b50e0228280d954dfe8fdb41bd66e063ad978df7ad5849dcf9cb47d838a17702

Analysis

max time kernel
174s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 17:44

Target

b50e0228280d954dfe8fdb41bd66e063ad978df7ad5849dcf9cb47d838a17702.dll
Size

192KB
MD5

41141f3217f8c5b0ee7253e3cbd0fca0
SHA1

335ead7590fb4318540431c8fadf50b0b3ceef74
SHA256

b50e0228280d954dfe8fdb41bd66e063ad978df7ad5849dcf9cb47d838a17702
SHA512

62d5ca452389e93674dc74fcc9b29e5c0945395fd96a7a469e17f073df24d63472e02108bb2ad72fb37b12034b1f3e4832eec5e329fc9c9e2dfdb55528ca7ed6
SSDEEP

3072:Lr4tCk6tYO/yNabBHDNTX8VdIWohToh+ohvodoEuJKHdwlBo4HErlqDzswwug4A4:vMVzf95AIIeP3CiS1u

Score

8^/10

upx

Executes dropped EXE 1 IoCs

pid	Process
1508	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/1508-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1508	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
2140	1508	WerFault.exe	83

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 4236	4632	rundll32.exe	81
PID 4632 wrote to memory of 4236	4632	rundll32.exe	81
PID 4632 wrote to memory of 4236	4632	rundll32.exe	81
PID 4236 wrote to memory of 1508	4236	rundll32.exe	83
PID 4236 wrote to memory of 1508	4236	rundll32.exe	83
PID 4236 wrote to memory of 1508	4236	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b50e0228280d954dfe8fdb41bd66e063ad978df7ad5849dcf9cb47d838a17702.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b50e0228280d954dfe8fdb41bd66e063ad978df7ad5849dcf9cb47d838a17702.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4236
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 540
      4⤵
      Program crash
      PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1508 -ip 1508
1⤵
PID:4764

C:\Users\Admin\AppData\Local\Temp\~TMBF6.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/1508-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1508-139-0x00000000006B0000-0x00000000006DA000-memory.dmp

Filesize
168KB

Download
memory/1508-140-0x0000000077730000-0x00000000778D3000-memory.dmp

Filesize
1.6MB

Download
memory/4236-137-0x0000000050590000-0x00000000505C3000-memory.dmp

Filesize
204KB

Download