Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2024 11:33
Behavioral task
behavioral1
Sample
98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe
Resource
win10v2004-20241007-en
General
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Target
98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe
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Size
92KB
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MD5
4fb2d1e7b7bb0577806a5ba1766d00f0
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SHA1
f6922d634b674c4b67e02fe05a4cf558e564cc71
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SHA256
98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679db
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SHA512
5892498bbd2bc64e7631f085cd36e55d4932478797de259e7346ca048218151c3e2e645432aee5292b6c738fafdac846fc8d534bdd405a855730f1ca479f0b88
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrh:9bfVk29te2jqxCEtg30Bd
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula family
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Sakula payload 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023c82-2.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe -
Executes dropped EXE 1 IoCs
pid Process 468 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" 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.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 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.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 2508 cmd.exe 3504 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3504 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2428 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2428 wrote to memory of 468 2428 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe 82 PID 2428 wrote to memory of 468 2428 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe 82 PID 2428 wrote to memory of 468 2428 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe 82 PID 2428 wrote to memory of 2508 2428 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe 91 PID 2428 wrote to memory of 2508 2428 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe 91 PID 2428 wrote to memory of 2508 2428 98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe 91 PID 2508 wrote to memory of 3504 2508 cmd.exe 93 PID 2508 wrote to memory of 3504 2508 cmd.exe 93 PID 2508 wrote to memory of 3504 2508 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe"C:\Users\Admin\AppData\Local\Temp\98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.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:2428 -
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:468
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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\98c5fdc0d38e52a1870df253f4625b802768a57f5489c91ead76536add1679dbN.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2508 -
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:3504
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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
MD5f0d86ee587b6aecd161793188f395e49
SHA17186afc5f6b5a1e6d0202460459e04ece120550f
SHA256fcc2773901e07d67bf6916e63a5b3b3b0073a34cdb20ede2335d1c6da578753c
SHA512ac6a1f8149e0e121c51121496706bbb523dc130a1b14b5a9e10bc6244b5c0fbb6f249b26d67cad260a8d66b718e50e83d5191166512222e4ed3417047e5f0881