Analysis

  • max time kernel
    108s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:00

General

  • Target

    FILE....bat.exe

  • Size

    702KB

  • MD5

    d8255eb607db6d8f72c2d00f189fa91e

  • SHA1

    ac959d228d425713d614e09906c969464fc1ca79

  • SHA256

    176d7732afe006497070888796728dca5773c1798b4aa603676829b956dad57e

  • SHA512

    b9f58c0c4391954ba5c01d5b23c4effac9e9240b25ffa1b3f15de196f895c8a62c12385ded7b8838af6a9c45e7cae582e143f7a468e0daf4323513e20f2c28ac

  • SSDEEP

    12288:BxhbIc9r8+HfmI+aFNco0sTYUEB7JyhxkN+sfWPk4Qud/YMjhvPie/rByY77777k:BxhXrhfl+sOo0sMjB7JyhxO+Ds4QuRYB

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\FILE....bat.exe
    "C:\Users\Admin\AppData\Local\Temp\FILE....bat.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5048
    • 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\FILE....bat.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1452
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UtuyXvTGwdN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UtuyXvTGwdN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9357.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3236
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2288
      • 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:2272

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

            Filesize

            2KB

            MD5

            968cb9309758126772781b83adb8a28f

            SHA1

            8da30e71accf186b2ba11da1797cf67f8f78b47c

            SHA256

            92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

            SHA512

            4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            18KB

            MD5

            7611be69fed64e1a73b2efc33d1f77c1

            SHA1

            f636d2a020952be60728dc453d61a66ddee8c2a6

            SHA256

            7a864787e067493a72183335eb33962e13d26229cab5ae9b853e06a991f8b0a0

            SHA512

            d5171fc840b667bda13e017e81837d9a3670c5a848364b52072b96107119e186492c59a364fe79b9c8ff6e28f20d032464e9372b52cce7fc7a12c37e3161a183

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_objrt0uc.vcd.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp9357.tmp

            Filesize

            1KB

            MD5

            823b3833fc299d430a25bf72274e56ff

            SHA1

            32a9eaab07af12445d7362704d0ff137765f4589

            SHA256

            c53014361517a134dd3b860942e996d07316256dac6b6a28f65edbac9d845f02

            SHA512

            ec02f7cdbadb39daa27fd08101a6eae355e81dfbdfe4eee81a94b2e23fc9546d9068c42c5f4ab4fc6d27b1abfb493fef61e06983f02275840040c019bb8d496c

          • memory/1452-37-0x0000000005B50000-0x0000000005EA4000-memory.dmp

            Filesize

            3.3MB

          • memory/1452-69-0x0000000007710000-0x00000000077A6000-memory.dmp

            Filesize

            600KB

          • memory/1452-87-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/1452-84-0x00000000077D0000-0x00000000077D8000-memory.dmp

            Filesize

            32KB

          • memory/1452-83-0x00000000077F0000-0x000000000780A000-memory.dmp

            Filesize

            104KB

          • memory/1452-81-0x00000000076E0000-0x00000000076EE000-memory.dmp

            Filesize

            56KB

          • memory/1452-80-0x00000000076B0000-0x00000000076C1000-memory.dmp

            Filesize

            68KB

          • memory/1452-68-0x0000000007500000-0x000000000750A000-memory.dmp

            Filesize

            40KB

          • memory/1452-16-0x0000000002880000-0x00000000028B6000-memory.dmp

            Filesize

            216KB

          • memory/1452-17-0x00000000052F0000-0x0000000005918000-memory.dmp

            Filesize

            6.2MB

          • memory/1452-18-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/1452-19-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/1452-66-0x0000000007AD0000-0x000000000814A000-memory.dmp

            Filesize

            6.5MB

          • memory/1452-67-0x0000000007490000-0x00000000074AA000-memory.dmp

            Filesize

            104KB

          • memory/1452-64-0x0000000007330000-0x000000000734E000-memory.dmp

            Filesize

            120KB

          • memory/1452-22-0x00000000059D0000-0x00000000059F2000-memory.dmp

            Filesize

            136KB

          • memory/1452-65-0x0000000007350000-0x00000000073F3000-memory.dmp

            Filesize

            652KB

          • memory/1452-27-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/1452-23-0x0000000005A70000-0x0000000005AD6000-memory.dmp

            Filesize

            408KB

          • memory/1452-53-0x0000000006730000-0x0000000006762000-memory.dmp

            Filesize

            200KB

          • memory/1452-54-0x0000000070290000-0x00000000702DC000-memory.dmp

            Filesize

            304KB

          • memory/1452-82-0x00000000076F0000-0x0000000007704000-memory.dmp

            Filesize

            80KB

          • memory/1452-25-0x0000000005AE0000-0x0000000005B46000-memory.dmp

            Filesize

            408KB

          • memory/2272-48-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2272-92-0x0000000006270000-0x00000000062C0000-memory.dmp

            Filesize

            320KB

          • memory/4660-38-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/4660-20-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/4660-91-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/4660-51-0x00000000065C0000-0x000000000660C000-memory.dmp

            Filesize

            304KB

          • memory/4660-50-0x00000000062D0000-0x00000000062EE000-memory.dmp

            Filesize

            120KB

          • memory/4660-70-0x0000000070290000-0x00000000702DC000-memory.dmp

            Filesize

            304KB

          • memory/4660-21-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/5048-10-0x0000000008220000-0x00000000082BC000-memory.dmp

            Filesize

            624KB

          • memory/5048-8-0x0000000005070000-0x0000000005086000-memory.dmp

            Filesize

            88KB

          • memory/5048-52-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/5048-4-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/5048-24-0x0000000074A70000-0x0000000075220000-memory.dmp

            Filesize

            7.7MB

          • memory/5048-9-0x0000000005CF0000-0x0000000005D72000-memory.dmp

            Filesize

            520KB

          • memory/5048-15-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

            Filesize

            4KB

          • memory/5048-5-0x0000000004F50000-0x0000000004F5A000-memory.dmp

            Filesize

            40KB

          • memory/5048-7-0x0000000005060000-0x0000000005070000-memory.dmp

            Filesize

            64KB

          • memory/5048-6-0x0000000004F80000-0x0000000004FA0000-memory.dmp

            Filesize

            128KB

          • memory/5048-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

            Filesize

            5.6MB

          • memory/5048-1-0x00000000005D0000-0x0000000000682000-memory.dmp

            Filesize

            712KB

          • memory/5048-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

            Filesize

            4KB

          • memory/5048-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

            Filesize

            584KB