Analysis
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max time kernel
149s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
11/08/2024, 10:29
Static task
static1
Behavioral task
behavioral1
Sample
34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe
Resource
win10v2004-20240802-en
General
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Target
34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe
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Size
3.7MB
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MD5
4d3dcc0efebaa29fc6dfa41fda013c6f
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SHA1
d43de39edcf393773370ae718ebde60c022ee495
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SHA256
34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce
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SHA512
3460b71f1054fe0cb0f4d3542f8a93f5b1c21f92038e823d2af180a604c8c023d4c677e1ea9791cf79bb12fac2c2c771b862c0f87f3cb5107e38d11ccf100bce
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SSDEEP
98304:NgUDGJ0yC1egV9WtnhbF3GkJ82COiATeSaFPyb9ILDurdw:7u4odF3Gf2DiGecb9I+rG
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2912-86-0x0000000002350000-0x00000000023F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 2800 xulplayer.exe 2912 xulplayer.exe -
Loads dropped DLL 5 IoCs
pid Process 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.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 xulplayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1700 wrote to memory of 1628 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 30 PID 1700 wrote to memory of 1628 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 30 PID 1700 wrote to memory of 1628 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 30 PID 1700 wrote to memory of 1628 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 30 PID 1700 wrote to memory of 1628 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 30 PID 1700 wrote to memory of 1628 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 30 PID 1700 wrote to memory of 1628 1700 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe 30 PID 1628 wrote to memory of 2800 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 32 PID 1628 wrote to memory of 2800 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 32 PID 1628 wrote to memory of 2800 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 32 PID 1628 wrote to memory of 2800 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 32 PID 1628 wrote to memory of 2912 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 33 PID 1628 wrote to memory of 2912 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 33 PID 1628 wrote to memory of 2912 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 33 PID 1628 wrote to memory of 2912 1628 34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp 33
Processes
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C:\Users\Admin\AppData\Local\Temp\34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe"C:\Users\Admin\AppData\Local\Temp\34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Users\Admin\AppData\Local\Temp\is-8G8QJ.tmp\34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp"C:\Users\Admin\AppData\Local\Temp\is-8G8QJ.tmp\34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp" /SL5="$40016,3564417,54272,C:\Users\Admin\AppData\Local\Temp\34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.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:1628 -
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:2800
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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:2912
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\is-8G8QJ.tmp\34aafc02c00121fa34646aeb5abdd1c253ed74817d82a53c6b38f643b52081ce.tmp
Filesize692KB
MD5e27c73e7da7324243f44020bdb626e16
SHA13efcc9a1d7e3951b249021b9adda9bced6a703c2
SHA2568d33851dabd3a3d8701eb8d48b7da5d6bdc73d178ae9d567c35e87e0a1060926
SHA5123bdd8971bfc950ca5fc8b6475f0e18a79cce186b4b39843560590fd24873a9725c1c4f50df8d81aa9f74dc6d351188594e2426a9fe3f6bf6c0d2bb8e9b3b7216
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
3.9MB
MD58643c69ca4f55fdc06857ccd3208262d
SHA15161dd8f4b28ab63de6f957462b00c25417929d2
SHA25670da0077e3906752c3f3463e1fa3a1a0fd72d413e4a073190fb95a90a808837a
SHA512ae2eb941e7e43d020e43ee79c12585f3c03a2dfcf6ec0ee8a6417ca00f87dabfef03e9a0d838bf6e7c10fbb09a4948c3043defe01fbaed76e7de09074c43d92d