bdb8d5dde807cf7129dcd99d968e531acf41d71a0fef4796cc87bbca664e15af | Triage

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 00:56

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General

Target

ASYCFILT.dll
Size

144KB
MD5

3bc8ec7b031332e9ebb36ca93b0794af
SHA1

1919e081da7e725cc716882dee4fe6236ee06c99
SHA256

2bf624039cb7efcfd24032cf08d7c000d0d36f29fd13703151364bf4a0055e72
SHA512

7434efc8b7b60da3dc3cc3e520335e43ce6a75d315ea725e4f478688400cbdfc2695063331e45a71eefef1ec22778836f5feef6d154bea21a72332719f1a5b31
SSDEEP

3072:MczBKJP2alEH1X1Cj4wfbCcj73WiIHL5gKnZEz:rKJP2a61XcrjCcjaiSRn6

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1724	2456	rundll32.exe	28
PID 2456 wrote to memory of 1724	2456	rundll32.exe	28
PID 2456 wrote to memory of 1724	2456	rundll32.exe	28
PID 2456 wrote to memory of 1724	2456	rundll32.exe	28
PID 2456 wrote to memory of 1724	2456	rundll32.exe	28
PID 2456 wrote to memory of 1724	2456	rundll32.exe	28
PID 2456 wrote to memory of 1724	2456	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ASYCFILT.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ASYCFILT.dll,#1
  2⤵
  PID:1724

Network

MITRE ATT&CK Matrix

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Downloads

memory/1724-0-0x0000000000200000-0x0000000000226000-memory.dmp

Filesize
152KB

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