Analysis
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max time kernel
168s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2023 08:29
Behavioral task
behavioral1
Sample
NEAS.dd05533d169203a5fc5d1752205ed9ba.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.dd05533d169203a5fc5d1752205ed9ba.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.dd05533d169203a5fc5d1752205ed9ba.exe
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Size
332KB
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MD5
dd05533d169203a5fc5d1752205ed9ba
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SHA1
5acc75eb219f93b60323d2a059afd5c36695307b
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SHA256
4efe5f367b03c7f134c7706e47eecdbefe84c604dad7e6b7f07792c67c038bfa
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SHA512
dce5cef2a1b69263d717cfd0be8743879efa45c8f80e3f3e97ce7988e3397cc40efabb10b63ce38b8c0ece0319f9967a8f2fb41e0b9bdf7cd1dcb9257a7dc480
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SSDEEP
6144:Nj9c2WYd30BKmiPVpU3ypIPr3D3StNynyS/E:NSI2HA
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
NEAS.dd05533d169203a5fc5d1752205ed9ba.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation NEAS.dd05533d169203a5fc5d1752205ed9ba.exe -
Executes dropped EXE 1 IoCs
Processes:
AdobeUpdate.exepid process 4192 AdobeUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
NEAS.dd05533d169203a5fc5d1752205ed9ba.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" NEAS.dd05533d169203a5fc5d1752205ed9ba.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
NEAS.dd05533d169203a5fc5d1752205ed9ba.exedescription pid process Token: SeIncBasePriorityPrivilege 4812 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
NEAS.dd05533d169203a5fc5d1752205ed9ba.execmd.exedescription pid process target process PID 4812 wrote to memory of 4192 4812 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe AdobeUpdate.exe PID 4812 wrote to memory of 4192 4812 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe AdobeUpdate.exe PID 4812 wrote to memory of 4192 4812 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe AdobeUpdate.exe PID 4812 wrote to memory of 1676 4812 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe cmd.exe PID 4812 wrote to memory of 1676 4812 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe cmd.exe PID 4812 wrote to memory of 1676 4812 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe cmd.exe PID 1676 wrote to memory of 576 1676 cmd.exe PING.EXE PID 1676 wrote to memory of 576 1676 cmd.exe PING.EXE PID 1676 wrote to memory of 576 1676 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.dd05533d169203a5fc5d1752205ed9ba.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.dd05533d169203a5fc5d1752205ed9ba.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe2⤵
- Executes dropped EXE
PID:4192 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.dd05533d169203a5fc5d1752205ed9ba.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:576
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exeFilesize
332KB
MD5176036bc2ca65e07da40696e31355b8e
SHA1b8df883ce0f87a1525b238dc06003c914de470d4
SHA256224838ae7925fcd3d80c584b6a270c6e9132d039fcf8958494f3909064465d6f
SHA51299806ae9cfc9903e39dd222a76a81ac2ce595926a69c70e60d2b11076eedb9c691d6aaa2f160ef0b4b5ea2fe9d83e91b389a4bdc66fae4c954ee4002378b2319
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exeFilesize
332KB
MD5176036bc2ca65e07da40696e31355b8e
SHA1b8df883ce0f87a1525b238dc06003c914de470d4
SHA256224838ae7925fcd3d80c584b6a270c6e9132d039fcf8958494f3909064465d6f
SHA51299806ae9cfc9903e39dd222a76a81ac2ce595926a69c70e60d2b11076eedb9c691d6aaa2f160ef0b4b5ea2fe9d83e91b389a4bdc66fae4c954ee4002378b2319