Analysis

  • max time kernel
    104s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 05:41

General

  • Target

    99677c9af723d0773f67fe035205dbbd9d857022b1619fc33fd83808072d2caa.exe

  • Size

    542KB

  • MD5

    055e5476942818329e232d273578a1c3

  • SHA1

    dd1b9aa4a8b359f8e88b0562e642f76294b579d1

  • SHA256

    99677c9af723d0773f67fe035205dbbd9d857022b1619fc33fd83808072d2caa

  • SHA512

    6c877468562c7527a67433f0b9a41cfd343c6ab0727a17ad238af512b867dca486b46c8ebb7b8cd6367bfbb5f1997d30e4ea99492686691778f9792d66cc4734

  • SSDEEP

    12288:2Pz7kFLaghtSwkVaN9ozd5YA1XCQJet5Uep:ua2+Sr4M4CX1JmUK

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99677c9af723d0773f67fe035205dbbd9d857022b1619fc33fd83808072d2caa.exe
    "C:\Users\Admin\AppData\Local\Temp\99677c9af723d0773f67fe035205dbbd9d857022b1619fc33fd83808072d2caa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" 東б屁एचтぎ儿ト丽-東б屁एचтぎ儿ト丽E東б屁एचтぎ儿ト丽x東б屁एचтぎ儿ト丽e東б屁एचтぎ儿ト丽c東б屁एचтぎ儿ト丽u東б屁एचтぎ儿ト丽t東б屁एचтぎ儿ト丽i東б屁एचтぎ儿ト丽o東б屁एचтぎ儿ト丽n東б屁एचтぎ儿ト丽P東б屁एचтぎ儿ト丽o東б屁एचтぎ儿ト丽l東б屁एचтぎ儿ト丽i東б屁एचтぎ儿ト丽c東б屁एचтぎ儿ト丽y東б屁एचтぎ儿ト丽 東б屁एचтぎ儿ト丽B東б屁एचтぎ儿ト丽y東б屁एचтぎ儿ト丽p東б屁एचтぎ儿ト丽a東б屁एचтぎ儿ト丽s東б屁एचтぎ儿ト丽s東б屁एचтぎ儿ト丽 東б屁एचтぎ儿ト丽-東б屁एचтぎ儿ト丽c東б屁एचтぎ儿ト丽o東б屁एचтぎ儿ト丽m東б屁एचтぎ儿ト丽m東б屁एचтぎ儿ト丽a東б屁एचтぎ儿ト丽n東б屁एचтぎ儿ト丽d 東б屁एचтぎ儿トC東б屁एचтぎ儿トo東б屁एचтぎ儿トp東б屁एचтぎ儿トy東б屁एचтぎ儿ト-東б屁एचтぎ儿トI東б屁एचтぎ儿トt東б屁एचтぎ儿トe東б屁एचтぎ儿トm 'C:\Users\Admin\AppData\Local\Temp\99677c9af723d0773f67fe035205dbbd9d857022b1619fc33fd83808072d2caa.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\command-line.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5072
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2448
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4636
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:3816
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4840

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vkgkjprs.fcf.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/912-32-0x0000000074C00000-0x00000000753B0000-memory.dmp

          Filesize

          7.7MB

        • memory/912-0-0x0000000000890000-0x000000000091E000-memory.dmp

          Filesize

          568KB

        • memory/912-3-0x0000000005350000-0x00000000053E2000-memory.dmp

          Filesize

          584KB

        • memory/912-4-0x0000000005310000-0x0000000005320000-memory.dmp

          Filesize

          64KB

        • memory/912-5-0x0000000005300000-0x000000000530A000-memory.dmp

          Filesize

          40KB

        • memory/912-6-0x00000000055B0000-0x0000000005606000-memory.dmp

          Filesize

          344KB

        • memory/912-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp

          Filesize

          5.6MB

        • memory/912-7-0x00000000056C0000-0x000000000575C000-memory.dmp

          Filesize

          624KB

        • memory/912-1-0x0000000074C00000-0x00000000753B0000-memory.dmp

          Filesize

          7.7MB

        • memory/912-27-0x0000000005320000-0x000000000532A000-memory.dmp

          Filesize

          40KB

        • memory/4840-60-0x0000000005DD0000-0x0000000005E20000-memory.dmp

          Filesize

          320KB

        • memory/4840-62-0x0000000004B10000-0x0000000004B20000-memory.dmp

          Filesize

          64KB

        • memory/4840-30-0x0000000004B10000-0x0000000004B20000-memory.dmp

          Filesize

          64KB

        • memory/4840-61-0x0000000074C00000-0x00000000753B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4840-29-0x0000000074C00000-0x00000000753B0000-memory.dmp

          Filesize

          7.7MB

        • memory/4840-28-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/5072-9-0x0000000074C00000-0x00000000753B0000-memory.dmp

          Filesize

          7.7MB

        • memory/5072-48-0x0000000007B90000-0x000000000820A000-memory.dmp

          Filesize

          6.5MB

        • memory/5072-25-0x0000000006220000-0x000000000623E000-memory.dmp

          Filesize

          120KB

        • memory/5072-24-0x0000000005D70000-0x00000000060C4000-memory.dmp

          Filesize

          3.3MB

        • memory/5072-19-0x0000000005C00000-0x0000000005C66000-memory.dmp

          Filesize

          408KB

        • memory/5072-13-0x0000000005B90000-0x0000000005BF6000-memory.dmp

          Filesize

          408KB

        • memory/5072-12-0x0000000005370000-0x0000000005392000-memory.dmp

          Filesize

          136KB

        • memory/5072-33-0x000000007F450000-0x000000007F460000-memory.dmp

          Filesize

          64KB

        • memory/5072-34-0x00000000067F0000-0x0000000006822000-memory.dmp

          Filesize

          200KB

        • memory/5072-35-0x00000000708F0000-0x000000007093C000-memory.dmp

          Filesize

          304KB

        • memory/5072-45-0x0000000006830000-0x000000000684E000-memory.dmp

          Filesize

          120KB

        • memory/5072-46-0x0000000007410000-0x00000000074B3000-memory.dmp

          Filesize

          652KB

        • memory/5072-47-0x0000000002920000-0x0000000002930000-memory.dmp

          Filesize

          64KB

        • memory/5072-26-0x0000000006250000-0x000000000629C000-memory.dmp

          Filesize

          304KB

        • memory/5072-49-0x0000000007550000-0x000000000756A000-memory.dmp

          Filesize

          104KB

        • memory/5072-50-0x00000000075C0000-0x00000000075CA000-memory.dmp

          Filesize

          40KB

        • memory/5072-51-0x00000000077D0000-0x0000000007866000-memory.dmp

          Filesize

          600KB

        • memory/5072-52-0x0000000007750000-0x0000000007761000-memory.dmp

          Filesize

          68KB

        • memory/5072-53-0x0000000007780000-0x000000000778E000-memory.dmp

          Filesize

          56KB

        • memory/5072-54-0x0000000007790000-0x00000000077A4000-memory.dmp

          Filesize

          80KB

        • memory/5072-55-0x0000000007890000-0x00000000078AA000-memory.dmp

          Filesize

          104KB

        • memory/5072-56-0x0000000007870000-0x0000000007878000-memory.dmp

          Filesize

          32KB

        • memory/5072-59-0x0000000074C00000-0x00000000753B0000-memory.dmp

          Filesize

          7.7MB

        • memory/5072-11-0x00000000053F0000-0x0000000005A18000-memory.dmp

          Filesize

          6.2MB

        • memory/5072-10-0x0000000002920000-0x0000000002930000-memory.dmp

          Filesize

          64KB

        • memory/5072-8-0x0000000002930000-0x0000000002966000-memory.dmp

          Filesize

          216KB