Analysis
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max time kernel
153s -
max time network
177s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 11:46
Static task
static1
Behavioral task
behavioral1
Sample
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe
Resource
win10v2004-en-20220113
General
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Target
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe
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Size
101KB
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MD5
b3b9032ffc3469c3de6dc5915eff1eac
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SHA1
990f43d52bfe2aea6213c06f102bc04359a6c468
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SHA256
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41
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SHA512
c54f6b10dac50ce8aa1351f9444bed3e0ab2463e7d304e2fbc0fecc5497f9b650c054996afd021e62bd25eba22b41476bf2164aca1860b6cfb48cf1a8435964e
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 1660 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1928 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exepid process 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.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:
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exedescription pid process Token: SeIncBasePriorityPrivilege 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.execmd.exedescription pid process target process PID 1488 wrote to memory of 1660 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe MediaCenter.exe PID 1488 wrote to memory of 1660 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe MediaCenter.exe PID 1488 wrote to memory of 1660 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe MediaCenter.exe PID 1488 wrote to memory of 1660 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe MediaCenter.exe PID 1488 wrote to memory of 1928 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe cmd.exe PID 1488 wrote to memory of 1928 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe cmd.exe PID 1488 wrote to memory of 1928 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe cmd.exe PID 1488 wrote to memory of 1928 1488 03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe cmd.exe PID 1928 wrote to memory of 2012 1928 cmd.exe PING.EXE PID 1928 wrote to memory of 2012 1928 cmd.exe PING.EXE PID 1928 wrote to memory of 2012 1928 cmd.exe PING.EXE PID 1928 wrote to memory of 2012 1928 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe"C:\Users\Admin\AppData\Local\Temp\03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1660
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03745f1941e6a2cfab3888f76abc5557af23aec8fd1867ae23aa47bd07017e41.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2012
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d1e66667f708f848aac067bdc25138f0
SHA19e3052da90ce9848bf621ea7a637e388d6b70e77
SHA256374142fcd0d8000ae67afbff649828ec5407456c1377e722e82274066ba5d30e
SHA51207b44b086396d4e99a1c97febf18d5401eda8fda5718b0000dc87191f6d9b1d3f69b23f73fbccd95d324b239855677a0adbb39cbda375ce9e084b3f4a556f4bd
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MD5
d1e66667f708f848aac067bdc25138f0
SHA19e3052da90ce9848bf621ea7a637e388d6b70e77
SHA256374142fcd0d8000ae67afbff649828ec5407456c1377e722e82274066ba5d30e
SHA51207b44b086396d4e99a1c97febf18d5401eda8fda5718b0000dc87191f6d9b1d3f69b23f73fbccd95d324b239855677a0adbb39cbda375ce9e084b3f4a556f4bd
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MD5
d1e66667f708f848aac067bdc25138f0
SHA19e3052da90ce9848bf621ea7a637e388d6b70e77
SHA256374142fcd0d8000ae67afbff649828ec5407456c1377e722e82274066ba5d30e
SHA51207b44b086396d4e99a1c97febf18d5401eda8fda5718b0000dc87191f6d9b1d3f69b23f73fbccd95d324b239855677a0adbb39cbda375ce9e084b3f4a556f4bd