3832f4f92df5561cfbf5f4afc7b87b9e7a4d9d5109f78563d8b8f14558201fc9

Analysis

max time kernel
121s
max time network
130s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
03/11/2023, 13:09

Target

NEAS.9ff58a94a4d9e5f7b5aaddac2c17e040.dll
Size

183KB
MD5

9ff58a94a4d9e5f7b5aaddac2c17e040
SHA1

5f16604691f1a0a5a00ea56a763b58a89589574e
SHA256

3832f4f92df5561cfbf5f4afc7b87b9e7a4d9d5109f78563d8b8f14558201fc9
SHA512

cf3bb34e4a5f812e1ff958f679720b599265c6dade7e6754021d83e7436f1d91e12f048c62f0e9c30ab8755b8925b005902a6b89cf7facae05162560286180e2
SSDEEP

3072:dl8YGPrLGco6729S5JlACkqk2lQBV+UdE+rECWp7hKVwXZ:n8vrLGzeVklBV+UdvrEFp7hKE

Score

7^/10

upx

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000012024-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1988	rundll32.exe

UPX packed file 3 IoCs

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

resource	yara_rule
behavioral1/files/0x0009000000012024-1.dat	upx
behavioral1/memory/1988-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1988-4-0x0000000010000000-0x0000000010030000-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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1988	1764	rundll32.exe	28
PID 1764 wrote to memory of 1988	1764	rundll32.exe	28
PID 1764 wrote to memory of 1988	1764	rundll32.exe	28
PID 1764 wrote to memory of 1988	1764	rundll32.exe	28
PID 1764 wrote to memory of 1988	1764	rundll32.exe	28
PID 1764 wrote to memory of 1988	1764	rundll32.exe	28
PID 1764 wrote to memory of 1988	1764	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.9ff58a94a4d9e5f7b5aaddac2c17e040.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.9ff58a94a4d9e5f7b5aaddac2c17e040.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1988

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1988-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1988-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download