Analysis
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max time kernel
144s -
max time network
147s -
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, 08:19
Static task
static1
Behavioral task
behavioral1
Sample
5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe
Resource
win11-20240802-en
General
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Target
5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe
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Size
4.0MB
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MD5
d262d4d39c160e8b1f19a656c8b3a933
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SHA1
ab47c7149ac440e0f633529bc305b12487c7624b
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SHA256
5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867
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SHA512
ffa7c43394774e043a1808b39f5cdbd7def57bfa21880a7caf1a220676c8059dffc40eeb46826160ad274628012c20cd3172ce366053d4406e23e0d59885fc8f
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SSDEEP
98304:NiKTHvmlglk1ORB9PTnsd71hS/EB0rLMioW0/LKsDiUfpNaS1KldRR:cKTPmlga1mZsBWLiW0DNf7Ad
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2864-80-0x0000000000C40000-0x0000000000CE2000-memory.dmp family_socks5systemz behavioral2/memory/2864-103-0x0000000000C40000-0x0000000000CE2000-memory.dmp family_socks5systemz behavioral2/memory/2864-104-0x0000000000C40000-0x0000000000CE2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 3864 xulplayer.exe 2864 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.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 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4824 wrote to memory of 4064 4824 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe 81 PID 4824 wrote to memory of 4064 4824 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe 81 PID 4824 wrote to memory of 4064 4824 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe 81 PID 4064 wrote to memory of 3864 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 83 PID 4064 wrote to memory of 3864 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 83 PID 4064 wrote to memory of 3864 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 83 PID 4064 wrote to memory of 2864 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 84 PID 4064 wrote to memory of 2864 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 84 PID 4064 wrote to memory of 2864 4064 5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe"C:\Users\Admin\AppData\Local\Temp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Users\Admin\AppData\Local\Temp\is-NEFC0.tmp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp"C:\Users\Admin\AppData\Local\Temp\is-NEFC0.tmp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp" /SL5="$50102,3970366,54272,C:\Users\Admin\AppData\Local\Temp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.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:4064 -
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:3864
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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:2864
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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-NEFC0.tmp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp
Filesize692KB
MD5d541b0e8d95d631badc9ff20ed59afdd
SHA1617063202f52daa60cb4a04f505418b2e4778d18
SHA2569450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad
SHA512edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c
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Filesize
4.2MB
MD53f924dfe0263fae61e738cbe5fe4c67f
SHA1003204c0f580addcc1547c4adcca5322a296988a
SHA256ea6598872c1bfc8e063c874b29a4f62c3406e1c08062b9de21b0dd3835d1dcc2
SHA512649598b59487b68c57e8db0d0d0bb412facb2aa4a56ca517063fc2e9f0cc4b250c9a608506538424d9169d6d7d803d75f0fea797443bca448a0f7bb475e765ef