Analysis

  • max time kernel
    144s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2024, 12:35

General

  • Target
    rRemittanceadvicefor20240222.exe
  • Size 734KB
  • Sample240222-psb9xshe64
  • SHA256 5f439e4e2bf01c647d8a2a425e0dfb03f3b6234f13de2cc6015f7c57eaa40290
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

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.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rRemittanceadvicefor20240222.exe
    "C:\Users\Admin\AppData\Local\Temp\rRemittanceadvicefor20240222.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2988
    • 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\rRemittanceadvicefor20240222.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3700
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cbNBsR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0CD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cbNBsR.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3616
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4644

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 4953e982ae8559f4617c33b66060c1d51d3f273fd3f025683a0ada8f9b218c4e
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_ckr0x3i0.3vm.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ckr0x3i0.3vm.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmpD0CD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpD0CD.tmp
          • Size 1KB
          • SHA256 06dd0274a7aa1c1f55e6e7121e70f7cae8fb3b8281e63ac79e3908bfd3303158
          • MD5 SHA1 SHA512

          memory/2988-10-0x0000000008C30000-0x0000000008CCC000-memory.dmp

          memory/2988-20-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/2988-5-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

          memory/2988-6-0x00000000052A0000-0x00000000052C0000-memory.dmp

          memory/2988-7-0x0000000006150000-0x000000000615E000-memory.dmp

          memory/2988-8-0x0000000006160000-0x0000000006172000-memory.dmp

          memory/2988-9-0x00000000065D0000-0x0000000006652000-memory.dmp

          memory/2988-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

          memory/2988-38-0x0000000004F00000-0x0000000004F10000-memory.dmp

          memory/2988-42-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/2988-2-0x00000000052C0000-0x0000000005864000-memory.dmp

          memory/2988-1-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/2988-0-0x0000000000350000-0x000000000040E000-memory.dmp

          memory/2988-4-0x0000000004F00000-0x0000000004F10000-memory.dmp

          memory/3616-89-0x0000000006CF0000-0x0000000006D40000-memory.dmp

          memory/3616-49-0x00000000058E0000-0x00000000058F0000-memory.dmp

          memory/3616-41-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/3616-97-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/3616-98-0x00000000058E0000-0x00000000058F0000-memory.dmp

          memory/3616-28-0x0000000000400000-0x0000000000442000-memory.dmp

          memory/3700-17-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

          memory/3700-76-0x00000000069B0000-0x00000000069CE000-memory.dmp

          memory/3700-39-0x0000000005DF0000-0x0000000006144000-memory.dmp

          memory/3700-27-0x0000000005D80000-0x0000000005DE6000-memory.dmp

          memory/3700-22-0x0000000005B40000-0x0000000005B62000-memory.dmp

          memory/3700-24-0x0000000005BE0000-0x0000000005C46000-memory.dmp

          memory/3700-15-0x0000000004E10000-0x0000000004E46000-memory.dmp

          memory/3700-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/3700-53-0x00000000063F0000-0x000000000640E000-memory.dmp

          memory/3700-54-0x00000000064A0000-0x00000000064EC000-memory.dmp

          memory/3700-55-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

          memory/3700-56-0x000000007F190000-0x000000007F1A0000-memory.dmp

          memory/3700-57-0x00000000075B0000-0x00000000075E2000-memory.dmp

          memory/3700-59-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/3700-96-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/3700-18-0x00000000054E0000-0x0000000005B08000-memory.dmp

          memory/3700-58-0x0000000075450000-0x000000007549C000-memory.dmp

          memory/3700-91-0x0000000007A40000-0x0000000007A48000-memory.dmp

          memory/3700-81-0x00000000075F0000-0x0000000007693000-memory.dmp

          memory/3700-90-0x0000000007A60000-0x0000000007A7A000-memory.dmp

          memory/3700-19-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

          memory/3700-84-0x0000000007790000-0x000000000779A000-memory.dmp

          memory/3700-85-0x00000000079A0000-0x0000000007A36000-memory.dmp

          memory/3700-86-0x0000000007920000-0x0000000007931000-memory.dmp

          memory/3700-88-0x0000000007960000-0x0000000007974000-memory.dmp

          memory/4440-87-0x0000000007D60000-0x0000000007D6E000-memory.dmp

          memory/4440-83-0x0000000007B30000-0x0000000007B4A000-memory.dmp

          memory/4440-82-0x0000000008170000-0x00000000087EA000-memory.dmp

          memory/4440-26-0x00000000052B0000-0x00000000052C0000-memory.dmp

          memory/4440-61-0x0000000075450000-0x000000007549C000-memory.dmp

          memory/4440-60-0x000000007F2C0000-0x000000007F2D0000-memory.dmp

          memory/4440-95-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/4440-23-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          memory/4440-25-0x00000000052B0000-0x00000000052C0000-memory.dmp