Analysis
- max time kernel
115s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/03/2024, 13:22
General
- Target CamScanner.exe
- Size 681KB
- Sample240329-ql8j8aab43
- SHA256 a4dc379a6ca20fa75f16c167cb516e37866b36c845eefd7bba23df27435497df
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.speedwellabrasive.com
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Port
587
-
Username
-
Password
9723517720
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.speedwellabrasive.com
-
Port
587
-
Username
-
Password
9723517720
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Looks up external IP address via web service 2 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CamScanner.exe"C:\Users\Admin\AppData\Local\Temp\CamScanner.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\Local\Temp\CamScanner.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\kiCBVw.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\kiCBVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5525.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\CamScanner.exe"C:\Users\Admin\AppData\Local\Temp\CamScanner.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_qazmm2mu.l51.ps1
tmp5525.tmp
memory/1632-83-0x0000000007820000-0x0000000007831000-memory.dmp
memory/1632-90-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/1632-67-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1632-53-0x000000007F470000-0x000000007F480000-memory.dmp
memory/1632-51-0x0000000006390000-0x00000000063DC000-memory.dmp
memory/1632-66-0x0000000007470000-0x000000000748E000-memory.dmp
memory/1632-14-0x00000000029C0000-0x00000000029F6000-memory.dmp
memory/1632-16-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/1632-15-0x0000000005640000-0x0000000005C68000-memory.dmp
memory/1632-17-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/1632-18-0x0000000005240000-0x0000000005262000-memory.dmp
memory/1632-80-0x0000000007620000-0x000000000763A000-memory.dmp
memory/1632-54-0x0000000071A10000-0x0000000071A5C000-memory.dmp
memory/1632-26-0x0000000005D50000-0x00000000060A4000-memory.dmp
memory/1632-86-0x0000000007960000-0x000000000797A000-memory.dmp
memory/1632-85-0x0000000007860000-0x0000000007874000-memory.dmp
memory/1632-25-0x0000000002A70000-0x0000000002A80000-memory.dmp
memory/3236-5-0x00000000052B0000-0x00000000052BA000-memory.dmp
memory/3236-2-0x00000000056B0000-0x0000000005C54000-memory.dmp
memory/3236-0-0x0000000000670000-0x000000000071E000-memory.dmp
memory/3236-3-0x0000000005100000-0x0000000005192000-memory.dmp
memory/3236-4-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/3236-48-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/3236-1-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/3236-9-0x0000000008D90000-0x0000000008E2C000-memory.dmp
memory/3236-8-0x0000000006670000-0x00000000066F2000-memory.dmp
memory/3236-7-0x0000000005680000-0x000000000568C000-memory.dmp
memory/3236-6-0x0000000005520000-0x000000000553A000-memory.dmp
memory/4264-77-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/4264-81-0x00000000078C0000-0x00000000078CA000-memory.dmp
memory/4264-55-0x000000007F1D0000-0x000000007F1E0000-memory.dmp
memory/4264-52-0x00000000074B0000-0x00000000074E2000-memory.dmp
memory/4264-50-0x0000000006530000-0x000000000654E000-memory.dmp
memory/4264-78-0x0000000007700000-0x00000000077A3000-memory.dmp
memory/4264-56-0x0000000071A10000-0x0000000071A5C000-memory.dmp
memory/4264-79-0x0000000007EA0000-0x000000000851A000-memory.dmp
memory/4264-94-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/4264-19-0x0000000005D40000-0x0000000005DA6000-memory.dmp
memory/4264-82-0x0000000007AD0000-0x0000000007B66000-memory.dmp
memory/4264-21-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/4264-84-0x0000000007A80000-0x0000000007A8E000-memory.dmp
memory/4264-24-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/4264-23-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/4264-87-0x0000000007B70000-0x0000000007B78000-memory.dmp
memory/4264-22-0x0000000005EB0000-0x0000000005F16000-memory.dmp
memory/5036-49-0x0000000005850000-0x0000000005860000-memory.dmp
memory/5036-45-0x0000000000400000-0x0000000000440000-memory.dmp
memory/5036-46-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/5036-95-0x0000000007090000-0x00000000070E0000-memory.dmp
memory/5036-96-0x0000000075340000-0x0000000075AF0000-memory.dmp