Analysis
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max time kernel
147s -
max time network
149s -
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, 05:39
Static task
static1
Behavioral task
behavioral1
Sample
2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe
Resource
win11-20240802-en
General
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Target
2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe
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Size
3.6MB
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MD5
29268b07c017acf3a65b252eb470e22a
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SHA1
b1b063e36b509e0299b190c85b8cd3158127e373
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SHA256
2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f
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SHA512
08d22ba94d5d0aca4aac8280d7786ea9ce91b46d880cdd6245760b05871853d24b29aeb8fb6c3084826824d129840cba4968297039a58d1405d6899cde5033e4
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SSDEEP
98304:N/S9PQCoNfID+27zeSqFasedzcj3LR+vQUdu7:A9YC4fIh7z2Eqj31+vQUM
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/1028-78-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz behavioral2/memory/1028-102-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz behavioral2/memory/1028-103-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 724 xulplayer.exe 1028 xulplayer.exe -
Loads dropped DLL 1 IoCs
pid Process 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.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 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.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 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4636 wrote to memory of 4688 4636 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe 82 PID 4636 wrote to memory of 4688 4636 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe 82 PID 4636 wrote to memory of 4688 4636 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe 82 PID 4688 wrote to memory of 724 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 84 PID 4688 wrote to memory of 724 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 84 PID 4688 wrote to memory of 724 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 84 PID 4688 wrote to memory of 1028 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 85 PID 4688 wrote to memory of 1028 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 85 PID 4688 wrote to memory of 1028 4688 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe"C:\Users\Admin\AppData\Local\Temp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4636 -
C:\Users\Admin\AppData\Local\Temp\is-KEDJR.tmp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp"C:\Users\Admin\AppData\Local\Temp\is-KEDJR.tmp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp" /SL5="$602AA,3539010,54272,C:\Users\Admin\AppData\Local\Temp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.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:4688 -
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:724
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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:1028
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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-KEDJR.tmp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp
Filesize692KB
MD53e58a9d5830b25c2662c530eb10f9fd5
SHA1de246ec71a420cb6097dad238df4194c6ea193cb
SHA256da4b8d3ae61ebcfee90d1bf6990aefbc7e72a5648b823c88c3b2d6d7b5e5ecfb
SHA5128cd131d67edd7058ae9d5b6686cfc986ecfb6b2c240f4b5d4241373ae553af4da35ea28a383cbbd84608c522743689afe4d4856be2a07edca002e7f2dd13281f
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Filesize
3.9MB
MD522669f4b922f0a71d996f4aa6a6475e3
SHA1951b6d2d16a45d5f8103bcabd0f0546e02e1957c
SHA256d2da6eb3553c5f8085e497254ae44f6bf340a2d78916a4e92049cde965f93a96
SHA5121625b2a5de4b2319c22003bfd6fed8d7925a35f7ac9eb9a7ab3251e7150e24dd82841ccdcfbe77ca3e952e423340e113c915ef10e1bc98791347fded2834d828