Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
04/06/2024, 07:36
General
- Target 8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe
- Size 6.3MB
- Sample240604-jfcf9sab67
- SHA256 8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe"C:\Users\Admin\AppData\Local\Temp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5QMQL.tmp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp"C:\Users\Admin\AppData\Local\Temp\is-5QMQL.tmp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp" /SL5="$50068,6317630,54272,C:\Users\Admin\AppData\Local\Temp\8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\freeaudioamplifier.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
freeaudioamplifier.exe
_iscrypt.dll
8aea852e25404dce77fba5ea17100615d51da79fe77dabf4ae699de10936a88a.tmp
memory/8-94-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-78-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-118-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-115-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-111-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-110-0x0000000000C70000-0x0000000000D12000-memory.dmp
memory/8-67-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-68-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-109-0x0000000000C70000-0x0000000000D12000-memory.dmp
memory/8-106-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-71-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-73-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-75-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-103-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-81-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-84-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-86-0x0000000000C70000-0x0000000000D12000-memory.dmp
memory/8-89-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-100-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/8-97-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/1316-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1316-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1316-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2608-59-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/2608-64-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/2608-61-0x0000000000400000-0x00000000008FF000-memory.dmp
memory/4676-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4676-70-0x0000000000400000-0x00000000004BA000-memory.dmp