeLoadDriverPrivilege 3408 wmic.exe Token: SeSystemProfilePrivilege 3408 wmic.exe Token: SeSystemtimePrivilege 3408 wmic.exe Token: SeProfSingleProcessPrivilege 3408 wmic.exe Token: SeIncBasePriorityPrivilege 3408 wmic.exe Token: SeCreatePagefilePrivilege 3408 wmic.exe Token: SeBackupPrivilege 3408 wmic.exe Token: SeRestorePrivilege 3408 wmic.exe Token: SeShutdownPrivilege 3408 wmic.exe Token: SeDebugPrivilege 3408 wmic.exe Token: SeSystemEnvironmentPrivilege 3408 wmic.exe Token: SeRemoteShutdownPrivilege 3408 wmic.exe Token: SeUndockPrivilege 3408 wmic.exe Token: SeManageVolumePrivilege 3408 wmic.exe Token: 33 3408 wmic.exe Token: 34 3408 wmic.exe Token: 35 3408 wmic.exe Token: 36 3408 wmic.exe Token: SeIncreaseQuotaPrivilege 2032 wmic.exe Token: SeSecurityPrivilege 2032 wmic.exe Token: SeTakeOwnershipPrivilege 2032 wmic.exe Token: SeLoadDriverPrivilege 2032 wmic.exe Token: SeSystemProfilePrivilege 2032 wmic.exe Token: SeSystemtimePrivilege 2032 wmic.exe Token: SeProfSingleProcessPrivilege 2032 wmic.exe Token: SeIncBasePriorityPrivilege 2032 wmic.exe Token: SeCreatePagefilePrivilege 2032 wmic.exe Token: SeBackupPrivilege 2032 wmic.exe Token: SeRestorePrivilege 2032 wmic.exe Token: SeShutdownPrivilege 2032 wmic.exe Token: SeDebugPrivilege 2032 wmic.exe Token: SeSystemEnvironmentPrivilege 2032 wmic.exe Token: SeRemoteShutdownPrivilege 2032 wmic.exe Token: SeUndockPrivilege 2032 wmic.exe Token: SeManageVolumePrivilege 2032 wmic.exe Token: 33 2032 wmic.exe Token: 34 2032 wmic.exe Token: 35 2032 wmic.exe Token: 36 2032 wmic.exe Token: SeIncreaseQuotaPrivilege 2264 wmic.exe Token: SeSecurityPrivilege 2264 wmic.exe Token: SeTakeOwnershipPrivilege 2264 wmic.exe Token: SeLoadDriverPrivilege 2264 wmic.exe Token: SeSystemProfilePrivilege 2264 wmic.exe Token: SeSystemtimePrivilege 2264 wmic.exe Token: SeProfSingleProcessPrivilege 2264 wmic.exe Token: SeIncBasePriorityPrivilege 2264 wmic.exe Token: SeCreatePagefilePrivilege 2264 wmic.exe Token: SeBackupPrivilege 2264 wmic.exe Token: SeRestorePrivilege 2264 wmic.exe Token: SeShutdownPrivilege 2264 wmic.exe Token: SeDebugPrivilege 2264 wmic.exe Token: SeSystemEnvironmentPrivilege 2264 wmic.exe Token: SeRemoteShutdownPrivilege 2264 wmic.exe Token: SeUndockPrivilege 2264 wmic.exe Token: SeManageVolumePrivilege 2264 wmic.exe Token: 33 2264 wmic.exe Token: 34 2264 wmic.exe Token: 35 2264 wmic.exe Token: 36 2264 wmic.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exedescription pid Process procid_target PID 4072 wrote to memory of 3408 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 60 PID 4072 wrote to memory of 3408 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 60 PID 4072 wrote to memory of 3408 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 60 PID 4072 wrote to memory of 2032 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 63 PID 4072 wrote to memory of 2032 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 63 PID 4072 wrote to memory of 2032 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 63 PID 4072 wrote to memory of 2264 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 65 PID 4072 wrote to memory of 2264 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 65 PID 4072 wrote to memory of 2264 4072 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe 65 -
System policy modification 1 TTPs 3 IoCs
Processes:
0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" 0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe"C:\Users\Admin\AppData\Local\Temp\0c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9.exe"1⤵
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4072 -
C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3408
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2032
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2264
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:776
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:3684
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6fa0eba23d16066944fa81e1bd50ae2a
SHA1c764db086d8f21e64aedb469f69f202af1b2c5a0
SHA2560c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9
SHA5129a6bd5d5656c7ffdd2980dcf8c5f4b61a7155800655b535e65a4211b7c43e89ab395c6016db0bbe604dd12858389876d452d7ad12288e6b976cfe59aa685ef57
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MD5
6fa0eba23d16066944fa81e1bd50ae2a
SHA1c764db086d8f21e64aedb469f69f202af1b2c5a0
SHA2560c840606112df18bfa06d58195a0ed43715c56899445d55f55bc3789fde14ed9
SHA5129a6bd5d5656c7ffdd2980dcf8c5f4b61a7155800655b535e65a4211b7c43e89ab395c6016db0bbe604dd12858389876d452d7ad12288e6b976cfe59aa685ef57