Analysis
- max time kernel
155s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - submitted
30/01/2024, 17:10
General
- Target acb4baf7c527b40f70f55e00a3832494.exe
- Size 6.3MB
- Sample240130-vpp99sabb6
- SHA256 a5a64f3f3ce4f04c54c87c921be674aee5000ff51e4da41c0f475a365a2fa33f
Malware Config
Signatures
- Detect Socks5Systemz Payload 4 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Socks5systemz family
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\acb4baf7c527b40f70f55e00a3832494.exe"C:\Users\Admin\AppData\Local\Temp\acb4baf7c527b40f70f55e00a3832494.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-4OCBI.tmp\acb4baf7c527b40f70f55e00a3832494.tmp"C:\Users\Admin\AppData\Local\Temp\is-4OCBI.tmp\acb4baf7c527b40f70f55e00a3832494.tmp" /SL5="$9016C,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
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DeliveryStatusFields.exe
acb4baf7c527b40f70f55e00a3832494.tmp
_iscrypt.dll
memory/1076-60-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1076-63-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1076-61-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1076-59-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-74-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-82-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-120-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-65-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-67-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-117-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-114-0x0000000000860000-0x0000000000902000-memory.dmp
memory/2120-70-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-113-0x0000000000860000-0x0000000000902000-memory.dmp
memory/2120-111-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-76-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-78-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-79-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-108-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-85-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-89-0x0000000000860000-0x0000000000902000-memory.dmp
memory/2120-88-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-95-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-98-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-101-0x0000000000860000-0x0000000000902000-memory.dmp
memory/2120-102-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2120-105-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2732-7-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/2732-72-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/2732-69-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3216-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3216-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3216-2-0x0000000000400000-0x0000000000414000-memory.dmp