Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
18-06-2024 17:31
General
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Target
bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe
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Size
1.1MB
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MD5
bd229dbb74bdb0ff7b1fcd5946fbf9ab
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SHA1
c0862662de74148178cecfc258c56ac877860c37
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SHA256
cc487ddc590416f6a94cc808247bbdeaf25b35cf01c41f5be2024049d7e2f61d
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SHA512
5edd6d1c69f89d63de6c6bd6ba2a6a1bdf8885c90e266f59d958c304d76a30b4c01c75cc0b1db7e6c22b2ee0af92e1133ab6b53ae512169575ccdfd027cee680
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SSDEEP
24576:OFBrny7d7eqq2Z32f5daxAosPQbN2BZdbGBjQPec:O4kV2h2fDOA9PQbSZdq5y
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main payload 6 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 1 IoCs
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Executes dropped EXE 3 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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NTFS ADS 1 IoCs
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd229dbb74bdb0ff7b1fcd5946fbf9ab_JaffaCakes118.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
- NTFS ADS
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe"C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exe" 2 2484 2406034214⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\appdata\bjsbjsf.exeFilesize
1.1MB
MD5bd229dbb74bdb0ff7b1fcd5946fbf9ab
SHA1c0862662de74148178cecfc258c56ac877860c37
SHA256cc487ddc590416f6a94cc808247bbdeaf25b35cf01c41f5be2024049d7e2f61d
SHA5125edd6d1c69f89d63de6c6bd6ba2a6a1bdf8885c90e266f59d958c304d76a30b4c01c75cc0b1db7e6c22b2ee0af92e1133ab6b53ae512169575ccdfd027cee680
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memory/2484-23-0x0000000000A60000-0x0000000000AFA000-memory.dmpFilesize
616KB
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memory/2484-43-0x0000000005460000-0x00000000054F2000-memory.dmpFilesize
584KB
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memory/2484-22-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/2484-49-0x0000000007870000-0x0000000007884000-memory.dmpFilesize
80KB
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memory/2484-20-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/2484-48-0x0000000007700000-0x0000000007750000-memory.dmpFilesize
320KB
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memory/2484-46-0x0000000006980000-0x000000000698A000-memory.dmpFilesize
40KB
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memory/2484-16-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/2484-19-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/2484-25-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/2484-24-0x0000000000A60000-0x0000000000AFA000-memory.dmpFilesize
616KB
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memory/2484-44-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/2484-40-0x00000000052B0000-0x0000000005316000-memory.dmpFilesize
408KB
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memory/2484-39-0x0000000004C50000-0x0000000004C94000-memory.dmpFilesize
272KB
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memory/2484-38-0x0000000004BB0000-0x0000000004C4C000-memory.dmpFilesize
624KB
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memory/2484-37-0x0000000004D00000-0x00000000052A4000-memory.dmpFilesize
5.6MB
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memory/3092-5-0x0000000000470000-0x0000000000471000-memory.dmpFilesize
4KB
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memory/3220-15-0x0000000000400000-0x0000000000517000-memory.dmpFilesize
1.1MB
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memory/3220-12-0x0000000000400000-0x0000000000517000-memory.dmpFilesize
1.1MB
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memory/3344-3-0x0000000002470000-0x0000000002471000-memory.dmpFilesize
4KB
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memory/3344-1-0x0000000002400000-0x0000000002410000-memory.dmpFilesize
64KB
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memory/3344-0-0x0000000000820000-0x0000000000821000-memory.dmpFilesize
4KB
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memory/3344-2-0x0000000002400000-0x0000000002410000-memory.dmpFilesize
64KB
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memory/3344-4-0x0000000000400000-0x0000000000517000-memory.dmpFilesize
1.1MB
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memory/4988-45-0x0000000000400000-0x0000000000517000-memory.dmpFilesize
1.1MB