Analysis
- max time kernel
122s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
06/08/2024, 16:59
General
- Target purchase order.exe
- Size 798KB
- Sample240806-vhdmwsvaql
- SHA256 4fa1ca606365828c737719be7a0c944771c4c9309896a71f46decb99ff76ff30
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
Password: D4v_8+edvC?l. .
-
Email to
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\purchase order.exe"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\mkImSpoveyGtR.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mkImSpoveyGtR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC880.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\purchase order.exe"C:\Users\Admin\AppData\Local\Temp\purchase order.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
purchase order.exe.log
__PSScriptPolicyTest_lhctrgbk.f55.ps1
tmpC880.tmp
memory/3864-69-0x0000000074890000-0x0000000075040000-memory.dmp
memory/3864-24-0x0000000074890000-0x0000000075040000-memory.dmp
memory/3864-20-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3864-41-0x0000000074890000-0x0000000075040000-memory.dmp
memory/3864-67-0x00000000062E0000-0x0000000006330000-memory.dmp
memory/3864-68-0x0000000006500000-0x00000000066C2000-memory.dmp
memory/4676-5-0x0000000074890000-0x0000000075040000-memory.dmp
memory/4676-10-0x000000000DD30000-0x000000000DDCC000-memory.dmp
memory/4676-9-0x000000000AC20000-0x000000000AC88000-memory.dmp
memory/4676-8-0x0000000006CA0000-0x0000000006CB6000-memory.dmp
memory/4676-7-0x0000000006C90000-0x0000000006C9E000-memory.dmp
memory/4676-6-0x0000000008650000-0x0000000008668000-memory.dmp
memory/4676-0-0x000000007489E000-0x000000007489F000-memory.dmp
memory/4676-4-0x0000000005AD0000-0x0000000005ADA000-memory.dmp
memory/4676-3-0x0000000005A00000-0x0000000005A92000-memory.dmp
memory/4676-2-0x00000000060C0000-0x0000000006664000-memory.dmp
memory/4676-1-0x0000000000F60000-0x000000000102E000-memory.dmp
memory/4676-25-0x0000000074890000-0x0000000075040000-memory.dmp
memory/5104-28-0x00000000052D0000-0x0000000005336000-memory.dmp
memory/5104-56-0x00000000075B0000-0x00000000075CA000-memory.dmp
memory/5104-26-0x00000000051C0000-0x00000000051E2000-memory.dmp
memory/5104-23-0x0000000074890000-0x0000000075040000-memory.dmp
memory/5104-34-0x0000000005C20000-0x0000000005F74000-memory.dmp
memory/5104-19-0x0000000074890000-0x0000000075040000-memory.dmp
memory/5104-40-0x0000000006320000-0x000000000636C000-memory.dmp
memory/5104-39-0x0000000006290000-0x00000000062AE000-memory.dmp
memory/5104-42-0x0000000006860000-0x0000000006892000-memory.dmp
memory/5104-43-0x0000000070AB0000-0x0000000070AFC000-memory.dmp
memory/5104-53-0x0000000006840000-0x000000000685E000-memory.dmp
memory/5104-54-0x0000000007260000-0x0000000007303000-memory.dmp
memory/5104-55-0x0000000007C00000-0x000000000827A000-memory.dmp
memory/5104-27-0x0000000005260000-0x00000000052C6000-memory.dmp
memory/5104-57-0x0000000007620000-0x000000000762A000-memory.dmp
memory/5104-58-0x0000000007830000-0x00000000078C6000-memory.dmp
memory/5104-59-0x00000000077B0000-0x00000000077C1000-memory.dmp
memory/5104-60-0x00000000077E0000-0x00000000077EE000-memory.dmp
memory/5104-61-0x00000000077F0000-0x0000000007804000-memory.dmp
memory/5104-62-0x00000000078F0000-0x000000000790A000-memory.dmp
memory/5104-63-0x00000000078D0000-0x00000000078D8000-memory.dmp
memory/5104-66-0x0000000074890000-0x0000000075040000-memory.dmp
memory/5104-17-0x0000000074890000-0x0000000075040000-memory.dmp
memory/5104-18-0x0000000005370000-0x0000000005998000-memory.dmp
memory/5104-15-0x0000000004D00000-0x0000000004D36000-memory.dmp