a6c11f14de0f3b87910785f97ae9618adda0d3b4a7616395d2b741c70881dc51 | Triage

Analysis

max time kernel
1478s
max time network
1511s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
21-05-2024 15:53

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General

Target

CraxsRat 7.4/res/Lib/7z.dll
Size

1.2MB
MD5

34738b1b326c7f65d365a5b33e045662
SHA1

54f86f6d3b5d96584d6d2a76023f3522e09706fe
SHA256

4d61796b499a4177b03e8e36778ec57293bebbf26412c69e19d3248602a2bb8a
SHA512

134faa16f9913d4cfdfb8efdc9cdda6ff6907016e0f46e3f72792cbc183a688fab0484f251efa562639a75582e380b099481d79d6324e5aded0a8041492414ce
SSDEEP

24576:XXm+ENgUCp+R3RuC2HhS6yR1xF2rH8W7f3z9L/SDidq2:HX7cRuC2Q6S36DJuKq

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

648 2100 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2484 wrote to memory of 2100	2484	rundll32.exe	rundll32.exe
PID 2484 wrote to memory of 2100	2484	rundll32.exe	rundll32.exe
PID 2484 wrote to memory of 2100	2484	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\CraxsRat 7.4\res\Lib\7z.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\CraxsRat 7.4\res\Lib\7z.dll",#1
2⤵
PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 216
3⤵
- Program crash
PID:648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2100 -ip 2100
1⤵
PID:1036

Network

MITRE ATT&CK Matrix

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