Malware analysis AA.exe Malicious activity | ANY.RUN

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File name:	AA.exe
Full analysis:	https://app.any.run/tasks/4774be09-f462-49ff-83ce-8b67cd7380e4
Verdict:	Malicious activity
Analysis date:	December 04, 2024, 22:52:59
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	evasion ammyy remote
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:	90AADF2247149996AE443E2C82AF3730
SHA1:	050B7EBA825412B24E3F02D76D7DA5AE97E10502
SHA256:	EE573647477339784DCEF81024DE1BE1762833A20E5CC2B89A93E47D05B86B6A
SSDEEP:	24576:Uj0JJ4p/A4npt3XojeQG5EtzRtO7GvmDguXd:UjoJ4u4zojegylDN

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.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (122.0.6261.70)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (123.0)
Mozilla Maintenance Service (123.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Skype version 8.104 (8.104)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- AMMYY has been detected (SURICATA)
  - AA.exe (PID: 6936)
SUSPICIOUS
- Application launched itself
  - AA.exe (PID: 6512)
  - AA.exe (PID: 6904)
- Executes as Windows Service
  - AA.exe (PID: 6904)
- Executable content was dropped or overwritten
  - AA.exe (PID: 6936)
- Uses RUNDLL32.EXE to load library
  - AA.exe (PID: 6936)
- Potential Corporate Privacy Violation
  - AA.exe (PID: 6936)
- There is functionality for enable RDP (YARA)
  - AA.exe (PID: 6936)
- Checks for external IP
  - AA.exe (PID: 6936)
- There is functionality for taking screenshot (YARA)
  - AA.exe (PID: 6936)
INFO
- Creates files in the program directory
  - AA.exe (PID: 6512)
- Checks supported languages
  - AA.exe (PID: 6512)
  - AA.exe (PID: 6904)
  - AA.exe (PID: 6756)
  - AA.exe (PID: 6936)
- Checks proxy server information
  - AA.exe (PID: 6512)
- Reads the computer name
  - AA.exe (PID: 6904)
  - AA.exe (PID: 6756)
  - AA.exe (PID: 6936)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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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:	2020:09:15 16:09:42+00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, 32-bit
PEType:	PE32
LinkerVersion:	6
CodeSize:	581632
InitializedDataSize:	258048
UninitializedDataSize:	-
EntryPoint:	0x86db8
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	3.10.0.0
ProductVersionNumber:	3.10.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
Comments:	-
CompanyName:	Ammyy LLC
FileDescription:	Ammyy Admin
FileVersion:	3.1
InternalName:	Ammyy Admin
LegalCopyright:	-
LegalTrademarks:	-
OriginalFileName:	-
PrivateBuild:	-
ProductName:	Ammyy Admin
ProductVersion:	3.1
SpecialBuild:	-

No data.

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All screenshots are available in the full report

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Total processes

130

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

6512

"C:\Users\admin\AppData\Local\Temp\AA.exe"

C:\Users\admin\AppData\Local\Temp\AA.exe

—

explorer.exe

User:

admin

Company:

Ammyy LLC

Integrity Level:

MEDIUM

Description:

Ammyy Admin

Exit code:

Version:

3.10

Modules

Images
c:\users\admin\appdata\local\temp\aa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\ws2_32.dll

6740

rundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",run

C:\Windows\System32\rundll32.exe

—

AA.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Windows host process (Rundll32)

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll

6756

"C:\Users\admin\AppData\Local\Temp\AA.exe" -elevated

C:\Users\admin\AppData\Local\Temp\AA.exe

AA.exe

User:

admin

Company:

Ammyy LLC

Integrity Level:

HIGH

Description:

Ammyy Admin

Exit code:

Version:

3.10

Modules

Images
c:\users\admin\appdata\local\temp\aa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\ws2_32.dll

6904

"C:\Users\admin\AppData\Local\Temp\AA.exe" -service -lunch

C:\Users\admin\AppData\Local\Temp\AA.exe

—

services.exe

User:

SYSTEM

Company:

Ammyy LLC

Integrity Level:

SYSTEM

Description:

Ammyy Admin

Exit code:

Version:

3.10

Modules

Images
c:\users\admin\appdata\local\temp\aa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\ws2_32.dll
c:\windows\syswow64\rpcrt4.dll

6936

"C:\Users\admin\AppData\Local\Temp\AA.exe" -elevated

C:\Users\admin\AppData\Local\Temp\AA.exe

AA.exe

User:

SYSTEM

Company:

Ammyy LLC

Integrity Level:

SYSTEM

Description:

Ammyy Admin

Version:

3.10

Modules

Images
c:\users\admin\appdata\local\temp\aa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\ws2_32.dll
c:\windows\syswow64\rpcrt4.dll

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Total events

1 166

Read events

1 163

Write events

Delete events

Modification events


(PID) Process:	(6756) AA.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\AmmyyAdmin_1A64
Operation:	delete key	Name:	(default)
Value:
(PID) Process:	(6936) AA.exe	Key:	HKEY_USERS\.DEFAULT\Software\Ammyy\Admin
Operation:	write	Name:	hr3
Value: BB58F015B548C3034CAEB75387E8C77B8633D782EA4299405A8708463D4566DD5014ED143CBC7EE1312F24261F06B6DA91DDC3853CF0EAEF038B1286FCB3A4744B9BE3
(PID) Process:	(6936) AA.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Ammyy\Admin
Operation:	write	Name:	hr3
Value: BB58F015B548C3034CAEB75387E8C77B8633D782EA4299405A8708463D4566DD5014ED143CBC7EE1312F24261F06B6DA91DDC3853CF0EAEF038B1286FCB3A4744B9BE3

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6936	AA.exe	C:\ProgramData\AMMYY\aa_nts.msg		binary
		MD5:2F0D446171630FBD6B6CC8D87EC6161E	SHA256:2635277B0926D9828A3FDAB2ABA6AEE78A615B78D6115EAF05EFC01A06B752D1
6936	AA.exe	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751		binary
		MD5:822467B728B7A66B081C91795373789A	SHA256:AF2343382B88335EEA72251AD84949E244FF54B6995063E24459A7216E9576B9
6936	AA.exe	C:\Users\admin\AppData\Local\Temp\AA.log		text
		MD5:6E064020CB4B0844C3E73FB649B42DFB	SHA256:AEF29A0C470D0A2025C237656D8EAE270239C1EEA4747C7979FB47E5BABAA984
6936	AA.exe	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\34B6AF881B9D738561FC099B83DF3A01		binary
		MD5:2FAD71D10DA26615B6613B2172A53A58	SHA256:A69C8B0AFFEFE7ABF8E294515F3B8078E41BD004AF7293C757951A2683611F3C
6936	AA.exe	C:\ProgramData\AMMYY\aa_nts.dll		executable
		MD5:480A66902E6E7CDAFAA6711E8697FF8C	SHA256:7EAAAA6010BBCD6BB8C9AD08D4B0966C7AEDC9B2AC24758F170012AC36E508B5
6936	AA.exe	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751		binary
		MD5:2AAADC3D5F4544635258D099C95CB928	SHA256:1E0239F73F571607BC7EA361F3E55862120454873D98A027E8FCE5873BA54D24
6512	AA.exe	C:\ProgramData\AMMYY\settings3.bin		binary
		MD5:B8946EDDA960DAD0F7438CD387BF1CF3	SHA256:48149E6BED76634A06EA70DDC2CD48EA187CF4D6C98802FC31EE6291A82405B3
6936	AA.exe	C:\ProgramData\AMMYY\hr3		binary
		MD5:F0E076EC5991B27DAA58B768A2661406	SHA256:493B339AC3E5BD745D4318D8FCB808F18D231E005C9DA642CF43772DAD4329CD
6936	AA.exe	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\34B6AF881B9D738561FC099B83DF3A01		binary
		MD5:4CA197C700FD4ABFC2613F906D6D1A6B	SHA256:0B42D0D2E7824DEAF352CE51C2AE34C08483510F7A289D315CFD37717CC1E8D4

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
1176	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
—	—	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6936	AA.exe	GET	200	69.192.161.44:80	http://x1.c.lencr.org/	unknown	—	—	whitelisted
—	—	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
—	—	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
6936	AA.exe	POST	200	188.42.129.148:80	http://rl.ammyy.com/	unknown	—	—	malicious
6936	AA.exe	GET	200	184.24.77.54:80	http://r11.o.lencr.org/MFMwUTBPME0wSzAJBgUrDgMCGgUABBQaUrm0WeTDM5ghfoZtS72KO9ZnzgQUCLkRO6XQhRi06g%2BgrZ%2BGHo78OCcCEgSfBEjCuhCXdl7Defz8ipA09g%3D%3D	unknown	—	—	whitelisted
6936	AA.exe	GET	301	136.243.18.118:80	http://www.ammyy.com/files/v8/aans64y2.gz	unknown	—	—	malicious
4712	MoUsoCoreWorker.exe	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:137	—	—	—	whitelisted
—	—	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4712	MoUsoCoreWorker.exe	23.48.23.156:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	23.48.23.156:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
4712	MoUsoCoreWorker.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
—	—	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
5064	SearchApp.exe	104.126.37.179:443	www.bing.com	Akamai International B.V.	DE	whitelisted
—	—	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
1176	svchost.exe	40.126.31.69:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	20.73.194.208 51.124.78.146	whitelisted
crl.microsoft.com	23.48.23.156 23.48.23.143	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
google.com	142.250.181.238	whitelisted
www.bing.com	104.126.37.179 104.126.37.145 104.126.37.129 104.126.37.177 104.126.37.137 104.126.37.136 104.126.37.147 104.126.37.176 104.126.37.123	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	40.126.31.69 20.190.159.4 20.190.159.0 20.190.159.71 20.190.159.2 20.190.159.75 40.126.31.67 20.190.159.23	whitelisted
go.microsoft.com	23.35.238.131	whitelisted
rl.ammyy.com	188.42.129.148	unknown
www.ammyy.com	136.243.18.118	malicious

Threats

PID	Process	Class	Message
6936	AA.exe	Potential Corporate Privacy Violation	ET POLICY IP Check (rl. ammyy. com)

1 ETPRO signatures available at the full report

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No debug info

General Info

AA.exe

90AADF2247149996AE443E2C82AF3730

050B7EBA825412B24E3F02D76D7DA5AE97E10502

EE573647477339784DCEF81024DE1BE1762833A20E5CC2B89A93E47D05B86B6A

24576:Uj0JJ4p/A4npt3XojeQG5EtzRtO7GvmDguXd:UjoJ4u4zojegylDN

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

AMMYY has been detected (SURICATA)

SUSPICIOUS

Application launched itself

Executes as Windows Service

Executable content was dropped or overwritten

Uses RUNDLL32.EXE to load library

Potential Corporate Privacy Violation

There is functionality for enable RDP (YARA)

Checks for external IP

There is functionality for taking screenshot (YARA)

INFO

Creates files in the program directory

Checks supported languages

Checks proxy server information

Reads the computer name

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings