ef7a11231d4f3750d2e3d6ec36b3d6ec005f0bb58d5ceb4d17b174dcec568d51

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 22:24

Target

ef7a11231d4f3750d2e3d6ec36b3d6ec005f0bb58d5ceb4d17b174dcec568d51.dll
Size

223KB
MD5

a09aa22308388a0a6043e05820be62d0
SHA1

97f09952492e1a1f876bbfffc803390da428f27b
SHA256

ef7a11231d4f3750d2e3d6ec36b3d6ec005f0bb58d5ceb4d17b174dcec568d51
SHA512

a250b3344d0da1e7d2e98587dc69865be672d3368ee710ed7f84a0071970f707ce98e1f03fdb31d32f37175517013c5095564ce9bede4259484bf8ceffc49b50
SSDEEP

3072:6hu7MWGIcv4JvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKL+3:Z7MWGQVagufYLIBV+UdvrEFp7hKy

Score

7^/10

upx

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000022f51-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
5032	rundll32.exe
5032	rundll32.exe

UPX packed file 4 IoCs

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

resource	yara_rule
behavioral2/files/0x0008000000022f51-1.dat	upx
behavioral2/memory/5032-7-0x0000000000C40000-0x0000000000C70000-memory.dmp	upx
behavioral2/memory/5032-6-0x0000000000C40000-0x0000000000C70000-memory.dmp	upx
behavioral2/memory/5032-11-0x0000000000C40000-0x0000000000C70000-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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	5032	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 5032	1180	rundll32.exe	82
PID 1180 wrote to memory of 5032	1180	rundll32.exe	82
PID 1180 wrote to memory of 5032	1180	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef7a11231d4f3750d2e3d6ec36b3d6ec005f0bb58d5ceb4d17b174dcec568d51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef7a11231d4f3750d2e3d6ec36b3d6ec005f0bb58d5ceb4d17b174dcec568d51.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:5032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 712
    3⤵
    - Program crash
    PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5032 -ip 5032
1⤵
PID:1760

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/5032-7-0x0000000000C40000-0x0000000000C70000-memory.dmp

Filesize
192KB

Download
memory/5032-6-0x0000000000C40000-0x0000000000C70000-memory.dmp

Filesize
192KB

Download
memory/5032-9-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/5032-11-0x0000000000C40000-0x0000000000C70000-memory.dmp

Filesize
192KB

Download