Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
17/03/2024, 21:50
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe
Resource
win7-20240221-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe
Resource
win10v2004-20240226-en
10 signatures
150 seconds
General
- Target 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe
- Size 36KB
- Sample240317-1p4esagh78
- SHA256 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd
- MD5 82d5254355bbcd6c8ba7c2d9b9edcc43
- SHA1 ab3af03551116accb499c0667fe95a6e6e2301ec
- SHA512 4b0864ea395110862865af0da7991ba50d2ac9bedee1c4bf123baff6c8fa66c68f5c467862bdce9288ae0c6fb5c15ceca5fab9a5fb7b00dbb40a9d97b7dcd372
- SSDEEP 768:lwbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647Dr:lwbYP4nuEApQK4TQbtY2gA9DX+ytBO9
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/2740-5-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/4488-6-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/2740-11-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/4488-16-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula - Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral2/memory/2740-0-0x0000000000400000-0x000000000041A000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000d00000002313f-3.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2740-5-0x0000000000400000-0x000000000041A000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4488-6-0x0000000000400000-0x000000000041A000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2740-11-0x0000000000400000-0x000000000041A000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4488-16-0x0000000000400000-0x000000000041A000-memory.dmp INDICATOR_EXE_Packed_MPress - 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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe - Executes dropped EXE 1 IoCs
pid Process 4488 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" 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 4160 PING.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2740 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2740 wrote to memory of 4488 2740 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe 88 PID 2740 wrote to memory of 4488 2740 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe 88 PID 2740 wrote to memory of 4488 2740 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe 88 PID 2740 wrote to memory of 3680 2740 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe 103 PID 2740 wrote to memory of 3680 2740 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe 103 PID 2740 wrote to memory of 3680 2740 8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe 103 PID 3680 wrote to memory of 4160 3680 cmd.exe 105 PID 3680 wrote to memory of 4160 3680 cmd.exe 105 PID 3680 wrote to memory of 4160 3680 cmd.exe 105
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe"C:\Users\Admin\AppData\Local\Temp\8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4488
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\8d9c47fbbf2f0c967a3bb57a996234dd1a7d67d9f1aeebe4d1d55c4a932b21cd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4160
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
- Size 36KB
- SHA256 56e10b502e9d3f98c7f2ed511fa8215b2f861a32116fdabb49f0c081f0eecb39
- MD5 a76e36ad021e4924d7d651036bad6248
- SHA1 eaf455de541738740f2fd693bb0d060697aad76d
- SHA512 3c6c7fb04c1d0c53046a8095a61822abb4ce75724d880878a39f9a121dacd96aaf7ccd93f75da31c7f6809229ed3a9f5c90e52e587f8ae938f14c77fb27e27be
- SSDEEP 768:lwbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647DH:lwbYP4nuEApQK4TQbtY2gA9DX+ytBOF
- MD5 SHA1 SHA512 SSDEEP