Malware Analysis Report

2025-01-23 11:50

Sample ID 241214-q877zawkcj
Target ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118
SHA256 9b09e534cb648efcc4e433ef991a1e754fed130a4600faafc3455484cc9747ec
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

9b09e534cb648efcc4e433ef991a1e754fed130a4600faafc3455484cc9747ec

Threat Level: Known bad

The file ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin flawedammyy discovery trojan

AmmyyAdmin payload

FlawedAmmyy RAT

Ammyyadmin family

Flawedammyy family

Checks computer location settings

Drops file in System32 directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Modifies data under HKEY_USERS

Modifies system certificate store

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-14 13:57

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-14 13:57

Reported

2024-12-14 13:59

Platform

win7-20241010-en

Max time kernel

150s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Flawedammyy family

flawedammyy

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.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\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\34B6AF881B9D738561FC099B83DF3A01 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\34B6AF881B9D738561FC099B83DF3A01 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.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\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadDecisionTime = 70ddbd11304edb01 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\12-5b-e8-4d-80-ae C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F} C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadDecisionReason = "1" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae\WpadDecision = "0" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae\WpadDecisionReason = "1" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae\WpadDecisionTime = 70ddbd11304edb01 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadNetworkName = "Network 3" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadDecision = "0" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.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\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe"

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
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
FR 96.17.206.28:80 r11.o.lencr.org tcp
NL 188.42.129.148:80 rl.ammyy.com tcp
DE 136.243.18.118:80 www.ammyy.com tcp
DE 136.243.18.118:443 www.ammyy.com tcp
NL 188.42.129.148:80 rl.ammyy.com tcp
DE 136.243.18.118:80 www.ammyy.com tcp
DE 136.243.18.118:443 www.ammyy.com tcp

Files

C:\ProgramData\AMMYY\settings.bin

MD5 54ae4af418cd6540012968b7ddb0b3fa
SHA1 15b454bc0c29bc078e1b9bae24835ca902dc1de1
SHA256 4f5d33415e62339ef6f891a1f38e8d70cf8fa35ac37d8753cb6142c535497df6
SHA512 c46f93cd74c53e25c7240af7977b3524de67f2b0da4da7579cafccd2813345941318d9707fe75c9e9e26292ef7ca09b98bc48771db7d501d43f5863536a346d7

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-14 13:57

Reported

2024-12-14 13:59

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe"

Signatures

FlawedAmmyy RAT

trojan flawedammyy

Flawedammyy family

flawedammyy

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.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\INetCache\Content.IE5 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\34B6AF881B9D738561FC099B83DF3A01 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\34B6AF881B9D738561FC099B83DF3A01 C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.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\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef18c0cfe98199f30ff9a635bb598621_JaffaCakes118.exe"

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
US 8.8.8.8:53 www.ammyy.com udp
DE 136.243.18.118:80 www.ammyy.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 148.129.42.188.in-addr.arpa udp
DE 136.243.18.118:443 www.ammyy.com tcp
US 8.8.8.8:53 r11.o.lencr.org udp
FR 96.17.206.24:80 r11.o.lencr.org tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 118.18.243.136.in-addr.arpa udp
US 8.8.8.8:53 54.141.51.184.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 24.206.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
NL 188.42.129.148:80 rl.ammyy.com tcp
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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

C:\ProgramData\AMMYY\settings.bin

MD5 54ae4af418cd6540012968b7ddb0b3fa
SHA1 15b454bc0c29bc078e1b9bae24835ca902dc1de1
SHA256 4f5d33415e62339ef6f891a1f38e8d70cf8fa35ac37d8753cb6142c535497df6
SHA512 c46f93cd74c53e25c7240af7977b3524de67f2b0da4da7579cafccd2813345941318d9707fe75c9e9e26292ef7ca09b98bc48771db7d501d43f5863536a346d7