Analysis
- max time kernel
141s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
25/08/2024, 06:55
General
- Target 2024-08-25_a4ff9486d8f3c86f1012c94be28a68ca_avoslocker.exe
- Size 4.5MB
- Sample240825-hpwe3asejp
- SHA256 b763e6a2d6082ac8631eefc70ab66386220f75e75eb71544bcb2cb8f020502c0
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 33 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-08-25_a4ff9486d8f3c86f1012c94be28a68ca_avoslocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-25_a4ff9486d8f3c86f1012c94be28a68ca_avoslocker.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\temp\26417300FA26FE1189CCAF300BA1991D\2024-08-25_a4ff9486d8f3c86f1012c94be28a68ca_avoslocker.exe"C:\Windows\temp\26417300FA26FE1189CCAF300BA1991D\2024-08-25_a4ff9486d8f3c86f1012c94be28a68ca_avoslocker.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-08-25_a4ff9486d8f3c86f1012c94be28a68ca_avoslocker.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\A372A400FA26FE1189CCAF300BA1991D\setup_ui.exe"C:\Users\Admin\AppData\Local\Temp\A372A400FA26FE1189CCAF300BA1991D\setup_ui.exe" -cp=objref:TUVPVwEAAAAAAAAAAAAAAMAAAAAAAABGgQIAAAAAAADLomvYkgPXPorFxWEmNcYKAmwAABgF///Zk7baq7dL3C8AGQAHAEUAcgBoAHEAagB2AHkAcQAAAAcAMQAwAC4AMQAyADcALgAwAC4AMgAzADMAAAAAAAkA//8AAB4A//8AABAA//8AAAoA//8AABYA//8AAB8A//8AAA4A//8AAAAA:3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
kl.setup.ui.core.dll
kl.setup.ui.dll
kl.setup.ui.interoplayer.dll
kl.setup.ui.visuals.dll
kl.ui.framework.dll
kl.ui.framework.localization.dll
kl.ui.framework.uikit.b2c.dll
kl.ui.framework.uikit.dll
setup.dll
setup_ui.exe
sharpvectorconverterswpf.dll
sharpvectorcore.dll
sharpvectorcss.dll
sharpvectordom.dll
sharpvectormodel.dll
sharpvectorrenderingwpf.dll
sharpvectorruntimewpf.dll
2024-08-25_a4ff9486d8f3c86f1012c94be28a68ca_avoslocker.exe
memory/1304-9-0x0000000077210000-0x0000000077220000-memory.dmp
memory/1304-7-0x0000000077210000-0x0000000077220000-memory.dmp
memory/1304-8-0x0000000077210000-0x0000000077220000-memory.dmp
memory/1304-10-0x00000000770D2000-0x00000000770D3000-memory.dmp
memory/4492-0-0x0000000077240000-0x0000000077250000-memory.dmp
memory/4492-1-0x0000000077240000-0x0000000077250000-memory.dmp
memory/4492-2-0x0000000077240000-0x0000000077250000-memory.dmp
memory/4492-3-0x00000000770D2000-0x00000000770D3000-memory.dmp
memory/4516-45-0x0000000004DD0000-0x0000000004DDE000-memory.dmp
memory/4516-131-0x0000000006CA0000-0x0000000006CBC000-memory.dmp
memory/4516-103-0x0000000006400000-0x00000000064A6000-memory.dmp
memory/4516-89-0x0000000005A90000-0x0000000005AF6000-memory.dmp
memory/4516-106-0x0000000073850000-0x0000000074000000-memory.dmp
memory/4516-97-0x00000000062E0000-0x0000000006346000-memory.dmp
memory/4516-93-0x0000000005DF0000-0x00000000060DE000-memory.dmp
memory/4516-84-0x0000000073850000-0x0000000074000000-memory.dmp
memory/4516-118-0x00000000068B0000-0x00000000068D2000-memory.dmp
memory/4516-119-0x0000000006980000-0x0000000006A12000-memory.dmp
memory/4516-83-0x0000000005660000-0x0000000005672000-memory.dmp
memory/4516-135-0x0000000006C90000-0x0000000006C9E000-memory.dmp
memory/4516-139-0x0000000006CE0000-0x0000000006CF2000-memory.dmp
memory/4516-53-0x00000000052C0000-0x0000000005306000-memory.dmp
memory/4516-57-0x0000000005310000-0x0000000005346000-memory.dmp
memory/4516-88-0x00000000059D0000-0x0000000005A18000-memory.dmp
memory/4516-59-0x0000000073850000-0x0000000074000000-memory.dmp
memory/4516-127-0x0000000006D70000-0x0000000006E6A000-memory.dmp
memory/4516-48-0x0000000073850000-0x0000000074000000-memory.dmp
memory/4516-123-0x0000000006B20000-0x0000000006B52000-memory.dmp
memory/4516-141-0x0000000007110000-0x000000000711E000-memory.dmp
memory/4516-140-0x0000000007140000-0x0000000007178000-memory.dmp
memory/4516-114-0x0000000006870000-0x00000000068A4000-memory.dmp
memory/4516-42-0x000000007385E000-0x000000007385F000-memory.dmp
memory/4516-154-0x00000000072D0000-0x00000000072D8000-memory.dmp
memory/4516-155-0x000000007385E000-0x000000007385F000-memory.dmp
memory/4516-156-0x0000000073850000-0x0000000074000000-memory.dmp
memory/4516-157-0x0000000073850000-0x0000000074000000-memory.dmp
memory/4516-158-0x0000000000D90000-0x0000000000E35000-memory.dmp
memory/4516-159-0x0000000073850000-0x0000000074000000-memory.dmp
memory/4516-160-0x0000000073850000-0x0000000074000000-memory.dmp