Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
26/03/2024, 10:46
Behavioral task
behavioral1
Sample
def9bf85999d1f9ba0b78cb44e581f69.dll
Resource
win7-20240221-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
def9bf85999d1f9ba0b78cb44e581f69.dll
Resource
win10v2004-20240226-en
2 signatures
150 seconds
General
- Target def9bf85999d1f9ba0b78cb44e581f69.dll
- Size 174KB
- Sample240326-mt9kpsbc5v
- SHA256 e224caaa55a54a134181d4221e6e87625c4ed1f986aac2ca72f218ffedf2966e
- MD5 def9bf85999d1f9ba0b78cb44e581f69
- SHA1 e73ae67bbe431b5e9b19741e04b237b34879638c
- SHA512 c412cf1fa8e3d9d028ef98d890246716e006a26fd050a4037e81e02f26441d7adbfcd66657f42e9ecb7f7d76fb8f7e5fbf7fbf960d8d9f1383fd5055617b3af4
- SSDEEP 3072:VlKV1k6wgKnwUijzWE5hApOR5NDSbbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFI:VU1iglUCChpBwvP6bQ7yMP+DE827YKW
- MD5 SHA1 SHA512 SSDEEP
Score
1/10
Malware Config
Signatures
- Modifies registry class 17 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}\ = "loader" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\ = "loader 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\def9bf85999d1f9ba0b78cb44e581f69.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL\AppID = "{D103EBF9-6DD5-4715-863A-00AA27C7935A}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4964 wrote to memory of 2432 4964 regsvr32.exe 88 PID 4964 wrote to memory of 2432 4964 regsvr32.exe 88 PID 4964 wrote to memory of 2432 4964 regsvr32.exe 88
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\def9bf85999d1f9ba0b78cb44e581f69.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\def9bf85999d1f9ba0b78cb44e581f69.dll2⤵
- Modifies registry class
PID:2432
-