Analysis
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max time kernel
141s -
max time network
139s -
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, 17:35
Static task
static1
Behavioral task
behavioral1
Sample
020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe
Resource
win11-20240802-en
General
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Target
020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe
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Size
4.0MB
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MD5
424bbbc79bd9fe97e7d90f316d967691
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SHA1
5cafa8abaa5caba597cbd6b9f71a2ef246fb50f8
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SHA256
020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997
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SHA512
883bd3a813b7475157f22196c306996781396143bf46e8f5a73fd056e952f1fe28a071e4198297c0777331c0d0cf4e1562b55888c3bf44daf85c0283ed9417eb
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SSDEEP
98304:NjAFRbE99GGbWhcbF9+ZUkXoBbk9FlZ/lFXPaJkDSi8sdX:d4hE9kGShAF9vdm9FlZnP8kmvsV
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/1496-84-0x0000000000A30000-0x0000000000AD2000-memory.dmp family_socks5systemz behavioral2/memory/1496-114-0x0000000000A30000-0x0000000000AD2000-memory.dmp family_socks5systemz behavioral2/memory/1496-113-0x0000000000A30000-0x0000000000AD2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 2912 xulplayer32_64.exe 1496 xulplayer32_64.exe -
Loads dropped DLL 3 IoCs
pid Process 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.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 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.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 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1116 wrote to memory of 1636 1116 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe 82 PID 1116 wrote to memory of 1636 1116 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe 82 PID 1116 wrote to memory of 1636 1116 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe 82 PID 1636 wrote to memory of 2912 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 83 PID 1636 wrote to memory of 2912 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 83 PID 1636 wrote to memory of 2912 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 83 PID 1636 wrote to memory of 1496 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 84 PID 1636 wrote to memory of 1496 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 84 PID 1636 wrote to memory of 1496 1636 020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe"C:\Users\Admin\AppData\Local\Temp\020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Users\Admin\AppData\Local\Temp\is-DK4U1.tmp\020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp"C:\Users\Admin\AppData\Local\Temp\is-DK4U1.tmp\020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.tmp" /SL5="$602D6,3925324,54272,C:\Users\Admin\AppData\Local\Temp\020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.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:1636 -
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:2912
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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:1496
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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-DK4U1.tmp\020b982738af6f2e599c5a4f5e053e2a55030f78e9ec084f4d45cc52dd60a997.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
MD58cdb9f1f7d3734e82ea8c4afb7fa1992
SHA1335960527a2c758020f74e440c5e30c749cb83c4
SHA256a9ba83212683725c224a214f853ee91b05205b410cddc759c5ed31ab541116e7
SHA512fd98f4a4ada099f22db492ff837f03dff875ff84292e3f80912504132a63c967d1bddf9ec24f9c1b39f4b0f8da8b983ccb24f0d9a4b715e50925a5d80d06a08a