6caa6a31be0b96dd091fb60ffd789a9eff91c085ab7fbaf8565548b46a80671e

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
26-08-2023 17:59

Target

6caa6a31be0b96dd091fb60ffd789a9eff91c085ab7fbaf8565548b46a80671e.dll
Size

265KB
MD5

efbeed62758a3a161acc739024f6e822
SHA1

1e0340205d2117406c191f2de89a904fe200a97f
SHA256

6caa6a31be0b96dd091fb60ffd789a9eff91c085ab7fbaf8565548b46a80671e
SHA512

64ed05c60e5fd171b20e79967d21b20cfd293191fd2bbc9e58c0451d8bf16361e7fc29de502107d7b653990b7d6bf6b62c66d2a3193e3c3628f294ba8fcec15f
SSDEEP

6144:UJWoNRyZdb68qg21+Ha4WTVruUVWhEvV6BV+UdvrEFp7hKv:UJWoTy68q/1+HGVaNEvV6BjvrEH7s

Score

7^/10

upx

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000012028-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2500	rundll32.exe

UPX packed file 3 IoCs

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

resource	yara_rule
behavioral1/files/0x0008000000012028-1.dat	upx
behavioral1/memory/2500-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2500-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2500	844	rundll32.exe	28
PID 844 wrote to memory of 2500	844	rundll32.exe	28
PID 844 wrote to memory of 2500	844	rundll32.exe	28
PID 844 wrote to memory of 2500	844	rundll32.exe	28
PID 844 wrote to memory of 2500	844	rundll32.exe	28
PID 844 wrote to memory of 2500	844	rundll32.exe	28
PID 844 wrote to memory of 2500	844	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6caa6a31be0b96dd091fb60ffd789a9eff91c085ab7fbaf8565548b46a80671e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6caa6a31be0b96dd091fb60ffd789a9eff91c085ab7fbaf8565548b46a80671e.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  PID:2500

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2500-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2500-4-0x0000000075210000-0x000000007523F000-memory.dmp

Filesize
188KB

Download
memory/2500-6-0x0000000075210000-0x000000007523F000-memory.dmp

Filesize
188KB

Download
memory/2500-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download