Analysis
- max time kernel
148s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
12/01/2024, 01:26
General
- Target 7723676b4b89cff34aae74edb2f4d201.exe
- Size 3.9MB
- Sample240112-bthw7scbcl
- SHA256 cd4237029b627009d33bfcf33c18bb7823625d3ba56632196d239bcc03240b69
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Runs net.exe
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7723676b4b89cff34aae74edb2f4d201.exe"C:\Users\Admin\AppData\Local\Temp\7723676b4b89cff34aae74edb2f4d201.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-8IVCG.tmp\is-MHQCE.tmp"C:\Users\Admin\AppData\Local\Temp\is-8IVCG.tmp\is-MHQCE.tmp" /SL4 $7020A "C:\Users\Admin\AppData\Local\Temp\7723676b4b89cff34aae74edb2f4d201.exe" 3869433 522242⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 11133⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 11134⤵
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C:\Users\Admin\AppData\Local\PCI Device Checker\pcidevicechecker.exe"C:\Users\Admin\AppData\Local\PCI Device Checker\pcidevicechecker.exe" -i3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\PCI Device Checker\pcidevicechecker.exe"C:\Users\Admin\AppData\Local\PCI Device Checker\pcidevicechecker.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
pcidevicechecker.exe
pcidevicechecker.exe
is-MHQCE.tmp
_iscrypt.dll
memory/784-130-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-131-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-169-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-165-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-163-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-160-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-156-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-122-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-155-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/784-152-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-125-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-149-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-147-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/784-144-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/784-134-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-136-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-139-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/784-142-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/3368-7-0x0000000002210000-0x0000000002211000-memory.dmp
memory/3368-127-0x0000000002210000-0x0000000002211000-memory.dmp
memory/3368-124-0x0000000000400000-0x00000000004CF000-memory.dmp
memory/3832-0-0x0000000000400000-0x0000000000413000-memory.dmp
memory/3832-123-0x0000000000400000-0x0000000000413000-memory.dmp
memory/3832-2-0x0000000000400000-0x0000000000413000-memory.dmp
memory/4764-119-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/4764-116-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/4764-115-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/4764-114-0x0000000000400000-0x00000000005F6000-memory.dmp