834d0ebc8d520fc0821fdd67fb73bdd648f1e34e248d0509a8c63e704ec9da0b

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 14:34

Target

834d0ebc8d520fc0821fdd67fb73bdd648f1e34e248d0509a8c63e704ec9da0b.dll
Size

112KB
MD5

caef91f1ad9e469ed21cc34eff073605
SHA1

4ffee73ebbcd31fa298b554486a54f8f639cd6fa
SHA256

834d0ebc8d520fc0821fdd67fb73bdd648f1e34e248d0509a8c63e704ec9da0b
SHA512

c49f6bfeaaf39430993e27278d36b786294627c3559eef31b0dcabb865b7b50cf7fbd4a4ecf62255a7b4cfae2ab4e51b4e6563108bacf99ea82308e3bb916503
SSDEEP

3072:rCEX5vAX/C4PozyoKykVA4c6f61BWWJcbLggB:rt5AX6aoM5q4c62WxAw

Score

6^/10

persistence

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mwuno = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\834d0ebc8d520fc0821fdd67fb73bdd648f1e34e248d0509a8c63e704ec9da0b.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1524	rundll32.exe
1112	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1524	1456	rundll32.exe	26
PID 1456 wrote to memory of 1524	1456	rundll32.exe	26
PID 1456 wrote to memory of 1524	1456	rundll32.exe	26
PID 1456 wrote to memory of 1524	1456	rundll32.exe	26
PID 1456 wrote to memory of 1524	1456	rundll32.exe	26
PID 1456 wrote to memory of 1524	1456	rundll32.exe	26
PID 1456 wrote to memory of 1524	1456	rundll32.exe	26
PID 1524 wrote to memory of 1112	1524	rundll32.exe	27
PID 1524 wrote to memory of 1112	1524	rundll32.exe	27
PID 1524 wrote to memory of 1112	1524	rundll32.exe	27
PID 1524 wrote to memory of 1112	1524	rundll32.exe	27
PID 1524 wrote to memory of 1112	1524	rundll32.exe	27
PID 1524 wrote to memory of 1112	1524	rundll32.exe	27
PID 1524 wrote to memory of 1112	1524	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\834d0ebc8d520fc0821fdd67fb73bdd648f1e34e248d0509a8c63e704ec9da0b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\834d0ebc8d520fc0821fdd67fb73bdd648f1e34e248d0509a8c63e704ec9da0b.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\834d0ebc8d520fc0821fdd67fb73bdd648f1e34e248d0509a8c63e704ec9da0b.dll",iep
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1112

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1112-62-0x00000000001F1000-0x00000000001FE000-memory.dmp

Filesize
52KB

Download
memory/1524-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1524-56-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1524-57-0x0000000000150000-0x0000000000190000-memory.dmp

Filesize
256KB

Download
memory/1524-58-0x0000000000150000-0x0000000000190000-memory.dmp

Filesize
256KB

Download