File name:

ekstre.pdf.xz

Full analysis: https://app.any.run/tasks/c90d8025-db6a-4080-9ad4-2babd64bab63
Verdict: Malicious activity
Threats:

Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold.

Analysis date: July 11, 2019, 14:14:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
keylogger
stealer
agenttesla
evasion
trojan
rat
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract
MD5:

B105BD1E597BCFF53B97294355F73938

SHA1:

06DB0F904BE1C1CE50EA24BA38B53D8BB6C87B2C

SHA256:

B919171FA8736A984E7715C3FA4F50E362C91B9610852052BE5FBDE183841B60

SSDEEP:

24576:jth6wHhWSpqUOvX3hIYhhg6jMurLWxUPBsrpRPXYt:jtQwsSpqRX3hHhhfjM0xWVut

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

    • Changes the autorun value in the registry

      • RegAsm.exe (PID: 1728)
      • ekstre.exe (PID: 1388)
    • Application was dropped or rewritten from another process

      • ekstre.exe (PID: 1388)
      • RegAsm.exe (PID: 1728)
    • AGENTTESLA was detected

      • RegAsm.exe (PID: 1728)
    • Actions looks like stealing of personal data

      • RegAsm.exe (PID: 1728)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 3216)
      • ekstre.exe (PID: 1388)
      • RegAsm.exe (PID: 1728)
    • Suspicious files were dropped or overwritten

      • ekstre.exe (PID: 1388)
    • Creates files in the user directory

      • RegAsm.exe (PID: 1728)
    • Checks for external IP

      • RegAsm.exe (PID: 1728)
  • 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

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: -
ZipCompression: Deflated
ZipModifyDate: 2019:07:11 01:50:11
ZipCRC: 0x831c0ac7
ZipCompressedSize: 946147
ZipUncompressedSize: 1419264
ZipFileName: ekstre.exe
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
3
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start winrar.exe ekstre.exe #AGENTTESLA regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
1388"C:\Users\admin\AppData\Local\Temp\Rar$EXa3216.1000\ekstre.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3216.1000\ekstre.exe
WinRAR.exe
User:
admin
Company:
AppVClientPS
Integrity Level:
MEDIUM
Description:
userinit
Exit code:
0
Version:
925.229.473.857
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3216.1000\ekstre.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
1728"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
ekstre.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3216"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\ekstre.pdf.xz.zip"C:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\comdlg32.dll
Total events
500
Read events
474
Write events
26
Delete events
0

Modification events

(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(3216) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\ekstre.pdf.xz.zip
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3216) WinRAR.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
3
Suspicious files
0
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
1388ekstre.exeC:\Users\Public\bsSvcGairS.vbstext
MD5:
SHA256:
1728RegAsm.exeC:\Users\admin\AppData\Local\Temp\636984549266205000_b52bef29-5226-4a8a-abfa-cebbdac7c58b.dbsqlite
MD5:
SHA256:
1388ekstre.exeC:\Users\admin\SpeechRuntime\autoplay.batexecutable
MD5:
SHA256:
3216WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3216.1000\ekstre.exeexecutable
MD5:
SHA256:
1728RegAsm.exeC:\Users\admin\AppData\Roaming\MyApp\MyApp.exeexecutable
MD5:278EDBD499374BF73621F8C1F969D894
SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
2
Threats
6

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1728
RegAsm.exe
GET
200
34.233.102.38:80
http://checkip.amazonaws.com/
US
text
16 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
1728
RegAsm.exe
178.218.173.52:587
mail.anma.hr
Sedmi Odjel d.o.o.
HR
malicious
1728
RegAsm.exe
34.233.102.38:80
checkip.amazonaws.com
Amazon.com, Inc.
US
shared

DNS requests

Domain
IP
Reputation
mail.anma.hr
  • 178.218.173.52
malicious
checkip.amazonaws.com
  • 34.233.102.38
  • 52.6.79.229
  • 52.200.125.74
  • 52.202.139.131
  • 52.206.161.133
  • 18.211.215.84
malicious

Threats

PID
Process
Class
Message
1728
RegAsm.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
1728
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] AgentTesla IP Check
1728
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] Trojan-Spy.Keylogger.AgentTesla Exfiltration by SMTP
3 ETPRO signatures available at the full report
No debug info