Overview
overview
7Static
static
7pkooit/WXDSRN.exe
windows7-x64
7pkooit/WXDSRN.exe
windows10-2004-x64
7pkooit/libcurl.dll
windows7-x64
7pkooit/libcurl.dll
windows10-2004-x64
7pkooit/libeay32.dll
windows7-x64
7pkooit/libeay32.dll
windows10-2004-x64
7pkooit/msvcp100.dll
windows7-x64
3pkooit/msvcp100.dll
windows10-2004-x64
3pkooit/msvcr100.dll
windows7-x64
3pkooit/msvcr100.dll
windows10-2004-x64
3pkooit/ssleay32.dll
windows7-x64
7pkooit/ssleay32.dll
windows10-2004-x64
7Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08/09/2024, 06:12
Behavioral task
behavioral1
Sample
pkooit/WXDSRN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
pkooit/WXDSRN.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
pkooit/libcurl.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
pkooit/libcurl.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
pkooit/libeay32.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
pkooit/libeay32.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
pkooit/msvcp100.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
pkooit/msvcp100.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
pkooit/msvcr100.dll
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
pkooit/msvcr100.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
pkooit/ssleay32.dll
Resource
win7-20240708-en
General
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Target
pkooit/libcurl.dll
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Size
268KB
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MD5
826eb1d1a7b917f6dee249f37af24361
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SHA1
c18f330f5b1ba64442fd7602de2113680753641c
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SHA256
10e8ac3fe4d3e6ace7f19a10a1df4409c104f8943d9a0f3b6fd7107620dc9310
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SHA512
968671772d9b604646a14a61d5d81a1abe9d244583ed4dabb919275dc186ad63a9a4451c3fbd2d9a02b2362feb3fb6d78e60115ae05bb5c263a9a75729d8b335
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SSDEEP
6144:Cx/olbmPZ0OnHmt5e5UebJbBfQ/w8s3BMPn6lhXSFeMh2UAWTBNBJEUa:CtQmRznHm25UIbBMw8whMRAWTDBra
Malware Config
Signatures
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resource yara_rule behavioral3/memory/2528-0-0x0000000074E20000-0x0000000075152000-memory.dmp vmprotect behavioral3/memory/2528-1-0x0000000074E20000-0x0000000075152000-memory.dmp vmprotect behavioral3/memory/2528-4-0x0000000074E20000-0x0000000075152000-memory.dmp vmprotect -
Program crash 1 IoCs
pid pid_target Process procid_target 2368 2528 WerFault.exe 30 -
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 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2972 wrote to memory of 2528 2972 rundll32.exe 30 PID 2528 wrote to memory of 2368 2528 rundll32.exe 31 PID 2528 wrote to memory of 2368 2528 rundll32.exe 31 PID 2528 wrote to memory of 2368 2528 rundll32.exe 31 PID 2528 wrote to memory of 2368 2528 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\pkooit\libcurl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\pkooit\libcurl.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 2283⤵
- Program crash
PID:2368
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