Analysis
- max time kernel
141s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/03/2024, 02:08
General
- Target 3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247.exe
- Size 2.2MB
- Sample240325-ckry7agb31
- SHA256 3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247
Malware Config
Extracted
-
socks5systemz
-
http://bfdhuik.com/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ed909d39
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 19 IoCs
- 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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247.exe"C:\Users\Admin\AppData\Local\Temp\3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-CAE8A.tmp\3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247.tmp"C:\Users\Admin\AppData\Local\Temp\is-CAE8A.tmp\3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247.tmp" /SL5="$50060,1950155,54272,C:\Users\Admin\AppData\Local\Temp\3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247.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
_iscrypt.dll
3caf20651766fe9fdcc804393c554152365e2e10fe62db7afb11259be2888247.tmp
memory/332-50-0x0000000000590000-0x0000000000591000-memory.dmp
memory/332-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/332-7-0x0000000000590000-0x0000000000591000-memory.dmp
memory/832-38-0x0000000000400000-0x0000000000643000-memory.dmp
memory/832-39-0x0000000000400000-0x0000000000643000-memory.dmp
memory/832-43-0x0000000000400000-0x0000000000643000-memory.dmp
memory/832-40-0x0000000000400000-0x0000000000643000-memory.dmp
memory/3520-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3520-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3520-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4152-54-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-69-0x0000000000730000-0x00000000007D2000-memory.dmp
memory/4152-53-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-46-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-57-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-60-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-63-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-65-0x0000000000730000-0x00000000007D2000-memory.dmp
memory/4152-68-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-49-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-74-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-77-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-78-0x0000000000730000-0x00000000007D2000-memory.dmp
memory/4152-81-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-84-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-87-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-90-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-94-0x0000000000400000-0x0000000000643000-memory.dmp
memory/4152-97-0x0000000000400000-0x0000000000643000-memory.dmp