Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
13/08/2024, 02:49
General
- Target 91517fab796b1b5de1dd6a92da6becd5_JaffaCakes118.exe
- Size 840KB
- Sample240813-dbh6cszhnc
- SHA256 4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main payload 1 IoCs
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 42 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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\91517fab796b1b5de1dd6a92da6becd5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\91517fab796b1b5de1dd6a92da6becd5_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kQvEhJXQnYkx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA013.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\91517fab796b1b5de1dd6a92da6becd5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\91517fab796b1b5de1dd6a92da6becd5_JaffaCakes118.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
91517fab796b1b5de1dd6a92da6becd5_JaffaCakes118.exe.log
tmpA013.tmp
memory/2016-12-0x0000000006040000-0x00000000060DC000-memory.dmp
memory/2016-8-0x00000000051E0000-0x00000000051E8000-memory.dmp
memory/2016-4-0x00000000050C0000-0x0000000005152000-memory.dmp
memory/2016-5-0x0000000005000000-0x000000000500A000-memory.dmp
memory/2016-6-0x0000000005320000-0x0000000005376000-memory.dmp
memory/2016-7-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/2016-2-0x0000000005020000-0x00000000050BC000-memory.dmp
memory/2016-9-0x000000007464E000-0x000000007464F000-memory.dmp
memory/2016-10-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/2016-11-0x0000000005F90000-0x0000000006046000-memory.dmp
memory/2016-3-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/2016-0-0x000000007464E000-0x000000007464F000-memory.dmp
memory/2016-25-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/2016-1-0x00000000005A0000-0x0000000000678000-memory.dmp
memory/4540-21-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4540-24-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4540-18-0x0000000000400000-0x000000000049A000-memory.dmp
memory/4540-22-0x0000000005300000-0x0000000005344000-memory.dmp
memory/4540-23-0x00000000053B0000-0x0000000005416000-memory.dmp
memory/4540-26-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4540-27-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4540-29-0x0000000007D40000-0x0000000007D90000-memory.dmp
memory/4540-30-0x0000000006EA0000-0x0000000006EB4000-memory.dmp
memory/4540-41-0x0000000074640000-0x0000000074DF0000-memory.dmp