b75ff60aaccd7c025a5a2d27afc266bf23808cf46840a4bc868859f0902e09a8

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 15:27

Target

TwistedBrush/ISL.dll
Size

114KB
MD5

1e7b267a206d1ea887d930747d5d7062
SHA1

5402b2d248f469f1f90cb09a9e28d5107741c1e9
SHA256

c958755cbed8135e4a7e0b929098d5c6060f910e476766df6155bfae08278984
SHA512

35ba382414507ee089925ecddb592761a0eeddc9cf3c6f599c41413e5af46c1f7477bc42d86ec937c081965291e31e1c30c5aebbc3e387af8b91449cde71d982
SSDEEP

3072:0QvTM6jJ7eGg4HYKxuwLmh0yIlsN3IKNnGYgsvW:0eghGXVuXKEN3HJtgsv

Score

7^/10

upx

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral5/memory/1720-0-0x0000000010000000-0x0000000010212000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	1720	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1720	2340	rundll32.exe	28
PID 2340 wrote to memory of 1720	2340	rundll32.exe	28
PID 2340 wrote to memory of 1720	2340	rundll32.exe	28
PID 2340 wrote to memory of 1720	2340	rundll32.exe	28
PID 2340 wrote to memory of 1720	2340	rundll32.exe	28
PID 2340 wrote to memory of 1720	2340	rundll32.exe	28
PID 2340 wrote to memory of 1720	2340	rundll32.exe	28
PID 1720 wrote to memory of 2396	1720	rundll32.exe	29
PID 1720 wrote to memory of 2396	1720	rundll32.exe	29
PID 1720 wrote to memory of 2396	1720	rundll32.exe	29
PID 1720 wrote to memory of 2396	1720	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\TwistedBrush\ISL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\TwistedBrush\ISL.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 224
    3⤵
    - Program crash
    PID:2396

memory/1720-0-0x0000000010000000-0x0000000010212000-memory.dmp

Filesize
2.1MB

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