Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 09:06
General
- Target adc0a0aff0e0ee54b973b9761f40ee9b.exe
- Size 2.0MB
- Sample240323-k2qrfshf5y
- SHA256 8c06eb60b0a4cb9ed906a3a8648b7096e5a024f0d3335910c674dff1dd6ba2d9
Malware Config
Extracted
-
socks5systemz
-
http://bniyinp.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c8eb9d993d
Signatures
- Detect Socks5Systemz Payload 2 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
-
C:\Users\Admin\AppData\Local\Temp\adc0a0aff0e0ee54b973b9761f40ee9b.exe"C:\Users\Admin\AppData\Local\Temp\adc0a0aff0e0ee54b973b9761f40ee9b.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-CVLT6.tmp\adc0a0aff0e0ee54b973b9761f40ee9b.tmp"C:\Users\Admin\AppData\Local\Temp\is-CVLT6.tmp\adc0a0aff0e0ee54b973b9761f40ee9b.tmp" /SL5="$B0050,1691817,54272,C:\Users\Admin\AppData\Local\Temp\adc0a0aff0e0ee54b973b9761f40ee9b.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
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=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
markdownpad32.exe
markdownpad32.exe
markdownpad32.exe
_iscrypt.dll
_isdecmp.dll
adc0a0aff0e0ee54b973b9761f40ee9b.tmp
adc0a0aff0e0ee54b973b9761f40ee9b.tmp
memory/656-44-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/656-45-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/656-46-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/656-49-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3260-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3260-54-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3260-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3392-56-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-73-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-51-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-104-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-101-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-97-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-60-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-61-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-64-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-67-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-70-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-53-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-75-0x00000000007F0000-0x0000000000892000-memory.dmp
memory/3392-81-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-84-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-86-0x00000000007F0000-0x0000000000892000-memory.dmp
memory/3392-88-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-91-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3392-94-0x0000000000400000-0x00000000005D5000-memory.dmp
memory/3596-58-0x0000000002340000-0x0000000002341000-memory.dmp
memory/3596-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/3596-55-0x0000000000400000-0x00000000004B8000-memory.dmp