Analysis
- max time kernel
147s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220721-en - resource tags
- submitted
30/07/2022, 14:20
General
- Target 72048e5ad3b0046d9b64912ccb567522.exe
- Size 747KB
- Sample220730-rnwtwacdaj
- SHA256 88b9c82f7ff9afcfea9d6c45cd1667d9345fa1c9ce2edcc79ed427d8b869dc6e
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
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Port
587
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Username
-
Password
LYSV$*b4
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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 3 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). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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\72048e5ad3b0046d9b64912ccb567522.exe"C:\Users\Admin\AppData\Local\Temp\72048e5ad3b0046d9b64912ccb567522.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Roaming\JeNGOlBZqdO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JeNGOlBZqdO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58AF.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\72048e5ad3b0046d9b64912ccb567522.exe"C:\Users\Admin\AppData\Local\Temp\72048e5ad3b0046d9b64912ccb567522.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp58AF.tmp
memory/932-131-0x00000000056D0000-0x0000000005C74000-memory.dmp
memory/932-132-0x0000000004FF0000-0x0000000005082000-memory.dmp
memory/932-133-0x0000000002A10000-0x0000000002A1A000-memory.dmp
memory/932-134-0x00000000074B0000-0x000000000754C000-memory.dmp
memory/932-135-0x000000000B200000-0x000000000B266000-memory.dmp
memory/932-130-0x0000000000500000-0x00000000005C2000-memory.dmp
memory/3140-146-0x0000000006890000-0x0000000006A52000-memory.dmp
memory/3140-142-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4328-141-0x00000000052D0000-0x00000000058F8000-memory.dmp
memory/4328-148-0x0000000070A10000-0x0000000070A5C000-memory.dmp
memory/4328-143-0x0000000005130000-0x0000000005152000-memory.dmp
memory/4328-144-0x0000000005B00000-0x0000000005B66000-memory.dmp
memory/4328-145-0x0000000006200000-0x000000000621E000-memory.dmp
memory/4328-147-0x00000000067E0000-0x0000000006812000-memory.dmp
memory/4328-138-0x0000000004C20000-0x0000000004C56000-memory.dmp
memory/4328-149-0x0000000006750000-0x000000000676E000-memory.dmp
memory/4328-150-0x0000000007B50000-0x00000000081CA000-memory.dmp
memory/4328-151-0x0000000007500000-0x000000000751A000-memory.dmp
memory/4328-152-0x0000000007580000-0x000000000758A000-memory.dmp
memory/4328-153-0x0000000007780000-0x0000000007816000-memory.dmp
memory/4328-154-0x0000000007730000-0x000000000773E000-memory.dmp
memory/4328-155-0x0000000007840000-0x000000000785A000-memory.dmp
memory/4328-156-0x0000000007820000-0x0000000007828000-memory.dmp