Analysis
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max time kernel
117s -
max time network
129s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 02:51
Static task
static1
Behavioral task
behavioral1
Sample
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe
Resource
win10v2004-en-20220113
General
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Target
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe
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Size
108KB
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MD5
83c6de77e1428309ccbe44c4d12d52a0
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SHA1
ddecfd3a87e03efebf70fee9d66d17df9997a6aa
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SHA256
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8
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SHA512
d73d07d674c5b7b46f3fef7c2e0f3b4d74d9a797609c7349a0da07121f6c83374bb5f30e91eaf565e949787bb51a63c8ae8291fad6594a7689b65454b6e1f948
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 528 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1164 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exepid process 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.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:
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exedescription pid process Token: SeIncBasePriorityPrivilege 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.execmd.exedescription pid process target process PID 1560 wrote to memory of 528 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe MediaCenter.exe PID 1560 wrote to memory of 528 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe MediaCenter.exe PID 1560 wrote to memory of 528 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe MediaCenter.exe PID 1560 wrote to memory of 528 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe MediaCenter.exe PID 1560 wrote to memory of 1164 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe cmd.exe PID 1560 wrote to memory of 1164 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe cmd.exe PID 1560 wrote to memory of 1164 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe cmd.exe PID 1560 wrote to memory of 1164 1560 1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe cmd.exe PID 1164 wrote to memory of 1136 1164 cmd.exe PING.EXE PID 1164 wrote to memory of 1136 1164 cmd.exe PING.EXE PID 1164 wrote to memory of 1136 1164 cmd.exe PING.EXE PID 1164 wrote to memory of 1136 1164 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe"C:\Users\Admin\AppData\Local\Temp\1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:528 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1948b8cc0e1695e48898cc50ee35f4c833efd9b4c0f044f749eb9681317b12b8.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1164 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1136
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
65431c263bacef2eed47838818aca431
SHA10831f1fc6b46b1a7531333f1f1623b11348682a3
SHA2563de3cacc2123e0181465e9fe754bf445d10e77c0d2916e06dad08d05f1ff95f3
SHA512b5b12061d4db2e2b3e583c47f17dc01278b3284e261b027baf8d6c517c2c708fa3e60a7382c321515237378bda781b273642eff9671a7956a88761f678ae4607
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MD5
65431c263bacef2eed47838818aca431
SHA10831f1fc6b46b1a7531333f1f1623b11348682a3
SHA2563de3cacc2123e0181465e9fe754bf445d10e77c0d2916e06dad08d05f1ff95f3
SHA512b5b12061d4db2e2b3e583c47f17dc01278b3284e261b027baf8d6c517c2c708fa3e60a7382c321515237378bda781b273642eff9671a7956a88761f678ae4607
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MD5
65431c263bacef2eed47838818aca431
SHA10831f1fc6b46b1a7531333f1f1623b11348682a3
SHA2563de3cacc2123e0181465e9fe754bf445d10e77c0d2916e06dad08d05f1ff95f3
SHA512b5b12061d4db2e2b3e583c47f17dc01278b3284e261b027baf8d6c517c2c708fa3e60a7382c321515237378bda781b273642eff9671a7956a88761f678ae4607