obj3ctivity | 3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b

General

Target

3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
Size

895KB
MD5

2ae0772ccbb6ba5fdbd9c2e8369d0f02
SHA1

16ecc3070e5a4347d8bee0d5fed8f99c57769efc
SHA256

3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b
SHA512

ff12e0c7dbbc25ccfbbd3a4f2d0665d2ed826b0ac8695307c523f9e748b29031dafa38c1fae64b3f847b81c27a40a5ab94d7c663cc741d9047094b8ea02c95c6
SSDEEP

24576:2Bf3DbcnrLRjnFVBSU8IjCBuYouaWiKe6MC8EimkXctAzBktNVwqk8zGZsHgPuPK:PfhXG

Score

10^/10

obj3ctivity collection discovery persistence privilege_escalation spyware stealer

Malware Config

Signatures

Detects Obj3ctivity Stage1 1 IoCs

Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

stealer

resource	yara_rule
behavioral2/memory/4816-1-0x0000000000860000-0x0000000000946000-memory.dmp	family_obj3ctivity

Obj3ctivity family
obj3ctivity
Obj3ctivity, PXRECVOWEIWOEI
Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.
stealer obj3ctivity
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.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
15	icanhazip.com
32	ip-api.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	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
2748	cmd.exe
3064	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	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4816	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
4816	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
4816	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
Token: SeSecurityPrivilege	4028	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 2748	4816	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe	83
PID 4816 wrote to memory of 2748	4816	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe	83
PID 2748 wrote to memory of 4792	2748	cmd.exe	86
PID 2748 wrote to memory of 4792	2748	cmd.exe	86
PID 2748 wrote to memory of 3064	2748	cmd.exe	87
PID 2748 wrote to memory of 3064	2748	cmd.exe	87
PID 2748 wrote to memory of 3436	2748	cmd.exe	88
PID 2748 wrote to memory of 3436	2748	cmd.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe

C:\Users\Admin\AppData\Local\Temp\3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe
"C:\Users\Admin\AppData\Local\Temp\3af1eea1320c617f8607630704e19422a743eac1b6fb5e941ccb3e88f320610b.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4816
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - System Network Configuration Discovery: Wi-Fi Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4792
- - C:\Windows\system32\netsh.exe
    netsh wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:3064
- - C:\Windows\system32\findstr.exe
    findstr All
    3⤵
    PID:3436

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4816-0-0x00007FF9024F3000-0x00007FF9024F5000-memory.dmp

Filesize
8KB

Download
memory/4816-1-0x0000000000860000-0x0000000000946000-memory.dmp

Filesize
920KB

Download
memory/4816-2-0x00007FF9024F0000-0x00007FF902FB1000-memory.dmp

Filesize
10.8MB

Download
memory/4816-3-0x00000000012F0000-0x0000000001302000-memory.dmp

Filesize
72KB

Download
memory/4816-4-0x000000001C040000-0x000000001C202000-memory.dmp

Filesize
1.8MB

Download
memory/4816-34-0x000000001DD50000-0x000000001DDC6000-memory.dmp

Filesize
472KB

Download
memory/4816-56-0x00007FF9024F3000-0x00007FF9024F5000-memory.dmp

Filesize
8KB

Download
memory/4816-57-0x00007FF9024F0000-0x00007FF902FB1000-memory.dmp

Filesize
10.8MB

Download
memory/4816-58-0x000000001E300000-0x000000001E828000-memory.dmp

Filesize
5.2MB

Download
memory/4816-60-0x00007FF9024F0000-0x00007FF902FB1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads