Overview
overview
10Static
static
1WyChVIlbg/...Zb.ps1
windows7-x64
10WyChVIlbg/...Zb.ps1
windows10-2004-x64
10WyChVIlbg/...Zb.vbs
windows7-x64
1WyChVIlbg/...Zb.vbs
windows10-2004-x64
1WyChVIlbg/main.sh
windows7-x64
3WyChVIlbg/main.sh
windows10-2004-x64
3WyChVIlbg/sleep.sh
windows7-x64
3WyChVIlbg/sleep.sh
windows10-2004-x64
3WyChVIlbg/...Zb.ps1
windows7-x64
10WyChVIlbg/...Zb.ps1
windows10-2004-x64
10WyChVIlbg/...Zb.vbs
windows7-x64
1WyChVIlbg/...Zb.vbs
windows10-2004-x64
1WyChVIlbg/main.sh
windows7-x64
3WyChVIlbg/main.sh
windows10-2004-x64
3WyChVIlbg/sleep.sh
windows7-x64
3WyChVIlbg/sleep.sh
windows10-2004-x64
3Analysis
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max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29-11-2024 11:59
Static task
static1
Behavioral task
behavioral1
Sample
WyChVIlbg/UaqyTpZb.ps1
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
WyChVIlbg/UaqyTpZb.ps1
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
WyChVIlbg/UaqyTpZb.vbs
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
WyChVIlbg/UaqyTpZb.vbs
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
WyChVIlbg/main.sh
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
WyChVIlbg/main.sh
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
WyChVIlbg/sleep.sh
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
WyChVIlbg/sleep.sh
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
WyChVIlbg/UaqyTpZb.ps1
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
WyChVIlbg/UaqyTpZb.ps1
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
WyChVIlbg/UaqyTpZb.vbs
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
WyChVIlbg/UaqyTpZb.vbs
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
WyChVIlbg/main.sh
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
WyChVIlbg/main.sh
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
WyChVIlbg/sleep.sh
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
WyChVIlbg/sleep.sh
Resource
win10v2004-20241007-en
General
-
Target
WyChVIlbg/main.sh
-
Size
196KB
-
MD5
d4f06b258da41c8260fe07e2bc280953
-
SHA1
046a98fa4b8e4b44914884c1525c2c787c98cfa4
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SHA256
b89c2c4c38917239929a94d79f86076f61dde3029fb514fdc7944d7b0114a455
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SHA512
3bc6231d0d5aebad5f3dc45ff6c9b9391ebab51ea004acadd4b9cea96fab91a2274a04d65ca76c431048303cb2405178fcfb989db7bbac95a10ccbf42c4ce660
-
SSDEEP
1536:WpiXzghbEZcJJK8V2i7S/Rn8B5mYlnsoZFWrJ+m6n8tBZO57w2kpm7grh7wJQeRN:Q
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
Processes:
AcroRd32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
Modifies registry class 1 IoCs
Processes:
rundll32.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 1884 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid Process 1884 AcroRd32.exe 1884 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 2968 wrote to memory of 2752 2968 cmd.exe 31 PID 2968 wrote to memory of 2752 2968 cmd.exe 31 PID 2968 wrote to memory of 2752 2968 cmd.exe 31 PID 2752 wrote to memory of 1884 2752 rundll32.exe 32 PID 2752 wrote to memory of 1884 2752 rundll32.exe 32 PID 2752 wrote to memory of 1884 2752 rundll32.exe 32 PID 2752 wrote to memory of 1884 2752 rundll32.exe 32
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh1⤵
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\WyChVIlbg\main.sh"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1884
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5c2b4b0b720fba66768edf06b001f6130
SHA172cf4b9156eff45365d72cc3825a63b1ba12704e
SHA25655a0424c6948bc32d3b72293a0f8676048a049d7c6058102467c8ee31b52484b
SHA512878a05c395ca96ae3403a21d22a554e4beeb8341be5570f2bb43bb9bdf3c70ae7a0cef23c147c1214499290c076697c3e6a6bd36aec8a245140747deb8b9a304