Analysis
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max time kernel
143s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe
Resource
win11-20240802-en
General
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Target
43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe
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Size
3.8MB
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MD5
3b576a87fcf4d14071a2ae50b4820315
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SHA1
ff1e63a34b628061eec8a187c6760a5d8bb3dde6
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SHA256
43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6
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SHA512
ed82f83b30650a3e0211e26aaf6b6b5c1277260e54383fd59c2f92dc7ef42b26348ffca4b39bb996749baba4fb9ef343015d11dfbde3852e2aaf1d6b79987737
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SSDEEP
98304:NlYTgIe4K8yOnNvBsCyIneH8SMSmPjqWaebvKxBdRR:HYTgV4rfN5sCytH7OjXaebvKHd
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2072-78-0x0000000000A50000-0x0000000000AF2000-memory.dmp family_socks5systemz behavioral1/memory/2072-101-0x0000000000A50000-0x0000000000AF2000-memory.dmp family_socks5systemz behavioral1/memory/2072-102-0x0000000000A50000-0x0000000000AF2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 1788 xulplayer.exe 2072 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.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 91.211.247.248 -
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 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.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 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1980 wrote to memory of 464 1980 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe 84 PID 1980 wrote to memory of 464 1980 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe 84 PID 1980 wrote to memory of 464 1980 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe 84 PID 464 wrote to memory of 1788 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 88 PID 464 wrote to memory of 1788 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 88 PID 464 wrote to memory of 1788 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 88 PID 464 wrote to memory of 2072 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 89 PID 464 wrote to memory of 2072 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 89 PID 464 wrote to memory of 2072 464 43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp 89
Processes
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C:\Users\Admin\AppData\Local\Temp\43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe"C:\Users\Admin\AppData\Local\Temp\43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Users\Admin\AppData\Local\Temp\is-AV529.tmp\43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp"C:\Users\Admin\AppData\Local\Temp\is-AV529.tmp\43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp" /SL5="$502D8,3688551,54272,C:\Users\Admin\AppData\Local\Temp\43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.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:464 -
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:1788
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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:2072
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\is-AV529.tmp\43a568e145fb750f80b39845454010845b4ecf56266725ed21ad640ed1ecc7c6.tmp
Filesize692KB
MD5d541b0e8d95d631badc9ff20ed59afdd
SHA1617063202f52daa60cb4a04f505418b2e4778d18
SHA2569450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad
SHA512edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
4.0MB
MD5879a058be0a9b7eabc6290d98a77bcd2
SHA17add03cae46b73ef654ec5bc501e1591789a7e3a
SHA256a6b90b2aa04db7e64af64827a52c250f18c11c87d0e494bacf236109f2cb1d05
SHA5128bf91c1490423ff838ba9e3754e7d760d96f15432edff0f1cf97734e1cbd68f0e5134586b351da3f8b40f00f4b6d1387eadbc7f24e2872a5f2b2caa24db67e8a