720bbcff523f7cbe82e6d0f6e8fefaf9e15ae644c2f6641d2648d4d4caf78221

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 10:56

Target

f4cdf1751ba881d6d716d8ff6d0c3d141c21e147a743e82fbcdcf22e0fc3c6e0.dll
Size

1.4MB
MD5

b1dfb23d340fee14fc384f672e7a5fe1
SHA1

94dae23e10d47c6da3eb28e88de8f66cb49efbef
SHA256

720bbcff523f7cbe82e6d0f6e8fefaf9e15ae644c2f6641d2648d4d4caf78221
SHA512

9496bbb038c1140993b899d219db73a10320798caeb92b215f2536e460dfd6898c25a08061925deaa6a63ab5fd4497cb8a61a97b9eb4006ec6108ae36bc87bf4
SSDEEP

24576:dXBSeywe+Zif2FfWl8KuqGavkg3NyNIbbbIoIBAUZLY6:dtZ6+s8KuqGaX0ToIBAUZLY6

Score

7^/10

upx

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral1/memory/2128-0-0x0000000010000000-0x0000000010037000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	2128	WerFault.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 2128	952	rundll32.exe	28
PID 952 wrote to memory of 2128	952	rundll32.exe	28
PID 952 wrote to memory of 2128	952	rundll32.exe	28
PID 952 wrote to memory of 2128	952	rundll32.exe	28
PID 952 wrote to memory of 2128	952	rundll32.exe	28
PID 952 wrote to memory of 2128	952	rundll32.exe	28
PID 952 wrote to memory of 2128	952	rundll32.exe	28
PID 2128 wrote to memory of 2960	2128	rundll32.exe	29
PID 2128 wrote to memory of 2960	2128	rundll32.exe	29
PID 2128 wrote to memory of 2960	2128	rundll32.exe	29
PID 2128 wrote to memory of 2960	2128	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4cdf1751ba881d6d716d8ff6d0c3d141c21e147a743e82fbcdcf22e0fc3c6e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4cdf1751ba881d6d716d8ff6d0c3d141c21e147a743e82fbcdcf22e0fc3c6e0.dll,#1
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 248
    3⤵
    - Program crash
    PID:2960

memory/2128-0-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download