a81dd64e5153edf89c0fb3ea9a26d0bcceb0e9d8bfa745e49ad69643ee06894f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 01:31

Target

a81dd64e5153edf89c0fb3ea9a26d0bcceb0e9d8bfa745e49ad69643ee06894f.dll
Size

372KB
MD5

4af0551c62c23931c9a01e62d8cbdfa2
SHA1

f5b0951ccf67c0961bf70fc77fcb6a8641ec9690
SHA256

a81dd64e5153edf89c0fb3ea9a26d0bcceb0e9d8bfa745e49ad69643ee06894f
SHA512

adcda9a16698969beae043ba0df27a90cbfe7464c3ae30f51e1102e857baaa1ce0d89fb8ed0bebcdf52d3796c58438006a36032e399fc0c42e432fa23bb8da58
SSDEEP

6144:nKTdsHvaT0OEKbTYJEnCBc8UiyDcdUWroICoGjaWgBV+UdvrEFp7hKrp:nKqPaTCJJQVvDcSW0VEBjvrEH7Qp

Score

9^/10

upx

UPX dump on OEP (original entry point) 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2000-3-0x00000000001E0000-0x0000000000210000-memory.dmp	UPX
behavioral1/memory/2000-5-0x00000000001E0000-0x0000000000210000-memory.dmp	UPX
\Program Files\Common Files\System\symsrv.dll	UPX

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

2000 rundll32.exe

pid	process
2000	rundll32.exe

UPX packed file 3 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2000-3-0x00000000001E0000-0x0000000000210000-memory.dmp	upx
behavioral1/memory/2000-5-0x00000000001E0000-0x0000000000210000-memory.dmp	upx
\Program Files\Common Files\System\symsrv.dll	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

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2912 wrote to memory of 2000	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2000	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2000	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2000	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2000	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2000	2912	rundll32.exe	rundll32.exe
PID 2912 wrote to memory of 2000	2912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a81dd64e5153edf89c0fb3ea9a26d0bcceb0e9d8bfa745e49ad69643ee06894f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2912

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2000-3-0x00000000001E0000-0x0000000000210000-memory.dmp

Filesize
192KB

Download
memory/2000-5-0x00000000001E0000-0x0000000000210000-memory.dmp

Filesize
192KB

Download