Analysis
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max time kernel
142s -
max time network
139s -
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, 02:29
Static task
static1
Behavioral task
behavioral1
Sample
8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe
Resource
win11-20240802-en
General
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Target
8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe
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Size
4.6MB
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MD5
a43188891d41684a16531786f10801f7
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SHA1
c56f82fe02bdfc86424e5d080edfcec8d1890645
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SHA256
8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635
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SHA512
b0ba3d5818a410f79208a6e63b8ff9df0d0066c5feadcd04248eecec35fbd83fc6365f328a8d31a9f1ac0581453d6ad48a76521f6b0bbaab272f7461691114f3
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SSDEEP
98304:NeHfLvCH15LSKvr1TVKNxRETq0lc2rhhYiGoSj3fT/m9JD0zfdJ:0OSKvr1RSRETq2cOzGoS7K9kD
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/388-82-0x0000000000B30000-0x0000000000BD2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 1972 avicodec32_64.exe 388 avicodec32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.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 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language avicodec32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language avicodec32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 496 wrote to memory of 3488 496 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe 84 PID 496 wrote to memory of 3488 496 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe 84 PID 496 wrote to memory of 3488 496 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe 84 PID 3488 wrote to memory of 1972 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 86 PID 3488 wrote to memory of 1972 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 86 PID 3488 wrote to memory of 1972 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 86 PID 3488 wrote to memory of 388 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 87 PID 3488 wrote to memory of 388 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 87 PID 3488 wrote to memory of 388 3488 8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp 87
Processes
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C:\Users\Admin\AppData\Local\Temp\8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe"C:\Users\Admin\AppData\Local\Temp\8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Users\Admin\AppData\Local\Temp\is-GT0LU.tmp\8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp"C:\Users\Admin\AppData\Local\Temp\is-GT0LU.tmp\8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp" /SL5="$A0032,4561484,54272,C:\Users\Admin\AppData\Local\Temp\8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.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:3488 -
C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1972
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C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe"C:\Users\Admin\AppData\Local\AVI Codec\avicodec32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:388
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.2MB
MD5ab46436bafb3184e30edca2312c85946
SHA1e23a8f58f71e8df14c7ef60d85da249d71e8c066
SHA256f578eed565000e56f8697cca6363e74d4ee72b453d02debff3516825e1f82180
SHA512271cb5f3d998925af04b5809a693a369301482a28aef3ccd7182ce30cd804600d31a52fbd61e8ee5d97823412245520d3ae523debd8cc03e84076a114f0241e6
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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C:\Users\Admin\AppData\Local\Temp\is-GT0LU.tmp\8fd194d74e1189e2b8a4149c44980bfc50af644a36c88e45a433340c519a4635.tmp
Filesize692KB
MD585fc5b8836d8625fbfa40a092386e645
SHA1a90bb83f5d8d024bb357a44682267a50406071d6
SHA2566dda4c9c34d1898b592ebeccee9f4b2a2bffefd68296da6310435e13fb63d950
SHA512c50e53c2c695c7ba24b4cc2c2f958e1e9ce4eea9b541684ea41c7cae513919bb80171dcaaf1c18a8f37221737e6a1f8ba0881a224abd3dd09407d0c4edb96aae