Analysis
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max time kernel
90s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
23/09/2022, 07:00
General
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Target
sept_23092022_receipt.exe
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Size
985KB
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MD5
59837d6d3d40cc5cc56012c3fd8badfb
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SHA1
d2d44df58a557922d8a31928943f71adb29ac8da
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SHA256
3b8dcf7047a2d9440e4809359bec667476f816e5ca27e3fed3c072c8131b77be
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SHA512
072c3bf406814d5aa20f55b9aa417da4a81146cda43198c1eac12d721ad9742c85707a8bdd99b9ba05f2b6729a74dd8fa6d475f70ad85c00f1009d2c1ce56f9d
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SSDEEP
12288:GhLuyAHHubjhcmz8JjI/h5PSJZF27x12U5eHKinZsrJPrF3AyiEAmD:GhLuyyOvamzejmtYZsvzDUZC99Ayi
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5633295549:AAH9lzzrf8Ep6i2K5UISY92DSUSu9k_w37Y/sendMessage?chat_id=5671926480
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 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\sept_23092022_receipt.exe"C:\Users\Admin\AppData\Local\Temp\sept_23092022_receipt.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\sept_23092022_receipt.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\sept_23092022_receipt.exe"C:\Users\Admin\AppData\Local\Temp\sept_23092022_receipt.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
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Filesize
216KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
40KB
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Filesize
624KB
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Filesize
408KB
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Filesize
1008KB
-
Filesize
408KB
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Filesize
304KB
-
Filesize
136KB
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Filesize
216KB
-
Filesize
120KB
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Filesize
200KB
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Filesize
6.2MB
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Filesize
120KB
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Filesize
6.5MB
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Filesize
104KB
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Filesize
40KB
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Filesize
600KB
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Filesize
56KB
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Filesize
104KB
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Filesize
32KB