Overview
overview
8Static
static
3GeeLark_x64_1.8.0.exe
windows10-1703-x64
8$PLUGINSDI...os.dll
windows10-1703-x64
3$PLUGINSDIR/nsDui.dll
windows10-1703-x64
3$PLUGINSDI...ss.dll
windows10-1703-x64
3DuiLib_d.dll
windows10-1703-x64
3DuiLib_u.dll
windows10-1703-x64
3DuiLib_ud.dll
windows10-1703-x64
3DuilibPreview.exe
windows10-1703-x64
3Analysis
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max time kernel
315s -
max time network
402s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
19-08-2024 18:11
Static task
static1
Behavioral task
behavioral1
Sample
GeeLark_x64_1.8.0.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/ExecDos.dll
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsDui.dll
Resource
win10-20240611-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10-20240404-en
Behavioral task
behavioral5
Sample
DuiLib_d.dll
Resource
win10-20240404-en
Behavioral task
behavioral6
Sample
DuiLib_u.dll
Resource
win10-20240404-en
Behavioral task
behavioral7
Sample
DuiLib_ud.dll
Resource
win10-20240404-en
Behavioral task
behavioral8
Sample
DuilibPreview.exe
Resource
win10-20240404-en
General
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Target
$PLUGINSDIR/ExecDos.dll
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Size
6KB
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MD5
774e3b33d151413dc826bf2421cd51e8
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SHA1
ab2928dcf6fa54bb9eb16e5f64bfcffaaeee90fa
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SHA256
91d5481f576382164703e4ac244052265769377838ac30233ad79c983ed9d454
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SHA512
3cf955b13e81e4b6edb292df751ce7f64b0cf30979f57b1609f002859b4e68adc046b6674f76f7b7ce7144382316c344c11fed02d638e62fcc8464c32795a365
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SSDEEP
96:38IgHUv7jr2GJ+dfuitjFVsDtwC6OcgHl7cFi1cyMV7WhWuaW:dCajridfjR6tw1OjHl7cE1KyhWua
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4256 4628 WerFault.exe 72 -
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 3 IoCs
description pid Process procid_target PID 4184 wrote to memory of 4628 4184 rundll32.exe 72 PID 4184 wrote to memory of 4628 4184 rundll32.exe 72 PID 4184 wrote to memory of 4628 4184 rundll32.exe 72
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExecDos.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4184 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ExecDos.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 6203⤵
- Program crash
PID:4256
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