f88489df9aa7618e753a29c1938902524b1ed96393924a0197465c05273e6d56 | Triage

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 11:44

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General

Target

AK/Json.dll
Size

29KB
MD5

74396cbb8bdb04bf64452ea97cbe6b7d
SHA1

cc56da9c07b14f8630729e2cfabeafe5a081eb16
SHA256

45de114a5c1f26a37ba8bf8048506a61bba23bc3a58370c0ed9d149334fc8c83
SHA512

c9451a331f937d4cd33ec7875ee2ac856fea03f1f5130dd40a2d8627722fe16c390ef21e8ac738fbc09f48396ce77c0b244bfde7d1cf49727fe604f4e0c39132
SSDEEP

384:vcugG3gaSF/X9zGTAHqH9KSIGrNEABeSbgQ8AnT1ocA5wlVXgIbuW8c1jq1q6Fbn:vhmte4mrPmADhr4AC7FbCY

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	3004	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 3004	2928	rundll32.exe	28
PID 2928 wrote to memory of 3004	2928	rundll32.exe	28
PID 2928 wrote to memory of 3004	2928	rundll32.exe	28
PID 2928 wrote to memory of 3004	2928	rundll32.exe	28
PID 2928 wrote to memory of 3004	2928	rundll32.exe	28
PID 2928 wrote to memory of 3004	2928	rundll32.exe	28
PID 2928 wrote to memory of 3004	2928	rundll32.exe	28
PID 3004 wrote to memory of 2404	3004	rundll32.exe	29
PID 3004 wrote to memory of 2404	3004	rundll32.exe	29
PID 3004 wrote to memory of 2404	3004	rundll32.exe	29
PID 3004 wrote to memory of 2404	3004	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AK\Json.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AK\Json.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 228
    3⤵
    - Program crash
    PID:2404

Network

MITRE ATT&CK Matrix

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