Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 03:11
General
- Target 4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe
- Size 2.0MB
- Sample240325-dpvrbahe7w
- SHA256 4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55
Malware Config
Extracted
-
socks5systemz
-
http://bftellb.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3e9969c3d
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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe"C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-IH70G.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp"C:\Users\Admin\AppData\Local\Temp\is-IH70G.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp" /SL5="$501D2,1741795,54272,C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3096 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
colorpicker.exe
4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp
_iscrypt.dll
memory/1004-38-0x0000000000400000-0x0000000000610000-memory.dmp
memory/1004-39-0x0000000000400000-0x0000000000610000-memory.dmp
memory/1004-41-0x0000000000400000-0x0000000000610000-memory.dmp
memory/1004-43-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3280-49-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3280-52-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/3280-7-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/3652-54-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-80-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/3652-98-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-45-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-50-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-95-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-91-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-55-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-58-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-61-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-64-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-67-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-68-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/3652-69-0x00000000008F0000-0x0000000000992000-memory.dmp
memory/3652-75-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-78-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-47-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-82-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-85-0x0000000000400000-0x0000000000610000-memory.dmp
memory/3652-88-0x0000000000400000-0x0000000000610000-memory.dmp
memory/4072-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4072-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4072-48-0x0000000000400000-0x0000000000414000-memory.dmp