Analysis
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max time kernel
146s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03/09/2024, 14:29
Behavioral task
behavioral1
Sample
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe
Resource
win10v2004-20240802-en
General
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Target
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe
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Size
150KB
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MD5
6e092b58c6215f860f0255f3fb5f2f83
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SHA1
3bb49785892deafff5c8ee6b05c95aa17466d3f2
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SHA256
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0
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SHA512
2547341fe729b7b9344b65c9b093ab067fd9b0f7108a9d5c2f94724ddd7a09998f95185b65b5edfc6f3cd160f05332c89b870ca89ce9d5c1372f406855468a1a
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SSDEEP
3072:H29DkEGRQixVSjLLJ30BWPOt5dQw+hyuGDInwM:H29qRfVSnt30Bbt+IhDFM
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula payload 6 IoCs
resource yara_rule behavioral2/memory/1428-0-0x0000000000BE0000-0x0000000000C0F000-memory.dmp family_sakula behavioral2/files/0x0007000000023483-3.dat family_sakula behavioral2/memory/3152-5-0x0000000000A80000-0x0000000000AAF000-memory.dmp family_sakula behavioral2/memory/1428-6-0x0000000000BE0000-0x0000000000C0F000-memory.dmp family_sakula behavioral2/memory/3152-7-0x0000000000A80000-0x0000000000AAF000-memory.dmp family_sakula behavioral2/memory/1428-8-0x0000000000BE0000-0x0000000000C0F000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe -
Executes dropped EXE 1 IoCs
pid Process 3152 MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.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 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.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 1592 PING.EXE 2960 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1592 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1428 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1428 wrote to memory of 3152 1428 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 83 PID 1428 wrote to memory of 3152 1428 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 83 PID 1428 wrote to memory of 3152 1428 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 83 PID 1428 wrote to memory of 2960 1428 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 95 PID 1428 wrote to memory of 2960 1428 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 95 PID 1428 wrote to memory of 2960 1428 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 95 PID 2960 wrote to memory of 1592 2960 cmd.exe 97 PID 2960 wrote to memory of 1592 2960 cmd.exe 97 PID 2960 wrote to memory of 1592 2960 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe"C:\Users\Admin\AppData\Local\Temp\2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.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:1428 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3152
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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\2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2960 -
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:1592
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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
150KB
MD50e46f944728de7040f5c11142474d6f0
SHA144a4d4c37a2dfdb176bf4a565fa280facc908d04
SHA256b4da69336280cc7061505676b197ced2d4a42b7f5a7082f39ab79cd2597d5ebb
SHA5123ec2b16884d583d1a3e6629ed34505f5bdac435d51d60865e8b9eb26062e695b079935c444ab712b5efb009eba7d660cf031892465208224c820fb5062c76167