Analysis
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max time kernel
142s -
max time network
128s -
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, 19:39
Static task
static1
Behavioral task
behavioral1
Sample
fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe
Resource
win11-20240802-en
General
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Target
fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe
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Size
4.0MB
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MD5
d46dd478af53d31763a373bc8ed791c9
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SHA1
078edd4efeec7cf4eba8b568a28378f6db267102
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SHA256
fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060
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SHA512
08180b30ea41e5d5920f4192fce157312f6762fcde30f3c59f1fe600b912d46e86611f40bb3671c647853b1db454b40d19d5de3a80bd65d670835a89678b1467
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SSDEEP
98304:N9QIkrnW64oADofd5UwHi+igiHQtSnYc2h4iaBVgSgUNK1Y468dX:EIkrnWGADg/Hi+PiooYc64iaBZNK1N5V
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2944-84-0x0000000002590000-0x0000000002632000-memory.dmp family_socks5systemz behavioral1/memory/2944-107-0x0000000002590000-0x0000000002632000-memory.dmp family_socks5systemz behavioral1/memory/2944-108-0x0000000002590000-0x0000000002632000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 3060 xulplayer32_64.exe 2944 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.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 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2072 wrote to memory of 1552 2072 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe 84 PID 2072 wrote to memory of 1552 2072 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe 84 PID 2072 wrote to memory of 1552 2072 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe 84 PID 1552 wrote to memory of 3060 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 87 PID 1552 wrote to memory of 3060 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 87 PID 1552 wrote to memory of 3060 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 87 PID 1552 wrote to memory of 2944 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 88 PID 1552 wrote to memory of 2944 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 88 PID 1552 wrote to memory of 2944 1552 fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp 88
Processes
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C:\Users\Admin\AppData\Local\Temp\fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe"C:\Users\Admin\AppData\Local\Temp\fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Users\Admin\AppData\Local\Temp\is-EG5A3.tmp\fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp"C:\Users\Admin\AppData\Local\Temp\is-EG5A3.tmp\fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp" /SL5="$100048,3890354,54272,C:\Users\Admin\AppData\Local\Temp\fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.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:1552 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3060
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2944
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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
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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C:\Users\Admin\AppData\Local\Temp\is-EG5A3.tmp\fc0671b8e98277bcbd149b8d0baf40ad80a76fa9f819c30937cd3d2842902060.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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Filesize
3.3MB
MD5ada355421a957dcedf2d67f0e5145b53
SHA11d4a00c0fd67e67d7826f96c4f90b3c28fd3a11d
SHA2563c3f36b32f82b8e63e5ebe6f93fac92fe5119a67e8aa4b8d53adf59612e94d95
SHA512445c72ad02ad3c9d765b95b3d95371f46728f3bfbb54a59470c089b3de3a183c5a7418379f471ad44a158326f35a87e094697facb2fcdef3e6b71e75199b590b