Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 09:21
General
- Target 02c9d37b3eebbc186b6fc262cd929762.exe
- Size 1.9MB
- Sample240323-lbbqaahf6y
- SHA256 13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d
Malware Config
Extracted
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socks5systemz
-
http://bxdbita.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c8ea929933
-
http://bxdbita.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12eab517aa5c96bd86ee96854f855a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949b33c868951e
Signatures
- Detect Socks5Systemz Payload 4 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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
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C:\Users\Admin\AppData\Local\Temp\02c9d37b3eebbc186b6fc262cd929762.exe"C:\Users\Admin\AppData\Local\Temp\02c9d37b3eebbc186b6fc262cd929762.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-RF843.tmp\02c9d37b3eebbc186b6fc262cd929762.tmp"C:\Users\Admin\AppData\Local\Temp\is-RF843.tmp\02c9d37b3eebbc186b6fc262cd929762.tmp" /SL5="$90030,1676256,54272,C:\Users\Admin\AppData\Local\Temp\02c9d37b3eebbc186b6fc262cd929762.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -s3⤵
- Executes dropped EXE
-
-
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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=4032 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
markdownpad32.exe
markdownpad32.exe
markdownpad32.exe
_iscrypt.dll
_isdecmp.dll
02c9d37b3eebbc186b6fc262cd929762.tmp
memory/2280-7-0x0000000002240000-0x0000000002241000-memory.dmp
memory/2280-57-0x0000000002240000-0x0000000002241000-memory.dmp
memory/2280-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2520-79-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-89-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-104-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-52-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-101-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-97-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2520-55-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-96-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2520-59-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-60-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-63-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-66-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-69-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-73-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2520-72-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-95-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-82-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-84-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2520-86-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2520-92-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2952-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2952-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4568-49-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/4568-44-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/4568-45-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/4568-47-0x0000000000400000-0x00000000005CA000-memory.dmp