Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 01:58

General

  • Target

    db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe

  • Size

    619KB

  • MD5

    c7ccd6f20a8823292de551558f4c800d

  • SHA1

    21fdbfc05880349c3142cbd81b7e730dbd3b6519

  • SHA256

    db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6

  • SHA512

    d99203b937997242466ee5d9f940455b88c137528996ac24a28c6832b22f9ae2b03ccd12ac3df838243a37e75ecfa8563dddead74af1fbbfed567c982f7ad0dd

  • SSDEEP

    12288:m07kvZsu2BNGp1e5tDbXZz73ftkdjQwIbhlEqbffAxrtOhE4Z:m0oZwCe51XZ/tkdRqbff25

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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 2 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe
    "C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.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:224
    • 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\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KNKQeCkus.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KNKQeCkus" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD254.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4048
    • C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe
      "C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
      2⤵
        PID:2708
      • C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe
        "C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
        2⤵
          PID:4420
        • C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe
          "C:\Users\Admin\AppData\Local\Temp\db7308540dbe1895e72ec124ae574fca2b219afbf13924d1e52b06c1b535b9d6.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1520

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      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

        a439bfa3db8533ff1f7c1f0b6be57976

        SHA1

        3c455003e8c6afca935ad4819e74b136fba1733b

        SHA256

        e36ed3a1b62fb70bd7790ef659ba083817ad339db7ec214498f7599dc260d11a

        SHA512

        45d4fa9d8e08c5e01d4f261f5c5f41ad1aa4c366421bbb793d2c812801b715ee97209a1fe47c777afa72d9379308024061bb4da973bedf94426f1db885b1d542

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ictzlxv.jvg.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpD254.tmp

        Filesize

        1KB

        MD5

        c298d8b03a92d9ba0c59fc78e42e0c7b

        SHA1

        4cefac3d104eafffd483de90b40e324452618f80

        SHA256

        110f907c0d37bade425aa68795815eba84aaf095755b24fd04346986589e5b45

        SHA512

        d153b6daadb5e37036260b8cd652ae97b11f4f51c8981b5c4cbeabc82e1064ac344ac4b798c6375b0662f86789b5d55a24b19d36a2f835b140f4c68bc8adf685

      • memory/224-7-0x00000000061D0000-0x0000000006252000-memory.dmp

        Filesize

        520KB

      • memory/224-2-0x0000000005260000-0x0000000005804000-memory.dmp

        Filesize

        5.6MB

      • memory/224-6-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

        Filesize

        64KB

      • memory/224-43-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/224-8-0x0000000009C40000-0x0000000009CDC000-memory.dmp

        Filesize

        624KB

      • memory/224-4-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/224-0-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/224-1-0x00000000001C0000-0x0000000000262000-memory.dmp

        Filesize

        648KB

      • memory/224-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

        Filesize

        584KB

      • memory/224-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp

        Filesize

        40KB

      • memory/1388-21-0x0000000005B90000-0x0000000005BF6000-memory.dmp

        Filesize

        408KB

      • memory/1388-45-0x00000000069B0000-0x00000000069FC000-memory.dmp

        Filesize

        304KB

      • memory/1388-20-0x00000000054F0000-0x0000000005556000-memory.dmp

        Filesize

        408KB

      • memory/1388-77-0x0000000007A70000-0x0000000007A78000-memory.dmp

        Filesize

        32KB

      • memory/1388-17-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/1388-76-0x0000000007A90000-0x0000000007AAA000-memory.dmp

        Filesize

        104KB

      • memory/1388-83-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/1388-71-0x00000000077C0000-0x00000000077CA000-memory.dmp

        Filesize

        40KB

      • memory/1388-44-0x0000000006430000-0x000000000644E000-memory.dmp

        Filesize

        120KB

      • memory/1388-19-0x0000000005350000-0x0000000005372000-memory.dmp

        Filesize

        136KB

      • memory/1388-75-0x0000000007990000-0x00000000079A4000-memory.dmp

        Filesize

        80KB

      • memory/1388-74-0x0000000007980000-0x000000000798E000-memory.dmp

        Filesize

        56KB

      • memory/1388-57-0x0000000070B40000-0x0000000070B8C000-memory.dmp

        Filesize

        304KB

      • memory/1388-73-0x0000000007950000-0x0000000007961000-memory.dmp

        Filesize

        68KB

      • memory/1388-68-0x0000000007640000-0x00000000076E3000-memory.dmp

        Filesize

        652KB

      • memory/1388-69-0x0000000007D90000-0x000000000840A000-memory.dmp

        Filesize

        6.5MB

      • memory/1388-70-0x0000000007750000-0x000000000776A000-memory.dmp

        Filesize

        104KB

      • memory/1520-41-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/1520-85-0x0000000007020000-0x0000000007070000-memory.dmp

        Filesize

        320KB

      • memory/2112-72-0x0000000007EB0000-0x0000000007F46000-memory.dmp

        Filesize

        600KB

      • memory/2112-46-0x0000000007A80000-0x0000000007AB2000-memory.dmp

        Filesize

        200KB

      • memory/2112-58-0x0000000007A60000-0x0000000007A7E000-memory.dmp

        Filesize

        120KB

      • memory/2112-47-0x0000000070B40000-0x0000000070B8C000-memory.dmp

        Filesize

        304KB

      • memory/2112-40-0x0000000006520000-0x0000000006874000-memory.dmp

        Filesize

        3.3MB

      • memory/2112-15-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/2112-16-0x0000000005C30000-0x0000000006258000-memory.dmp

        Filesize

        6.2MB

      • memory/2112-14-0x0000000002FF0000-0x0000000003026000-memory.dmp

        Filesize

        216KB

      • memory/2112-13-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB

      • memory/2112-84-0x00007FFF2ECF0000-0x00007FFF2EEE5000-memory.dmp

        Filesize

        2.0MB