0416c5d3a1699a45cf6651c931dc5063a1e1a00f4c3847dd7876a9c9b90ab2fa | Triage

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 07:25

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General

Target

remcos.dll
Size

284KB
MD5

3af6027d8bc971d8d6892010cbd28687
SHA1

3ce1aa65c5e8935bcfa66ae550e410153f690b35
SHA256

0416c5d3a1699a45cf6651c931dc5063a1e1a00f4c3847dd7876a9c9b90ab2fa
SHA512

e6589fe57a6068ac2fa9ca2b8169295f854f2abdd3809a3369c306e603e78a9641706fefc9947d2125d43742c7161383860f0ca61f3f91a878e3f2ca5e848ff0
SSDEEP

6144:YQ6PpOjD5gP+GGFqCl8VabJO2NRPS1AnWlnrE/HFuilU2pnd1hPWnU0f79u2tghz:6OjDmFA8uEe42lhMMw

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

444 4388 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4804 wrote to memory of 4388	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4388	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4388	4804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\remcos.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\remcos.dll,#1
  2⤵
  PID:4388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 548
    3⤵
    - Program crash
    PID:444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4388 -ip 4388
1⤵
PID:2924

Network

MITRE ATT&CK Matrix

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