Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07/09/2024, 12:47
Behavioral task
behavioral1
Sample
Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe
Resource
win10v2004-20240802-en
General
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Target
Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe
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Size
92KB
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MD5
c28098175997d42658cc962fddfa4d66
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SHA1
3ff7792a3f7aef62db8f3e356c774a4eae0971e3
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SHA256
539e4310882605c47f0e625def8f057758df0a3072cb4d7a5894a5570c6aa3f0
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SHA512
c4967c12ece1848dce16bb4b0d4bb507429ed7d4c44d0b23f048110bf98adf98331d37dc12004195a51ab227c2343dcf4e640198554fba8feaaf6e823497157f
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtr3:9bfVk29te2jqxCEtg30Bj
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula payload 1 IoCs
resource yara_rule behavioral2/files/0x000700000002344d-3.dat family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe -
Executes dropped EXE 1 IoCs
pid Process 2588 AdobeUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdobeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4564 cmd.exe 1580 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1580 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1216 Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1216 wrote to memory of 2588 1216 Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe 83 PID 1216 wrote to memory of 2588 1216 Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe 83 PID 1216 wrote to memory of 2588 1216 Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe 83 PID 1216 wrote to memory of 4564 1216 Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe 95 PID 1216 wrote to memory of 4564 1216 Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe 95 PID 1216 wrote to memory of 4564 1216 Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe 95 PID 4564 wrote to memory of 1580 4564 cmd.exe 97 PID 4564 wrote to memory of 1580 4564 cmd.exe 97 PID 4564 wrote to memory of 1580 4564 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe"C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2588
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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\Virus.Autorun.ATA_virussign.com_c28098175997d42658cc962fddfa4d66.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1580
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
92KB
MD5a68a6e6d137ce4d08cdf2305d2517faf
SHA1639291a59375d6ba3df270926199ef18153a5a5c
SHA25627efea29976b8755c39f44df40c5da7b948c273a020faffff7835f41c2cfde6d
SHA512bd875150dc266a97530449f99a4faf498d88ab5f7d82dbc2a2c7eb1474546496c5b0676ad15d64b5fdd1ab0dd861d67a78183b34b2b9c16a09e798b6c099dcc5