Analysis
-
max time kernel
77s -
max time network
202s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 13:03
Behavioral task
behavioral1
Sample
372ee251abd3f4942d00c3a51ed39795.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
372ee251abd3f4942d00c3a51ed39795.pdf
Resource
win10v2004-20231215-en
General
-
Target
372ee251abd3f4942d00c3a51ed39795.pdf
-
Size
97KB
-
MD5
372ee251abd3f4942d00c3a51ed39795
-
SHA1
967375cb2f4046810caf655fbdbcf09867955d2d
-
SHA256
9468995e69554d0ecbae6e7cac97ec459bdaa5d2e8a3843e540a82a474fa58cf
-
SHA512
43b94c4de53004f754ee58214c1c81fb93b02d2fa2d9cebfe5f8654507815f04874479d9955592249d5bd253d7181d1c702fc4e383d8d5002fe1318cffc05680
-
SSDEEP
3072:np/2AE+eUSTCU8LXuX1RPxq44WzmJJK2E:peAVeUHuX1tl
Malware Config
Signatures
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 840 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 840 AcroRd32.exe 840 AcroRd32.exe 840 AcroRd32.exe 840 AcroRd32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 840 wrote to memory of 5044 840 AcroRd32.exe 91 PID 840 wrote to memory of 5044 840 AcroRd32.exe 91 PID 840 wrote to memory of 5044 840 AcroRd32.exe 91
Processes
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\372ee251abd3f4942d00c3a51ed39795.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:5044
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:1384
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:4016
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:3448
-
-
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:1880
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e