Analysis
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max time kernel
301s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
22-11-2024 03:03
General
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Target
98aadc95c589e064a542802bbf0ef01ef00595c34d195f1a1e6443909846d2e7.exe
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Size
151KB
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MD5
993135dacbff2607839ee5a76ca06c61
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SHA1
c1a9a8cdad293887214605ca0e47f3ddfa4e1a52
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SHA256
98aadc95c589e064a542802bbf0ef01ef00595c34d195f1a1e6443909846d2e7
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SHA512
69472dc86d5d3c44742b209fb0a57ab3afd8f93d0c5adfdcd48c2e4828828309101fcb9500813044712b1bc3e85e6a2ad3e5dde5f3818fb8772f0ff5d0b873ea
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SSDEEP
3072:aMAr2Q8LH/r1GgDwheOj9Pm4uX2QZJiU8ypfoAWe:aMAaQ0D1VDwheuhJmJiU8y90
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\How to restore files.hta
class="mark">[email protected]</span>.In
Signatures
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Renames multiple (1038) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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UPX packed file 35 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Modifies Internet Explorer settings 1 TTPs 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\98aadc95c589e064a542802bbf0ef01ef00595c34d195f1a1e6443909846d2e7.exe"C:\Users\Admin\AppData\Local\Temp\98aadc95c589e064a542802bbf0ef01ef00595c34d195f1a1e6443909846d2e7.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\msiscan.exe"C:\Users\Admin\AppData\Local\msiscan.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta.exe "javascript:o=new ActiveXObject('WScript.Shell');setInterval(function(){try{o.RegWrite('HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\RunOnce\\{7EE83558-92B4-4741-8714-1DE414DEA489}','C:\\Users\\Admin\\AppData\\Local\\msiscan.exe');}catch(e){}},10);"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
MD5e782c9ef89d5d86dcaf8bffbeb57e245
SHA1d005170cf92710229ea9d71ee7afefa49878d177
SHA25640fbd7431fe37d62547b0d8a383b98a32a8027e90201b68a0235e91962ffa084
SHA5127ea1679546e198e27cc504b9444b5109d0b02a49cb56fa187d6c84ed58460ff4501426665ac9f6e1ba2f9d741617686ba150b1216b8e7d637996f3276eb2a000
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Filesize
151KB
MD5993135dacbff2607839ee5a76ca06c61
SHA1c1a9a8cdad293887214605ca0e47f3ddfa4e1a52
SHA25698aadc95c589e064a542802bbf0ef01ef00595c34d195f1a1e6443909846d2e7
SHA51269472dc86d5d3c44742b209fb0a57ab3afd8f93d0c5adfdcd48c2e4828828309101fcb9500813044712b1bc3e85e6a2ad3e5dde5f3818fb8772f0ff5d0b873ea
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB
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Filesize
300KB