Analysis
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max time kernel
110s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 19:06
Static task
static1
Behavioral task
behavioral1
Sample
44aff363646429325be5c3f8745a6750N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
44aff363646429325be5c3f8745a6750N.exe
Resource
win10v2004-20240709-en
General
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Target
44aff363646429325be5c3f8745a6750N.exe
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Size
39KB
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MD5
44aff363646429325be5c3f8745a6750
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SHA1
3d998719e90454331751c4057908862c876d8701
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SHA256
bb98ae1ad2131bd43ea983a32c7f95d7a17a647ab5b143aa2143e1eefd8fb682
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SHA512
d2161979a58c5f9bce92f28593522ea9c0db3cbc997780bc053117cced568b1d4db42c276a2b61607e8fa5dfa249bceaaee3f87fdc4142a4524cd99a26606ab0
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SSDEEP
768:EXgqefjKf3Z6qSRnzpdwT1RIj1egKRFXSp/Dfm982r7D7:QgqeGB6qAnzpdw5Y0wLm9hH
Malware Config
Extracted
sakula
www.savmpet.com
Signatures
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Sakula payload 3 IoCs
resource yara_rule behavioral2/memory/4024-6-0x0000000000400000-0x000000000041B000-memory.dmp family_sakula behavioral2/memory/3224-7-0x0000000000400000-0x000000000041B000-memory.dmp family_sakula behavioral2/memory/4024-13-0x0000000000400000-0x000000000041B000-memory.dmp 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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation 44aff363646429325be5c3f8745a6750N.exe -
Executes dropped EXE 1 IoCs
pid Process 3224 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" 44aff363646429325be5c3f8745a6750N.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 44aff363646429325be5c3f8745a6750N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdobeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2348 PING.EXE 1716 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2348 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4024 44aff363646429325be5c3f8745a6750N.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4024 wrote to memory of 3224 4024 44aff363646429325be5c3f8745a6750N.exe 85 PID 4024 wrote to memory of 3224 4024 44aff363646429325be5c3f8745a6750N.exe 85 PID 4024 wrote to memory of 3224 4024 44aff363646429325be5c3f8745a6750N.exe 85 PID 4024 wrote to memory of 1716 4024 44aff363646429325be5c3f8745a6750N.exe 101 PID 4024 wrote to memory of 1716 4024 44aff363646429325be5c3f8745a6750N.exe 101 PID 4024 wrote to memory of 1716 4024 44aff363646429325be5c3f8745a6750N.exe 101 PID 1716 wrote to memory of 2348 1716 cmd.exe 103 PID 1716 wrote to memory of 2348 1716 cmd.exe 103 PID 1716 wrote to memory of 2348 1716 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\44aff363646429325be5c3f8745a6750N.exe"C:\Users\Admin\AppData\Local\Temp\44aff363646429325be5c3f8745a6750N.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:4024 -
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:3224
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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\44aff363646429325be5c3f8745a6750N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1716 -
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:2348
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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
39KB
MD57142e71745709b428c4bf28e302c60c8
SHA1fc4f251e9274bdccb8baddfc7e47d6d9ac4054d0
SHA256323009a36ada7698cfc7242c61e6deea5db2756732d605616b55770bcccd4e77
SHA512b17eb76ae5cc563a62dc3a05b8d0160d7d4121c9a79622636a3122262978636ee37713d1885220fec4a5ad72143f3e2a6bf3161b9504edc8976041ddc2d05531