Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/08/2024, 09:57
Static task
static1
Behavioral task
behavioral1
Sample
d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe
Resource
win11-20240802-en
General
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Target
d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe
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Size
3.8MB
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MD5
985c983c80f9584809f7b2492414128c
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SHA1
3751e51aa1badf207741e3f5578c52696f9f01ad
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SHA256
d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290
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SHA512
7a988a01934a94d3e9d79ff9977114e252ab081220b70f1c73d1df9d7f98fdaabf2c0912e32d57a17ffe0ed4582aeda4bc26b2382948d624b9d6248710ead7c6
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SSDEEP
98304:N6mFN62H+FUqw9cRaialtNgLR+4C8OkPWbKwAEVkQkdRR:zFbH+FUqwcd+H8O8WbjACkd
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2276-78-0x0000000002AE0000-0x0000000002B82000-memory.dmp family_socks5systemz behavioral2/memory/2276-103-0x0000000002AE0000-0x0000000002B82000-memory.dmp family_socks5systemz behavioral2/memory/2276-102-0x0000000002AE0000-0x0000000002B82000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 400 xulplayer.exe 2276 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 141.98.234.31 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4808 wrote to memory of 5100 4808 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe 78 PID 4808 wrote to memory of 5100 4808 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe 78 PID 4808 wrote to memory of 5100 4808 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe 78 PID 5100 wrote to memory of 400 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 79 PID 5100 wrote to memory of 400 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 79 PID 5100 wrote to memory of 400 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 79 PID 5100 wrote to memory of 2276 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 80 PID 5100 wrote to memory of 2276 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 80 PID 5100 wrote to memory of 2276 5100 d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp 80
Processes
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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
PID:4808 -
C:\Users\Admin\AppData\Local\Temp\is-P227D.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp"C:\Users\Admin\AppData\Local\Temp\is-P227D.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp" /SL5="$50104,3708907,54272,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
PID:5100 -
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
PID:400
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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
PID:2276
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-P227D.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp
Filesize692KB
MD5d541b0e8d95d631badc9ff20ed59afdd
SHA1617063202f52daa60cb4a04f505418b2e4778d18
SHA2569450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad
SHA512edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c
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Filesize
4.0MB
MD5eb127174a7c64ddd56edbcd093ec6157
SHA1a76d43956139b7cc6378e6da90abe1944b2240c6
SHA25675b2bf968f967f930d74b3d063d82b4535aaa169b02c5716a8da2b476f81bb7d
SHA512a50005e6a61e380bda4c8dbbd330d8e2aaba53bdc433cbe83ce26720ac0b158b1a3fbebe7576f77a8be6a3caa6686daae46fc0a1cd3b8b214702198aa38fec7b