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, 18:05
Static task
static1
Behavioral task
behavioral1
Sample
4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe
Resource
win11-20240802-en
General
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Target
4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe
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Size
4.0MB
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MD5
9a0df5d45b7380656d77008774b9718f
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SHA1
0da60e2621d1c476e5e0113b3be4a672dda1126a
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SHA256
4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837
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SHA512
aa81f260fd75824433738495e67e9ca36d6cc3b4b29205acfff96be090f572028c367b2759a3abb5d9614a408cbdb17eee8b8398d6da2c54cda730ba5e57ddf0
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SSDEEP
98304:N2q3uFzKIKhO95s6hMwncXQevgsowKkHee2dX:/ebKhOj5cXQevkV
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/4348-84-0x0000000000A90000-0x0000000000B32000-memory.dmp family_socks5systemz behavioral1/memory/4348-107-0x0000000000A90000-0x0000000000B32000-memory.dmp family_socks5systemz behavioral1/memory/4348-108-0x0000000000A90000-0x0000000000B32000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 2720 xulplayer32_64.exe 4348 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.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 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.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 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3956 wrote to memory of 2372 3956 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe 84 PID 3956 wrote to memory of 2372 3956 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe 84 PID 3956 wrote to memory of 2372 3956 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe 84 PID 2372 wrote to memory of 2720 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 88 PID 2372 wrote to memory of 2720 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 88 PID 2372 wrote to memory of 2720 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 88 PID 2372 wrote to memory of 4348 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 89 PID 2372 wrote to memory of 4348 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 89 PID 2372 wrote to memory of 4348 2372 4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp 89
Processes
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C:\Users\Admin\AppData\Local\Temp\4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe"C:\Users\Admin\AppData\Local\Temp\4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Users\Admin\AppData\Local\Temp\is-KK8B6.tmp\4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp"C:\Users\Admin\AppData\Local\Temp\is-KK8B6.tmp\4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp" /SL5="$50214,3911890,54272,C:\Users\Admin\AppData\Local\Temp\4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.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:2372 -
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:2720
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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:4348
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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-KK8B6.tmp\4eb51148e42d8dd2984230a60c8875ab34392a88682402a313165a11f10c7837.tmp
Filesize692KB
MD500f15ee57af82fc40ac1ec609d1810a4
SHA16abfae4f73ade5af54d267c02389daf49abd6a51
SHA25620fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847
SHA512f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c
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Filesize
3.3MB
MD5757c4cae9bc90d97df6ffbd8d24d7245
SHA1ed786e2a3b5b88b5e576fa36d936db3b7edb8a08
SHA25674a054d4a06ec97cc14a37cda126970f7f685331ccbb0c3f69186ae34def6c0d
SHA51263800b114837dfb62d6f403365db8031f13b00c9aabcb0e4d1682f6838e458be46301dc1dc58b4f68801fbd82ceaf0e0d859246cd586f5d130acfb71871f7c34