obj3ctivity | a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d

General

Target

a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
Size

897KB
MD5

ad6fe420229c7620517e19e643571c17
SHA1

eed9cb9ce763afcd5d96073a5d7b5748c1c4f28e
SHA256

a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d
SHA512

c21fb37ab458f5560ea1eea02bedcc2a57e8441e6b4ef1b363113eff7e97328930603cf43a205fe45841201f6131f43b8f6ee013b86399ecde22c82a4b22c6a3
SSDEEP

24576:4+0Q+i45RyIz+gDymKYESup7qAPJNEOfK+pW1Q4R3fiRT2DHDO4jU5oa/0u7xsQ7:N

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/972-1-0x00000000007B0000-0x0000000000896000-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-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.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
27	icanhazip.com
36	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
5116	netsh.exe
536	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	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
972	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
972	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
972	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	972	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
Token: SeSecurityPrivilege	2192	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 536	972	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe	93
PID 972 wrote to memory of 536	972	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe	93
PID 536 wrote to memory of 4136	536	cmd.exe	96
PID 536 wrote to memory of 4136	536	cmd.exe	96
PID 536 wrote to memory of 5116	536	cmd.exe	97
PID 536 wrote to memory of 5116	536	cmd.exe	97
PID 536 wrote to memory of 2988	536	cmd.exe	98
PID 536 wrote to memory of 2988	536	cmd.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe

C:\Users\Admin\AppData\Local\Temp\a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.exe
"C:\Users\Admin\AppData\Local\Temp\a77aafbb23e8e830c27a832b4cfb7c50d4b2a0bd94c466ed35c94e06f26f6c7d.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:972
- 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:536
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4136
- - C:\Windows\system32\netsh.exe
    netsh wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:5116
- - C:\Windows\system32\findstr.exe
    findstr All
    3⤵
    PID:2988

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2192

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/972-1-0x00000000007B0000-0x0000000000896000-memory.dmp

Filesize
920KB

Download
memory/972-0-0x00007FFD1EDE3000-0x00007FFD1EDE5000-memory.dmp

Filesize
8KB

Download
memory/972-2-0x00007FFD1EDE0000-0x00007FFD1F8A1000-memory.dmp

Filesize
10.8MB

Download
memory/972-3-0x00000000029D0000-0x00000000029E2000-memory.dmp

Filesize
72KB

Download
memory/972-4-0x000000001BE20000-0x000000001BFE2000-memory.dmp

Filesize
1.8MB

Download
memory/972-34-0x000000001B9D0000-0x000000001BA46000-memory.dmp

Filesize
472KB

Download
memory/972-56-0x00007FFD1EDE3000-0x00007FFD1EDE5000-memory.dmp

Filesize
8KB

Download
memory/972-57-0x00007FFD1EDE0000-0x00007FFD1F8A1000-memory.dmp

Filesize
10.8MB

Download
memory/972-58-0x000000001D050000-0x000000001D578000-memory.dmp

Filesize
5.2MB

Download
memory/972-60-0x00007FFD1EDE0000-0x00007FFD1F8A1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads