Analysis
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max time kernel
171s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 18:56
Static task
static1
Behavioral task
behavioral1
Sample
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe
Resource
win10v2004-20221111-en
General
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Target
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe
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Size
190KB
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MD5
42f8720babf6023d3dc12b289833a2e0
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SHA1
9850b915e50b25909cbf4b0b8989c1c019ba91ab
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SHA256
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d
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SHA512
0e54a8c89575bd2aa651591b0ea9039f87669f6d0e08da5a06e8614837d9ada91ae40e566db1390a40da25109378e0887dd86eb88a62afb6ab3d85fe972b7504
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SSDEEP
1536:pvVQb4cLIkN+4Weat2RKLjWlC48Pp9JAcjrSrowuCS:pvVQLIkLWeaA8KlCph9Growur
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
jusched.exepid process 1408 jusched.exe -
Loads dropped DLL 2 IoCs
Processes:
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exepid process 1736 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe 1736 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe -
Drops file in Program Files directory 2 IoCs
Processes:
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exedescription ioc process File created C:\Program Files (x86)\8c9281e3\jusched.exe 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe File created C:\Program Files (x86)\8c9281e3\8c9281e3 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe -
Drops file in Windows directory 1 IoCs
Processes:
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exedescription ioc process File created C:\Windows\Tasks\Update23.job 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 4 IoCs
Processes:
09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exedescription pid process target process PID 1736 wrote to memory of 1408 1736 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe jusched.exe PID 1736 wrote to memory of 1408 1736 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe jusched.exe PID 1736 wrote to memory of 1408 1736 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe jusched.exe PID 1736 wrote to memory of 1408 1736 09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe jusched.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe"C:\Users\Admin\AppData\Local\Temp\09dd251d854b0e8e20b8d3577e50c135632bf0dc364dda90f8c055f5b2b4346d.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Program Files (x86)\8c9281e3\jusched.exe"C:\Program Files (x86)\8c9281e3\jusched.exe"2⤵
- Executes dropped EXE
PID:1408
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
190KB
MD5afd3789cfdf16032b4b58ec0f39ec31e
SHA14802a50c22013038ddd9436bd84ab5424653ca4e
SHA256f2a0bd00320beaaf3de392e8042b76bd7db0636b27e553de738010b0faab5a54
SHA5129dff51fa76f0348b5aa066cf3a8f471eb09a17f97e198f2fba27538bfc1f3fdce363727bdfa29776537389cc3b94396bc7f6586285e197a34a925659df0f34b3
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Filesize
190KB
MD5afd3789cfdf16032b4b58ec0f39ec31e
SHA14802a50c22013038ddd9436bd84ab5424653ca4e
SHA256f2a0bd00320beaaf3de392e8042b76bd7db0636b27e553de738010b0faab5a54
SHA5129dff51fa76f0348b5aa066cf3a8f471eb09a17f97e198f2fba27538bfc1f3fdce363727bdfa29776537389cc3b94396bc7f6586285e197a34a925659df0f34b3
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Filesize
190KB
MD5afd3789cfdf16032b4b58ec0f39ec31e
SHA14802a50c22013038ddd9436bd84ab5424653ca4e
SHA256f2a0bd00320beaaf3de392e8042b76bd7db0636b27e553de738010b0faab5a54
SHA5129dff51fa76f0348b5aa066cf3a8f471eb09a17f97e198f2fba27538bfc1f3fdce363727bdfa29776537389cc3b94396bc7f6586285e197a34a925659df0f34b3