85dff73e54d9a0d0ccee788a3d4ef155a2a7d37ab9fb7a175723559d59b47cfa | Triage

Analysis

max time kernel
123s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2023, 10:23

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General

Target

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

pid	pid_target	Process	procid_target
1332	2688	WerFault.exe	26

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 2688	3084	rundll32.exe	26
PID 3084 wrote to memory of 2688	3084	rundll32.exe	26
PID 3084 wrote to memory of 2688	3084	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\Lib\7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\Lib\7z.dll,#1
  2⤵
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 600
    3⤵
    - Program crash
    PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2688 -ip 2688
1⤵
PID:1284

Network

MITRE ATT&CK Matrix

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