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
10-12-2024 08:04
Behavioral task
behavioral1
Sample
f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe
Resource
win10v2004-20241007-en
General
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Target
f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe
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Size
92KB
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MD5
4123f91c43c94172a34671fc9d2a4ce1
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SHA1
b0acc1b11837002b80044658c33fb29baa49a8fc
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SHA256
f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62
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SHA512
24ce2eff369b5239fa1d6df489b2e15522569cb94b36ce05ec3fd0e2f10374ccf2cf46c5fe7872cbd31eefd10ab05f68d90f305f472a1a5b6199679375909e3d
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SSDEEP
1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrU:9bfVk29te2jqxCEtg30BA
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/0x000b000000023b93-2.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe -
Executes dropped EXE 1 IoCs
pid Process 4840 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" f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.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 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.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 2844 cmd.exe 2504 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2504 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4588 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4588 wrote to memory of 4840 4588 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe 84 PID 4588 wrote to memory of 4840 4588 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe 84 PID 4588 wrote to memory of 4840 4588 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe 84 PID 4588 wrote to memory of 2844 4588 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe 99 PID 4588 wrote to memory of 2844 4588 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe 99 PID 4588 wrote to memory of 2844 4588 f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe 99 PID 2844 wrote to memory of 2504 2844 cmd.exe 101 PID 2844 wrote to memory of 2504 2844 cmd.exe 101 PID 2844 wrote to memory of 2504 2844 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe"C:\Users\Admin\AppData\Local\Temp\f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.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:4588 -
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:4840
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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\f4b1a0c10745d3b59e9a3366c45a1aab399f407b5a541e01ca00e147ad841a62.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2844 -
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:2504
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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
MD58a53dfcc9572481e71d189cc9f7328ed
SHA120d74745fa18ab9bac2aa20501a5b91521edd30a
SHA256a2a2f481ef8eaf216500cdf8c51e4f638260d605e1fa9a86449e18592dc79634
SHA51288ddd9f865417d190dea9212adb307e05535dd5557773cda1ad664fc2fcbeadad1e4c1a137f13ebf6c92a03399e4bf39a730d48ea38734349f6d5cba0a0cb00b