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Analysis
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max time kernel
111s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/11/2024, 11:02
Static task
static1
Behavioral task
behavioral1
Sample
b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe
Resource
win10v2004-20241007-en
General
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Target
b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe
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Size
3.6MB
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MD5
b667b1ec6e1d82d3603e4e1ef2d0d910
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SHA1
b5e84ce0a9d1a17a1b369dd4a13a28af3e9b8d05
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SHA256
b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662
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SHA512
08e36a4089a11560b294af47352c219d104c44d86544251168eb8f774b0a447cd3357c222aae1cc9f1a320bbfb5efc2ddbc4173d9abaff77d710151314d35da7
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SSDEEP
98304:NZcaYHKos9yR8vDrp+0U5TpH/JSSsVKNPxQ:75YHw9yK/p+pTpH7nQ
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2824-80-0x0000000002B60000-0x0000000002C02000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Socks5systemz family
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Executes dropped EXE 2 IoCs
pid Process 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 2824 views32_64.exe -
Loads dropped DLL 6 IoCs
pid Process 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 2824 views32_64.exe -
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 5 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 net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language views32_64.exe -
Discovers systems in the same network 1 TTPs 1 IoCs
pid Process 2244 net.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1880 wrote to memory of 1204 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 30 PID 1880 wrote to memory of 1204 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 30 PID 1880 wrote to memory of 1204 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 30 PID 1880 wrote to memory of 1204 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 30 PID 1880 wrote to memory of 1204 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 30 PID 1880 wrote to memory of 1204 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 30 PID 1880 wrote to memory of 1204 1880 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe 30 PID 1204 wrote to memory of 2244 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 31 PID 1204 wrote to memory of 2244 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 31 PID 1204 wrote to memory of 2244 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 31 PID 1204 wrote to memory of 2244 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 31 PID 1204 wrote to memory of 2824 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 33 PID 1204 wrote to memory of 2824 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 33 PID 1204 wrote to memory of 2824 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 33 PID 1204 wrote to memory of 2824 1204 b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp 33 PID 2244 wrote to memory of 2764 2244 net.exe 34 PID 2244 wrote to memory of 2764 2244 net.exe 34 PID 2244 wrote to memory of 2764 2244 net.exe 34 PID 2244 wrote to memory of 2764 2244 net.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe"C:\Users\Admin\AppData\Local\Temp\b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Users\Admin\AppData\Local\Temp\is-QSJC4.tmp\b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp"C:\Users\Admin\AppData\Local\Temp\is-QSJC4.tmp\b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp" /SL5="$50150,3572563,54272,C:\Users\Admin\AppData\Local\Temp\b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.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:1204 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" pause view_s_112043⤵
- System Location Discovery: System Language Discovery
- Discovers systems in the same network
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 pause view_s_112044⤵
- System Location Discovery: System Language Discovery
PID:2764
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C:\Users\Admin\AppData\Local\ViewS 17.6.9\views32_64.exe"C:\Users\Admin\AppData\Local\ViewS 17.6.9\views32_64.exe" -i3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2824
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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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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-QSJC4.tmp\b1e5b0e42e039b9711c435d691f1372ec663b2cb5a5d6a733d859d75a9f2d662N.tmp
Filesize687KB
MD595d7f6c6a3a4884e02b006291e53fbcc
SHA136430fc8f42b7d2cfefddfc7e20c5c94f63552f7
SHA2569243a741f7a472e2240ba440148a6257c1d206fe414cd1b568c1f52d53664a8f
SHA512b497e7c3bb96114577291020c4de17dc241ca2358cf63824a96c876d5e943ba2f4699f10c7c619501243722107a11f290ca898779e0a5d4c0898ab2290ef8bad
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Filesize
630KB
MD5e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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Filesize
3.3MB
MD5c0aae5947d5ee615c7eb580438626504
SHA192ace62b67a07c88e2c10064100f3df7b62d1754
SHA2569f819c0026728e694597ea884902f84d335aa58d78aa85801328a7d5b6da1165
SHA5123d729b0d06175b0704f3f446a7447affd66df418a1ecc4019961c874ef28b236f9495c96a72885bc8b5a77cbecf6c6c6053727be79ec681357480c3cb25b8692