Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
09/06/2024, 01:49
General
- Target STATEMENT OF ACCOUNT.exe
- Size 779KB
- Sample240609-b83vxsce39
- SHA256 113e56cc0bb3dca13bf13c0e47a25b102b4f8e7af8b156fc7e6fcd76ba40c8ff
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.springandsummer.lk
-
Port
587
-
Username
-
Password
anu##323
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.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\STATEMENT OF ACCOUNT.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\uZkgoYezLmlkkl.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uZkgoYezLmlkkl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8434.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_kwo1ytxn.gso.ps1
tmp8434.tmp
memory/1048-75-0x0000000007850000-0x0000000007ECA000-memory.dmp
memory/1048-23-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/1048-92-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/1048-84-0x00000000074D0000-0x00000000074D8000-memory.dmp
memory/1048-83-0x0000000007590000-0x00000000075AA000-memory.dmp
memory/1048-82-0x0000000007490000-0x00000000074A4000-memory.dmp
memory/1048-80-0x0000000007450000-0x0000000007461000-memory.dmp
memory/1048-79-0x00000000074F0000-0x0000000007586000-memory.dmp
memory/1048-16-0x0000000004950000-0x0000000004986000-memory.dmp
memory/1048-18-0x0000000004FC0000-0x00000000055E8000-memory.dmp
memory/1048-52-0x0000000006E70000-0x0000000006EA2000-memory.dmp
memory/1048-19-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/1048-22-0x0000000005760000-0x00000000057C6000-memory.dmp
memory/1048-51-0x0000000005F80000-0x0000000005FCC000-memory.dmp
memory/1048-20-0x0000000004F10000-0x0000000004F32000-memory.dmp
memory/1048-53-0x0000000071650000-0x000000007169C000-memory.dmp
memory/1048-32-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/1048-74-0x0000000006EB0000-0x0000000006F53000-memory.dmp
memory/1048-65-0x0000000006E50000-0x0000000006E6E000-memory.dmp
memory/1048-50-0x0000000005EE0000-0x0000000005EFE000-memory.dmp
memory/1048-21-0x00000000056F0000-0x0000000005756000-memory.dmp
memory/4060-7-0x0000000006590000-0x00000000065A6000-memory.dmp
memory/4060-17-0x00000000752EE000-0x00000000752EF000-memory.dmp
memory/4060-48-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/4060-6-0x0000000005990000-0x000000000599A000-memory.dmp
memory/4060-1-0x0000000000D90000-0x0000000000E54000-memory.dmp
memory/4060-3-0x0000000005840000-0x00000000058D2000-memory.dmp
memory/4060-2-0x0000000005DF0000-0x0000000006394000-memory.dmp
memory/4060-10-0x0000000006E60000-0x0000000006EE4000-memory.dmp
memory/4060-11-0x00000000096A0000-0x000000000973C000-memory.dmp
memory/4060-9-0x0000000006E00000-0x0000000006E10000-memory.dmp
memory/4060-5-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/4060-4-0x0000000005A60000-0x0000000005DB4000-memory.dmp
memory/4060-8-0x0000000006DF0000-0x0000000006DFE000-memory.dmp
memory/4060-0-0x00000000752EE000-0x00000000752EF000-memory.dmp
memory/4248-46-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/4248-81-0x0000000007C20000-0x0000000007C2E000-memory.dmp
memory/4248-76-0x00000000079F0000-0x0000000007A0A000-memory.dmp
memory/4248-49-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/4248-87-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/4248-63-0x0000000071650000-0x000000007169C000-memory.dmp
memory/4248-77-0x0000000007A70000-0x0000000007A7A000-memory.dmp
memory/4248-44-0x00000000752E0000-0x0000000075A90000-memory.dmp
memory/5072-88-0x0000000006670000-0x00000000066C0000-memory.dmp
memory/5072-45-0x0000000000400000-0x0000000000442000-memory.dmp