Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
27-05-2024 04:35
General
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Target
77eabe305a2c72f81baa439936fc2a2c_JaffaCakes118.exe
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Size
987KB
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MD5
77eabe305a2c72f81baa439936fc2a2c
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SHA1
38ae1b72357d8660a633d6c66efbb28bb57795ca
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SHA256
cfedb16bb7f771abbecc56b51883dbb212e87d811ecba361084ff95e0b208b88
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SHA512
7d1756a5d69a4d82c89e6ae7846e0ee0c966c3569244ba42a765c72c5cefb4bbaa3ba7e9b1ab890f14166b75d020ffd9f08ea1fb56672ee30e366efb575d8c09
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SSDEEP
24576:PrYUhzRsCg6Yn++QKS7x0MZm4NE03w/o6:D+Cg6KbbgLmgsw6
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 8 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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Loads dropped DLL 4 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 35 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 18 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\77eabe305a2c72f81baa439936fc2a2c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\77eabe305a2c72f81baa439936fc2a2c_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
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe"C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe"C:\Users\Admin\AppData\Roaming\appdata\fkshsks.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\fkshsks.exe"C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe" 2 2668 2593955764⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
987KB
MD577eabe305a2c72f81baa439936fc2a2c
SHA138ae1b72357d8660a633d6c66efbb28bb57795ca
SHA256cfedb16bb7f771abbecc56b51883dbb212e87d811ecba361084ff95e0b208b88
SHA5127d1756a5d69a4d82c89e6ae7846e0ee0c966c3569244ba42a765c72c5cefb4bbaa3ba7e9b1ab890f14166b75d020ffd9f08ea1fb56672ee30e366efb575d8c09
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
68KB
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Filesize
4KB
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Filesize
1012KB
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Filesize
1012KB
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Filesize
4KB
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Filesize
4KB
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Filesize
1012KB
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Filesize
68KB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
616KB
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Filesize
616KB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
272KB
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Filesize
80KB
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Filesize
1.3MB
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Filesize
1.3MB