Analysis
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max time kernel
169s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
01-02-2022 15:53
Static task
static1
Behavioral task
behavioral1
Sample
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe
Resource
win10v2004-en-20220112
General
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Target
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe
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Size
669KB
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MD5
c963b021bb8c55cacd4b830c67186232
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SHA1
58b69e090c23bbb16b656ee750f4e5a9aff246b2
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SHA256
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2
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SHA512
9755275e20b1b43fe62846d29a7df59b3e0ef56c718d43a0091b887ba0d32d9bbf8147054d0ffb75691ac630ec269727b38d233b6cedf3e3492340089f3452b0
Malware Config
Extracted
C:\RECOVER_INSTRUCTIONS.html
href="mailto:[email protected]">[email protected]</a><br>
href="mailto:[email protected]">[email protected]</a>
http-equiv="X-UA-Compatible"
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/0x000b000000021e12-130.dat family_medusalocker behavioral2/files/0x000b000000021e12-131.dat family_medusalocker -
Executes dropped EXE 1 IoCs
Processes:
svhost.exepid Process 1232 svhost.exe -
Processes:
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exedescription ioc Process File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-790714498-1549421491-1643397139-1000\desktop.ini 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exedescription ioc Process File opened (read-only) \??\P: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\U: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\B: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\E: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\L: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\M: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\O: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\F: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\K: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\X: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\V: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\W: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\Y: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\J: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\N: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\Q: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\S: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\T: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\Z: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\A: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\G: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\H: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\I: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe File opened (read-only) \??\R: 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.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:
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exepid Process 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
Processes:
wmic.exewmic.exewmic.exedescription pid Process Token: SeIncreaseQuotaPrivilege 1912 wmic.exe Token: SeSecurityPrivilege 1912 wmic.exe Token: SeTakeOwnershipPrivilege 1912 wmic.exe Token: SeLoadDriverPrivilege 1912 wmic.exe Token: SeSystemProfilePrivilege 1912 wmic.exe Token: SeSystemtimePrivilege 1912 wmic.exe Token: SeProfSingleProcessPrivilege 1912 wmic.exe Token: SeIncBasePriorityPrivilege 1912 wmic.exe Token: SeCreatePagefilePrivilege 1912 wmic.exe Token: SeBackupPrivilege 1912 wmic.exe Token: SeRestorePrivilege 1912 wmic.exe Token: SeShutdownPrivilege 1912 wmic.exe Token: SeDebugPrivilege 1912 wmic.exe Token: SeSystemEnvironmentPrivilege 1912 wmic.exe Token: SeRemoteShutdownPrivilege 1912 wmic.exe Token: SeUndockPrivilege 1912 wmic.exe Token: SeManageVolumePrivilege 1912 wmic.exe Token: 33 1912 wmic.exe Token: 34 1912 wmic.exe Token: 35 1912 wmic.exe Token: 36 1912 wmic.exe Token: SeIncreaseQuotaPrivilege 2360 wmic.exe Token: SeSecurityPrivilege 2360 wmic.exe Token: SeTakeOwnershipPrivilege 2360 wmic.exe Token: SeLoadDriverPrivilege 2360 wmic.exe Token: SeSystemProfilePrivilege 2360 wmic.exe Token: SeSystemtimePrivilege 2360 wmic.exe Token: SeProfSingleProcessPrivilege 2360 wmic.exe Token: SeIncBasePriorityPrivilege 2360 wmic.exe Token: SeCreatePagefilePrivilege 2360 wmic.exe Token: SeBackupPrivilege 2360 wmic.exe Token: SeRestorePrivilege 2360 wmic.exe Token: SeShutdownPrivilege 2360 wmic.exe Token: SeDebugPrivilege 2360 wmic.exe Token: SeSystemEnvironmentPrivilege 2360 wmic.exe Token: SeRemoteShutdownPrivilege 2360 wmic.exe Token: SeUndockPrivilege 2360 wmic.exe Token: SeManageVolumePrivilege 2360 wmic.exe Token: 33 2360 wmic.exe Token: 34 2360 wmic.exe Token: 35 2360 wmic.exe Token: 36 2360 wmic.exe Token: SeIncreaseQuotaPrivilege 3952 wmic.exe Token: SeSecurityPrivilege 3952 wmic.exe Token: SeTakeOwnershipPrivilege 3952 wmic.exe Token: SeLoadDriverPrivilege 3952 wmic.exe Token: SeSystemProfilePrivilege 3952 wmic.exe Token: SeSystemtimePrivilege 3952 wmic.exe Token: SeProfSingleProcessPrivilege 3952 wmic.exe Token: SeIncBasePriorityPrivilege 3952 wmic.exe Token: SeCreatePagefilePrivilege 3952 wmic.exe Token: SeBackupPrivilege 3952 wmic.exe Token: SeRestorePrivilege 3952 wmic.exe Token: SeShutdownPrivilege 3952 wmic.exe Token: SeDebugPrivilege 3952 wmic.exe Token: SeSystemEnvironmentPrivilege 3952 wmic.exe Token: SeRemoteShutdownPrivilege 3952 wmic.exe Token: SeUndockPrivilege 3952 wmic.exe Token: SeManageVolumePrivilege 3952 wmic.exe Token: 33 3952 wmic.exe Token: 34 3952 wmic.exe Token: 35 3952 wmic.exe Token: 36 3952 wmic.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exedescription pid Process procid_target PID 3532 wrote to memory of 1912 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 58 PID 3532 wrote to memory of 1912 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 58 PID 3532 wrote to memory of 1912 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 58 PID 3532 wrote to memory of 2360 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 63 PID 3532 wrote to memory of 2360 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 63 PID 3532 wrote to memory of 2360 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 63 PID 3532 wrote to memory of 3952 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 65 PID 3532 wrote to memory of 3952 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 65 PID 3532 wrote to memory of 3952 3532 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe 65 -
System policy modification 1 TTPs 3 IoCs
Processes:
03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.exe"C:\Users\Admin\AppData\Local\Temp\03ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2.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:3532 -
C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1912
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2360
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3952
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:772
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wusvcs -p1⤵PID:1392
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:1232
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
c963b021bb8c55cacd4b830c67186232
SHA158b69e090c23bbb16b656ee750f4e5a9aff246b2
SHA25603ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2
SHA5129755275e20b1b43fe62846d29a7df59b3e0ef56c718d43a0091b887ba0d32d9bbf8147054d0ffb75691ac630ec269727b38d233b6cedf3e3492340089f3452b0
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MD5
c963b021bb8c55cacd4b830c67186232
SHA158b69e090c23bbb16b656ee750f4e5a9aff246b2
SHA25603ebe8dc4828536fea08858fdfc3b53237eb514fe8cf6bc7134afb41b22f96a2
SHA5129755275e20b1b43fe62846d29a7df59b3e0ef56c718d43a0091b887ba0d32d9bbf8147054d0ffb75691ac630ec269727b38d233b6cedf3e3492340089f3452b0