Analysis
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max time kernel
141s -
max time network
141s -
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, 04:23
Static task
static1
Behavioral task
behavioral1
Sample
1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe
Resource
win11-20240802-en
General
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Target
1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe
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Size
3.6MB
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MD5
62a32f950ef2d1e98a83b34faeddfdec
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SHA1
18652e2fb5bf8c4be5a2d7bc9e74e4e79be07db5
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SHA256
1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290
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SHA512
1c234fdf6a4ed26eca021a790cf07e9f743268db817424f6c84efc03c7907fd8c79d62cefa3d50204d9b9aff754c6e77d367541a140b86e18f1436908b27e72f
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SSDEEP
98304:NRCTfgz3CAx9tv0Tbj8aFRARPv+nE1/aPdf4:OTfgzSApv0Pj8yKPv9aPd4
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/4352-77-0x0000000002A10000-0x0000000002AB2000-memory.dmp family_socks5systemz behavioral2/memory/4352-101-0x0000000002A10000-0x0000000002AB2000-memory.dmp family_socks5systemz behavioral2/memory/4352-102-0x0000000002A10000-0x0000000002AB2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 2944 xulplayer.exe 4352 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.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 xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xulplayer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2292 wrote to memory of 892 2292 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe 82 PID 2292 wrote to memory of 892 2292 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe 82 PID 2292 wrote to memory of 892 2292 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe 82 PID 892 wrote to memory of 2944 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 83 PID 892 wrote to memory of 2944 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 83 PID 892 wrote to memory of 2944 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 83 PID 892 wrote to memory of 4352 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 84 PID 892 wrote to memory of 4352 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 84 PID 892 wrote to memory of 4352 892 1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe"C:\Users\Admin\AppData\Local\Temp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Users\Admin\AppData\Local\Temp\is-RGMGL.tmp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp"C:\Users\Admin\AppData\Local\Temp\is-RGMGL.tmp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp" /SL5="$602C6,3555686,54272,C:\Users\Admin\AppData\Local\Temp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.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:892 -
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:2944
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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:4352
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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-RGMGL.tmp\1821f574b59917ad61579249eb4bfe04e5f379f7fd374fe49f17db7711cfb290.tmp
Filesize692KB
MD55e86b0ec372d2fc1fd230de780e7e967
SHA1b4f60e0014da39c3e7a443deaaaf086aa01f7139
SHA256e8cdcf3e17f27f736c3a131ea7510764087d28909effa27f03de54746452956f
SHA512759f5874ac78a3d630350bbf22a1393cfe41d0914d43452292bce139b6063c045f0f7582aefa197c8c9e37f1bf4e3dd84ce5f5b792bdbabd5e62c419d1b4541d
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Filesize
3.9MB
MD5fbdd20f0f35f3d2a0469aa8abea235fc
SHA11c4997e8c2e4c7e6926a02797b00f247997b1e48
SHA256f4caa0ff52e59d1211078d1993e67b97eda20cb600055421b1db892c0e399218
SHA512ae6e73a454b7121dfdc60a1bc587d984293d05138a3791efc41e32e7c6b284f58eae50f2da90585c7988c94952c99cd95295dc647be8cf9f1a36c533b12435d3