Analysis
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max time kernel
141s -
max time network
128s -
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, 06:05
Static task
static1
Behavioral task
behavioral1
Sample
dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe
Resource
win11-20240802-en
General
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Target
dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe
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Size
3.6MB
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MD5
1ca1ff55a8c157cf50fe907aeb719868
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SHA1
4519688451ac3de92d55d38cbbce295ac63d6d83
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SHA256
dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2
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SHA512
d93eae4423870b1a6194e27ae88b5d5b645c24072e3cf94b24adf05d789697f2676815c3e041d3dc0a4ad74a070f4c11014e40b6d765d3cca8ed99c85b335afc
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SSDEEP
98304:N51qztzgRQNmg0xloL2dVYMZdzE2rxWcmGYIdu7:hQzgRd1xpVYMZhtWcmGtM
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/4996-78-0x0000000000BA0000-0x0000000000C42000-memory.dmp family_socks5systemz behavioral2/memory/4996-103-0x0000000000BA0000-0x0000000000C42000-memory.dmp family_socks5systemz behavioral2/memory/4996-104-0x0000000000BA0000-0x0000000000C42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 1216 xulplayer.exe 4996 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.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 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 224 wrote to memory of 4008 224 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe 81 PID 224 wrote to memory of 4008 224 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe 81 PID 224 wrote to memory of 4008 224 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe 81 PID 4008 wrote to memory of 1216 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 83 PID 4008 wrote to memory of 1216 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 83 PID 4008 wrote to memory of 1216 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 83 PID 4008 wrote to memory of 4996 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 84 PID 4008 wrote to memory of 4996 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 84 PID 4008 wrote to memory of 4996 4008 dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe"C:\Users\Admin\AppData\Local\Temp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Users\Admin\AppData\Local\Temp\is-81CKF.tmp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp"C:\Users\Admin\AppData\Local\Temp\is-81CKF.tmp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp" /SL5="$601DE,3521184,54272,C:\Users\Admin\AppData\Local\Temp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.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:4008 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1216
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4996
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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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C:\Users\Admin\AppData\Local\Temp\is-81CKF.tmp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp
Filesize692KB
MD53e58a9d5830b25c2662c530eb10f9fd5
SHA1de246ec71a420cb6097dad238df4194c6ea193cb
SHA256da4b8d3ae61ebcfee90d1bf6990aefbc7e72a5648b823c88c3b2d6d7b5e5ecfb
SHA5128cd131d67edd7058ae9d5b6686cfc986ecfb6b2c240f4b5d4241373ae553af4da35ea28a383cbbd84608c522743689afe4d4856be2a07edca002e7f2dd13281f
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Filesize
3.9MB
MD580b7e773631a8bdc76708bb9d6c1168b
SHA1dd1f8e86211250fd5d3e20d12aea68d3b05d42a7
SHA2561fd1c9fb91725e7480e582da3e7f1548ccb0b11fb84ccf85d8ab81f6936525f4
SHA51280a4cbb2c33455c9491e1e60af79fbedb1d950d8a8de8d2ee2d5067f9573269ae823d610b4469a32a65ddd53287eae49b1e74f4311ce54a13ac13cc7d9e4eb68