3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2

Analysis

max time kernel
111s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 15:01

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General

Target

3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll
Size

336KB
MD5

1dbecf74295bf974e750d8085d7d381c
SHA1

b961d46f8e62781fc11a9f871796f08e67d140d6
SHA256

3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2
SHA512

a82fa544bcabf12b3d8ff4ba3c2588cbf7b178505f6c35e869556c6a2ca3beb80b13954e45b0ba631c1b1f682c7007f7c1ad45dc26818f925d854a60f99cbbf1
SSDEEP

6144:NoqXbMFUi5M0duytjciVEM9zzYxbaSvDIxhcMjzRGjwPXWS2:bLUUotjciVEMwbaSbNSI0PXWj

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2 = "rundll32.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll,#1"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1452	4172	WerFault.exe	80

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 4172	3548	rundll32.exe	80
PID 3548 wrote to memory of 4172	3548	rundll32.exe	80
PID 3548 wrote to memory of 4172	3548	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c03fd736d8b546f09ce9a7a3b111b9c9a83cbd3508551761cd82bd09dd7cae2.dll,#1
  2⤵
  - Adds Run key to start application
  PID:4172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 720
    3⤵
    - Program crash
    PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4172 -ip 4172
1⤵
PID:4876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4172-132-0x0000000000000000-mapping.dmp

Download
memory/4172-133-0x0000000001580000-0x00000000015D8000-memory.dmp

Filesize
352KB

Download
memory/4172-137-0x0000000001530000-0x0000000001564000-memory.dmp

Filesize
208KB

Download