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Analysis
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max time kernel
118s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
01/02/2025, 12:42
Behavioral task
behavioral1
Sample
a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe
Resource
win7-20241023-en
General
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Target
a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe
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Size
114KB
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MD5
45a4e639d05371789a454225b172b577
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SHA1
bd689cc37d159d38bdd4495b2bb01d90431e3c24
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SHA256
a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9
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SHA512
5c2c9a520cc8417b557617cd9b377983b4bbc321d74060340e6945a8343533e371b3401af1155972b147c9b94714ffe466ea7b317a6921a301c913b67991ebdc
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SSDEEP
1536:Loaj1hJL1S9t0MIeboal8bCKxo7h0RPLJNz30rtriCr0nJnHPoq1nouy8TRgC:c0hpgz6xGhYJF30Blr0nhoutTRgC
Malware Config
Signatures
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Sakula family
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Sakula payload 6 IoCs
resource yara_rule behavioral2/memory/116-0-0x0000000000390000-0x00000000003B1000-memory.dmp family_sakula behavioral2/files/0x000b000000023b8f-3.dat family_sakula behavioral2/memory/2660-4-0x00000000009A0000-0x00000000009C1000-memory.dmp family_sakula behavioral2/memory/116-6-0x0000000000390000-0x00000000003B1000-memory.dmp family_sakula behavioral2/memory/2660-7-0x00000000009A0000-0x00000000009C1000-memory.dmp family_sakula behavioral2/memory/116-8-0x0000000000390000-0x00000000003B1000-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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe -
Executes dropped EXE 1 IoCs
pid Process 2660 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" a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe -
resource yara_rule behavioral2/memory/116-0-0x0000000000390000-0x00000000003B1000-memory.dmp upx behavioral2/files/0x000b000000023b8f-3.dat upx behavioral2/memory/2660-4-0x00000000009A0000-0x00000000009C1000-memory.dmp upx behavioral2/memory/116-6-0x0000000000390000-0x00000000003B1000-memory.dmp upx behavioral2/memory/2660-7-0x00000000009A0000-0x00000000009C1000-memory.dmp upx behavioral2/memory/116-8-0x0000000000390000-0x00000000003B1000-memory.dmp upx -
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 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.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 4648 cmd.exe 4568 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4568 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 116 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 116 wrote to memory of 2660 116 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe 84 PID 116 wrote to memory of 2660 116 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe 84 PID 116 wrote to memory of 2660 116 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe 84 PID 116 wrote to memory of 4648 116 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe 90 PID 116 wrote to memory of 4648 116 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe 90 PID 116 wrote to memory of 4648 116 a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe 90 PID 4648 wrote to memory of 4568 4648 cmd.exe 92 PID 4648 wrote to memory of 4568 4648 cmd.exe 92 PID 4648 wrote to memory of 4568 4648 cmd.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe"C:\Users\Admin\AppData\Local\Temp\a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.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:116 -
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:2660
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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\a3bee949be6f87d036462dd27a940ddb50554ea8b86e49458a2bee19691b39a9.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4648 -
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:4568
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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
114KB
MD5dcf7a886a76d4d1abed198ecb611116e
SHA16cba776506674e46ace2021dc741b6975955f43e
SHA256ece95a9dfa757b96f49d0221c0aae07d6b8b0341d5ef9c60f417a65570575eac
SHA512f23524374dc31d367aac767f25260cb6b73f310fd89520ba17a4a42ac196a9b0c09c8d0a9ba31db15e1617db994efcb2803bad1e68d819a2152a65af084a890c