Analysis
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max time kernel
142s -
max time network
129s -
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, 13:59
Static task
static1
Behavioral task
behavioral1
Sample
6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe
Resource
win11-20240802-en
General
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Target
6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe
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Size
3.9MB
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MD5
690fae623efdfc5fe8600da2db11032e
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SHA1
dd3774c44b3aaa6fe63fcd11b6adb1a00d20a3fc
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SHA256
6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc
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SHA512
47828aebcc69178c3972812f5ced40c2658ae68d08e7db22b7ce8f78d104a7153cdfe38761fe29008fe02ed8b4f22cddaebcf9360f459b183a478dfd23a855b3
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SSDEEP
98304:NbvL6OJzqJTZ5sGYcCbq44XbLHwQInR+4QUe9tuj8nTkxvEdh:FL6YqdsLKLUQInRC9tujgy8L
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/2996-84-0x0000000000A30000-0x0000000000AD2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 3848 xulplayer32.exe 2996 xulplayer32.exe -
Loads dropped DLL 3 IoCs
pid Process 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.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 xulplayer32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 956 wrote to memory of 1512 956 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe 81 PID 956 wrote to memory of 1512 956 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe 81 PID 956 wrote to memory of 1512 956 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe 81 PID 1512 wrote to memory of 3848 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 83 PID 1512 wrote to memory of 3848 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 83 PID 1512 wrote to memory of 3848 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 83 PID 1512 wrote to memory of 2996 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 84 PID 1512 wrote to memory of 2996 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 84 PID 1512 wrote to memory of 2996 1512 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe"C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp"C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp" /SL5="$A0250,3805313,54272,C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.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:1512 -
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3848
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C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2996
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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-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
Filesize692KB
MD54a034cc8809b92775041cc5a46c52ab0
SHA13f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d
SHA2564dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60
SHA512e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6
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Filesize
3.1MB
MD5ee4aa8aad716780c2495fed8ae680fe9
SHA184c4b20bd53ce15f6f2eb13a17df0f22d8b48d0c
SHA256026d25f139c4cd24a851bde755d7b71df87f587267a4b3933d4ff411fbd267ff
SHA512fd78d3e8a526dfb82d5d98c25c821a5a1441a89475fc13d763b27e087e8d9c9ddcdb16df3c042ae4662d722aadd6420c386d58dc43bb85df1802b2e8147a8d01