Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
17/07/2024, 01:57
General
- Target HSBC Bank_Approvel Letter.exe
- Size 552KB
- Sample240717-cdjdgatekg
- SHA256 bed59c144540d5cd1662becc04e1d7cb2c974023ae5cc1689d6070961561d8b1
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.remfryson.com
-
Port
587
-
Username
-
Password
CnG_23*NMA
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- 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).
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\HSBC Bank_Approvel Letter.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Bank_Approvel Letter.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\iUPysTHDaLFQU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iUPysTHDaLFQU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC719.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\HSBC Bank_Approvel Letter.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Bank_Approvel Letter.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\HSBC Bank_Approvel Letter.exe"C:\Users\Admin\AppData\Local\Temp\HSBC Bank_Approvel Letter.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_vhhgdmjc.okq.ps1
tmpC719.tmp
memory/2100-6-0x0000000005130000-0x000000000514A000-memory.dmp
memory/2100-3-0x0000000004B00000-0x0000000004B92000-memory.dmp
memory/2100-4-0x0000000004BA0000-0x0000000004BAA000-memory.dmp
memory/2100-5-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2100-26-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2100-7-0x0000000005D20000-0x0000000005D2E000-memory.dmp
memory/2100-8-0x0000000005D40000-0x0000000005DA8000-memory.dmp
memory/2100-9-0x00000000084F0000-0x000000000858C000-memory.dmp
memory/2100-2-0x0000000005170000-0x0000000005714000-memory.dmp
memory/2100-1-0x0000000000080000-0x0000000000110000-memory.dmp
memory/2100-0-0x000000007509E000-0x000000007509F000-memory.dmp
memory/2252-21-0x0000000004B50000-0x0000000004BB6000-memory.dmp
memory/2252-50-0x0000000006030000-0x000000000604E000-memory.dmp
memory/2252-23-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2252-63-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2252-22-0x0000000005210000-0x0000000005276000-memory.dmp
memory/2252-25-0x0000000005340000-0x0000000005694000-memory.dmp
memory/2252-17-0x0000000004BE0000-0x0000000005208000-memory.dmp
memory/2252-16-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2252-20-0x00000000049B0000-0x00000000049D2000-memory.dmp
memory/2252-14-0x00000000044D0000-0x0000000004506000-memory.dmp
memory/2252-36-0x0000000005A80000-0x0000000005A9E000-memory.dmp
memory/2252-37-0x0000000005AB0000-0x0000000005AFC000-memory.dmp
memory/2252-60-0x00000000070D0000-0x00000000070D8000-memory.dmp
memory/2252-40-0x00000000714C0000-0x000000007150C000-memory.dmp
memory/2252-39-0x0000000006050000-0x0000000006082000-memory.dmp
memory/2252-18-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2252-51-0x0000000006C50000-0x0000000006CF3000-memory.dmp
memory/2252-52-0x00000000073F0000-0x0000000007A6A000-memory.dmp
memory/2252-53-0x0000000006DB0000-0x0000000006DCA000-memory.dmp
memory/2252-54-0x0000000006E20000-0x0000000006E2A000-memory.dmp
memory/2252-55-0x0000000007030000-0x00000000070C6000-memory.dmp
memory/2252-56-0x0000000006FB0000-0x0000000006FC1000-memory.dmp
memory/2252-57-0x0000000006FE0000-0x0000000006FEE000-memory.dmp
memory/2252-58-0x0000000006FF0000-0x0000000007004000-memory.dmp
memory/2252-59-0x00000000070F0000-0x000000000710A000-memory.dmp
memory/4600-38-0x0000000075090000-0x0000000075840000-memory.dmp
memory/4600-19-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4600-64-0x0000000006510000-0x0000000006560000-memory.dmp
memory/4600-65-0x0000000006730000-0x00000000068F2000-memory.dmp
memory/4600-66-0x0000000075090000-0x0000000075840000-memory.dmp