Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
31-01-2022 00:36
Static task
static1
Behavioral task
behavioral1
Sample
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe
Resource
win10-en-20211208
General
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Target
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe
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Size
79KB
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MD5
116dbfd8f5b6c5a5522d3b83a3821268
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SHA1
a87e52e413a3407dc5284e090a636680979592cc
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SHA256
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758
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SHA512
471bad05c24db39ffa336f2c8f32c255af07ec754020eb7759df3660bd85b855cc75db18b7053a2e9ae9cb6c59bfa889ba97956d62a50a81287ae35e846a7f58
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 1636 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 604 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exepid process 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.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:
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exedescription pid process Token: SeIncBasePriorityPrivilege 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.execmd.exedescription pid process target process PID 1224 wrote to memory of 1636 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe MediaCenter.exe PID 1224 wrote to memory of 1636 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe MediaCenter.exe PID 1224 wrote to memory of 1636 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe MediaCenter.exe PID 1224 wrote to memory of 1636 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe MediaCenter.exe PID 1224 wrote to memory of 604 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe cmd.exe PID 1224 wrote to memory of 604 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe cmd.exe PID 1224 wrote to memory of 604 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe cmd.exe PID 1224 wrote to memory of 604 1224 51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe cmd.exe PID 604 wrote to memory of 1992 604 cmd.exe PING.EXE PID 604 wrote to memory of 1992 604 cmd.exe PING.EXE PID 604 wrote to memory of 1992 604 cmd.exe PING.EXE PID 604 wrote to memory of 1992 604 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe"C:\Users\Admin\AppData\Local\Temp\51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1636 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\51fe6e36cc11720e5d5d2b11993175fd7b95de6a28ecb58deb783e1a4ef0f758.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:604 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1992
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
42ef37d89f19e099f4bd2dc4c4a1819b
SHA16e4c13c7d2496e16f180fd5a39099671c4461caa
SHA25605a19cecada2123e168bc4fe4983de779a0a9814e8f8e92c76707f4c92a38c95
SHA5123048c26e86b4793d02d5b6fe3aabb287c620e2ce3e5ccf4f42eb8d8908deccb1b3e8ace49221313c6b17ddcbdc23617af7fb56aa53a4c603feb17d5ba54e9ed4
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MD5
42ef37d89f19e099f4bd2dc4c4a1819b
SHA16e4c13c7d2496e16f180fd5a39099671c4461caa
SHA25605a19cecada2123e168bc4fe4983de779a0a9814e8f8e92c76707f4c92a38c95
SHA5123048c26e86b4793d02d5b6fe3aabb287c620e2ce3e5ccf4f42eb8d8908deccb1b3e8ace49221313c6b17ddcbdc23617af7fb56aa53a4c603feb17d5ba54e9ed4
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MD5
42ef37d89f19e099f4bd2dc4c4a1819b
SHA16e4c13c7d2496e16f180fd5a39099671c4461caa
SHA25605a19cecada2123e168bc4fe4983de779a0a9814e8f8e92c76707f4c92a38c95
SHA5123048c26e86b4793d02d5b6fe3aabb287c620e2ce3e5ccf4f42eb8d8908deccb1b3e8ace49221313c6b17ddcbdc23617af7fb56aa53a4c603feb17d5ba54e9ed4