Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
02/06/2024, 07:33
General
- Target d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e.exe
- Size 7.0MB
- Sample240602-jdg9qsfa2y
- SHA256 d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e.exe"C:\Users\Admin\AppData\Local\Temp\d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-AICOH.tmp\d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e.tmp"C:\Users\Admin\AppData\Local\Temp\is-AICOH.tmp\d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e.tmp" /SL5="$60234,7085055,54272,C:\Users\Admin\AppData\Local\Temp\d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e.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\Voice Changer Emerald\voicechangeremerald.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
d86f8a73cbeee2b95423dbd50ce5a1501215ea588ea0f82d1be079e8de5e177e.tmp
_iscrypt.dll
_isdecmp.dll
voicechangeremerald.exe
memory/1268-65-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/1268-69-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/1268-68-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-78-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-89-0x0000000000BE0000-0x0000000000C82000-memory.dmp
memory/4816-121-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-72-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-118-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-113-0x0000000000BE0000-0x0000000000C82000-memory.dmp
memory/4816-75-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-114-0x0000000000BE0000-0x0000000000C82000-memory.dmp
memory/4816-81-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-84-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-87-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-112-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-92-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-97-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-100-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-103-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-106-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4816-109-0x0000000000400000-0x00000000008DE000-memory.dmp
memory/4984-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4984-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4984-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/5024-7-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5024-74-0x0000000000400000-0x00000000004BA000-memory.dmp