Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 17:28

General

  • Target

    700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe

  • Size

    758KB

  • MD5

    fdee1760ee8830c6406a76561e28afee

  • SHA1

    72e78f9aef571fe3bfaee794f503a8619f772f5f

  • SHA256

    700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58

  • SHA512

    5a22f1df65a2121bdca35742ea8613723ab65f6a2d6faa7c5516ba977aa084aac463aab8f9f461cba508c489b933a6974224ae929a3dee4cedaa3f451bec6131

  • SSDEEP

    12288:qfYNr4RbLxP45+po2UTi3B4NYc+vuDueVC9TWwx5Lo23bf7ssHhsJx5dPoavX+:ELk+pJUTiR4KcnaeUNh5Lo2LgEheca

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe
    "C:\Users\Admin\AppData\Local\Temp\700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FhWkeeX.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FhWkeeX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC68C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2280
    • C:\Users\Admin\AppData\Local\Temp\700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe
      "C:\Users\Admin\AppData\Local\Temp\700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe"
      2⤵
        PID:4448
      • C:\Users\Admin\AppData\Local\Temp\700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe
        "C:\Users\Admin\AppData\Local\Temp\700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2348

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\700e76e7520021aeb60b4cd42c3ab8bbd2a20fc36228ad4dfce94c927b6e7f58.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vngdiu0j.j5q.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpC68C.tmp

      Filesize

      1KB

      MD5

      88752979602b867ca18943d2b781abf7

      SHA1

      6a6d5c270b9b1b8a0025fac3ae7cd85e95bf1ab7

      SHA256

      2c152a2788eb6a309bba305c416d78bb52587d310047d0648cb308afbaab2ee4

      SHA512

      38dbbb818753f39c88aeadde3a744f26721ae74800a81f5bd739745beea0ed557de11892c0394a9e026cfa4413043117384ee4a662d022912b9990c9d52f6501

    • memory/2200-34-0x00000000055D0000-0x0000000005636000-memory.dmp

      Filesize

      408KB

    • memory/2200-18-0x0000000005040000-0x0000000005050000-memory.dmp

      Filesize

      64KB

    • memory/2200-39-0x0000000005F80000-0x00000000062D4000-memory.dmp

      Filesize

      3.3MB

    • memory/2200-69-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/2200-66-0x0000000007940000-0x0000000007948000-memory.dmp

      Filesize

      32KB

    • memory/2200-65-0x0000000007960000-0x000000000797A000-memory.dmp

      Filesize

      104KB

    • memory/2200-64-0x0000000007860000-0x0000000007874000-memory.dmp

      Filesize

      80KB

    • memory/2200-63-0x0000000007850000-0x000000000785E000-memory.dmp

      Filesize

      56KB

    • memory/2200-15-0x00000000029D0000-0x0000000002A06000-memory.dmp

      Filesize

      216KB

    • memory/2200-16-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/2200-62-0x0000000007820000-0x0000000007831000-memory.dmp

      Filesize

      68KB

    • memory/2200-41-0x00000000063C0000-0x000000000640C000-memory.dmp

      Filesize

      304KB

    • memory/2200-61-0x00000000078A0000-0x0000000007936000-memory.dmp

      Filesize

      600KB

    • memory/2200-19-0x0000000005680000-0x0000000005CA8000-memory.dmp

      Filesize

      6.2MB

    • memory/2200-58-0x0000000007690000-0x000000000769A000-memory.dmp

      Filesize

      40KB

    • memory/2200-57-0x0000000007620000-0x000000000763A000-memory.dmp

      Filesize

      104KB

    • memory/2200-56-0x0000000007C80000-0x00000000082FA000-memory.dmp

      Filesize

      6.5MB

    • memory/2200-40-0x0000000006300000-0x000000000631E000-memory.dmp

      Filesize

      120KB

    • memory/2200-55-0x00000000072D0000-0x0000000007373000-memory.dmp

      Filesize

      652KB

    • memory/2200-54-0x0000000006840000-0x000000000685E000-memory.dmp

      Filesize

      120KB

    • memory/2200-28-0x0000000005530000-0x0000000005552000-memory.dmp

      Filesize

      136KB

    • memory/2200-44-0x0000000070A10000-0x0000000070A5C000-memory.dmp

      Filesize

      304KB

    • memory/2200-43-0x0000000006860000-0x0000000006892000-memory.dmp

      Filesize

      200KB

    • memory/2200-42-0x0000000005040000-0x0000000005050000-memory.dmp

      Filesize

      64KB

    • memory/2348-59-0x00000000070E0000-0x0000000007130000-memory.dmp

      Filesize

      320KB

    • memory/2348-60-0x0000000007300000-0x00000000074C2000-memory.dmp

      Filesize

      1.8MB

    • memory/2348-70-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/2348-71-0x0000000005A90000-0x0000000005AA0000-memory.dmp

      Filesize

      64KB

    • memory/2348-21-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2348-25-0x0000000005A90000-0x0000000005AA0000-memory.dmp

      Filesize

      64KB

    • memory/2348-26-0x0000000005930000-0x0000000005996000-memory.dmp

      Filesize

      408KB

    • memory/2348-24-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/3668-2-0x0000000005D70000-0x0000000006314000-memory.dmp

      Filesize

      5.6MB

    • memory/3668-0-0x0000000000F30000-0x0000000000FF4000-memory.dmp

      Filesize

      784KB

    • memory/3668-4-0x0000000005880000-0x0000000005890000-memory.dmp

      Filesize

      64KB

    • memory/3668-27-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/3668-20-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/3668-3-0x00000000058B0000-0x0000000005942000-memory.dmp

      Filesize

      584KB

    • memory/3668-10-0x0000000006C50000-0x0000000006CEC000-memory.dmp

      Filesize

      624KB

    • memory/3668-9-0x0000000008200000-0x000000000826A000-memory.dmp

      Filesize

      424KB

    • memory/3668-8-0x0000000006B90000-0x0000000006B9A000-memory.dmp

      Filesize

      40KB

    • memory/3668-7-0x0000000006B80000-0x0000000006B88000-memory.dmp

      Filesize

      32KB

    • memory/3668-1-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/3668-5-0x0000000005A80000-0x0000000005A8A000-memory.dmp

      Filesize

      40KB

    • memory/3668-6-0x0000000008160000-0x0000000008178000-memory.dmp

      Filesize

      96KB