df5b4f8f0a459bb640a2a42028d9c9afd048d136ae98583d4040b01b07260167 | Triage

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:41

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General

Target

$PLUGINSDIR/EstUrl.dll
Size

181KB
MD5

2c5e13287d27b526c01aace7ea92be9e
SHA1

3b7895f3e3f9dfa9797d2cf04ad7d3d5548210e6
SHA256

986ea6d67ded7e67cefe739902194751643982293154ba496d4b5076e0df38e4
SHA512

51702649d7ccdfd90a1b7d06699d0791ed60fa2419013deda826cfbfac57231fb06000d1e8a3bf866459ad8597393cdf95e559f575dc51c236c3205c69bc36b6
SSDEEP

3072:p6ZhyGy8Xpc/PalncLix4janKxZSvQiPPWS:oMGDlnb4eE+j

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1648 1144 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2184 wrote to memory of 1144	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 1144	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 1144	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 1144	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 1144	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 1144	2184	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 1144	2184	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1648	1144	rundll32.exe	WerFault.exe
PID 1144 wrote to memory of 1648	1144	rundll32.exe	WerFault.exe
PID 1144 wrote to memory of 1648	1144	rundll32.exe	WerFault.exe
PID 1144 wrote to memory of 1648	1144	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EstUrl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EstUrl.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 228
3⤵
- Program crash
PID:1648

MITRE ATT&CK Matrix

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