Analysis
-
max time kernel
131s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 21:41
Behavioral task
behavioral1
Sample
42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll
Resource
win10v2004-20240508-en
General
-
Target
42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll
-
Size
76KB
-
MD5
2a86b12e50fc0796e5c8a14e2a67bce0
-
SHA1
d13dbdbc4cd1e27f136525755237db0b71defb68
-
SHA256
42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740
-
SHA512
69b12249c4fc65bfbfc465b12ba3b9722d67c2e059bee9d9b349fa12fc170c681b3d8bb2699ac732c7cd2a408a54bbc7a068842c9a8961ff47d2a33ad137e44f
-
SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z+T5c:c8y93KQjy7G55riF1cMo038a
Malware Config
Signatures
-
Modifies AppInit DLL entries 2 TTPs
-
Processes:
resource yara_rule behavioral2/memory/3572-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3572-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 440 3572 WerFault.exe rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 3572 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2920 wrote to memory of 3572 2920 rundll32.exe rundll32.exe PID 2920 wrote to memory of 3572 2920 rundll32.exe rundll32.exe PID 2920 wrote to memory of 3572 2920 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\42b3476ac872b08cc5751369855cac80e2006f9062ef8dfbab4390f9312a2740.dll,#12⤵
- Suspicious use of AdjustPrivilegeToken
PID:3572 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 7003⤵
- Program crash
PID:440
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3572 -ip 35721⤵PID:3396