File name:

Ammyy_1C461B8.exe

Full analysis: https://app.any.run/tasks/49f25ac9-dd36-442c-ada8-b33354a9c64a
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: August 21, 2019, 16:15:19
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:

1FC7C230D6DB0D7A0DA6F415DA271159

SHA1:

E0BD10D83BC7B3F1EB628974A8F690FFDA6E9351

SHA256:

7A836E718B70F586695D1BCED9EACFB1AA1B67387B051D0536669754B391FE81

SSDEEP:

12288:Tc1dZibTD9uOroAgeHvCUt4RtlTc+YNKpQsNvVd1gF:Tcc/DwOrZgeHv54Rt6+YNkQsNmF

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

      • Ammyy_1C461B8.exe (PID: 1248)
    • Connects to CnC server

      • Ammyy_1C461B8.exe (PID: 4024)
    • FLAWEDAMMYY was detected

      • Ammyy_1C461B8.exe (PID: 4024)
  • SUSPICIOUS

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

      • Ammyy_1C461B8.exe (PID: 4024)
    • Executed as Windows Service

      • Ammyy_1C461B8.exe (PID: 3348)
    • Application launched itself

      • Ammyy_1C461B8.exe (PID: 3824)
    • Creates files in the program directory

      • Ammyy_1C461B8.exe (PID: 3824)
    • Creates files in the Windows directory

      • Ammyy_1C461B8.exe (PID: 4024)
  • 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: 2015:01:22 23:06:25+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 532480
InitializedDataSize: 253952
UninitializedDataSize: -
EntryPoint: 0x7c41e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 3.5.0.0
ProductVersionNumber: 3.5.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
Comments: -
CompanyName: Ammyy LLC
FileDescription: Ammyy Admin
FileVersion: 3.5
InternalName: Ammyy Admin
LegalCopyright: -
LegalTrademarks: -
OriginalFileName: -
PrivateBuild: -
ProductName: Ammyy Admin
ProductVersion: 3.5
SpecialBuild: -

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-Jan-2015 22:06:25
Detected languages:
  • English - United States
  • Russian - Russia
Comments: -
CompanyName: Ammyy LLC
FileDescription: Ammyy Admin
FileVersion: 3.5
InternalName: Ammyy Admin
LegalCopyright: -
LegalTrademarks: -
OriginalFilename: -
PrivateBuild: -
ProductName: Ammyy Admin
ProductVersion: 3.5
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: 22-Jan-2015 22:06:25
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
0x00081F6E
0x00082000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.70548
.rdata
0x00083000
0x0001791A
0x00018000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.16869
.data
0x0009B000
0x0001ACE0
0x00014000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.96079
.rsrc
0x000B6000
0x0000A140
0x0000B000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.26345

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.841
637
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
MSVCP60.dll
MSVCRT.dll
SETUPAPI.dll
SHELL32.dll
SHLWAPI.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
4
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start ammyy_1c461b8.exe no specs ammyy_1c461b8.exe ammyy_1c461b8.exe no specs #FLAWEDAMMYY ammyy_1c461b8.exe

Process information

PID
CMD
Path
Indicators
Parent process
1248"C:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exe" -elevated C:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exe
Ammyy_1C461B8.exe
User:
admin
Company:
Ammyy LLC
Integrity Level:
HIGH
Description:
Ammyy Admin
Exit code:
0
Version:
3.5
Modules
Images
c:\users\admin\appdata\local\temp\ammyy_1c461b8.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
3348"C:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exe" -service -lunchC:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exeservices.exe
User:
SYSTEM
Company:
Ammyy LLC
Integrity Level:
SYSTEM
Description:
Ammyy Admin
Exit code:
0
Version:
3.5
Modules
Images
c:\users\admin\appdata\local\temp\ammyy_1c461b8.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\user32.dll
c:\windows\system32\gdi32.dll
3824"C:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exe" C:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exeexplorer.exe
User:
admin
Company:
Ammyy LLC
Integrity Level:
MEDIUM
Description:
Ammyy Admin
Exit code:
0
Version:
3.5
Modules
Images
c:\users\admin\appdata\local\temp\ammyy_1c461b8.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
4024"C:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exe" -elevated C:\Users\admin\AppData\Local\Temp\Ammyy_1C461B8.exe
Ammyy_1C461B8.exe
User:
SYSTEM
Company:
Ammyy LLC
Integrity Level:
SYSTEM
Description:
Ammyy Admin
Exit code:
0
Version:
3.5
Modules
Images
c:\users\admin\appdata\local\temp\ammyy_1c461b8.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
384
Read events
356
Write events
27
Delete events
1

Modification events

(PID) Process:(3824) Ammyy_1C461B8.exeKey:HKEY_CURRENT_USER\Software\Ammyy\Admin
Operation:writeName:hr
Value:
537D567366315689DDC34279B452
(PID) Process:(3824) Ammyy_1C461B8.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Ammyy\Admin
Operation:writeName:hr
Value:
537D567366315689DDC34279B452
(PID) Process:(3824) Ammyy_1C461B8.exeKey:HKEY_CURRENT_USER\Software\Ammyy\Admin
Operation:writeName:hr3
Value:
C18B04AA287086FCDF0C09425F4110DE85AA60AF9DFB21EC0652AE0E22F2285438F29B1BE732DF1F30A71B8726B1C1B7CAABF2B6C45F9641576E599F
(PID) Process:(3824) Ammyy_1C461B8.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Ammyy\Admin
Operation:writeName:hr3
Value:
C18B04AA287086FCDF0C09425F4110DE85AA60AF9DFB21EC0652AE0E22F2285438F29B1BE732DF1F30A71B8726B1C1B7CAABF2B6C45F9641576E599F
(PID) Process:(3824) Ammyy_1C461B8.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3824) Ammyy_1C461B8.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(1248) Ammyy_1C461B8.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\AmmyyAdmin_4E0
Operation:writeName:
Value:
Service
(PID) Process:(1248) Ammyy_1C461B8.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\AmmyyAdmin_4E0
Operation:delete keyName:
Value:
(PID) Process:(4024) Ammyy_1C461B8.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Ammyy_1C461B8_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(4024) Ammyy_1C461B8.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Ammyy_1C461B8_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
0
Suspicious files
4
Text files
10
Unknown types
3

Dropped files

PID
Process
Filename
Type
3824Ammyy_1C461B8.exeC:\ProgramData\AMMYY\hr3binary
MD5:
SHA256:
3824Ammyy_1C461B8.exeC:\ProgramData\AMMYY\hrtext
MD5:
SHA256:
4024Ammyy_1C461B8.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
4024Ammyy_1C461B8.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\JK00YGGA\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
3824Ammyy_1C461B8.exeC:\ProgramData\AMMYY\settings3.binbinary
MD5:714F2508D4227F74B6ADACFEF73815D8
SHA256:A5579945F23747541C0E80B79E79375D4CA44FEAFCD425EE9BD9302E35312480
4024Ammyy_1C461B8.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\ZSPF4HLD\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
4024Ammyy_1C461B8.exeC:\ProgramData\AMMYY\hrbinary
MD5:
SHA256:
4024Ammyy_1C461B8.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\index.datdat
MD5:
SHA256:
4024Ammyy_1C461B8.exeC:\ProgramData\AMMYY\hr3binary
MD5:
SHA256:
4024Ammyy_1C461B8.exeC:\Windows\TEMP\Temporary Internet Files\Content.IE5\YAH13P3W\desktop.iniini
MD5:4A3DEB274BB5F0212C2419D3D8D08612
SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
3
DNS requests
1
Threats
6

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4024
Ammyy_1C461B8.exe
POST
200
188.42.129.148:80
http://rl.ammyy.com/
NL
text
132 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
4024
Ammyy_1C461B8.exe
188.42.129.148:80
rl.ammyy.com
Servers.com, Inc.
NL
malicious
4024
Ammyy_1C461B8.exe
95.211.242.84:443
LeaseWeb Netherlands B.V.
NL
malicious
4024
Ammyy_1C461B8.exe
95.211.242.84:80
LeaseWeb Netherlands B.V.
NL
malicious

DNS requests

Domain
IP
Reputation
rl.ammyy.com
  • 188.42.129.148
suspicious

Threats

PID
Process
Class
Message
4024
Ammyy_1C461B8.exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z Check-in pkt
4024
Ammyy_1C461B8.exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z check-in
4024
Ammyy_1C461B8.exe
A Network Trojan was detected
MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z response
4024
Ammyy_1C461B8.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
4024
Ammyy_1C461B8.exe
A Network Trojan was detected
MALWARE [PTsecurity] AMMYY RAT
1 ETPRO signatures available at the full report
No debug info