Analysis
- max time kernel
143s - platform
windows7_x64 - resource
win7-20231129-en - submitted
30/01/2024, 17:15
General
- Target 341edb9d58cd37043107d39849e09aba.exe
- Size 6.3MB
- Sample240130-vsj8esbder
- SHA256 5e2bfc430cd10ac7ba31f6d5e2051abaeabe9b5912c3ed8e4d3b87bf48a8154e
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Socks5systemz family
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\341edb9d58cd37043107d39849e09aba.exe"C:\Users\Admin\AppData\Local\Temp\341edb9d58cd37043107d39849e09aba.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6HJNC.tmp\341edb9d58cd37043107d39849e09aba.tmp"C:\Users\Admin\AppData\Local\Temp\is-6HJNC.tmp\341edb9d58cd37043107d39849e09aba.tmp" /SL5="$40026,6310086,54272,C:\Users\Admin\AppData\Local\Temp\341edb9d58cd37043107d39849e09aba.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\DeliveryStatusFields\DeliveryStatusFields.exe"C:\Users\Admin\AppData\Local\DeliveryStatusFields\DeliveryStatusFields.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\DeliveryStatusFields\DeliveryStatusFields.exe"C:\Users\Admin\AppData\Local\DeliveryStatusFields\DeliveryStatusFields.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DeliveryStatusFields.exe
_iscrypt.dll
_shfoldr.dll
341edb9d58cd37043107d39849e09aba.tmp
memory/840-75-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/840-15-0x00000000002D0000-0x00000000002D1000-memory.dmp
memory/840-78-0x0000000005430000-0x0000000005720000-memory.dmp
memory/840-62-0x0000000005430000-0x0000000005720000-memory.dmp
memory/840-77-0x00000000002D0000-0x00000000002D1000-memory.dmp
memory/2472-96-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-106-0x0000000002590000-0x0000000002632000-memory.dmp
memory/2472-71-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-73-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-125-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-122-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-76-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-118-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-115-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-81-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-82-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-85-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-88-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-91-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-94-0x0000000002590000-0x0000000002632000-memory.dmp
memory/2472-112-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-97-0x0000000002590000-0x0000000002632000-memory.dmp
memory/2472-102-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-105-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2472-109-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2816-69-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2816-64-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2816-65-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2816-67-0x0000000000400000-0x00000000006F0000-memory.dmp
memory/2848-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2848-74-0x0000000000400000-0x0000000000414000-memory.dmp