1b303e91c83350df4a19adb18f3e7ea363df624ced2b78ed83edca4e32dd4815

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 20:55

Target

1b303e91c83350df4a19adb18f3e7ea363df624ced2b78ed83edca4e32dd4815.dll
Size

223KB
MD5

e99dbe658c43d22074ae5d3a0f83851c
SHA1

b084b400c98b97c573f7c3a736a54d26c67d359e
SHA256

1b303e91c83350df4a19adb18f3e7ea363df624ced2b78ed83edca4e32dd4815
SHA512

8cb520177c9c616daf43b6c110104d928daf039326109fadf6fa75d9825c77342881be29986ffeb6a1e7c8682a8b210f4dd890d4d25dbbe253dbfe512e8a1540
SSDEEP

3072:6huf5Acecv3JvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKxd5AxvFj:ZBAcjVagufYLIBV+UdvrEFp7hKbexvN

Score

7^/10

upx

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000d0000000122d1-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1312	rundll32.exe

UPX packed file 3 IoCs

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

resource	yara_rule
behavioral1/files/0x000d0000000122d1-1.dat	upx
behavioral1/memory/1312-3-0x0000000000160000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/1312-6-0x0000000000160000-0x0000000000190000-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
1756	1312	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 1312 wrote to memory of 1756	1312	rundll32.exe	29
PID 1312 wrote to memory of 1756	1312	rundll32.exe	29
PID 1312 wrote to memory of 1756	1312	rundll32.exe	29
PID 1312 wrote to memory of 1756	1312	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b303e91c83350df4a19adb18f3e7ea363df624ced2b78ed83edca4e32dd4815.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b303e91c83350df4a19adb18f3e7ea363df624ced2b78ed83edca4e32dd4815.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 316
    3⤵
    - Program crash
    PID:1756

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1312-3-0x0000000000160000-0x0000000000190000-memory.dmp

Filesize
192KB

Download
memory/1312-5-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/1312-6-0x0000000000160000-0x0000000000190000-memory.dmp

Filesize
192KB

Download