Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 01:50

General

  • Target

    a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe

  • Size

    844KB

  • MD5

    869b99c46c9bc8c7a6586ed3090c9fce

  • SHA1

    c2568abbf4a8ba33349be44cbb0244b5b7962f93

  • SHA256

    a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f

  • SHA512

    dc664e156f6fc1fa1a4e6a088f7123fb870b6f1b4f0bc0d9362605ba45aa30521ca57b45db77990c8a917f151b60bdfd1b7a09975ae2af90af7d490cbeaf045d

  • SSDEEP

    12288:B13V27YuPOq0BtHx6BSCw4A1IOZaEA4g4PTdK3lPY1MsOeBlkciDWB:33YjUHKVwp1bZaegidK1g1MsOeBlS

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5807029869:AAGsxVSshZSRiafw59B7rpMV8iPr8cSTNyg/

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Local\Temp\a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe
      "C:\Users\Admin\AppData\Local\Temp\a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe"
      2⤵
        PID:3572
      • C:\Users\Admin\AppData\Local\Temp\a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe
        "C:\Users\Admin\AppData\Local\Temp\a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:212
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:4704
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2776

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a0a48111d3e46bcee758b5c247fa0d3444ff79db4681e8ec78319a70eb8cf54f.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/212-19-0x0000000005350000-0x0000000005360000-memory.dmp

        Filesize

        64KB

      • memory/212-10-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/212-13-0x0000000075150000-0x0000000075900000-memory.dmp

        Filesize

        7.7MB

      • memory/212-18-0x0000000075150000-0x0000000075900000-memory.dmp

        Filesize

        7.7MB

      • memory/212-17-0x0000000006AB0000-0x0000000006B00000-memory.dmp

        Filesize

        320KB

      • memory/212-15-0x0000000005350000-0x0000000005360000-memory.dmp

        Filesize

        64KB

      • memory/212-16-0x0000000005460000-0x00000000054C6000-memory.dmp

        Filesize

        408KB

      • memory/2776-54-0x000002405EF20000-0x000002405EF21000-memory.dmp

        Filesize

        4KB

      • memory/2776-20-0x0000024056A80000-0x0000024056A90000-memory.dmp

        Filesize

        64KB

      • memory/2776-55-0x000002405EF20000-0x000002405EF21000-memory.dmp

        Filesize

        4KB

      • memory/2776-56-0x000002405F030000-0x000002405F031000-memory.dmp

        Filesize

        4KB

      • memory/2776-52-0x000002405EEF0000-0x000002405EEF1000-memory.dmp

        Filesize

        4KB

      • memory/2776-36-0x0000024056B80000-0x0000024056B90000-memory.dmp

        Filesize

        64KB

      • memory/4684-7-0x0000000005A80000-0x0000000005A8A000-memory.dmp

        Filesize

        40KB

      • memory/4684-0-0x0000000000BF0000-0x0000000000CC8000-memory.dmp

        Filesize

        864KB

      • memory/4684-5-0x0000000005750000-0x000000000575A000-memory.dmp

        Filesize

        40KB

      • memory/4684-4-0x0000000005650000-0x0000000005660000-memory.dmp

        Filesize

        64KB

      • memory/4684-1-0x0000000075150000-0x0000000075900000-memory.dmp

        Filesize

        7.7MB

      • memory/4684-6-0x0000000005A50000-0x0000000005A66000-memory.dmp

        Filesize

        88KB

      • memory/4684-9-0x0000000008360000-0x00000000083FC000-memory.dmp

        Filesize

        624KB

      • memory/4684-2-0x0000000005D30000-0x00000000062D4000-memory.dmp

        Filesize

        5.6MB

      • memory/4684-3-0x00000000056B0000-0x0000000005742000-memory.dmp

        Filesize

        584KB

      • memory/4684-8-0x0000000006BB0000-0x0000000006C2C000-memory.dmp

        Filesize

        496KB

      • memory/4684-14-0x0000000075150000-0x0000000075900000-memory.dmp

        Filesize

        7.7MB