Analysis
- max time kernel
141s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
31/08/2024, 00:50
General
- Target cbf7a0288f26fe463d44267a6d739c24_JaffaCakes118.exe
- Size 1.6MB
- Sample240831-a6767awbpb
- SHA256 308361b8590182650646d2ef51c21778bed0bb6ef363df907a15bbe45994a5e6
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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\cbf7a0288f26fe463d44267a6d739c24_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cbf7a0288f26fe463d44267a6d739c24_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
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FGDNXvrKIYCS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C65.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\cbf7a0288f26fe463d44267a6d739c24_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cbf7a0288f26fe463d44267a6d739c24_JaffaCakes118.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\cbf7a0288f26fe463d44267a6d739c24_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cbf7a0288f26fe463d44267a6d739c24_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
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-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4444,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cbf7a0288f26fe463d44267a6d739c24_JaffaCakes118.exe.log
tmp2C65.tmp
memory/676-8-0x0000000005170000-0x00000000051C6000-memory.dmp
memory/676-9-0x0000000005470000-0x0000000005488000-memory.dmp
memory/676-4-0x0000000005530000-0x0000000005AD4000-memory.dmp
memory/676-5-0x0000000075070000-0x0000000075820000-memory.dmp
memory/676-6-0x0000000004F80000-0x0000000005012000-memory.dmp
memory/676-7-0x0000000004BA0000-0x0000000004BAA000-memory.dmp
memory/676-25-0x0000000075070000-0x0000000075820000-memory.dmp
memory/676-3-0x0000000004EE0000-0x0000000004F7C000-memory.dmp
memory/676-10-0x000000007507E000-0x000000007507F000-memory.dmp
memory/676-11-0x0000000075070000-0x0000000075820000-memory.dmp
memory/676-12-0x0000000006B10000-0x0000000006BC0000-memory.dmp
memory/676-14-0x0000000006C50000-0x0000000006CEC000-memory.dmp
memory/676-13-0x00000000054B0000-0x00000000054B6000-memory.dmp
memory/676-2-0x0000000007060000-0x0000000007220000-memory.dmp
memory/676-0-0x000000007507E000-0x000000007507F000-memory.dmp
memory/676-1-0x0000000000010000-0x00000000001B6000-memory.dmp
memory/3624-20-0x0000000000400000-0x000000000049A000-memory.dmp
memory/3624-24-0x00000000056F0000-0x0000000005734000-memory.dmp
memory/3624-26-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-27-0x00000000057A0000-0x0000000005806000-memory.dmp
memory/3624-23-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-28-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-29-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-30-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-31-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-33-0x00000000084F0000-0x0000000008540000-memory.dmp
memory/3624-34-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-35-0x0000000007230000-0x0000000007244000-memory.dmp
memory/3624-46-0x0000000075070000-0x0000000075820000-memory.dmp
memory/3624-47-0x0000000075070000-0x0000000075820000-memory.dmp