Analysis
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max time kernel
141s -
max time network
129s -
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, 07:17
Static task
static1
Behavioral task
behavioral1
Sample
be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe
Resource
win11-20240802-en
General
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Target
be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe
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Size
3.7MB
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MD5
7df87cdce523d073c7714b86cee76868
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SHA1
6f2346ef05d4fe379995160807b209fc2cac1319
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SHA256
be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c
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SHA512
99d695ccd05fb9dd7c856507dd698992365447500cbff6a910c40637a87df9dc29cb3b815443522204d683632cbff531a859ec409a841fcfe3d09b65813c9ee8
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SSDEEP
98304:NvljcRWLNU+EFm1antJQblLj40S3GpiexdRR:FlTWBXtJQIK5d
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2376-78-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz behavioral2/memory/2376-102-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz behavioral2/memory/2376-103-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 2300 xulplayer.exe 2376 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.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 152.89.198.214 -
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 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.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 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2896 wrote to memory of 4224 2896 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe 81 PID 2896 wrote to memory of 4224 2896 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe 81 PID 2896 wrote to memory of 4224 2896 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe 81 PID 4224 wrote to memory of 2300 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 83 PID 4224 wrote to memory of 2300 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 83 PID 4224 wrote to memory of 2300 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 83 PID 4224 wrote to memory of 2376 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 84 PID 4224 wrote to memory of 2376 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 84 PID 4224 wrote to memory of 2376 4224 be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe"C:\Users\Admin\AppData\Local\Temp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Users\Admin\AppData\Local\Temp\is-440SJ.tmp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp"C:\Users\Admin\AppData\Local\Temp\is-440SJ.tmp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp" /SL5="$6024C,3564278,54272,C:\Users\Admin\AppData\Local\Temp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.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:4224 -
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:2300
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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:2376
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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-440SJ.tmp\be67ff9d54abe82de493fdb9f2e49b4037e8c2aa11cd46bc805270573f61872c.tmp
Filesize692KB
MD5d541b0e8d95d631badc9ff20ed59afdd
SHA1617063202f52daa60cb4a04f505418b2e4778d18
SHA2569450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad
SHA512edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
3.9MB
MD5f0cb188d0abc95494f10b3d5bc7366c0
SHA1b59364f1baf7bbefae9db9d14963f77dc6b7f894
SHA2567361ab2a774986f096cc2d6c9008646d2d5265849b05d7bdd69802149fe19983
SHA5120be346b9554b3c922d868fe0b81773d4e109177726c530d0f612caca19a7c12f67d60ee67992279db41bb397d630483c9f3a3a55fb1936f51e7498c55b654d26