obj3ctivity | a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:28

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General

Target

a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe
Size

59KB
MD5

c1667c76b9835e9ed50cb723a177c596
SHA1

505d31c1543fe7f03da5c536d31d5bf6873a8f5a
SHA256

a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96
SHA512

dfd1b989ed0c6b02cbef586a15cbd0ce13f1e28c44c5135f8e48b2e631f39b03d967c0860e5b33204d56ff4194571e80ed647a33422d5d60b60c10d79c9ee6a1
SSDEEP

1536:jBZB6BqMlDnzYIBq/BHByABByZ+rhihUqq1YjVG0qzrg0:jBZB6BqMlDzYIBq/BHByABAZqwZqSk

Score

10^/10

obj3ctivity discovery stealer

Malware Config

Signatures

Detects Obj3ctivity Stage1 1 IoCs

Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.

stealer

resource	yara_rule
behavioral1/memory/2516-1-0x0000000000FC0000-0x0000000000FD6000-memory.dmp	family_obj3ctivity

Obj3ctivity family
obj3ctivity
Obj3ctivity, PXRECVOWEIWOEI
Obj3ctivity aka PXRECVOWEIWOEI is an infostealer written in C#.
stealer obj3ctivity

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2496	2516	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2496	2516	a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe	30
PID 2516 wrote to memory of 2496	2516	a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe	30
PID 2516 wrote to memory of 2496	2516	a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe	30
PID 2516 wrote to memory of 2496	2516	a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe	30

C:\Users\Admin\AppData\Local\Temp\a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe
"C:\Users\Admin\AppData\Local\Temp\a9fef3bf43ae17b1ea2361ea59c5584caf762bd450dc8f120fdbf7f9fe523e96.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 1472
  2⤵
  - Program crash
  PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2516-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/2516-1-0x0000000000FC0000-0x0000000000FD6000-memory.dmp

Filesize
88KB

Download
memory/2516-2-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2516-3-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download