Analysis
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max time kernel
123s -
max time network
136s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
22-01-2022 00:50
Static task
static1
Behavioral task
behavioral1
Sample
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe
Resource
win10-en-20211208
General
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Target
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe
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Size
89KB
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MD5
bc74a557e91597d8b37ed357c367643e
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SHA1
0f7ccd39a0c4c5846da1dc5330c918316c917da8
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SHA256
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d
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SHA512
88f9d398a7a806bde6be8bfd743848b7d72ed28c39f969f7e594358a602c707a2e1dc0d3691af58c7d379f26745973cb3320bc46c24d2110115e4448219cb89e
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 1096 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 428 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exepid process 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.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:
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exedescription pid process Token: SeIncBasePriorityPrivilege 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.execmd.exedescription pid process target process PID 1584 wrote to memory of 1096 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe MediaCenter.exe PID 1584 wrote to memory of 1096 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe MediaCenter.exe PID 1584 wrote to memory of 1096 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe MediaCenter.exe PID 1584 wrote to memory of 1096 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe MediaCenter.exe PID 1584 wrote to memory of 428 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe cmd.exe PID 1584 wrote to memory of 428 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe cmd.exe PID 1584 wrote to memory of 428 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe cmd.exe PID 1584 wrote to memory of 428 1584 29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe cmd.exe PID 428 wrote to memory of 1040 428 cmd.exe PING.EXE PID 428 wrote to memory of 1040 428 cmd.exe PING.EXE PID 428 wrote to memory of 1040 428 cmd.exe PING.EXE PID 428 wrote to memory of 1040 428 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe"C:\Users\Admin\AppData\Local\Temp\29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1096 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\29fce7d6b08acaf601c149c254fa3184556ff544bb20c90b9664ebdf85cc3a6d.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:428 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1040
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
94eb00b42be065f0f42f7b5d907d8f66
SHA164e4ac9b34a45a214967f4ee0a0b4c45236628b2
SHA256e8996f8ab0d2dde71aa2adcf9c5a4f12bdc416c08c5f070e8081717f24d832ab
SHA5128a1c927e21b76ba117425772641948b6ee5076baac3fdddbf64137484677728bea71adb7e05ffb5333cbd8f985ed48d300f9fe6219947b75258bba7bc3f608e3
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MD5
94eb00b42be065f0f42f7b5d907d8f66
SHA164e4ac9b34a45a214967f4ee0a0b4c45236628b2
SHA256e8996f8ab0d2dde71aa2adcf9c5a4f12bdc416c08c5f070e8081717f24d832ab
SHA5128a1c927e21b76ba117425772641948b6ee5076baac3fdddbf64137484677728bea71adb7e05ffb5333cbd8f985ed48d300f9fe6219947b75258bba7bc3f608e3