Analysis
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max time kernel
140s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/11/2024, 22:53
Static task
static1
Behavioral task
behavioral1
Sample
5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe
Resource
win10v2004-20241007-en
General
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Target
5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe
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Size
820KB
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MD5
58654426acd107a2e2a663137a116411
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SHA1
34a2d0e1a83df42a3fc0a2e42c464360a6f6d6f9
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SHA256
5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4
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SHA512
f01b0d4d96517162720027f28ddb86d2784a4ea64fdf9b6e249d692b896a5202b933960f616dfbeb8e19af09e1e021f2480c858c350e6b7e642698d56aed9fe6
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SSDEEP
24576:9jM7iPCPXNY2Y66vdZyXZz2LN1+yAgVNfffNflVNfffNfawdQcpKcd0jZd616ALQ:9wePCPXNYSI1+yAgVNfffNflVNfffNfw
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1704 sysx32.exe 2580 _5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe -
Loads dropped DLL 3 IoCs
pid Process 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe" 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: sysx32.exe File opened (read-only) \??\B: sysx32.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\sysx32.exe 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe File opened for modification C:\Windows\SysWOW64\sysx32.exe 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe File created C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2408 wrote to memory of 1704 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 30 PID 2408 wrote to memory of 1704 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 30 PID 2408 wrote to memory of 1704 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 30 PID 2408 wrote to memory of 1704 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 30 PID 2408 wrote to memory of 2580 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 31 PID 2408 wrote to memory of 2580 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 31 PID 2408 wrote to memory of 2580 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 31 PID 2408 wrote to memory of 2580 2408 5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe"C:\Users\Admin\AppData\Local\Temp\5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\SysWOW64\sysx32.exeC:\Windows\system32\sysx32.exe /scan2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
PID:1704
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C:\Users\Admin\AppData\Local\Temp\_5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exeC:\Users\Admin\AppData\Local\Temp\_5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe2⤵
- Executes dropped EXE
PID:2580
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\_5d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4.exe
Filesize791KB
MD5e855fba0cae05b80224a6aaaa6c88d8b
SHA18e2035f755f40778d2509bed527d3bacd8720076
SHA25622b58d1edb3261bb767f0c6c62b301b5b9ca3c55b478644e547823d865642d1f
SHA51209f5f4aef3eb21c852a5d1deb6e6473e11357a99bc8fa72ab5090cc49d969d57afb631dc89157b07cf1d128df1e3b98cf0cdb5b00e1d160d1c6ea05a7d04fefc
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Filesize
820KB
MD558654426acd107a2e2a663137a116411
SHA134a2d0e1a83df42a3fc0a2e42c464360a6f6d6f9
SHA2565d258b00e61888cf343804593d0b0a75daf6ce672df1091a43ae9448c93e67b4
SHA512f01b0d4d96517162720027f28ddb86d2784a4ea64fdf9b6e249d692b896a5202b933960f616dfbeb8e19af09e1e021f2480c858c350e6b7e642698d56aed9fe6