2b335bea9df2f475c661ba54f36b3dc7edc44d99c344cb7be4b4a3e4ef3a62bf

Analysis

max time kernel
132s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2024, 06:34

Target

2b335bea9df2f475c661ba54f36b3dc7edc44d99c344cb7be4b4a3e4ef3a62bf.dll
Size

223KB
MD5

0766e1f5d34d0436ea6612d11e4b0829
SHA1

b044e0aa0c4ab9481ad6ef285c5871f23bd84546
SHA256

2b335bea9df2f475c661ba54f36b3dc7edc44d99c344cb7be4b4a3e4ef3a62bf
SHA512

c00c5f15bc62cf4564f5b654fa5d0aacda3a4e8ae48560d77a34c7a31c3dbd6882d0e5919fe67281ad9d146775e223d0bdc14b31ad488828899fef3db32ed4c4
SSDEEP

3072:6huf5AUWGIcvezjK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKLQl:ZBAUWGAjVagufYLIBV+UdvrEFp7hKsl

Score

7^/10

upx

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000900000002341a-3.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
3960	rundll32.exe
3960	rundll32.exe

UPX packed file 4 IoCs

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

resource	yara_rule
behavioral2/files/0x000900000002341a-3.dat	upx
behavioral2/memory/3960-6-0x00000000022C0000-0x00000000022F0000-memory.dmp	upx
behavioral2/memory/3960-7-0x00000000022C0000-0x00000000022F0000-memory.dmp	upx
behavioral2/memory/3960-10-0x00000000022C0000-0x00000000022F0000-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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3960	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 3960	2128	rundll32.exe	84
PID 2128 wrote to memory of 3960	2128	rundll32.exe	84
PID 2128 wrote to memory of 3960	2128	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b335bea9df2f475c661ba54f36b3dc7edc44d99c344cb7be4b4a3e4ef3a62bf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b335bea9df2f475c661ba54f36b3dc7edc44d99c344cb7be4b4a3e4ef3a62bf.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3960

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3960-6-0x00000000022C0000-0x00000000022F0000-memory.dmp

Filesize
192KB

Download
memory/3960-7-0x00000000022C0000-0x00000000022F0000-memory.dmp

Filesize
192KB

Download
memory/3960-10-0x00000000022C0000-0x00000000022F0000-memory.dmp

Filesize
192KB

Download