Analysis

  • max time kernel
    131s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 10:13

General

  • Target

    39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe

  • Size

    1.5MB

  • MD5

    3711d493ece51189015ae9e2da25bef9

  • SHA1

    0235c2c6fd65a6ba5ba656c8d3fdbbc88e427126

  • SHA256

    39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a

  • SHA512

    b61a0908d38246c9e45c75749778aa10fd915545fc7ebc7234bcf2c06e04dfe2cee61f97141f43ff2821fa1a41eddb5a149a996ec7df35f98e6d9b18c43ced64

  • SSDEEP

    49152:ajVdg/P5S41dgMOjs5Ljda/pB2zhPX1jqKoe:uVq/P5XP9Ojada/WzhPFjqKoe

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 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 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 3 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
    "C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:828
    • 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\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ywHNQkbNkv.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2548
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ywHNQkbNkv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB9BB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2076
    • C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
      "C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
      2⤵
        PID:4152
      • C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
        "C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1920
        • 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\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4820
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4368
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF04B.tmp"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3976
        • C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe
          "C:\Users\Admin\AppData\Local\Temp\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a.exe.log

      Filesize

      2KB

      MD5

      8b4735243e327a8021d7dfd1fb26dff6

      SHA1

      586e761a185eaafc4fedccfcccaef900c44490a4

      SHA256

      2c6d9da0c0c25fbbefb6c18eeb0396f42a2ba0895fc21618b33f6ed5f03be666

      SHA512

      309b5bda0d0d27e7fb7730cb2f64d859d5ef3b742e0416898d369dfb105d258b7f879601bdfd53330e2bb3998a1645f1f0f7f7ea2b3b40acf0df0ee3b9e0125e

    • 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

      69be5efa7dc5a289775e91eba9ea6738

      SHA1

      d9f393a7e8a6d93294b402d7ec0156e042ac205e

      SHA256

      ccbc87a55c8547fad6a7fce7800463c4f469b840ca36ba53ba4b569da5e22533

      SHA512

      f215bbd5d56e0b00fbb70a18fbade506b74913d6a1088b2f984c94e0c31eee79b0fc9504ee2869508be80ff8c1522d0aebb855477564d59b77fd9d04e99ff2c0

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

      Filesize

      18KB

      MD5

      c66d0c3e56203217fcf5aecc4882d295

      SHA1

      259ce42de3a00a7fc700057af7dfa1da851b134a

      SHA256

      3476564d7ad9dc4ded36dade943b8c3928c6a37c608c1d67511200b831d661d2

      SHA512

      93cfa41afa1d243330cc0b5d938c27ed652baeee94343bba0ed3572991aeafc1db2f3ae826aa375e40b27d999d701af7b2c5a58e1f4b048536c0ec6418d1abef

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mhyykrqk.jqx.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB9BB.tmp

      Filesize

      1KB

      MD5

      b8a4f03687a00ac05c9663c5ba221dc3

      SHA1

      eaaacd63c1c6d7081720532b1ef4fb22c1913b32

      SHA256

      bf169283084c5e752f8f31981213cfdca3740e40b61247ead222beaadb1fba3b

      SHA512

      a470d1d113f23dcbb74f4e3cfb30602bbc97e393b28dd47564155247ee9fa5d2fb8eec36aa6dbc2e76d380ee6d91b6c7a95942a03da74a276548559301e14959

    • C:\Users\Admin\AppData\Local\Temp\tmpF04B.tmp

      Filesize

      1KB

      MD5

      33792992066fd3689f65873068f126d9

      SHA1

      621cbb6d9ad90e32453e577697b69311cd8ab86a

      SHA256

      22ee216a1fef90f9c3476c2b20c240c6759f376e6f03d55642e6bb2a3d46b558

      SHA512

      246ad0f7f8ec4091127d648dd2cddc0876d200b7bf2ea55b03ba32fc6a893f5bc7776d60dc297ee614e12069978ea3eb93a3f2b3478f72d103912c91b2a9e8c9

    • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

      Filesize

      1.5MB

      MD5

      3711d493ece51189015ae9e2da25bef9

      SHA1

      0235c2c6fd65a6ba5ba656c8d3fdbbc88e427126

      SHA256

      39454a1ce8c389d837bb510efe44858712813fd3ef611822af3a1e5b0f64f52a

      SHA512

      b61a0908d38246c9e45c75749778aa10fd915545fc7ebc7234bcf2c06e04dfe2cee61f97141f43ff2821fa1a41eddb5a149a996ec7df35f98e6d9b18c43ced64

    • memory/828-10-0x0000000006580000-0x0000000006696000-memory.dmp

      Filesize

      1.1MB

    • memory/828-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

      Filesize

      584KB

    • memory/828-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp

      Filesize

      40KB

    • memory/828-11-0x0000000008CA0000-0x0000000008D3C000-memory.dmp

      Filesize

      624KB

    • memory/828-6-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/828-4-0x0000000004BD0000-0x0000000004BEC000-memory.dmp

      Filesize

      112KB

    • memory/828-8-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/828-7-0x00000000062A0000-0x00000000062B2000-memory.dmp

      Filesize

      72KB

    • memory/828-1-0x00000000000A0000-0x000000000022C000-memory.dmp

      Filesize

      1.5MB

    • memory/828-9-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/828-50-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/828-2-0x0000000005180000-0x0000000005724000-memory.dmp

      Filesize

      5.6MB

    • memory/828-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/1920-53-0x0000000005930000-0x0000000005940000-memory.dmp

      Filesize

      64KB

    • memory/1920-93-0x0000000007260000-0x00000000072E2000-memory.dmp

      Filesize

      520KB

    • memory/1920-52-0x0000000006E80000-0x0000000006F20000-memory.dmp

      Filesize

      640KB

    • memory/1920-47-0x0000000000400000-0x00000000004D4000-memory.dmp

      Filesize

      848KB

    • memory/2548-55-0x000000006FE00000-0x000000006FE4C000-memory.dmp

      Filesize

      304KB

    • memory/2548-23-0x0000000005370000-0x0000000005392000-memory.dmp

      Filesize

      136KB

    • memory/2548-24-0x0000000005410000-0x0000000005476000-memory.dmp

      Filesize

      408KB

    • memory/2548-51-0x00000000066E0000-0x000000000672C000-memory.dmp

      Filesize

      304KB

    • memory/2548-49-0x0000000006430000-0x000000000644E000-memory.dmp

      Filesize

      120KB

    • memory/2548-91-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-27-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-25-0x0000000005C00000-0x0000000005C66000-memory.dmp

      Filesize

      408KB

    • memory/2548-21-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-65-0x0000000006A50000-0x0000000006A6E000-memory.dmp

      Filesize

      120KB

    • memory/2548-76-0x0000000007420000-0x00000000074C3000-memory.dmp

      Filesize

      652KB

    • memory/2548-54-0x00000000069F0000-0x0000000006A22000-memory.dmp

      Filesize

      200KB

    • memory/2548-77-0x0000000007750000-0x000000000776A000-memory.dmp

      Filesize

      104KB

    • memory/2548-85-0x0000000007A70000-0x0000000007A78000-memory.dmp

      Filesize

      32KB

    • memory/2548-79-0x00000000077C0000-0x00000000077CA000-memory.dmp

      Filesize

      40KB

    • memory/2548-20-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/2548-81-0x0000000007950000-0x0000000007961000-memory.dmp

      Filesize

      68KB

    • memory/2548-82-0x0000000007980000-0x000000000798E000-memory.dmp

      Filesize

      56KB

    • memory/2548-83-0x0000000007990000-0x00000000079A4000-memory.dmp

      Filesize

      80KB

    • memory/4368-133-0x00000000725F0000-0x000000007263C000-memory.dmp

      Filesize

      304KB

    • memory/4368-143-0x00000000073F0000-0x0000000007401000-memory.dmp

      Filesize

      68KB

    • memory/4368-121-0x0000000005F00000-0x0000000005F4C000-memory.dmp

      Filesize

      304KB

    • memory/4368-144-0x0000000007420000-0x0000000007434000-memory.dmp

      Filesize

      80KB

    • memory/4608-118-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4608-148-0x0000000006E40000-0x0000000006E90000-memory.dmp

      Filesize

      320KB

    • memory/4744-84-0x0000000007DB0000-0x0000000007DCA000-memory.dmp

      Filesize

      104KB

    • memory/4744-78-0x00000000080C0000-0x000000000873A000-memory.dmp

      Filesize

      6.5MB

    • memory/4744-17-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4744-33-0x00000000061A0000-0x00000000064F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4744-92-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4744-18-0x0000000005840000-0x0000000005E68000-memory.dmp

      Filesize

      6.2MB

    • memory/4744-26-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4744-16-0x0000000002E30000-0x0000000002E66000-memory.dmp

      Filesize

      216KB

    • memory/4744-80-0x0000000007CF0000-0x0000000007D86000-memory.dmp

      Filesize

      600KB

    • memory/4744-66-0x000000006FE00000-0x000000006FE4C000-memory.dmp

      Filesize

      304KB

    • memory/4744-19-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4820-132-0x0000000007320000-0x00000000073C3000-memory.dmp

      Filesize

      652KB

    • memory/4820-122-0x00000000725F0000-0x000000007263C000-memory.dmp

      Filesize

      304KB

    • memory/4820-108-0x0000000005A50000-0x0000000005DA4000-memory.dmp

      Filesize

      3.3MB