Analysis
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max time kernel
141s -
max time network
127s -
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, 20:45
Static task
static1
Behavioral task
behavioral1
Sample
8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe
Resource
win11-20240802-en
General
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Target
8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe
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Size
4.0MB
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MD5
4a223a34fb037e7d5944697dcc0c5717
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SHA1
745641d014040bf52eaf997e1696c01da320d283
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SHA256
8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e
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SHA512
5cbd945bfc95e0c7db772dce48b5e7a7e5f3f6c0d23f4396349d9bdaa0198bc97636227e6a38bb9744af79698e8a8290e11b28774a8078497456c33df43068b1
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SSDEEP
98304:NymRZRydcjVR+eu9Jrcu+ZwjFp6IGai+zTlDGdX:XMcdunrcu+Zw3lBGV
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3708-83-0x0000000002540000-0x00000000025E2000-memory.dmp family_socks5systemz behavioral2/memory/3708-108-0x0000000002540000-0x00000000025E2000-memory.dmp family_socks5systemz behavioral2/memory/3708-109-0x0000000002540000-0x00000000025E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 712 xulplayer32_64.exe 3708 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.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 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.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 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2644 wrote to memory of 4656 2644 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe 80 PID 2644 wrote to memory of 4656 2644 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe 80 PID 2644 wrote to memory of 4656 2644 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe 80 PID 4656 wrote to memory of 712 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 82 PID 4656 wrote to memory of 712 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 82 PID 4656 wrote to memory of 712 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 82 PID 4656 wrote to memory of 3708 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 83 PID 4656 wrote to memory of 3708 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 83 PID 4656 wrote to memory of 3708 4656 8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp 83
Processes
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C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe"C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp"C:\Users\Admin\AppData\Local\Temp\is-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp" /SL5="$6013A,3900869,54272,C:\Users\Admin\AppData\Local\Temp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.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:4656 -
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:712
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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:3708
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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-5GU0E.tmp\8db66b0d87316c8c483597cb7866f77be2097400c792f2544350fe746f98572e.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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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
3.3MB
MD559c30c6ffdfd385dbe9b0f999bcd17a4
SHA13e87cd61ac869ff1a72f6f1d8d8dcf577d7454dd
SHA256cd0ebd138ff66b54fd739b724d51a32727f69ed6f75730138e028516fb325f35
SHA51234c3eaba4b1952297263c48b5097527f911551c61cd05c6f215d54a42e0cdd3b1a002723d501d269f56ba3991cf3016c0ae5a6d30d081dab41d195bd6cc4862d