1a3fdfcb35b5811ea082bd308b0b1bf6dfdabbf527772ba1c6e69a7390e0b674 | Triage

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
24-06-2022 08:43

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General

Target

vcruntime140.dll
Size

81KB
MD5

7587bf9cb4147022cd5681b015183046
SHA1

f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256

c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA512

0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

884 1580 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1580	1092	rundll32.exe	rundll32.exe
PID 1580 wrote to memory of 884	1580	rundll32.exe	WerFault.exe
PID 1580 wrote to memory of 884	1580	rundll32.exe	WerFault.exe
PID 1580 wrote to memory of 884	1580	rundll32.exe	WerFault.exe
PID 1580 wrote to memory of 884	1580	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 224
3⤵
- Program crash
PID:884

MITRE ATT&CK Matrix

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Downloads

memory/884-56-0x0000000000000000-mapping.dmp

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memory/1580-54-0x0000000000000000-mapping.dmp

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memory/1580-55-0x00000000752A1000-0x00000000752A3000-memory.dmp

Filesize
8KB

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