File name:

wsus.zip

Full analysis: https://app.any.run/tasks/1cf14ea7-a0b6-4f8c-97f6-07366a2dfbff
Verdict: Malicious activity
Threats:

FlawedAmmmyy is a RAT type malware that can be used to perform actions remotely on an infected PC. This malware is well known for being featured in especially large campaigns with wide target demographics.

Analysis date: February 19, 2019, 13:36:00
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
flawedammyy
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract
MD5:

F97C77C3CE0E76DE39A04CE5E67065D4

SHA1:

DB69D8613B633C6EC585FACBBE796511D6100233

SHA256:

98D16C771A405E900791FEF2B8E3514BEB8C955FD0C43B67CF6C1CDF33A428EB

SSDEEP:

6144:dJbLbPhKYHqdvWrumqNHq8kZH0iHirilla2eGre6zftmfdEavDQmWxjK7t/k:dJbLoYuvWrumbRJ0owillHeEDrcfdLra

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

      • wsus.exe (PID: 2576)
    • FLAWEDAMMYY was detected

      • wsus.exe (PID: 2576)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 3652)
  • 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: 788
ZipBitFlag: 0x0001
ZipCompression: Deflated
ZipModifyDate: 2019:02:19 05:07:15
ZipCRC: 0x82b82b21
ZipCompressedSize: 319529
ZipUncompressedSize: 672960
ZipFileName: wsus.exe
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
32
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe #FLAWEDAMMYY wsus.exe

Process information

PID
CMD
Path
Indicators
Parent process
2576"C:\Users\admin\Desktop\wsus.exe" C:\Users\admin\Desktop\wsus.exe
explorer.exe
User:
admin
Company:
Microsoft Block Security
Integrity Level:
MEDIUM
Description:
Microsoft Block Security
Exit code:
0
Version:
1.18.2.51920
Modules
Images
c:\users\admin\desktop\wsus.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\secur32.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\winscard.dll
c:\windows\system32\ws2_32.dll
3652"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\wsus.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
651
Read events
630
Write events
21
Delete events
0

Modification events

(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(3652) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\wsus.zip
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface
Operation:writeName:ShowPassword
Value:
0
(PID) Process:(3652) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\MainWin
Operation:writeName:Placement
Value:
2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF42000000420000000204000037020000
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3652WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRb3652.39831\wsus.exeexecutable
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
28
DNS requests
0
Threats
28

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2576
wsus.exe
185.99.133.2:80
Zappie Host LLC
NZ
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2576
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
No debug info