URL:

http://www.ammyy.com/AA_v3.php

Full analysis: https://app.any.run/tasks/3a32b057-ac1e-4650-8192-c0500c3be9b4
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 05, 2019, 14:31:54
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
loader
rat
flawedammyy
ammyy
Indicators:
MD5:

90B86F36DF1CE419FCF4F9042C8EBB0B

SHA1:

82D797E2B799D6369E3DF700F75434112DD8E654

SHA256:

5F5EDBA542F4968A7F51F2B3959EEA35E34E469D3DF26006A6F63BD22142DD4A

SSDEEP:

3:N1KJS4uGK3ITWx:Cc4uGzWx

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

      • AA_v3[1].exe (PID: 1376)
      • AA_v3[1].exe (PID: 3116)
      • AA_v3[1].exe (PID: 2912)
      • AA_v3[1].exe (PID: 3340)
    • Deletes the SafeBoot registry key

      • AA_v3[1].exe (PID: 3116)
    • Downloads executable files from the Internet

      • iexplore.exe (PID: 3296)
    • Connects to CnC server

      • AA_v3[1].exe (PID: 3340)
    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 3076)
    • FLAWEDAMMYY was detected

      • AA_v3[1].exe (PID: 3340)
  • SUSPICIOUS

    • Creates files in the program directory

      • AA_v3[1].exe (PID: 1376)
      • AA_v3[1].exe (PID: 3340)
    • Application launched itself

      • AA_v3[1].exe (PID: 1376)
    • Executable content was dropped or overwritten

      • iexplore.exe (PID: 2884)
      • iexplore.exe (PID: 3296)
      • AA_v3[1].exe (PID: 3340)
    • Writes to a desktop.ini file (may be used to cloak folders)

      • AA_v3[1].exe (PID: 3340)
    • Creates files in the Windows directory

      • AA_v3[1].exe (PID: 3340)
    • Uses RUNDLL32.EXE to load library

      • AA_v3[1].exe (PID: 3340)
  • INFO

    • Application launched itself

      • iexplore.exe (PID: 2884)
    • Creates files in the user directory

      • FlashUtil32_26_0_0_131_ActiveX.exe (PID: 3052)
      • iexplore.exe (PID: 3296)
    • Changes internet zones settings

      • iexplore.exe (PID: 2884)
    • Reads internet explorer settings

      • iexplore.exe (PID: 3296)
    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3296)
      • iexplore.exe (PID: 2884)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
8
Malicious processes
3
Suspicious processes
3

Behavior graph

Click at the process to see the details
drop and start start iexplore.exe iexplore.exe flashutil32_26_0_0_131_activex.exe no specs aa_v3[1].exe no specs aa_v3[1].exe aa_v3[1].exe no specs #FLAWEDAMMYY aa_v3[1].exe rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1376"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exeiexplore.exe
User:
admin
Company:
Ammyy LLC
Integrity Level:
MEDIUM
Description:
Ammyy Admin
Exit code:
0
Version:
3.8
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\rb73mz6y\aa_v3[1].exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2884"C:\Program Files\Internet Explorer\iexplore.exe" http://www.ammyy.com/AA_v3.phpC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.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\user32.dll
c:\windows\system32\gdi32.dll
2912"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exe" -service -lunchC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exeservices.exe
User:
SYSTEM
Company:
Ammyy LLC
Integrity Level:
SYSTEM
Description:
Ammyy Admin
Exit code:
0
Version:
3.8
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\rb73mz6y\aa_v3[1].exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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\gdi32.dll
c:\windows\system32\user32.dll
3052C:\Windows\system32\Macromed\Flash\FlashUtil32_26_0_0_131_ActiveX.exe -EmbeddingC:\Windows\system32\Macromed\Flash\FlashUtil32_26_0_0_131_ActiveX.exesvchost.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe® Flash® Player Installer/Uninstaller 26.0 r0
Exit code:
0
Version:
26,0,0,131
Modules
Images
c:\windows\system32\macromed\flash\flashutil32_26_0_0_131_activex.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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\advapi32.dll
3076rundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",runC:\Windows\system32\rundll32.exeAA_v3[1].exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.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\imagehlp.dll
3116"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exe" -elevated C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exe
AA_v3[1].exe
User:
admin
Company:
Ammyy LLC
Integrity Level:
HIGH
Description:
Ammyy Admin
Exit code:
0
Version:
3.8
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\rb73mz6y\aa_v3[1].exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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\gdi32.dll
c:\windows\system32\user32.dll
3296"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2884 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.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\user32.dll
c:\windows\system32\gdi32.dll
3340"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exe" -elevated C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\AA_v3[1].exe
AA_v3[1].exe
User:
SYSTEM
Company:
Ammyy LLC
Integrity Level:
SYSTEM
Description:
Ammyy Admin
Exit code:
0
Version:
3.8
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\rb73mz6y\aa_v3[1].exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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\gdi32.dll
c:\windows\system32\user32.dll
Total events
1 148
Read events
1 040
Write events
104
Delete events
4

Modification events

(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{D1BE6047-2952-11E9-91D7-5254004A04AF}
Value:
0
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
3
(PID) Process:(2884) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E3070200020005000E0020000A00C902
Executable files
3
Suspicious files
3
Text files
45
Unknown types
6

Dropped files

PID
Process
Filename
Type
2884iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R9ZEWH8D\favicon[1].ico
MD5:
SHA256:
2884iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
MD5:
SHA256:
3296iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\admin@ammyy[2].txt
MD5:
SHA256:
3296iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\downloads[1].htmhtml
MD5:
SHA256:
3296iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\styles[1].csstext
MD5:
SHA256:
3296iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\flag_en[1].gifimage
MD5:4C193BED883D620E60D8CC941B438829
SHA256:E69DCD6AEA248BBDC5370F3325982B1532E5C3501A7A55988D478EE053D3356E
3296iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\top_r[1].gifimage
MD5:03170BC570C250BE47A559D41A3BD258
SHA256:10C62B2DF19C67E98C0F4426B470683FF17C3A198B1700749835409F5D88A8E7
3296iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\admin@ammyy[1].txttext
MD5:
SHA256:
2884iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R9ZEWH8D\favicon[2].pngimage
MD5:9FB559A691078558E77D6848202F6541
SHA256:6D8A01DC7647BC218D003B58FE04049E24A9359900B7E0CEBAE76EDF85B8B914
3296iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\PP6KS563\ga[1].jstext
MD5:E9372F0EBBCF71F851E3D321EF2A8E5A
SHA256:1259EA99BD76596239BFD3102C679EB0A5052578DC526B0452F4D42F8BCDD45F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
35
TCP/UDP connections
36
DNS requests
6
Threats
10

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3296
iexplore.exe
GET
302
136.243.105.159:80
http://www.ammyy.com/AA_v3.php
DE
suspicious
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/en/downloads.html
DE
html
10.6 Kb
suspicious
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/img/styles.css
DE
text
3.72 Kb
suspicious
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/img/top_l.gif
DE
image
160 b
suspicious
2884
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/img/shadow.jpg
DE
image
2.53 Kb
suspicious
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/img/flag_en.gif
DE
image
1.12 Kb
suspicious
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/img/flag_de.gif
DE
image
1.05 Kb
suspicious
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/img/ammyy_logo.gif
DE
image
7.18 Kb
suspicious
3296
iexplore.exe
GET
200
136.243.105.159:80
http://www.ammyy.com/img/top_r.gif
DE
image
159 b
suspicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3296
iexplore.exe
136.243.105.159:80
www.ammyy.com
Hetzner Online GmbH
DE
suspicious
2884
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
3296
iexplore.exe
216.58.210.14:80
www.google-analytics.com
Google Inc.
US
whitelisted
2884
iexplore.exe
136.243.105.159:80
www.ammyy.com
Hetzner Online GmbH
DE
suspicious
3340
AA_v3[1].exe
188.42.129.148:80
rl.ammyy.com
Servers.com, Inc.
NL
malicious
3340
AA_v3[1].exe
136.243.105.159:80
www.ammyy.com
Hetzner Online GmbH
DE
suspicious
3340
AA_v3[1].exe
136.243.18.122:443
Hetzner Online GmbH
DE
malicious

DNS requests

Domain
IP
Reputation
www.ammyy.com
  • 136.243.105.159
suspicious
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
dns.msftncsi.com
  • 131.107.255.255
shared
www.google-analytics.com
  • 216.58.210.14
whitelisted
rl.ammyy.com
  • 188.42.129.148
suspicious

Threats

PID
Process
Class
Message
3296
iexplore.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
3296
iexplore.exe
Misc activity
ET INFO EXE - Served Attached HTTP
3296
iexplore.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
3296
iexplore.exe
Misc activity
ET INFO EXE - Served Attached HTTP
3340
AA_v3[1].exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
3340
AA_v3[1].exe
Misc activity
MALWARE [PTsecurity] AMMYY RAT pkt checker #1
3340
AA_v3[1].exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z Check-in pkt
3340
AA_v3[1].exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z check-in
3340
AA_v3[1].exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z response
1 ETPRO signatures available at the full report
No debug info