4aadbd2048297cfb049b3fe03a5f003f59c4c835b6b7fb66f5d53d1375e412d7

Analysis

max time kernel
101s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 19:34

Target

4aadbd2048297cfb049b3fe03a5f003f59c4c835b6b7fb66f5d53d1375e412d7.dll
Size

190KB
MD5

09a8b479eb168627d97b800213a9cab0
SHA1

0c99b47f14a8c69a3d185a45fda3262bc49615b3
SHA256

4aadbd2048297cfb049b3fe03a5f003f59c4c835b6b7fb66f5d53d1375e412d7
SHA512

993d0637084455f3fe8657922ffda16709a507897f1e4da02bf9314ba50f3ecc21a3744d4ea7856ef003203ddde5924fc8c6ce859483d15d64e651ca1b769957
SSDEEP

3072:Xr4tCk6t1O/iaPPLyNQtc75FAHFAj0+MChia+Pp1MyAy2LhHPNV8gZ/6DDpDy9xv:bMWPN3/aO9VAcRBYzns8KFq43

Score

8^/10

upx

Executes dropped EXE 1 IoCs

pid	Process
4836	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/4836-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4836	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
344	4836	WerFault.exe	84

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1032	1880	rundll32.exe	83
PID 1880 wrote to memory of 1032	1880	rundll32.exe	83
PID 1880 wrote to memory of 1032	1880	rundll32.exe	83
PID 1032 wrote to memory of 4836	1032	rundll32.exe	84
PID 1032 wrote to memory of 4836	1032	rundll32.exe	84
PID 1032 wrote to memory of 4836	1032	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4aadbd2048297cfb049b3fe03a5f003f59c4c835b6b7fb66f5d53d1375e412d7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4aadbd2048297cfb049b3fe03a5f003f59c4c835b6b7fb66f5d53d1375e412d7.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 476
      4⤵
      Program crash
      PID:344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4836 -ip 4836
1⤵
PID:1868

C:\Users\Admin\AppData\Local\Temp\~TM3364.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/1032-133-0x0000000050590000-0x00000000505C3000-memory.dmp

Filesize
204KB

Download
memory/4836-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4836-139-0x00000000021A0000-0x00000000021CA000-memory.dmp

Filesize
168KB

Download
memory/4836-140-0x0000000077160000-0x0000000077303000-memory.dmp

Filesize
1.6MB

Download