a990c3f49d68d4fa59c91948f939a644cf0fe305c5ead873073c886c4d581de2 | Triage

Analysis

max time kernel
130s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 01:37

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General

Target

RtlLib.dll
Size

361KB
MD5

dfaf646ddaebb012dfbfc9003dd43c8f
SHA1

e508dd7366349caa24d935697ba0b95a8a52d366
SHA256

75fd5c6336369cf994d81ed49ceadc09c9ee78fb31946061baed621e3504a42d
SHA512

4b25b934adb77ae3baa23eeefce54eb684573cb21e71e8f4ad89fcbb73bc0155771f72ffc7dde72ef01f3a93f3627dd53bb258b5be452b6161f4411a5394ade2
SSDEEP

6144:WWl6PziMx2kt/u0UyJ1h4h/fHKGgZJv+IpPFwa3opJ:WWlwiMxr224hqvtw2AJ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3056 2504 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3368 wrote to memory of 2504	3368	rundll32.exe	rundll32.exe
PID 3368 wrote to memory of 2504	3368	rundll32.exe	rundll32.exe
PID 3368 wrote to memory of 2504	3368	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\RtlLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3368

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\RtlLib.dll,#1
2⤵
PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 724
3⤵
- Program crash
PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2504 -ip 2504
1⤵
PID:1240

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2504-1-0x00000000014D0000-0x000000000154C000-memory.dmp

Filesize
496KB

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