4dd80ad4fc851eead5e4be248461d76504511ae133cda221cd619dcdf6668754

Analysis

max time kernel
175s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 17:16

Target

Documento_00912014.dll
Size

300KB
MD5

0b4d2886d323bdd77fd71a8388c7611e
SHA1

4aedb19eeb153ce6933fb8cdf20d032aa282b628
SHA256

9a6dfa902242eb9b67ea40a3bbe491bd00e7eca17030c62ebe7ef998d5848c2b
SHA512

e869749ec8fb7412695e5c9b90f90c486109b1eedc3099ff5f7899be30a5fe1bdb3936f0e5b2a2ad4b1c659b348be51df3b0afb6efa308effdb18c37faf6429b
SSDEEP

6144:wfvvKKzAYf0L+6i0t+myTC7dQe0gKss4KJJzujIRryZCI4W7RUR:kvrzAYYj+myTC7UfpfzOIRGYW7RU

Score

8^/10

upx

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

41 4540 rundll32.exe

flow	pid	process
41	4540	rundll32.exe

UPX packed file 3 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/4540-133-0x0000000002090000-0x0000000002176000-memory.dmp	upx
behavioral2/memory/4540-134-0x0000000002090000-0x0000000002176000-memory.dmp	upx
behavioral2/memory/4540-135-0x0000000002090000-0x0000000002176000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4636 4540 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4636	4540	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3620 wrote to memory of 4540	3620	rundll32.exe	rundll32.exe
PID 3620 wrote to memory of 4540	3620	rundll32.exe	rundll32.exe
PID 3620 wrote to memory of 4540	3620	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Documento_00912014.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Documento_00912014.dll,#1
2⤵
- Blocklisted process makes network request
PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 836
3⤵
- Program crash
PID:4636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4540 -ip 4540
1⤵
PID:3232

memory/4540-132-0x0000000000000000-mapping.dmp

Download
memory/4540-133-0x0000000002090000-0x0000000002176000-memory.dmp

Filesize
920KB

Download
memory/4540-134-0x0000000002090000-0x0000000002176000-memory.dmp

Filesize
920KB

Download
memory/4540-135-0x0000000002090000-0x0000000002176000-memory.dmp

Filesize
920KB

Download