Analysis

  • max time kernel
    20s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 17:30

General

  • Target

    DHLPAYMENTREQUIRED1003671162.exe

  • Size

    904KB

  • MD5

    b665055897fc3b8a557568abc0d1df34

  • SHA1

    e73d473568ddf632d898f286967d26e75b298f3d

  • SHA256

    dca9d727db76dbb43b69e5ea1911861bfdc0aa9e13b954da78bcf2a36a92a9b3

  • SHA512

    abba46a3db77a20fce957d7d684b17bb75be5aabd3281b36ae9b639ec3df76c38ce9c1e5b2bae9c3f5a87026d3596fa3ce5e46cda2aeb1f3c72db77a886fd488

  • SSDEEP

    12288:ahl5nF8/VdqrlbjGIHcSY8/TJGxE05hCr0Dr6zz/rTWrRREeeM5QlaBNdoP7r9ry:0l+qhbjGn+/1Ga05BDm3rYRR+so1q

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 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHLPAYMENTREQUIRED1003671162.exe
    "C:\Users\Admin\AppData\Local\Temp\DHLPAYMENTREQUIRED1003671162.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2424
    • 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\DHLPAYMENTREQUIRED1003671162.exe"
      2⤵
        PID:3860
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hjaFQBlmQBGbJ.exe"
        2⤵
          PID:2772
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hjaFQBlmQBGbJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C71.tmp"
          2⤵
          • Creates scheduled task(s)
          PID:4804
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
            PID:1208
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1888
              3⤵
              • Program crash
              PID:1616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1208 -ip 1208
          1⤵
            PID:2896

          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\Temp\__PSScriptPolicyTest_2oq4tjex.5tn.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp8C71.tmp

            Filesize

            1KB

            MD5

            446999df7b7894a005fa6d30b19ac185

            SHA1

            59e0b516b228bdc653c05ab7c183d916365f13a4

            SHA256

            24ae97b933e2c9f57d3da01c99ec3de68811c9e27278c0b2fcdf851d881ef96e

            SHA512

            8a384f9a418687cdeb8edd107a2dfa9a7b4dca2a16006052d36de9b341463263dc9038f48025a0222898d92c770eea07bdb2326422de9e4ece886094939d6a50

          • memory/1208-96-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/1208-26-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1208-48-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/1208-95-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2424-10-0x0000000006480000-0x000000000651C000-memory.dmp

            Filesize

            624KB

          • memory/2424-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

            Filesize

            40KB

          • memory/2424-9-0x00000000066A0000-0x000000000671C000-memory.dmp

            Filesize

            496KB

          • memory/2424-27-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

            Filesize

            64KB

          • memory/2424-8-0x0000000006360000-0x000000000636A000-memory.dmp

            Filesize

            40KB

          • memory/2424-6-0x0000000005190000-0x00000000051A8000-memory.dmp

            Filesize

            96KB

          • memory/2424-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2424-7-0x0000000006350000-0x0000000006358000-memory.dmp

            Filesize

            32KB

          • memory/2424-51-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2424-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

            Filesize

            64KB

          • memory/2424-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp

            Filesize

            584KB

          • memory/2424-1-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2424-2-0x00000000051B0000-0x0000000005754000-memory.dmp

            Filesize

            5.6MB

          • memory/2424-0-0x0000000000240000-0x0000000000328000-memory.dmp

            Filesize

            928KB

          • memory/2772-39-0x0000000005510000-0x0000000005576000-memory.dmp

            Filesize

            408KB

          • memory/2772-78-0x0000000006D00000-0x0000000006DA3000-memory.dmp

            Filesize

            652KB

          • memory/2772-17-0x0000000004D70000-0x0000000005398000-memory.dmp

            Filesize

            6.2MB

          • memory/2772-94-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2772-88-0x0000000007150000-0x0000000007158000-memory.dmp

            Filesize

            32KB

          • memory/2772-23-0x00000000009E0000-0x00000000009F0000-memory.dmp

            Filesize

            64KB

          • memory/2772-22-0x00000000009E0000-0x00000000009F0000-memory.dmp

            Filesize

            64KB

          • memory/2772-84-0x0000000007030000-0x0000000007041000-memory.dmp

            Filesize

            68KB

          • memory/2772-80-0x0000000007470000-0x0000000007AEA000-memory.dmp

            Filesize

            6.5MB

          • memory/2772-25-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2772-53-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

            Filesize

            304KB

          • memory/2772-56-0x0000000074FA0000-0x0000000074FEC000-memory.dmp

            Filesize

            304KB

          • memory/2772-66-0x00000000060B0000-0x00000000060CE000-memory.dmp

            Filesize

            120KB

          • memory/2772-54-0x000000007FBC0000-0x000000007FBD0000-memory.dmp

            Filesize

            64KB

          • memory/2772-55-0x0000000006CC0000-0x0000000006CF2000-memory.dmp

            Filesize

            200KB

          • memory/3860-52-0x0000000005F80000-0x0000000005F9E000-memory.dmp

            Filesize

            120KB

          • memory/3860-85-0x00000000074E0000-0x00000000074EE000-memory.dmp

            Filesize

            56KB

          • memory/3860-67-0x0000000074FA0000-0x0000000074FEC000-memory.dmp

            Filesize

            304KB

          • memory/3860-68-0x000000007F260000-0x000000007F270000-memory.dmp

            Filesize

            64KB

          • memory/3860-21-0x0000000002660000-0x0000000002670000-memory.dmp

            Filesize

            64KB

          • memory/3860-81-0x00000000072B0000-0x00000000072CA000-memory.dmp

            Filesize

            104KB

          • memory/3860-82-0x0000000007320000-0x000000000732A000-memory.dmp

            Filesize

            40KB

          • memory/3860-83-0x0000000007530000-0x00000000075C6000-memory.dmp

            Filesize

            600KB

          • memory/3860-50-0x0000000005AF0000-0x0000000005E44000-memory.dmp

            Filesize

            3.3MB

          • memory/3860-79-0x0000000002660000-0x0000000002670000-memory.dmp

            Filesize

            64KB

          • memory/3860-86-0x00000000074F0000-0x0000000007504000-memory.dmp

            Filesize

            80KB

          • memory/3860-87-0x00000000075F0000-0x000000000760A000-memory.dmp

            Filesize

            104KB

          • memory/3860-19-0x0000000002660000-0x0000000002670000-memory.dmp

            Filesize

            64KB

          • memory/3860-40-0x0000000005980000-0x00000000059E6000-memory.dmp

            Filesize

            408KB

          • memory/3860-93-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/3860-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/3860-24-0x0000000005800000-0x0000000005822000-memory.dmp

            Filesize

            136KB

          • memory/3860-15-0x00000000026B0000-0x00000000026E6000-memory.dmp

            Filesize

            216KB