Analysis
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max time kernel
141s -
max time network
141s -
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, 19:09
Static task
static1
Behavioral task
behavioral1
Sample
6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe
Resource
win11-20240802-en
General
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Target
6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe
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Size
4.2MB
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MD5
a1058b2a6e2af0cf76ecf5b1dd6fe33a
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SHA1
09c82539a8fb22890d4f7148c578bef505a0b917
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SHA256
6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e
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SHA512
cd5e19b5e6506b5a1c376f7d109d28cb13a70e4fba5a0df32f9d9d2654926fd704841a71c2d27c832721c3442cc8b14bc4ad64ef747dd781cc21c64ab4660f84
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SSDEEP
98304:NDeP3TRG19W8turG/StKKnOSMmRUxRINvdUPEuwdX:YTI1RtuC/RKOSMmRUxRCmPEuwV
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3104-83-0x0000000000B30000-0x0000000000BD2000-memory.dmp family_socks5systemz behavioral2/memory/3104-108-0x0000000000B30000-0x0000000000BD2000-memory.dmp family_socks5systemz behavioral2/memory/3104-109-0x0000000000B30000-0x0000000000BD2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 1304 xulplayer32_64.exe 3104 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.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 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1296 wrote to memory of 3612 1296 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe 82 PID 1296 wrote to memory of 3612 1296 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe 82 PID 1296 wrote to memory of 3612 1296 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe 82 PID 3612 wrote to memory of 1304 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 83 PID 3612 wrote to memory of 1304 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 83 PID 3612 wrote to memory of 1304 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 83 PID 3612 wrote to memory of 3104 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 84 PID 3612 wrote to memory of 3104 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 84 PID 3612 wrote to memory of 3104 3612 6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe"C:\Users\Admin\AppData\Local\Temp\6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Users\Admin\AppData\Local\Temp\is-PDDUA.tmp\6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp"C:\Users\Admin\AppData\Local\Temp\is-PDDUA.tmp\6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp" /SL5="$A0208,4092720,54272,C:\Users\Admin\AppData\Local\Temp\6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.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:3612 -
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:1304
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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:3104
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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-PDDUA.tmp\6086addd95fb28ecc9bd5aab696a3a3460481752e42cf1fd24fd532c65c5c64e.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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Filesize
3.5MB
MD5be826e3be7f27d3da19aa3e470561bf9
SHA1508d67848086fa8176a81ae164f6e0014b4f0851
SHA2561b3877644d725f88d3501ea369a873d5838262355092284ec49fb88360b71f28
SHA51253247e36052a0ad6d984a7927ed8b123b91c67cbc03c5372a0c87bad6351bb7975570b5d09c3270d9061e71d5d04762a90074c3a9eb08155734969fd378ba35e