Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
21/08/2024, 12:35
General
- Target Contract.exe
- Size 584KB
- Sample240821-psbndsydpc
- SHA256 ea7576fd3d76d2e4cd771d7fd7bfd33bbc91645bf176b2d3381c811cd6658e71
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.speedhouseoman.com
-
Port
587
-
Username
-
Password
SpH@0099
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zvYGBG.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zvYGBG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD26.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_gz2xofwp.0jp.ps1
tmpBD26.tmp
memory/208-8-0x0000000074B0E000-0x0000000074B0F000-memory.dmp
memory/208-9-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/208-4-0x0000000005310000-0x000000000531A000-memory.dmp
memory/208-6-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/208-5-0x00000000053F0000-0x000000000548C000-memory.dmp
memory/208-7-0x0000000005610000-0x000000000562A000-memory.dmp
memory/208-25-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/208-3-0x0000000005140000-0x00000000051D2000-memory.dmp
memory/208-10-0x0000000005750000-0x000000000575C000-memory.dmp
memory/208-11-0x0000000005760000-0x0000000005770000-memory.dmp
memory/208-12-0x0000000006450000-0x00000000064B8000-memory.dmp
memory/208-2-0x00000000057A0000-0x0000000005D44000-memory.dmp
memory/208-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp
memory/208-1-0x00000000006E0000-0x0000000000778000-memory.dmp
memory/3648-27-0x0000000005280000-0x00000000052A2000-memory.dmp
memory/3648-44-0x0000000070530000-0x000000007057C000-memory.dmp
memory/3648-67-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3648-24-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3648-64-0x0000000007790000-0x0000000007798000-memory.dmp
memory/3648-20-0x0000000005320000-0x0000000005948000-memory.dmp
memory/3648-29-0x0000000005AF0000-0x0000000005B56000-memory.dmp
memory/3648-28-0x0000000005950000-0x00000000059B6000-memory.dmp
memory/3648-19-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3648-17-0x00000000028A0000-0x00000000028D6000-memory.dmp
memory/3648-39-0x0000000005B60000-0x0000000005EB4000-memory.dmp
memory/3648-63-0x00000000077B0000-0x00000000077CA000-memory.dmp
memory/3648-41-0x0000000006120000-0x000000000613E000-memory.dmp
memory/3648-42-0x00000000061D0000-0x000000000621C000-memory.dmp
memory/3648-43-0x00000000072F0000-0x0000000007322000-memory.dmp
memory/3648-21-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3648-54-0x0000000006710000-0x000000000672E000-memory.dmp
memory/3648-55-0x0000000007330000-0x00000000073D3000-memory.dmp
memory/3648-56-0x0000000007AB0000-0x000000000812A000-memory.dmp
memory/3648-57-0x0000000007470000-0x000000000748A000-memory.dmp
memory/3648-58-0x00000000074E0000-0x00000000074EA000-memory.dmp
memory/3648-59-0x00000000076F0000-0x0000000007786000-memory.dmp
memory/3648-60-0x0000000007670000-0x0000000007681000-memory.dmp
memory/3648-61-0x00000000076A0000-0x00000000076AE000-memory.dmp
memory/3648-62-0x00000000076B0000-0x00000000076C4000-memory.dmp
memory/3968-40-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3968-26-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3968-22-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3968-68-0x0000000006240000-0x0000000006290000-memory.dmp
memory/3968-69-0x0000000006460000-0x0000000006622000-memory.dmp
memory/3968-70-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/3968-71-0x0000000074B00000-0x00000000752B0000-memory.dmp