Analysis
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max time kernel
180s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
01-02-2022 15:24
Static task
static1
Behavioral task
behavioral1
Sample
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe
Resource
win10v2004-en-20220112
General
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Target
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe
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Size
669KB
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MD5
1f3548a95dc40f450f7188c943e568d9
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SHA1
d5b46eb0c5315518b7f5dc35b5293e1d5256b7f0
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SHA256
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8
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SHA512
8d07e51439e057265a0caa39c0ce358ede6f9ba0eb3f8c063d1a3f0a575749fb5453f2c3ba83748ca6b86d0ff30fe3f1139cfdabaeec7aa81bf92694e30c277e
Malware Config
Extracted
C:\HOW_TO_RECOVER_DATA.html
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/0x000500000002158f-130.dat family_medusalocker behavioral2/files/0x000500000002158f-131.dat family_medusalocker -
Executes dropped EXE 1 IoCs
Processes:
svhost.exepid Process 2996 svhost.exe -
Processes:
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exedescription ioc Process File opened for modification \??\Z:\$RECYCLE.BIN\S-1-5-21-790714498-1549421491-1643397139-1000\desktop.ini e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exedescription ioc Process File opened (read-only) \??\G: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\J: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\K: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\L: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\R: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\V: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\Z: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\B: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\H: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\I: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\Q: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\X: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\A: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\E: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\F: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\N: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\T: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\U: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\Y: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\M: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\O: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\P: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\S: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe File opened (read-only) \??\W: e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exepid Process 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
Processes:
wmic.exewmic.exewmic.exedescription pid Process Token: SeIncreaseQuotaPrivilege 400 wmic.exe Token: SeSecurityPrivilege 400 wmic.exe Token: SeTakeOwnershipPrivilege 400 wmic.exe Token: SeLoadDriverPrivilege 400 wmic.exe Token: SeSystemProfilePrivilege 400 wmic.exe Token: SeSystemtimePrivilege 400 wmic.exe Token: SeProfSingleProcessPrivilege 400 wmic.exe Token: SeIncBasePriorityPrivilege 400 wmic.exe Token: SeCreatePagefilePrivilege 400 wmic.exe Token: SeBackupPrivilege 400 wmic.exe Token: SeRestorePrivilege 400 wmic.exe Token: SeShutdownPrivilege 400 wmic.exe Token: SeDebugPrivilege 400 wmic.exe Token: SeSystemEnvironmentPrivilege 400 wmic.exe Token: SeRemoteShutdownPrivilege 400 wmic.exe Token: SeUndockPrivilege 400 wmic.exe Token: SeManageVolumePrivilege 400 wmic.exe Token: 33 400 wmic.exe Token: 34 400 wmic.exe Token: 35 400 wmic.exe Token: 36 400 wmic.exe Token: SeIncreaseQuotaPrivilege 3392 wmic.exe Token: SeSecurityPrivilege 3392 wmic.exe Token: SeTakeOwnershipPrivilege 3392 wmic.exe Token: SeLoadDriverPrivilege 3392 wmic.exe Token: SeSystemProfilePrivilege 3392 wmic.exe Token: SeSystemtimePrivilege 3392 wmic.exe Token: SeProfSingleProcessPrivilege 3392 wmic.exe Token: SeIncBasePriorityPrivilege 3392 wmic.exe Token: SeCreatePagefilePrivilege 3392 wmic.exe Token: SeBackupPrivilege 3392 wmic.exe Token: SeRestorePrivilege 3392 wmic.exe Token: SeShutdownPrivilege 3392 wmic.exe Token: SeDebugPrivilege 3392 wmic.exe Token: SeSystemEnvironmentPrivilege 3392 wmic.exe Token: SeRemoteShutdownPrivilege 3392 wmic.exe Token: SeUndockPrivilege 3392 wmic.exe Token: SeManageVolumePrivilege 3392 wmic.exe Token: 33 3392 wmic.exe Token: 34 3392 wmic.exe Token: 35 3392 wmic.exe Token: 36 3392 wmic.exe Token: SeIncreaseQuotaPrivilege 3288 wmic.exe Token: SeSecurityPrivilege 3288 wmic.exe Token: SeTakeOwnershipPrivilege 3288 wmic.exe Token: SeLoadDriverPrivilege 3288 wmic.exe Token: SeSystemProfilePrivilege 3288 wmic.exe Token: SeSystemtimePrivilege 3288 wmic.exe Token: SeProfSingleProcessPrivilege 3288 wmic.exe Token: SeIncBasePriorityPrivilege 3288 wmic.exe Token: SeCreatePagefilePrivilege 3288 wmic.exe Token: SeBackupPrivilege 3288 wmic.exe Token: SeRestorePrivilege 3288 wmic.exe Token: SeShutdownPrivilege 3288 wmic.exe Token: SeDebugPrivilege 3288 wmic.exe Token: SeSystemEnvironmentPrivilege 3288 wmic.exe Token: SeRemoteShutdownPrivilege 3288 wmic.exe Token: SeUndockPrivilege 3288 wmic.exe Token: SeManageVolumePrivilege 3288 wmic.exe Token: 33 3288 wmic.exe Token: 34 3288 wmic.exe Token: 35 3288 wmic.exe Token: 36 3288 wmic.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exedescription pid Process procid_target PID 3884 wrote to memory of 400 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 56 PID 3884 wrote to memory of 400 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 56 PID 3884 wrote to memory of 400 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 56 PID 3884 wrote to memory of 3392 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 60 PID 3884 wrote to memory of 3392 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 60 PID 3884 wrote to memory of 3392 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 60 PID 3884 wrote to memory of 3288 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 62 PID 3884 wrote to memory of 3288 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 62 PID 3884 wrote to memory of 3288 3884 e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe 62 -
System policy modification 1 TTPs 3 IoCs
Processes:
e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1" e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.exe"C:\Users\Admin\AppData\Local\Temp\e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8.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:3884 -
C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:400
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3392
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C:\Windows\SysWOW64\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3288
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C:\Users\Admin\AppData\Roaming\svhost.exeC:\Users\Admin\AppData\Roaming\svhost.exe1⤵
- Executes dropped EXE
PID:2996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
1f3548a95dc40f450f7188c943e568d9
SHA1d5b46eb0c5315518b7f5dc35b5293e1d5256b7f0
SHA256e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8
SHA5128d07e51439e057265a0caa39c0ce358ede6f9ba0eb3f8c063d1a3f0a575749fb5453f2c3ba83748ca6b86d0ff30fe3f1139cfdabaeec7aa81bf92694e30c277e
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MD5
1f3548a95dc40f450f7188c943e568d9
SHA1d5b46eb0c5315518b7f5dc35b5293e1d5256b7f0
SHA256e27a14af114438250721bfe21505ed32d78d4b03bd1365a39adfccd0394f5fe8
SHA5128d07e51439e057265a0caa39c0ce358ede6f9ba0eb3f8c063d1a3f0a575749fb5453f2c3ba83748ca6b86d0ff30fe3f1139cfdabaeec7aa81bf92694e30c277e