56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562

Analysis

max time kernel
175s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 03:28

Target

56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562.dll
Size

576KB
MD5

573450c63953c2680db1f74879a1b670
SHA1

111d4f63c0eadc4504bdabea4f689350f0ad1799
SHA256

56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562
SHA512

a6a87da03a6a79a22cf9d6ddcdfc9d44ac69ae9613a918b0c548b9c38878840d90952e15b7316963d389b6c109f175c642567ae0e6ef6fa50a0285fdda895420
SSDEEP

12288:kZL7A5l0711g8onrOcWAqVvZf4tZbEQyL:kZL7AfYhonSZQtZwL

Score

8^/10

upx

Executes dropped EXE 1 IoCs

pid	Process
1148	rundll32mgr.exe

UPX packed file 3 IoCs

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

resource	yara_rule
behavioral2/files/0x0009000000022e66-134.dat	upx
behavioral2/files/0x0009000000022e66-135.dat	upx
behavioral2/memory/1148-137-0x0000000000400000-0x0000000000456000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1664	1148	WerFault.exe	82
1224	4696	WerFault.exe	81

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 4696	4388	rundll32.exe	81
PID 4388 wrote to memory of 4696	4388	rundll32.exe	81
PID 4388 wrote to memory of 4696	4388	rundll32.exe	81
PID 4696 wrote to memory of 1148	4696	rundll32.exe	82
PID 4696 wrote to memory of 1148	4696	rundll32.exe	82
PID 4696 wrote to memory of 1148	4696	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\56edc8144b50f7189911d473270aafb617accc52d3b090360e1cbc208f44e562.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4696
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    PID:1148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 228
      4⤵
      Program crash
      PID:1664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 620
    3⤵
    - Program crash
    PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4696 -ip 4696
1⤵
PID:3120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1148 -ip 1148
1⤵
PID:3184

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
27761550031391c56a3a59d3cb7229a5

SHA1
643e456a5fb02a820e79e33fc66e8496f15e5955

SHA256
b6b449ecd550692a3d8d5424e00885155e898d5cbbde98543a5b7b877073daab

SHA512
2aa9607f71e4cb99ab4ccabe33a5f192117b733306cd8d1f4f3054077572e522bc71e1eae679877b5554d0bc3c1281fd5bcf822a2da5da291e6630f65470d0d6

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
27761550031391c56a3a59d3cb7229a5

SHA1
643e456a5fb02a820e79e33fc66e8496f15e5955

SHA256
b6b449ecd550692a3d8d5424e00885155e898d5cbbde98543a5b7b877073daab

SHA512
2aa9607f71e4cb99ab4ccabe33a5f192117b733306cd8d1f4f3054077572e522bc71e1eae679877b5554d0bc3c1281fd5bcf822a2da5da291e6630f65470d0d6

Download Submit
memory/1148-137-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4696-136-0x0000000010000000-0x0000000010091000-memory.dmp

Filesize
580KB

Download