f7becf3fa06006d4f12f7c6b04cdded8ceed0d97cca3b76157d157d3f6257b34

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 04:44

Target

f7becf3fa06006d4f12f7c6b04cdded8ceed0d97cca3b76157d157d3f6257b34.dll
Size

424KB
MD5

4af4f3666ccdefddc9ccf9ba7a7a549c
SHA1

1a97245dd601ea82bed3c5475565d9678beef772
SHA256

f7becf3fa06006d4f12f7c6b04cdded8ceed0d97cca3b76157d157d3f6257b34
SHA512

dfac6088677e15b732aea519d8db518aa1a2d052e24e1da4fda9890b55f6788358c360dc3a759814efa3ad6b8fe62a90807f15685e81a0af70f6c245ad46c5ca
SSDEEP

12288:CAxQYR/OYEFH37Qghy6nKJoDBQ/DwBjvrEH7Tf:tP2h6oDCerEH7Tf

Score

7^/10

ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.

Processes:

resource yara_rule

\Program Files\Common Files\System\symsrv.dll acprotect
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2192 rundll32.exe

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	acprotect

pid	process
2192	rundll32.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	upx
behavioral1/memory/2192-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2192-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Program Files\Common Files\System\symsrv.dll rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2444 2192 WerFault.exe rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2192 rundll32.exe

description	ioc	process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

pid	pid_target	process	target process
2444	2192	WerFault.exe	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2192	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2196 wrote to memory of 2192	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2192	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2192	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2192	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2192	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2192	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2192	2196	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 2444	2192	rundll32.exe	WerFault.exe
PID 2192 wrote to memory of 2444	2192	rundll32.exe	WerFault.exe
PID 2192 wrote to memory of 2444	2192	rundll32.exe	WerFault.exe
PID 2192 wrote to memory of 2444	2192	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7becf3fa06006d4f12f7c6b04cdded8ceed0d97cca3b76157d157d3f6257b34.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 276
3⤵
- Program crash
PID:2444

\Program Files\Common Files\System\symsrv.dll
Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2192-1-0x0000000074C90000-0x0000000074C91000-memory.dmp

Filesize
4KB

Download
memory/2192-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2192-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2192-6-0x0000000074C70000-0x0000000074CC7000-memory.dmp

Filesize
348KB

Download
memory/2192-10-0x0000000074C90000-0x0000000074C91000-memory.dmp

Filesize
4KB

Download