3a8a7f8b1268cc6cf7bf7b97a2126cad2f3fa13516ebbf89936c2d146328f94a | Triage

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-07-2024 11:53

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General

Target

rc7/memchecka.dll
Size

164KB
MD5

ee3043c17751c763e26d03f6eebb1b8b
SHA1

91d52c619c561db7f678b43456a2bd500064bfb1
SHA256

26384c6ee7d50863e3fb65fdc1bad452d9311f34d782390401de9bb130eecc4a
SHA512

1ee1aefef0ace1d5fe4a5fac06d1e46e55c9a2180b98cbda540cdf4a15e5e6f17c99c473276524b10485be574032a66c34ce08a9c973e9a46c59249307dead41
SSDEEP

3072:PUvMMlibAYKY4rg4ODk2nCZdNcbjNXMga9j6n9aWBn:MvflibAYK/rFdwNcFI9aW

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2500	2504	WerFault.exe	30

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2480 wrote to memory of 2504	2480	rundll32.exe	30
PID 2504 wrote to memory of 2500	2504	rundll32.exe	31
PID 2504 wrote to memory of 2500	2504	rundll32.exe	31
PID 2504 wrote to memory of 2500	2504	rundll32.exe	31
PID 2504 wrote to memory of 2500	2504	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7\memchecka.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rc7\memchecka.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 228
    3⤵
    - Program crash
    PID:2500

Network

MITRE ATT&CK Matrix

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