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Analysis
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max time kernel
115s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2024, 18:45
Behavioral task
behavioral1
Sample
8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe
Resource
win10v2004-20241007-en
General
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Target
8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe
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Size
92KB
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MD5
2ceecd1d7a7f49ccc44aaeca1aaddc90
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SHA1
a86faa77b7a4abafa84a47aab6c77558ddf08adf
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SHA256
8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306b
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SHA512
2a36fd037d825c0f1f96da88a46b046f705e333567efab6706667a9c71b6a48b0a97429001a195eb2d75353cca1c79ba2eaba2d426d55ff52287b3346ac008d5
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrZ:9bfVk29te2jqxCEtg30B9
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/0x000c000000023b79-2.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 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe -
Executes dropped EXE 1 IoCs
pid Process 4420 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" 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.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 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.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 760 cmd.exe 4416 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4416 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4928 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4420 4928 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe 82 PID 4928 wrote to memory of 4420 4928 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe 82 PID 4928 wrote to memory of 4420 4928 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe 82 PID 4928 wrote to memory of 760 4928 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe 91 PID 4928 wrote to memory of 760 4928 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe 91 PID 4928 wrote to memory of 760 4928 8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe 91 PID 760 wrote to memory of 4416 760 cmd.exe 93 PID 760 wrote to memory of 4416 760 cmd.exe 93 PID 760 wrote to memory of 4416 760 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe"C:\Users\Admin\AppData\Local\Temp\8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.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:4928 -
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:4420
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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\8043bf9fe3d8a895be40724055b8747f289a59422feabaad073d9e25ddee306bN.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:760 -
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:4416
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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
MD54bf0266b152d9b9269b83857ea1b5ee0
SHA11ede9f352fa891cb1155b7ab02a48b4ae598ecd1
SHA256331f6f267d0b4dc65ba387c0616c9de36ea5e64e7c0ad2cf8141b0fd1c917097
SHA512b8a8a11fc4c6bfaa1dfd08cd0d9da38c87977c174284f58a932176b32b718fd4b676f3986f543a3bbc1a30e7307c525aacb71af34e93a77ba04ac8d20f77d2de