Analysis
- max time kernel
93s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
16/06/2023, 11:18
General
- Target Payment receipt.exe
- Size 747KB
- Sample230616-nd92zaed4y
- SHA256 654385028b87dbf8e7387cd76dc69099cdcc344f97dc735647d429d11f7fe95f
Malware Config
Extracted
-
snakekeylogger
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Protocol
smtp
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Host
tehrannotary.com
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Port
25
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Username
-
Password
KEno1027@TT
-
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 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).
- 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 6 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\Payment receipt.exe"C:\Users\Admin\AppData\Local\Temp\Payment receipt.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\EStzsx.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\EStzsx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B56.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"C:\Users\Admin\AppData\Local\Temp\Payment 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
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Downloads
__PSScriptPolicyTest_qqybljt2.ibv.ps1
tmp2B56.tmp
memory/804-189-0x0000000004F90000-0x0000000004FA0000-memory.dmp
memory/804-188-0x0000000005FA0000-0x0000000006162000-memory.dmp
memory/804-161-0x0000000004F90000-0x0000000004FA0000-memory.dmp
memory/804-146-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2780-162-0x0000000000E30000-0x0000000000E40000-memory.dmp
memory/2780-180-0x0000000006DA0000-0x0000000006DAA000-memory.dmp
memory/2780-185-0x0000000007050000-0x0000000007058000-memory.dmp
memory/2780-184-0x0000000007070000-0x000000000708A000-memory.dmp
memory/2780-147-0x0000000004CD0000-0x00000000052F8000-memory.dmp
memory/2780-149-0x0000000004C60000-0x0000000004C82000-memory.dmp
memory/2780-155-0x0000000005370000-0x00000000053D6000-memory.dmp
memory/2780-183-0x0000000006F60000-0x0000000006F6E000-memory.dmp
memory/2780-156-0x0000000005450000-0x00000000054B6000-memory.dmp
memory/2780-182-0x0000000006FB0000-0x0000000007046000-memory.dmp
memory/2780-181-0x000000007F1B0000-0x000000007F1C0000-memory.dmp
memory/2780-163-0x0000000000E30000-0x0000000000E40000-memory.dmp
memory/2780-164-0x0000000005A20000-0x0000000005A3E000-memory.dmp
memory/2780-165-0x0000000000E30000-0x0000000000E40000-memory.dmp
memory/2780-166-0x00000000069E0000-0x0000000006A12000-memory.dmp
memory/2780-167-0x0000000070980000-0x00000000709CC000-memory.dmp
memory/2780-177-0x0000000005FE0000-0x0000000005FFE000-memory.dmp
memory/2780-178-0x0000000007380000-0x00000000079FA000-memory.dmp
memory/2780-179-0x0000000006D30000-0x0000000006D4A000-memory.dmp
memory/2780-144-0x0000000000C90000-0x0000000000CC6000-memory.dmp
memory/3100-133-0x0000000000C30000-0x0000000000CF0000-memory.dmp
memory/3100-136-0x0000000005550000-0x000000000555A000-memory.dmp
memory/3100-137-0x00000000057F0000-0x0000000005800000-memory.dmp
memory/3100-138-0x00000000057F0000-0x0000000005800000-memory.dmp
memory/3100-139-0x0000000007630000-0x00000000076CC000-memory.dmp
memory/3100-135-0x0000000005580000-0x0000000005612000-memory.dmp
memory/3100-134-0x0000000005B30000-0x00000000060D4000-memory.dmp