File name:

file

Full analysis: https://app.any.run/tasks/5adff01c-1542-4d35-9642-8a4d7d157519
Verdict: Malicious activity
Threats:

Stealc is a stealer malware that targets victims’ sensitive data, which it exfiltrates from browsers, messaging apps, and other software. The malware is equipped with advanced features, including fingerprinting, control panel, evasion mechanisms, string obfuscation, etc. Stealc establishes persistence and communicates with its C2 server through HTTP POST requests.

Analysis date: December 02, 2023, 08:43:19
OS: Windows 7 Professional Service Pack 1 (build: 7601, 64 bit)
Tags:
stealer
stealc
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

935D7B256EF88818081EAED16A4F1795

SHA1:

F0CD5EF65DB21E3CB5F59BBF005F10A368AA7BDF

SHA256:

8BCACE1AC73ADBCC0D5A2BD4ADDBB5B07C74050F2A231B5F6D2B0D02CB942874

SSDEEP:

12288:T6E2cSKsycmHSQTngOmxvHXkNQfKc4qJ:fFsSSQTngOmxPkN

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

    • STEALC has been detected (SURICATA)

      • file.exe (PID: 796)
    • Connects to the CnC server

      • file.exe (PID: 796)
  • SUSPICIOUS

    • Reads the Internet Settings

      • file.exe (PID: 796)
    • Connects to the server without a host name

      • file.exe (PID: 796)
  • INFO

    • Reads the computer name

      • file.exe (PID: 796)
    • Checks supported languages

      • file.exe (PID: 796)
    • Checks proxy server information

      • file.exe (PID: 796)
    • Reads the machine GUID from the registry

      • file.exe (PID: 796)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | InstallShield setup (36.1)
.exe | Win32 Executable MS Visual C++ (generic) (26.2)
.exe | Win64 Executable (generic) (23.2)
.dll | Win32 Dynamic Link Library (generic) (5.5)
.exe | Win32 Executable (generic) (3.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:08:09 03:25:40+02:00
ImageFileCharacteristics: No relocs, Executable, 32-bit
PEType: PE32
LinkerVersion: 10
CodeSize: 203776
InitializedDataSize: 3815936
UninitializedDataSize: -
EntryPoint: 0x95f3
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 21.0.0.0
ProductVersionNumber: 34.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Unknown (0373)
CharacterSet: Unknown (63B6)
FileDescriptions: Buttiskamf
InternalName: Bastard.exe
LegalTrademark1: Fascal
OriginalFileName: Lameros.exe
ProductName: Jadocka
ProductVersion: 57.38.26
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
32
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #STEALC file.exe

Process information

PID
CMD
Path
Indicators
Parent process
796"C:\Users\admin\AppData\Local\Temp\file.exe" C:\Users\admin\AppData\Local\Temp\file.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\file.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\system32\kernel32.dll
c:\windows\syswow64\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\syswow64\kernelbase.dll
Total events
259
Read events
247
Write events
12
Delete events
0

Modification events

(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
46000000C1000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(796) file.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
5
DNS requests
0
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
796
file.exe
POST
200
5.42.64.41:80
http://5.42.64.41/40d570f44e84a454.php
unknown
text
8 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
4
System
192.168.100.255:137
whitelisted
1956
svchost.exe
239.255.255.250:1900
whitelisted
4
System
192.168.100.255:138
whitelisted
324
svchost.exe
224.0.0.252:5355
unknown
796
file.exe
5.42.64.41:80
CJSC Kolomna-Sviaz TV
RU
unknown

DNS requests

No data

Threats

PID
Process
Class
Message
796
file.exe
Malware Command and Control Activity Detected
ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in
796
file.exe
Malware Command and Control Activity Detected
STEALER [ANY.RUN] Stealc
No debug info