64f0803dc343b57b1f9114f1bfb9eeacf9d76b193620621561a280827b0b6326 | Triage

Analysis

max time kernel
93s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10-07-2024 19:05

Sharing

Report Analysis Logs

General

Target

402323332/Files/isbunzip.dll
Size

32KB
MD5

b4786eb1e1a93633ad1b4c112514c893
SHA1

734750b771d0809c88508e4feb788d7701e6dada
SHA256

2ae4169f721beb389a661e6dbb18bc84ef38556af1f46807da9d87aec2a6f06f
SHA512

0882d2aa163ece22796f837111db0d55158098035005e57cd2e9b8d59dc2e582207840bf98bee534b81c368acf60ab5d8ecbe762209273bda067a215cdb2c0c6
SSDEEP

384:jT0DmlTZXYYCJWJqzg9kT8gbtNYvRPtAsLiA:jT0DmltXYYCJukT8gPoN23A

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	4008	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 4008	2500	rundll32.exe	84
PID 2500 wrote to memory of 4008	2500	rundll32.exe	84
PID 2500 wrote to memory of 4008	2500	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\402323332\Files\isbunzip.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\402323332\Files\isbunzip.dll,#1
  2⤵
  PID:4008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 600
    3⤵
    - Program crash
    PID:2384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4008 -ip 4008
1⤵
PID:4048

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads