Analysis
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max time kernel
140s -
max time network
156s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 04:37
Static task
static1
Behavioral task
behavioral1
Sample
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe
Resource
win10v2004-en-20220112
General
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Target
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe
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Size
92KB
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MD5
2a6beb71ea4a61e32304a6bd8045a3e3
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SHA1
b28668396678a79ecb4a5733ef8cf3dcaad6d683
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SHA256
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134
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SHA512
afe00ebcb1ee1cbf5f27ae78d936b88c7b1efb6d701bbf9d7adabbde3fe08b1af9faf573d5e8c380367cb65ac375810ccc1a7bd28ebe07e4f9de4ba28768c382
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1288 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 952 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exepid process 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.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:
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exedescription pid process Token: SeIncBasePriorityPrivilege 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.execmd.exedescription pid process target process PID 1464 wrote to memory of 1288 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe MediaCenter.exe PID 1464 wrote to memory of 1288 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe MediaCenter.exe PID 1464 wrote to memory of 1288 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe MediaCenter.exe PID 1464 wrote to memory of 1288 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe MediaCenter.exe PID 1464 wrote to memory of 952 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe cmd.exe PID 1464 wrote to memory of 952 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe cmd.exe PID 1464 wrote to memory of 952 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe cmd.exe PID 1464 wrote to memory of 952 1464 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe cmd.exe PID 952 wrote to memory of 1496 952 cmd.exe PING.EXE PID 952 wrote to memory of 1496 952 cmd.exe PING.EXE PID 952 wrote to memory of 1496 952 cmd.exe PING.EXE PID 952 wrote to memory of 1496 952 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe"C:\Users\Admin\AppData\Local\Temp\15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1288 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:952 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1496
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0256ca1b2e8991c0c8ade617bc246cf4
SHA1c78889a8f7ebaf42de3dd4cabff44affbf1568aa
SHA256682b02c21dfa6ea8fe4aa2f4ff77fb318fc59afe33c0a6b4619ec37440458fe2
SHA512e58cc7c94136119a1180e7612e10e1b9a7fb14965562f6f4ee96e2ec3030615658073b0888bc24679b6d550d25a4c12248b1acf6c2e6ccd23834c10e7955f2d4
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MD5
0256ca1b2e8991c0c8ade617bc246cf4
SHA1c78889a8f7ebaf42de3dd4cabff44affbf1568aa
SHA256682b02c21dfa6ea8fe4aa2f4ff77fb318fc59afe33c0a6b4619ec37440458fe2
SHA512e58cc7c94136119a1180e7612e10e1b9a7fb14965562f6f4ee96e2ec3030615658073b0888bc24679b6d550d25a4c12248b1acf6c2e6ccd23834c10e7955f2d4