Analysis
- max time kernel
143s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
30/05/2024, 00:28
General
- Target 92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe
- Size 4.7MB
- Sample240530-asf6jsff2w
- SHA256 92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 17 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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe"C:\Users\Admin\AppData\Local\Temp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-K4OIP.tmp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.tmp"C:\Users\Admin\AppData\Local\Temp\is-K4OIP.tmp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.tmp" /SL5="$80060,4671227,54272,C:\Users\Admin\AppData\Local\Temp\92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool.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 --field-trial-handle=3916,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=1036 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
stereotool.exe
92c565528d4c30288ceb3b72517ba32c55d96cf4040cbe4e808fa48a7b8fa9b7.tmp
_iscrypt.dll
memory/1852-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1852-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1852-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1952-59-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/1952-60-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/1952-64-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/1952-63-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-73-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-87-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-114-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-70-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-111-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-76-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-79-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-82-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-85-0x00000000022B0000-0x0000000002352000-memory.dmp
memory/2104-67-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-92-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-95-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-98-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-101-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-104-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/2104-107-0x0000000000400000-0x00000000006E1000-memory.dmp
memory/4072-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4072-69-0x0000000000400000-0x00000000004BA000-memory.dmp