Analysis
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max time kernel
142s -
max time network
137s -
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, 08:51
Static task
static1
Behavioral task
behavioral1
Sample
8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe
Resource
win11-20240802-en
General
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Target
8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe
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Size
3.8MB
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MD5
b47685aa41c0b826dd6b0ac8a51d073c
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SHA1
b3961d843dcc80be6374871697d915d12cb32c00
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SHA256
8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da
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SHA512
654c293d94fc79c91e1939c75c2c1019b044aafd2c5d8925c8c5282c2ad363c402e74d652427af2b0ca6961a1547045f567fee99e0ea6322feabf8659707f503
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SSDEEP
98304:Nm9NOadwPhiGUlS1g8eFvTK9c4t9EGE0UfEjiFFedRR:89OQdOgnctaHEjiFAd
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/400-77-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz behavioral1/memory/400-100-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz behavioral1/memory/400-101-0x0000000000B00000-0x0000000000BA2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 1876 xulplayer.exe 400 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.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 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3172 wrote to memory of 5092 3172 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe 86 PID 3172 wrote to memory of 5092 3172 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe 86 PID 3172 wrote to memory of 5092 3172 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe 86 PID 5092 wrote to memory of 1876 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 90 PID 5092 wrote to memory of 1876 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 90 PID 5092 wrote to memory of 1876 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 90 PID 5092 wrote to memory of 400 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 91 PID 5092 wrote to memory of 400 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 91 PID 5092 wrote to memory of 400 5092 8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp 91
Processes
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C:\Users\Admin\AppData\Local\Temp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe"C:\Users\Admin\AppData\Local\Temp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Users\Admin\AppData\Local\Temp\is-PGVD5.tmp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp"C:\Users\Admin\AppData\Local\Temp\is-PGVD5.tmp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp" /SL5="$6023E,3725716,54272,C:\Users\Admin\AppData\Local\Temp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.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:5092 -
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:1876
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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:400
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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-PGVD5.tmp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp
Filesize692KB
MD5d541b0e8d95d631badc9ff20ed59afdd
SHA1617063202f52daa60cb4a04f505418b2e4778d18
SHA2569450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad
SHA512edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c
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Filesize
4.0MB
MD5dad988e230d61db78015b5675909854a
SHA19498387f243102a166e0a1b9cc13aefb4cfb84e7
SHA2565bb318cf7e15c8043ca54da809d3418f761c0c38f356b028dd60541278ada3e9
SHA5128a05347774d50f89a76298b40f4e6fe9d1f8d91c6ce73ae0dd85fa00888a7e97de80636ae08d4e4a159bec34c9fcf87ac70149048a35b597ca0cadc7bca31fb8