Analysis
- max time kernel
145s - max time network
134s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
23/03/2024, 19:56
General
- Target d9e7210dfa9478f294a3e8f839b965d1.exe
- Size 2.0MB
- Sample240323-ynnltsbf77
- SHA256 bb618cb84a1343d5f90e5cf6073dd9b151d902433e7198ed54748b6b7efcf503
Malware Config
Extracted
-
socks5systemz
-
http://bwklsxd.com/search/?q=67e28dd86a55a428420bf81f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f371ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cfd12c8ec90
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 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 WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d9e7210dfa9478f294a3e8f839b965d1.exe"C:\Users\Admin\AppData\Local\Temp\d9e7210dfa9478f294a3e8f839b965d1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-1VKC4.tmp\d9e7210dfa9478f294a3e8f839b965d1.tmp"C:\Users\Admin\AppData\Local\Temp\is-1VKC4.tmp\d9e7210dfa9478f294a3e8f839b965d1.tmp" /SL5="$F0150,1749339,54272,C:\Users\Admin\AppData\Local\Temp\d9e7210dfa9478f294a3e8f839b965d1.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
colorpicker32.exe
d9e7210dfa9478f294a3e8f839b965d1.tmp
_iscrypt.dll
_shfoldr.dll
memory/2220-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2220-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2276-52-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-55-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-100-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-93-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-90-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-50-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-83-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-103-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-87-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-96-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-86-0x0000000002630000-0x00000000026D2000-memory.dmp
memory/2276-59-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-62-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-63-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-66-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-69-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-72-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2276-74-0x0000000002630000-0x00000000026D2000-memory.dmp
memory/2276-73-0x0000000002630000-0x00000000026D2000-memory.dmp
memory/2276-80-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2620-44-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2620-48-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2620-45-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2620-43-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2800-56-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2800-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2800-41-0x0000000003450000-0x0000000003661000-memory.dmp
memory/2800-8-0x0000000000240000-0x0000000000241000-memory.dmp