Analysis
- max time kernel
143s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
11/08/2024, 10:00
General
- Target d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe
- Size 3.8MB
- Sample240811-l1wrravcpr
- SHA256 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 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.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe"C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-DGF4E.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp"C:\Users\Admin\AppData\Local\Temp\is-DGF4E.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp" /SL5="$C011A,3708907,54272,C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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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 --field-trial-handle=3984,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4056 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp
_iscrypt.dll
xulplayer.exe
memory/1256-52-0x0000000000400000-0x000000000080B000-memory.dmp
memory/1256-54-0x0000000000400000-0x000000000080B000-memory.dmp
memory/1256-55-0x0000000000400000-0x000000000080B000-memory.dmp
memory/1256-57-0x0000000000400000-0x000000000080B000-memory.dmp
memory/2020-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2020-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2020-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4920-62-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-84-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-106-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-65-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-68-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-71-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-74-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-77-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/4920-79-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-103-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-87-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-90-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-93-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-96-0x0000000000400000-0x000000000080B000-memory.dmp
memory/4920-99-0x0000000000400000-0x000000000080B000-memory.dmp
memory/5068-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5068-10-0x0000000000400000-0x00000000004BD000-memory.dmp