File name:

AA_v3.exe

Full analysis: https://app.any.run/tasks/717f1fee-65df-4b4f-ab0e-3a4e88f3507d
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.

Malware Trends Tracker     >>>
Analysis date: October 17, 2019, 11:03:58
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
flawedammyy
ammyy
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

121E1634BF18768802427F0A13F039A9

SHA1:

8868654BA10FB4C9A7BD882D1F947F4FD51E988E

SHA256:

5FC600351BADE74C2791FC526BCA6BB606355CC65E5253F7F791254DB58EE7FA

SSDEEP:

12288:hSX+EvrCA3FNIs34Zk1L1ZSNlm3Spsal6lbRtMuStGKcsCSqcl90Va1ugp:2FNN4Zk1LTclm3e1kbRtyGKcpHcl517p

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

    • Deletes the SafeBoot registry key

      • AA_v3.exe (PID: 3012)

    • FLAWEDAMMYY was detected

      • AA_v3.exe (PID: 2300)

    • Connects to CnC server

      • AA_v3.exe (PID: 2300)

    • Loads dropped or rewritten executable

      • rundll32.exe (PID: 2712)

  • SUSPICIOUS

    • Creates files in the program directory

      • AA_v3.exe (PID: 1940)
      • AA_v3.exe (PID: 2300)

    • Uses RUNDLL32.EXE to load library

      • AA_v3.exe (PID: 2300)

    • Application launched itself

      • AA_v3.exe (PID: 1940)

    • Creates files in the Windows directory

      • AA_v3.exe (PID: 2300)

    • Writes to a desktop.ini file (may be used to cloak folders)

      • AA_v3.exe (PID: 2300)

    • Executed as Windows Service

      • AA_v3.exe (PID: 1576)

    • Executable content was dropped or overwritten

      • AA_v3.exe (PID: 2300)

  • 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) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:03:12 13:30:53+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 552960
InitializedDataSize: 262144
UninitializedDataSize: -
EntryPoint: 0x80768
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 3.9.0.0
ProductVersionNumber: 3.9.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
Comments: -
CompanyName: Ammyy LLC
FileDescription: Ammyy Admin
FileVersion: 3.9
InternalName: Ammyy Admin
LegalCopyright: -
LegalTrademarks: -
OriginalFileName: -
PrivateBuild: -
ProductName: Ammyy Admin
ProductVersion: 3.9
SpecialBuild: -

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Mar-2019 12:30:53
Detected languages:
  • English - United States
  • Russian - Russia
Comments: -
CompanyName: Ammyy LLC
FileDescription: Ammyy Admin
FileVersion: 3.9
InternalName: Ammyy Admin
LegalCopyright: -
LegalTrademarks: -
OriginalFilename: -
PrivateBuild: -
ProductName: Ammyy Admin
ProductVersion: 3.9
SpecialBuild: -

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: 0x00000120

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 12-Mar-2019 12:30:53
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
.text
0x00001000
0x00086A32
0x00087000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.70418
.rdata
0x00088000
0x000194DE
0x0001A000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.13894
.data
0x000A2000
0x0001AD98
0x00014000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.94725
.rsrc
0x000BD000
0x0000A658
0x0000B000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.42054

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.29974
1474
UNKNOWN
UNKNOWN
RT_MANIFEST
2
5.72434
9640
UNKNOWN
UNKNOWN
RT_ICON
3
6.13946
4264
UNKNOWN
UNKNOWN
RT_ICON
4
1.65331
308
UNKNOWN
English - United States
RT_CURSOR
5
1.19249
308
UNKNOWN
English - United States
RT_CURSOR
6
1.34234
308
UNKNOWN
English - United States
RT_CURSOR
100
3.53552
334
UNKNOWN
UNKNOWN
RT_DIALOG
103
5.72337
1768
UNKNOWN
Russian - Russia
RT_BITMAP
104
3.07153
174
UNKNOWN
Russian - Russia
RT_DIALOG
105
5.94736
1768
UNKNOWN
Russian - Russia
RT_BITMAP

Imports

ADVAPI32.dll
COMCTL32.dll
DSOUND.dll
GDI32.dll
KERNEL32.dll
MSVCRT.dll
SETUPAPI.dll
SHELL32.dll
SHLWAPI.dll
Secur32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start aa_v3.exe no specs aa_v3.exe aa_v3.exe no specs #FLAWEDAMMYY aa_v3.exe rundll32.exe

Process information

PID
CMD
Path
Indicators
Parent process
1576"C:\Users\admin\AppData\Local\Temp\AA_v3.exe" -service -lunchC:\Users\admin\AppData\Local\Temp\AA_v3.exe—services.exe
User:
SYSTEM
Company:
Ammyy LLC
Integrity Level:
SYSTEM
Description:
Ammyy Admin
Exit code:
0
Version:
3.9
Modules
Images
c:\users\admin\appdata\local\temp\aa_v3.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
1940"C:\Users\admin\AppData\Local\Temp\AA_v3.exe" C:\Users\admin\AppData\Local\Temp\AA_v3.exe—explorer.exe
User:
admin
Company:
Ammyy LLC
Integrity Level:
MEDIUM
Description:
Ammyy Admin
Exit code:
0
Version:
3.9
Modules
Images
c:\users\admin\appdata\local\temp\aa_v3.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
2300"C:\Users\admin\AppData\Local\Temp\AA_v3.exe" -elevated C:\Users\admin\AppData\Local\Temp\AA_v3.exe
AA_v3.exe
User:
SYSTEM
Company:
Ammyy LLC
Integrity Level:
SYSTEM
Description:
Ammyy Admin
Exit code:
0
Version:
3.9
Modules
Images
c:\users\admin\appdata\local\temp\aa_v3.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
2712rundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",runC:\Windows\system32\rundll32.exe
AA_v3.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
3012"C:\Users\admin\AppData\Local\Temp\AA_v3.exe" -elevated C:\Users\admin\AppData\Local\Temp\AA_v3.exe
AA_v3.exe
User:
admin
Company:
Ammyy LLC
Integrity Level:
HIGH
Description:
Ammyy Admin
Exit code:
0
Version:
3.9
Modules
Images
c:\users\admin\appdata\local\temp\aa_v3.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
400
Read events
373
Write events
26
Delete events
1

Modification events

(PID) Process:(1940) AA_v3.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(1940) AA_v3.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3012) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\AmmyyAdmin_BC4
Operation:writeName:
Value:
Service
(PID) Process:(3012) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\AmmyyAdmin_BC4
Operation:delete keyName:
Value:
(PID) Process:(2300) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AA_v3_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2300) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AA_v3_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2300) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AA_v3_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2300) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AA_v3_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(2300) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AA_v3_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2300) AA_v3.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AA_v3_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
Executable files
1
Suspicious files
4
Text files
11
Unknown types
3

Dropped files

PID
Process
Filename
Type
2300AA_v3.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\XA2RESH3\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
2300AA_v3.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\index.datdat
MD5:—
SHA256:—
2300AA_v3.exeC:\Users\admin\AppData\Local\Temp\AA_v3.logtext
MD5:—
SHA256:—
2300AA_v3.exeC:\ProgramData\AMMYY\aa_nts.msgbinary
MD5:—
SHA256:—
2300AA_v3.exeC:\ProgramData\AMMYY\hr3binary
MD5:—
SHA256:—
1940AA_v3.exeC:\ProgramData\AMMYY\settings3.binbinary
MD5:AC7221C691EF0A93DBBB5BEE6EFCB7EC
SHA256:B6B033B71D3F7F92986E32A61B3244B9856E82A9C3D233696A0DFA29A517106F
2300AA_v3.exeC:\ProgramData\AMMYY\settings3.binbinary
MD5:A075946877A25DDA33CAA159882231C2
SHA256:A63AFB9E867CF9D84EFCC1C633699602DD851DFBDFD4941DD70E53F16ECC2A0E
2300AA_v3.exeC:\Windows\TEMP\Cookies\index.datdat
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862
SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A
2300AA_v3.exeC:\ProgramData\AMMYY\aa_nts.dllexecutable
MD5:F39031B610E24AC573B3E17C725A641C
SHA256:C4BBF9455E38955CD81FFFAB451A4EA3D27193A2A42F394C8FF2ABF2DCF0346E
2300AA_v3.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\NOF55Q4M\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
6
DNS requests
5
Threats
8

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2300
AA_v3.exe
GET
206
136.243.18.118:80
http://www.ammyy.com/files/v7/aans32.gz
DE
binary
178 Kb
suspicious
2300
AA_v3.exe
POST
200
188.42.129.148:80
http://rl.ammyy.com/
NL
text
246 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
2300
AA_v3.exe
188.42.129.148:80
rl.ammyy.com
Servers.com, Inc.
NL
malicious
2300
AA_v3.exe
136.243.104.242:443
—
Hetzner Online GmbH
DE
malicious
2300
AA_v3.exe
136.243.18.118:80
www.ammyy.com
Hetzner Online GmbH
DE
suspicious
2300
AA_v3.exe
136.243.104.242:80
—
Hetzner Online GmbH
DE
malicious
2712
rundll32.exe
85.10.193.215:80
—
Hetzner Online GmbH
DE
unknown

DNS requests

Domain
IP
Reputation
rl.ammyy.com
  • 188.42.129.148
suspicious
www.ammyy.com
  • 136.243.18.118
suspicious
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

PID
Process
Class
Message
2300
AA_v3.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2300
AA_v3.exe
A Network Trojan was detected
MALWARE [PTsecurity] AMMYY RAT
2300
AA_v3.exe
A Network Trojan was detected
REMOTE [PTsecurity] RemoteAdmin (Ammyy)
2300
AA_v3.exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z check-in
2300
AA_v3.exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z response
2300
AA_v3.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
2300
AA_v3.exe
A Network Trojan was detected
MALWARE [PTsecurity] AMMYY RAT
1 ETPRO signatures available at the full report
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Reports
AA_v3.exe