84d8b4bfce5db860645a70278bc4a49bf5e6bcb35d9d0e7bea74e873c9c33e2e

Analysis

max time kernel
150s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 07:33

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General

Target

84d8b4bfce5db860645a70278bc4a49bf5e6bcb35d9d0e7bea74e873c9c33e2e.dll
Size

1.9MB
MD5

d25883bfad9f43005d89ae19790ca987
SHA1

d721bfbbc4396813d87e7f61f5cfcc203595c1a7
SHA256

84d8b4bfce5db860645a70278bc4a49bf5e6bcb35d9d0e7bea74e873c9c33e2e
SHA512

525ae2abc1859791e01452a5753ccd36c1929de1e3c2574bcb9abdf46204ce1c6524c803bb986c17dce1e9a62b141f7e77d5c2b2dd9811c88f6e32dcb9e0a348
SSDEEP

6144:aaBEpPnIVKd48VABFpiW5ae66WG0FX4K2uQ4YzCx+By7:alpPnIES8VAcW5aer0Fol3WT

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TMP provider = "rundll32 C:\\Users\\Admin\\AppData\\Local\\Temp\\TMPprovider01C.dll, RunDllEntry"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

4548 rundll32.exe
4548 rundll32.exe

pid	process
4548	rundll32.exe
4548	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4884 wrote to memory of 4548	4884	rundll32.exe	rundll32.exe
PID 4884 wrote to memory of 4548	4884	rundll32.exe	rundll32.exe
PID 4884 wrote to memory of 4548	4884	rundll32.exe	rundll32.exe
PID 4548 wrote to memory of 3060	4548	rundll32.exe	Explorer.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\84d8b4bfce5db860645a70278bc4a49bf5e6bcb35d9d0e7bea74e873c9c33e2e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4884

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\84d8b4bfce5db860645a70278bc4a49bf5e6bcb35d9d0e7bea74e873c9c33e2e.dll,#1
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4548

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3060

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4548-132-0x0000000000000000-mapping.dmp

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