Analysis
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max time kernel
141s -
max time network
131s -
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, 15:03
Static task
static1
Behavioral task
behavioral1
Sample
21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe
Resource
win11-20240802-en
General
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Target
21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe
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Size
3.9MB
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MD5
b7c3c5949b3fca7b3e86894e8d0c5244
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SHA1
0570909d1e23f2a3a5614c33eb47734e994d1131
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SHA256
21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4
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SHA512
a46368a59b12ca38a5d0b312a363c797cfac9bb8898a24c54eeecbf0de860349f8f6f2cfd998541cc9f98633a589e26a3e86d83dbe74901960eb5130bf1d1f89
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SSDEEP
98304:NWvfrJ4iXLMckpzQ/OriCJGcLV1tDFxjxcnO351WgJ27rm6oBdh:wjLMPpziOrpZBpx4qbMSbL
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/5040-85-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz behavioral2/memory/5040-110-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz behavioral2/memory/5040-111-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 4356 xulplayer32.exe 5040 xulplayer32.exe -
Loads dropped DLL 3 IoCs
pid Process 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.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 45.155.250.90 -
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 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 668 wrote to memory of 2932 668 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe 82 PID 668 wrote to memory of 2932 668 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe 82 PID 668 wrote to memory of 2932 668 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe 82 PID 2932 wrote to memory of 4356 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 83 PID 2932 wrote to memory of 4356 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 83 PID 2932 wrote to memory of 4356 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 83 PID 2932 wrote to memory of 5040 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 84 PID 2932 wrote to memory of 5040 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 84 PID 2932 wrote to memory of 5040 2932 21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe"C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Users\Admin\AppData\Local\Temp\is-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp"C:\Users\Admin\AppData\Local\Temp\is-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp" /SL5="$602D6,3818024,54272,C:\Users\Admin\AppData\Local\Temp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.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:2932 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4356
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5040
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-813LV.tmp\21724dd23ae0c26710bff2a2e5727fdef8d925cea9721f181073cadd7d0ae2f4.tmp
Filesize692KB
MD54a034cc8809b92775041cc5a46c52ab0
SHA13f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d
SHA2564dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60
SHA512e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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Filesize
3.1MB
MD5ea12c72d0940f899d9655e6ed4cbf14c
SHA1a434548c05f6ba1d76a08110987b83c7bb371b51
SHA2560600517fbc19bf34ecbd8c5787cc2a7b30174558631d8dccf44e8980d90fc195
SHA51279afb257e71159f662de459de8a46bfba2ee9aa7b19ba3a0b726ffeac612201a3318cb5df5b9d60842fb2f7a0a868caf09754e0d3a5ea7693e62b7e0fd584a54