Malware Analysis Report

2024-10-16 05:08

Sample ID 240912-trjd3atbnm
Target AA_v3.exe
SHA256 357230056c30b4d7a7d697114d3d90ddc9a13dcb174a9a6d1f74c950e5bcd570
Tags
ammyyadmin flawedammyy discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

357230056c30b4d7a7d697114d3d90ddc9a13dcb174a9a6d1f74c950e5bcd570

Threat Level: Known bad

The file AA_v3.exe was found to be: Known bad.

Malicious Activity Summary

ammyyadmin flawedammyy discovery trojan

FlawedAmmyy RAT

AmmyyAdmin payload

Ammyyadmin family

Checks computer location settings

Loads dropped DLL

Drops file in System32 directory

System Location Discovery: System Language Discovery

Modifies data under HKEY_USERS

Modifies system certificate store

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-12 16:17

Signatures

AmmyyAdmin payload

Description Indicator Process Target
N/A N/A N/A N/A

Ammyyadmin family

ammyyadmin

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-12 16:17

Reported

2024-09-12 16:18

Platform

win7-20240903-en

Max time kernel

19s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A82946818BB0433A7DC1AFD2189B16AF C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A82946818BB0433A7DC1AFD2189B16AF C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F5D4FD4F-2F39-4FD7-8907-1D1F1B6F9E0E}\WpadDecision = "0" C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3d-03-6b-26-f2\WpadDecision = "0" C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F5D4FD4F-2F39-4FD7-8907-1D1F1B6F9E0E}\WpadDecisionReason = "1" C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3d-03-6b-26-f2 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F5D4FD4F-2F39-4FD7-8907-1D1F1B6F9E0E}\72-3d-03-6b-26-f2 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3d-03-6b-26-f2\WpadDecisionTime = 30611a572f05db01 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F5D4FD4F-2F39-4FD7-8907-1D1F1B6F9E0E}\WpadNetworkName = "Network 3" C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F5D4FD4F-2F39-4FD7-8907-1D1F1B6F9E0E} C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 147e63c94b5f1fd738935a5bcf45f97572657d9c16c0fdc0de4329a83720c297497a4300af6d293ac3136fcfc95f5ec2f7803d7cc65bfb2ca53e4f6a1828c85a5a7c07dc3a9ed7a9be1ac9 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\72-3d-03-6b-26-f2\WpadDecisionReason = "1" C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F5D4FD4F-2F39-4FD7-8907-1D1F1B6F9E0E}\WpadDecisionTime = 30611a572f05db01 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

C:\Windows\system32\rundll32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 rl.ammyy.com udp
NL 188.42.129.148:80 rl.ammyy.com tcp
DE 136.243.104.235:443 tcp
US 8.8.8.8:53 www.ammyy.com udp
DE 136.243.18.118:80 www.ammyy.com tcp
DE 136.243.18.118:443 www.ammyy.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 173.222.211.9:80 r11.o.lencr.org tcp

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 ac7221c691ef0a93dbbb5bee6efcb7ec
SHA1 54f197fef16badefb4bf0d7339f6bd1099e505da
SHA256 b6b033b71d3f7f92986e32a61b3244b9856e82a9c3d233696a0dfa29a517106f
SHA512 226299ab1b7b388473163f4fecc41d536755586b4c275475128c5e5946554cd9ca69df223469130d85516f2ac2330a2cb35dec2879355ea0186b63d8429dcd6b

C:\ProgramData\AMMYY\aa_nts.dll

MD5 480a66902e6e7cdafaa6711e8697ff8c
SHA1 6ac730962e7c1dba9e2ecc5733a506544f3c8d11
SHA256 7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5
SHA512 7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5

C:\ProgramData\AMMYY\aa_nts.msg

MD5 0ab38d88f71092c69f4dd2ebee87f81d
SHA1 3afa9ecd2a0e95b344a5ac5b2719dce0b9f8f6a9
SHA256 87248c17211589f790fc8db8bb15d246deacd1e254e96199e86ca2958e77a307
SHA512 1d87efe84241c6eeffa142f5978eea9a86bf74729ec3fc60f964c98a76b8293216f3f70cbb3b9d3d4e0dd1903400bdc55e39910cde0c2293e568c07d8bcd7c8e

memory/2880-20-0x0000000064200000-0x00000000642EE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-12 16:17

Reported

2024-09-12 16:20

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\AA_v3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4792 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
PID 4792 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
PID 4792 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\AA_v3.exe C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

Processes

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\AA_v3.exe

"C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 22.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

C:\ProgramData\AMMYY\settings3.bin

MD5 ac7221c691ef0a93dbbb5bee6efcb7ec
SHA1 54f197fef16badefb4bf0d7339f6bd1099e505da
SHA256 b6b033b71d3f7f92986e32a61b3244b9856e82a9c3d233696a0dfa29a517106f
SHA512 226299ab1b7b388473163f4fecc41d536755586b4c275475128c5e5946554cd9ca69df223469130d85516f2ac2330a2cb35dec2879355ea0186b63d8429dcd6b