72254c284947ee9ea74acd905d5931c2575ddb116a33d0fdc2afbbbdd5d70ba6

Analysis

max time kernel
105s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 12:12

Target

72254c284947ee9ea74acd905d5931c2575ddb116a33d0fdc2afbbbdd5d70ba6.dll
Size

188KB
MD5

4033105ad080f6d283b1c51c43fdc6c0
SHA1

ee338896c10e128f1b38ffdd47bba3f13810a837
SHA256

72254c284947ee9ea74acd905d5931c2575ddb116a33d0fdc2afbbbdd5d70ba6
SHA512

1b14c6376c70a0568072a2aabccc45e46a47b5fbffce569197a4a599e1d297ac2950850d0196d02813b6f3ffcd67932275be932a95534a1cb1802ef0b0f83a11
SSDEEP

3072:4r4tCk6tWO/pa7vF66T7o16aObor4GYeuo/KyybNt6HluycxMvbM42:SMlIM7oMaH45JyybqHlufivbM42

Score

8^/10

upx

Executes dropped EXE 1 IoCs

pid	Process
5068	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/5068-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
5068	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
856	5068	WerFault.exe	83

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 2024	4868	rundll32.exe	82
PID 4868 wrote to memory of 2024	4868	rundll32.exe	82
PID 4868 wrote to memory of 2024	4868	rundll32.exe	82
PID 2024 wrote to memory of 5068	2024	rundll32.exe	83
PID 2024 wrote to memory of 5068	2024	rundll32.exe	83
PID 2024 wrote to memory of 5068	2024	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72254c284947ee9ea74acd905d5931c2575ddb116a33d0fdc2afbbbdd5d70ba6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72254c284947ee9ea74acd905d5931c2575ddb116a33d0fdc2afbbbdd5d70ba6.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:5068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 488
      4⤵
      Program crash
      PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5068 -ip 5068
1⤵
PID:5064

C:\Users\Admin\AppData\Local\Temp\~TM932C.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

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

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
memory/2024-137-0x0000000050590000-0x00000000505C2000-memory.dmp

Filesize
200KB

Download
memory/5068-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5068-139-0x0000000002180000-0x00000000021AA000-memory.dmp

Filesize
168KB

Download
memory/5068-140-0x00000000773F0000-0x0000000077593000-memory.dmp

Filesize
1.6MB

Download