Analysis
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max time kernel
142s -
max time network
150s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 05:42
Static task
static1
Behavioral task
behavioral1
Sample
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe
Resource
win10v2004-en-20220112
General
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Target
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe
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Size
99KB
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MD5
3c6c39becd961ee54bfbfb7d751cadac
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SHA1
78bbd4e6cf38eafc34ffec9bd759fb8b1ae49ecc
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SHA256
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983
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SHA512
3d14d5b2e46de198af15a1472fafeccd1b42eb0a79ee8579e35fdde80e93f16dd83159a46f66fb223ee6ce84541df520c99d8e7ed659343ec5761772eaaf7545
Malware Config
Signatures
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Sakula Payload 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1340 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1440 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exepid process 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exedescription pid process Token: SeIncBasePriorityPrivilege 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.execmd.exedescription pid process target process PID 1668 wrote to memory of 1340 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe MediaCenter.exe PID 1668 wrote to memory of 1340 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe MediaCenter.exe PID 1668 wrote to memory of 1340 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe MediaCenter.exe PID 1668 wrote to memory of 1340 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe MediaCenter.exe PID 1668 wrote to memory of 1440 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe cmd.exe PID 1668 wrote to memory of 1440 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe cmd.exe PID 1668 wrote to memory of 1440 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe cmd.exe PID 1668 wrote to memory of 1440 1668 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe cmd.exe PID 1440 wrote to memory of 1512 1440 cmd.exe PING.EXE PID 1440 wrote to memory of 1512 1440 cmd.exe PING.EXE PID 1440 wrote to memory of 1512 1440 cmd.exe PING.EXE PID 1440 wrote to memory of 1512 1440 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe"C:\Users\Admin\AppData\Local\Temp\11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1340 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1512
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
efa9ed64d7ea1e1e9794986bd3cd03c6
SHA142cc598d9fd79a85c173cb40c0ccb0df4c3e051c
SHA2567874e885038e432f4e9df0d70086b83bb63816a52249075107df8440c338795a
SHA51200582f544c088f90fed56827192103582b85004f4dc9c7fc908ecf88c7737604fde8292440757ab2224026a1611fbec7137d0f4db93b7354bb07aedf6fe27b74
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MD5
efa9ed64d7ea1e1e9794986bd3cd03c6
SHA142cc598d9fd79a85c173cb40c0ccb0df4c3e051c
SHA2567874e885038e432f4e9df0d70086b83bb63816a52249075107df8440c338795a
SHA51200582f544c088f90fed56827192103582b85004f4dc9c7fc908ecf88c7737604fde8292440757ab2224026a1611fbec7137d0f4db93b7354bb07aedf6fe27b74
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MD5
efa9ed64d7ea1e1e9794986bd3cd03c6
SHA142cc598d9fd79a85c173cb40c0ccb0df4c3e051c
SHA2567874e885038e432f4e9df0d70086b83bb63816a52249075107df8440c338795a
SHA51200582f544c088f90fed56827192103582b85004f4dc9c7fc908ecf88c7737604fde8292440757ab2224026a1611fbec7137d0f4db93b7354bb07aedf6fe27b74