53516f0cb95a26e41a679b428ced9723970c41f1ffbef86a64d7ec0292c7c08c | Triage

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 16:54

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General

Target

$PLUGINSDIR/serlib.dll
Size

16KB
MD5

febff2c363c7f7664687eefe8253087e
SHA1

0b2c3e9a6ae860d1eb82f725a2d1a8037d68a893
SHA256

5c0d2c23203946c59306233a96da7db2911aa22bfd87c41abc12b4eee87c10ef
SHA512

06ba120ea474e00092faad360e68c734cdbbf54c52cb819d49f4f065c61d3f95a84171b62c4988058b636df885b32b293a5174e723e50b0415623a9ed9172268
SSDEEP

384:B0FdvbyMQpBiyWUsi1Z+EKTlMvD0Ac9khYLMkIX0+GsyvV6:q1bL2iyWUp+EKxiuV6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3036 2056 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1648 wrote to memory of 2056	1648	rundll32.exe	rundll32.exe
PID 1648 wrote to memory of 2056	1648	rundll32.exe	rundll32.exe
PID 1648 wrote to memory of 2056	1648	rundll32.exe	rundll32.exe
PID 1648 wrote to memory of 2056	1648	rundll32.exe	rundll32.exe
PID 1648 wrote to memory of 2056	1648	rundll32.exe	rundll32.exe
PID 1648 wrote to memory of 2056	1648	rundll32.exe	rundll32.exe
PID 1648 wrote to memory of 2056	1648	rundll32.exe	rundll32.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	WerFault.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	WerFault.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	WerFault.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\serlib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\serlib.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 304
3⤵
- Program crash
PID:3036

MITRE ATT&CK Matrix

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