Analysis

  • max time kernel
    75s
  • 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 04:44

General

  • Target

    Payment Advice - Advice Ref[A1T9IvYc5tfi].exe

  • Size

    696KB

  • MD5

    4e981ade4af75b762286a9c134dc3c02

  • SHA1

    13ca08fd8f8be794663a7f396f13a5352d3bb90a

  • SHA256

    db7b9213e70bb9bed60555f01c763d0be56e6cff67c8b9c8f6b4929a88f6e15c

  • SHA512

    a88da38cc544de1392da7332ee9f97dcec88e44f8d7f2f0ebd6c12326e8fe8d01ca7937646f8cdca049cbda8d98b6fe38defbd489592258a3f292f97f380be67

  • SSDEEP

    12288:ASl5nF8ZVdqrlb69kLgl8QwdGZdLi82KgnunRFhtCG3ySrGI/:hlcqhb6qgl8bGZdi8GnYRFnHiSrG8

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.

  • 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.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jfmwzZKGfB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jfmwzZKGfB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp809A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3336
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe"
      2⤵
        PID:2728
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe"
        2⤵
          PID:1228
        • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3804
        • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe"
          2⤵
            PID:2304

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hsgrkwdj.2wo.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp809A.tmp

          Filesize

          1KB

          MD5

          babfd0f24b950ba362183f9908bff71b

          SHA1

          24a0d94f9d18f058557aef0c301e67f42285cbf9

          SHA256

          ace9556a16bceeeb4329bc51c184c425bb182643c950bdd8f8e06cb3dcfe3995

          SHA512

          fa94994569edc028fd7297a868d7479de8b941ddae6f02c0d58e87cefd560855a490d3713d42fa2fc66e85e9d9b8cc3681174b604efd7b20f8c8061ccb25b10a

        • memory/3804-70-0x00000000025C0000-0x00000000025D0000-memory.dmp

          Filesize

          64KB

        • memory/3804-34-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/3804-22-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/3804-61-0x0000000005E10000-0x0000000005E60000-memory.dmp

          Filesize

          320KB

        • memory/3804-69-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/3840-5-0x0000000005230000-0x000000000523A000-memory.dmp

          Filesize

          40KB

        • memory/3840-8-0x00000000057C0000-0x00000000057CA000-memory.dmp

          Filesize

          40KB

        • memory/3840-9-0x0000000006680000-0x00000000066FA000-memory.dmp

          Filesize

          488KB

        • memory/3840-10-0x0000000006500000-0x000000000659C000-memory.dmp

          Filesize

          624KB

        • memory/3840-0-0x0000000000730000-0x00000000007E2000-memory.dmp

          Filesize

          712KB

        • memory/3840-7-0x00000000057B0000-0x00000000057B8000-memory.dmp

          Filesize

          32KB

        • memory/3840-6-0x00000000052F0000-0x0000000005308000-memory.dmp

          Filesize

          96KB

        • memory/3840-35-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/3840-4-0x00000000050F0000-0x0000000005100000-memory.dmp

          Filesize

          64KB

        • memory/3840-3-0x0000000005180000-0x0000000005212000-memory.dmp

          Filesize

          584KB

        • memory/3840-2-0x0000000005820000-0x0000000005DC4000-memory.dmp

          Filesize

          5.6MB

        • memory/3840-21-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/3840-1-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/3892-15-0x00000000052D0000-0x0000000005306000-memory.dmp

          Filesize

          216KB

        • memory/3892-55-0x0000000007AA0000-0x0000000007B43000-memory.dmp

          Filesize

          652KB

        • memory/3892-20-0x0000000005900000-0x0000000005922000-memory.dmp

          Filesize

          136KB

        • memory/3892-36-0x0000000006310000-0x0000000006376000-memory.dmp

          Filesize

          408KB

        • memory/3892-37-0x0000000006380000-0x00000000063E6000-memory.dmp

          Filesize

          408KB

        • memory/3892-38-0x00000000063F0000-0x0000000006744000-memory.dmp

          Filesize

          3.3MB

        • memory/3892-39-0x00000000068A0000-0x00000000068BE000-memory.dmp

          Filesize

          120KB

        • memory/3892-40-0x00000000068E0000-0x000000000692C000-memory.dmp

          Filesize

          304KB

        • memory/3892-41-0x000000007F2B0000-0x000000007F2C0000-memory.dmp

          Filesize

          64KB

        • memory/3892-42-0x0000000006E90000-0x0000000006EC2000-memory.dmp

          Filesize

          200KB

        • memory/3892-43-0x0000000070DA0000-0x0000000070DEC000-memory.dmp

          Filesize

          304KB

        • memory/3892-53-0x0000000006E30000-0x0000000006E4E000-memory.dmp

          Filesize

          120KB

        • memory/3892-54-0x00000000053C0000-0x00000000053D0000-memory.dmp

          Filesize

          64KB

        • memory/3892-23-0x00000000053C0000-0x00000000053D0000-memory.dmp

          Filesize

          64KB

        • memory/3892-56-0x0000000008210000-0x000000000888A000-memory.dmp

          Filesize

          6.5MB

        • memory/3892-57-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

          Filesize

          104KB

        • memory/3892-58-0x0000000007C40000-0x0000000007C4A000-memory.dmp

          Filesize

          40KB

        • memory/3892-59-0x0000000007E50000-0x0000000007EE6000-memory.dmp

          Filesize

          600KB

        • memory/3892-60-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

          Filesize

          68KB

        • memory/3892-17-0x00000000053C0000-0x00000000053D0000-memory.dmp

          Filesize

          64KB

        • memory/3892-62-0x0000000007E00000-0x0000000007E0E000-memory.dmp

          Filesize

          56KB

        • memory/3892-63-0x0000000007E10000-0x0000000007E24000-memory.dmp

          Filesize

          80KB

        • memory/3892-64-0x0000000007F10000-0x0000000007F2A000-memory.dmp

          Filesize

          104KB

        • memory/3892-65-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

          Filesize

          32KB

        • memory/3892-68-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/3892-18-0x0000000005A00000-0x0000000006028000-memory.dmp

          Filesize

          6.2MB

        • memory/3892-16-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB