d37479e9e55e326f19f6bbfa2bffeee389ea9109c16e3b1c23371df0bc27a584 | Triage

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 23:09

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General

Target

$TEMP/R2RFBFKG.dll
Size

91KB
MD5

62695f6fa2a85fc9993f57dfcbdc2749
SHA1

07a9b478df63fba4cf3002974b4cf56b404d0914
SHA256

1ab33027c4965b027298651781a1c780c272818da189e2c3a8101ac578069260
SHA512

69dd0de913629853400106811bffdebd8ec2037c93c9f9820d3f140e84576912de3ab57434086e20cf8698185015c27fa307e06047e2219dcf38a927a36f3c95
SSDEEP

1536:NWTHBAtr5cPLOWpTo5iw4AInivibbb+S4A39:0ThAtr5cPLOiaBRIig3

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2144	2696	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2696	2036	rundll32.exe	28
PID 2036 wrote to memory of 2696	2036	rundll32.exe	28
PID 2036 wrote to memory of 2696	2036	rundll32.exe	28
PID 2036 wrote to memory of 2696	2036	rundll32.exe	28
PID 2036 wrote to memory of 2696	2036	rundll32.exe	28
PID 2036 wrote to memory of 2696	2036	rundll32.exe	28
PID 2036 wrote to memory of 2696	2036	rundll32.exe	28
PID 2696 wrote to memory of 2144	2696	rundll32.exe	29
PID 2696 wrote to memory of 2144	2696	rundll32.exe	29
PID 2696 wrote to memory of 2144	2696	rundll32.exe	29
PID 2696 wrote to memory of 2144	2696	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2RFBFKG.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2RFBFKG.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 224
    3⤵
    - Program crash
    PID:2144

Network

MITRE ATT&CK Matrix

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