Analysis
- max time kernel
149s - platform
windows7_x64 - resource
win7-20231215-en - submitted
30/01/2024, 17:10
General
- Target acb4baf7c527b40f70f55e00a3832494.exe
- Size 6.3MB
- Sample240130-vpp99sabb6
- SHA256 a5a64f3f3ce4f04c54c87c921be674aee5000ff51e4da41c0f475a365a2fa33f
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\acb4baf7c527b40f70f55e00a3832494.exe"C:\Users\Admin\AppData\Local\Temp\acb4baf7c527b40f70f55e00a3832494.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-J1DDI.tmp\acb4baf7c527b40f70f55e00a3832494.tmp"C:\Users\Admin\AppData\Local\Temp\is-J1DDI.tmp\acb4baf7c527b40f70f55e00a3832494.tmp" /SL5="$7011E,6380645,54272,C:\Users\Admin\AppData\Local\Temp\acb4baf7c527b40f70f55e00a3832494.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
Loading Replay Monitor...
Downloads
DeliveryStatusFields.exe
_iscrypt.dll
_shfoldr.dll
acb4baf7c527b40f70f55e00a3832494.tmp
memory/1700-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1700-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1872-10-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1872-62-0x0000000005120000-0x0000000005420000-memory.dmp
memory/1872-78-0x0000000005120000-0x0000000005420000-memory.dmp
memory/1872-77-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1872-74-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2616-96-0x00000000025F0000-0x0000000002692000-memory.dmp
memory/2616-105-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-125-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-75-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-76-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-122-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-118-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-81-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-84-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-85-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-88-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-91-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-94-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-115-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-99-0x00000000025F0000-0x0000000002692000-memory.dmp
memory/2616-102-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-71-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-108-0x00000000025F0000-0x0000000002692000-memory.dmp
memory/2616-109-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2616-112-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2828-64-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2828-65-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2828-66-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2828-69-0x0000000000400000-0x0000000000700000-memory.dmp