Analysis

  • max time kernel
    93s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 02:25

General

  • Target

    8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe

  • Size

    705KB

  • MD5

    fe4748a98f462363b1edecea652667e5

  • SHA1

    0d000f7ef9776870dab6e114736ca35ce411de94

  • SHA256

    8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5

  • SHA512

    b00097454e26faec77cfb0398332637a557c273ebb3ce18a5f7f0d74350a4b77079a1011563254dbf80904758d2f3e1d04727d7196901f1072968ef1ad6d438f

  • SSDEEP

    12288:IueH5qY2/Cn1N/o8l4f/VM9TmzDkRqTvE4Iakqe7D/aoQJzpmFA9L:cqNC3ovf/VqkkRqTE4Iape6oQ5gFA9

Malware Config

Extracted

Family

agenttesla

C2

https://discordapp.com/api/webhooks/1181498491458035742/1cF67FyYbH5hKZiQFxnepGP9ouAxF_JrbATJrR-c9cynhriJsqMv6wgLBGq6n67jkbl-

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.

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe
    "C:\Users\Admin\AppData\Local\Temp\8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Users\Admin\AppData\Local\Temp\8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe
      "C:\Users\Admin\AppData\Local\Temp\8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe"
      2⤵
        PID:4604
      • C:\Users\Admin\AppData\Local\Temp\8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe
        "C:\Users\Admin\AppData\Local\Temp\8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 2104
          3⤵
          • Program crash
          PID:4624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4764 -ip 4764
      1⤵
        PID:448

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8ea12aa1982462766b00b54cbc5dae14db7034f2875cc3ad555158d65df189a5.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/2816-10-0x0000000008CE0000-0x0000000008D7C000-memory.dmp

        Filesize

        624KB

      • memory/2816-16-0x0000000005100000-0x0000000005110000-memory.dmp

        Filesize

        64KB

      • memory/2816-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

        Filesize

        584KB

      • memory/2816-4-0x0000000005100000-0x0000000005110000-memory.dmp

        Filesize

        64KB

      • memory/2816-5-0x0000000004E60000-0x0000000004E6A000-memory.dmp

        Filesize

        40KB

      • memory/2816-6-0x00000000050E0000-0x00000000050FA000-memory.dmp

        Filesize

        104KB

      • memory/2816-7-0x0000000005540000-0x0000000005548000-memory.dmp

        Filesize

        32KB

      • memory/2816-11-0x0000000074480000-0x0000000074C30000-memory.dmp

        Filesize

        7.7MB

      • memory/2816-9-0x0000000006720000-0x000000000679E000-memory.dmp

        Filesize

        504KB

      • memory/2816-0-0x0000000074480000-0x0000000074C30000-memory.dmp

        Filesize

        7.7MB

      • memory/2816-8-0x0000000005550000-0x000000000555A000-memory.dmp

        Filesize

        40KB

      • memory/2816-15-0x0000000074480000-0x0000000074C30000-memory.dmp

        Filesize

        7.7MB

      • memory/2816-1-0x00000000003C0000-0x0000000000476000-memory.dmp

        Filesize

        728KB

      • memory/2816-2-0x0000000005560000-0x0000000005B04000-memory.dmp

        Filesize

        5.6MB

      • memory/4764-12-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/4764-17-0x0000000074480000-0x0000000074C30000-memory.dmp

        Filesize

        7.7MB

      • memory/4764-19-0x00000000053C0000-0x0000000005426000-memory.dmp

        Filesize

        408KB

      • memory/4764-18-0x0000000005340000-0x0000000005350000-memory.dmp

        Filesize

        64KB

      • memory/4764-20-0x0000000006A50000-0x0000000006AA0000-memory.dmp

        Filesize

        320KB

      • memory/4764-21-0x0000000074480000-0x0000000074C30000-memory.dmp

        Filesize

        7.7MB