observer | 5b2b8a4d5b8375a3ac2ce68b93cdbfdc8fd13d1cf4ea1a6a61bd784aa495dbfb

Analysis

max time kernel
149s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 21:11

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General

Target

observer (1)01.exe
Size

371KB
MD5

e9dda8ccde5385e8d0a7f0bdc361e51d
SHA1

863734caf0cb94dce610fe49eeebe438a7096dfb
SHA256

5b2b8a4d5b8375a3ac2ce68b93cdbfdc8fd13d1cf4ea1a6a61bd784aa495dbfb
SHA512

960cbd75e519bd4593b3d313834abe687dfd7de58b22d65384e27262598508f20b2d14d8fa5ceda422287495f5a75ccf494db69e61a96ca34aa12f870d1c7d93
SSDEEP

6144:UvIAage6geI62bhgkHWdVwVZN42ZApv5Fd3MkHg/rRq9/fbsMS2GFjOw:m2ReyKkHWjwVZpZoDdQ0LW

Score

10^/10

observer discovery stealer

Malware Config

Extracted

Family

observer

http://5.42.66.25:3000

Signatures

Observer
Observer is an infostealer written in C++.
stealer observer

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1324	3948	WerFault.exe	83

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	observer (1)01.exe

C:\Users\Admin\AppData\Local\Temp\observer (1)01.exe
"C:\Users\Admin\AppData\Local\Temp\observer (1)01.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 1276
  2⤵
  - Program crash
  PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3948 -ip 3948
1⤵
PID:3784

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

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Downloads

memory/3948-0-0x0000000002060000-0x00000000020A4000-memory.dmp

Filesize
272KB

Download
memory/3948-5-0x0000000002060000-0x00000000020A4000-memory.dmp

Filesize
272KB

Download