Analysis
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max time kernel
143s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 05:41
Static task
static1
Behavioral task
behavioral1
Sample
17bac1320cf993ff775332ea366fd78e.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
17bac1320cf993ff775332ea366fd78e.exe
Resource
win10v2004-20240508-en
General
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Target
17bac1320cf993ff775332ea366fd78e.exe
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Size
4.8MB
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MD5
17bac1320cf993ff775332ea366fd78e
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SHA1
03f0cfdd3abc7d6c1372c27021d064e019cdd519
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SHA256
9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c
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SHA512
181facc11145d2301a72e590dacad76431b2b4a301cb302edb731bc50c4f5cac7635c040f4099d8994d949746b7b91df087fe34ac15753601f092797a1807aa9
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SSDEEP
98304:mQCQ6PrWwe1FDsEvXhtl3E3i1j8T/iqpBzXXIKzA9QHaitXVbE4k:4PSw2FJXgCj8T/JpBztA9QH5tFbrk
Malware Config
Extracted
socks5systemz
benwddw.com
http://benwddw.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8cfa16c3ec90
http://benwddw.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12eab517aa5c96bd86e5908f4e96148ab2865b77f80ebad9c10f7cb63037ed2ab423a43b4383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe19c2ea929938c8
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2568-93-0x0000000002320000-0x00000000023C2000-memory.dmp family_socks5systemz behavioral1/memory/2568-116-0x0000000002320000-0x00000000023C2000-memory.dmp family_socks5systemz behavioral1/memory/2568-115-0x0000000002320000-0x00000000023C2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
17bac1320cf993ff775332ea366fd78e.tmpaudioconverter32.exeaudioconverter32.exepid process 2148 17bac1320cf993ff775332ea366fd78e.tmp 2672 audioconverter32.exe 2568 audioconverter32.exe -
Loads dropped DLL 6 IoCs
Processes:
17bac1320cf993ff775332ea366fd78e.exe17bac1320cf993ff775332ea366fd78e.tmppid process 3040 17bac1320cf993ff775332ea366fd78e.exe 2148 17bac1320cf993ff775332ea366fd78e.tmp 2148 17bac1320cf993ff775332ea366fd78e.tmp 2148 17bac1320cf993ff775332ea366fd78e.tmp 2148 17bac1320cf993ff775332ea366fd78e.tmp 2148 17bac1320cf993ff775332ea366fd78e.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 91.211.247.248 -
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
17bac1320cf993ff775332ea366fd78e.tmppid process 2148 17bac1320cf993ff775332ea366fd78e.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
17bac1320cf993ff775332ea366fd78e.exe17bac1320cf993ff775332ea366fd78e.tmpdescription pid process target process PID 3040 wrote to memory of 2148 3040 17bac1320cf993ff775332ea366fd78e.exe 17bac1320cf993ff775332ea366fd78e.tmp PID 3040 wrote to memory of 2148 3040 17bac1320cf993ff775332ea366fd78e.exe 17bac1320cf993ff775332ea366fd78e.tmp PID 3040 wrote to memory of 2148 3040 17bac1320cf993ff775332ea366fd78e.exe 17bac1320cf993ff775332ea366fd78e.tmp PID 3040 wrote to memory of 2148 3040 17bac1320cf993ff775332ea366fd78e.exe 17bac1320cf993ff775332ea366fd78e.tmp PID 3040 wrote to memory of 2148 3040 17bac1320cf993ff775332ea366fd78e.exe 17bac1320cf993ff775332ea366fd78e.tmp PID 3040 wrote to memory of 2148 3040 17bac1320cf993ff775332ea366fd78e.exe 17bac1320cf993ff775332ea366fd78e.tmp PID 3040 wrote to memory of 2148 3040 17bac1320cf993ff775332ea366fd78e.exe 17bac1320cf993ff775332ea366fd78e.tmp PID 2148 wrote to memory of 2672 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe PID 2148 wrote to memory of 2672 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe PID 2148 wrote to memory of 2672 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe PID 2148 wrote to memory of 2672 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe PID 2148 wrote to memory of 2568 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe PID 2148 wrote to memory of 2568 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe PID 2148 wrote to memory of 2568 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe PID 2148 wrote to memory of 2568 2148 17bac1320cf993ff775332ea366fd78e.tmp audioconverter32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\17bac1320cf993ff775332ea366fd78e.exe"C:\Users\Admin\AppData\Local\Temp\17bac1320cf993ff775332ea366fd78e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Users\Admin\AppData\Local\Temp\is-73IUV.tmp\17bac1320cf993ff775332ea366fd78e.tmp"C:\Users\Admin\AppData\Local\Temp\is-73IUV.tmp\17bac1320cf993ff775332ea366fd78e.tmp" /SL5="$80126,4783782,54272,C:\Users\Admin\AppData\Local\Temp\17bac1320cf993ff775332ea366fd78e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -i3⤵
- Executes dropped EXE
PID:2672 -
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -s3⤵
- Executes dropped EXE
PID:2568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exeFilesize
2.9MB
MD5bb4ad2ecf1a3da08fd86288e66506e52
SHA11dc4a76eb5e37c31804c8f62d71fd1a31c9944c8
SHA2567d69a75de52bbc786cb0d9473ef1ea20818a45c5c35bfba2f6b829cfdd9fb01e
SHA512295ceba397b50b6dad7acbc2c72334161806bba5a101e04d90e1e44488a854096d2c78dfd638e84721e7a90462fe35891110724b5216dc9e8ed6fc067c32e209
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\Users\Admin\AppData\Local\Temp\is-3K2U4.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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\Users\Admin\AppData\Local\Temp\is-3K2U4.tmp\_isetup\_shfoldr.dllFilesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-73IUV.tmp\17bac1320cf993ff775332ea366fd78e.tmpFilesize
680KB
MD5f2ea57162349fbb5a88b276f91880c7d
SHA131d0ef8f01ec1dbca631b2aee891ec46c0a2c663
SHA256756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68
SHA5123dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799
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memory/2148-75-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2148-79-0x0000000003400000-0x00000000036E9000-memory.dmpFilesize
2.9MB
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memory/2148-17-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2148-64-0x0000000003400000-0x00000000036E9000-memory.dmpFilesize
2.9MB
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memory/2568-105-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-89-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-123-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-72-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-120-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-115-0x0000000002320000-0x00000000023C2000-memory.dmpFilesize
648KB
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memory/2568-76-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-116-0x0000000002320000-0x00000000023C2000-memory.dmpFilesize
648KB
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memory/2568-80-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-83-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-86-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-114-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-92-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-93-0x0000000002320000-0x00000000023C2000-memory.dmpFilesize
648KB
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memory/2568-99-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-102-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-111-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2568-108-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2672-66-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2672-65-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/2672-69-0x0000000000400000-0x00000000006E9000-memory.dmpFilesize
2.9MB
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memory/3040-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3040-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3040-74-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB