Analysis
- max time kernel
150s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
17/04/2024, 12:16
General
- Target f5bf7345faf95d1997b4db8d72018a62_JaffaCakes118.exe
- Size 476KB
- Sample240417-pfvwhaed49
- SHA256 5d3e5503103fe87851128da37f39fdc2e500d7bbf9f69e681745e582db9450a5
Malware Config
Signatures
- A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 2 IoCs
- A310logger Executable 4 IoCs
- Executes dropped EXE 2 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 28 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f5bf7345faf95d1997b4db8d72018a62_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f5bf7345faf95d1997b4db8d72018a62_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f5bf7345faf95d1997b4db8d72018a62_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f5bf7345faf95d1997b4db8d72018a62_JaffaCakes118.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 804⤵
- Program crash
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1684 -ip 16841⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
MZ.exe.log
InstallUtil.exe.log
MZ.exe
memory/1492-5-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1492-9-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1492-3-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1676-55-0x00007FFFF92F0000-0x00007FFFF9C91000-memory.dmp
memory/1676-54-0x00000000010B0000-0x00000000010C0000-memory.dmp
memory/1676-53-0x00007FFFF92F0000-0x00007FFFF9C91000-memory.dmp
memory/3772-1-0x00000000004C0000-0x00000000005C0000-memory.dmp
memory/3772-2-0x0000000000F70000-0x0000000000F72000-memory.dmp
memory/4872-26-0x00007FFFF8E20000-0x00007FFFF97C1000-memory.dmp
memory/4872-27-0x0000000000A50000-0x0000000000A60000-memory.dmp
memory/4872-28-0x00007FFFF8E20000-0x00007FFFF97C1000-memory.dmp
memory/4872-32-0x00007FFFF8E20000-0x00007FFFF97C1000-memory.dmp
memory/4904-12-0x00000000742E0000-0x0000000074891000-memory.dmp
memory/4904-34-0x00000000742E0000-0x0000000074891000-memory.dmp
memory/4904-14-0x00000000011A0000-0x00000000011B0000-memory.dmp
memory/4904-13-0x00000000742E0000-0x0000000074891000-memory.dmp
memory/4904-11-0x0000000000400000-0x0000000000418000-memory.dmp
memory/4968-38-0x00000000742E0000-0x0000000074891000-memory.dmp
memory/4968-39-0x0000000001480000-0x0000000001490000-memory.dmp
memory/4968-40-0x00000000742E0000-0x0000000074891000-memory.dmp
memory/4968-56-0x00000000742E0000-0x0000000074891000-memory.dmp