Analysis
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max time kernel
118s -
max time network
131s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 04:17
Static task
static1
Behavioral task
behavioral1
Sample
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe
Resource
win10v2004-en-20220113
General
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Target
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe
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Size
191KB
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MD5
122734cc7a944546aadc2f6d5d7c5cb1
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SHA1
f7d21e975864928556670f11d96a12ab7765f161
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SHA256
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258
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SHA512
aab43b39bbf4c200508212735d6e814a999d4c38520cb690a7877e9407f3928703f47f4342914c8bf15406ab75a36c6f47e2f07c3a0424399867e6fb61853109
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 876 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1000 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exepid process 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.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:
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exedescription pid process Token: SeIncBasePriorityPrivilege 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.execmd.exedescription pid process target process PID 1516 wrote to memory of 876 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe MediaCenter.exe PID 1516 wrote to memory of 876 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe MediaCenter.exe PID 1516 wrote to memory of 876 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe MediaCenter.exe PID 1516 wrote to memory of 876 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe MediaCenter.exe PID 1516 wrote to memory of 1000 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe cmd.exe PID 1516 wrote to memory of 1000 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe cmd.exe PID 1516 wrote to memory of 1000 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe cmd.exe PID 1516 wrote to memory of 1000 1516 1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe cmd.exe PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE PID 1000 wrote to memory of 1876 1000 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe"C:\Users\Admin\AppData\Local\Temp\1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:876 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1596dc6b9cda4fccc9a8f73d75597d2cead87b22e5e9695ca02f7acd8ce84258.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1876
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
7a86be421f7f3edbb814d06ecc5ea454
SHA1be922254c2cb899baafb9f260e1262edb33b2674
SHA256eab3fae9aa54295c1ccdd4bfa63b72ab9823c90eae56b329afa0907976f02ac9
SHA51245d5e4b6632006f7b8ce9d4046c85f110244525ba32e4a3e086e7dbcf7424858c7920b7894039ec65ca8180c60c8775705596787c1b72832d70d17d82d440c69
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MD5
7a86be421f7f3edbb814d06ecc5ea454
SHA1be922254c2cb899baafb9f260e1262edb33b2674
SHA256eab3fae9aa54295c1ccdd4bfa63b72ab9823c90eae56b329afa0907976f02ac9
SHA51245d5e4b6632006f7b8ce9d4046c85f110244525ba32e4a3e086e7dbcf7424858c7920b7894039ec65ca8180c60c8775705596787c1b72832d70d17d82d440c69
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MD5
7a86be421f7f3edbb814d06ecc5ea454
SHA1be922254c2cb899baafb9f260e1262edb33b2674
SHA256eab3fae9aa54295c1ccdd4bfa63b72ab9823c90eae56b329afa0907976f02ac9
SHA51245d5e4b6632006f7b8ce9d4046c85f110244525ba32e4a3e086e7dbcf7424858c7920b7894039ec65ca8180c60c8775705596787c1b72832d70d17d82d440c69