File name:

813bc141522.exe

Full analysis: https://app.any.run/tasks/84867329-a14c-4a72-bf92-07545b9856f7
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Malware Trends Tracker     >>>
Analysis date: February 09, 2024, 05:44:10
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
observerstealer
stealer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

ED76946F3A434CEEF6B4992FCDE61DF4

SHA1:

9DB92114A03011010E08BF1FBD730F132E9BE53B

SHA256:

52F454D2316A564CF5887680F10FDB991E7FE37A72A235E39242E5A20D293339

SSDEEP:

6144:wlv9bFuC9HS5PN1BfbHyd2dprzR9jAPeaNY+x5ZpDyKHbRjja:w998C9HS5fcdIDjAPea5nZkKHbxja

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Drops the executable file immediately after the start

      • 813bc141522.exe (PID: 268)

    • Connects to the CnC server

      • 813bc141522.exe (PID: 268)

    • OBSERVERSTEALER has been detected (SURICATA)

      • 813bc141522.exe (PID: 268)

    • Steals credentials

      • 813bc141522.exe (PID: 268)

    • Actions looks like stealing of personal data

      • 813bc141522.exe (PID: 268)

  • SUSPICIOUS

    • Reads the Internet Settings

      • 813bc141522.exe (PID: 268)

    • Searches for installed software

      • 813bc141522.exe (PID: 268)

    • Connects to unusual port

      • 813bc141522.exe (PID: 268)

    • Reads browser cookies

      • 813bc141522.exe (PID: 268)

  • INFO

    • Checks supported languages

      • 813bc141522.exe (PID: 268)

    • Reads the computer name

      • 813bc141522.exe (PID: 268)

    • Checks proxy server information

      • 813bc141522.exe (PID: 268)

    • Reads the machine GUID from the registry

      • 813bc141522.exe (PID: 268)

    • Creates files or folders in the user directory

      • 813bc141522.exe (PID: 268)

    • Reads Environment values

      • 813bc141522.exe (PID: 268)

    • Reads product name

      • 813bc141522.exe (PID: 268)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:01:30 16:40:08+01:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.38
CodeSize: 364032
InitializedDataSize: 95744
UninitializedDataSize: -
EntryPoint: 0x34713
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #OBSERVERSTEALER 813bc141522.exe

Process information

PID
CMD
Path
Indicators
Parent process
268"C:\Users\admin\AppData\Local\Temp\813bc141522.exe" C:\Users\admin\AppData\Local\Temp\813bc141522.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\813bc141522.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
Total events
597
Read events
585
Write events
12
Delete events
0

Modification events

(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
460000005B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A8016B000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(268) 813bc141522.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
Executable files
0
Suspicious files
0
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
268813bc141522.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\s[1].htmtext
MD5:32932559F5691037B5DDB62AFC48F2D0
SHA256:22962DB1AD0BFBC44B9F37DDAA73342B407607C6B1720048CF23A9ED867F00F2
268813bc141522.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\1YWRISTC.htmtext
MD5:E00B3A09532A09849FA15C41F4525F9A
SHA256:F22F4DB8D35A6633983CE3ECE1849457BDA546BF541267ACCFAFC64A68BF8022
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
33
TCP/UDP connections
6
DNS requests
0
Threats
11

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
268
813bc141522.exe
GET
200
5.42.66.25:3000
http://5.42.66.25:3000/s?id=357f1eda-a890-4d26-97cf-8febe643610c
unknown
text
56 b
unknown
268
813bc141522.exe
GET
200
5.42.66.25:3000
http://5.42.66.25:3000/?id=357f1eda-a890-4d26-97cf-8febe643610c
unknown
text
3.79 Kb
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
268
813bc141522.exe
POST
200
5.42.66.25:3000
http://5.42.66.25:3000/
unknown
text
2 b
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
268
813bc141522.exe
5.42.66.25:3000
—
CJSC Kolomna-Sviaz TV
RU
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown

DNS requests

No data

Threats

PID
Process
Class
Message
268
813bc141522.exe
A Network Trojan was detected
ET MALWARE [ANY.RUN] Win32/ObserverStealer CnC Activity (Loading) M2
268
813bc141522.exe
Malware Command and Control Activity Detected
STEALER [ANY.RUN] Possible Win32/ObserverStealer CnC Activity (Loading)
268
813bc141522.exe
A Network Trojan was detected
ET MALWARE [ANY.RUN] Win32/ObserverStealer CnC Activity (Check-in)
268
813bc141522.exe
A Network Trojan was detected
ET MALWARE [ANY.RUN] Win32/ObserverStealer CnC Activity (Activity)
268
813bc141522.exe
A Network Trojan was detected
ET MALWARE [ANY.RUN] Win32/ObserverStealer CnC Activity (System Information)
268
813bc141522.exe
A Network Trojan was detected
ET MALWARE [ANY.RUN] Win32/ObserverStealer CnC Activity (Screenshot)
268
813bc141522.exe
A Network Trojan was detected
ET HUNTING PNG in HTTP POST (Outbound)
268
813bc141522.exe
Successful Credential Theft Detected
SUSPICIOUS [ANY.RUN] Clear Text Password Exfiltration Atempt
3 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
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Reports
813bc141522.exe