Analysis

  • max time kernel
    125s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 02:24

General

  • Target

    dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe

  • Size

    987KB

  • MD5

    3efafe24f34c1b1b7f0c39943a6327d1

  • SHA1

    3c8cfac5575c18d9ffe4a181a629d4c666c77e2e

  • SHA256

    dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f

  • SHA512

    20693c27ccfdfe86ef213148ab994b72c5f3dd179d60dcb72fd0eb1af9893c02cc228d13b3ca6866550ea047662ddc6cfe6532dced9c866bb536079fa93e4a0f

  • SSDEEP

    12288:GUe1E6jD/0LyZX6NsR4hu9rGJ31I+iZxMAW/7AKrm3BTPFhW0fbgndK41155opoE:pe1tD/PZX6nhy031IL7xHJ+Q41Ve

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1178979343360348200/8srcyWnVPB1bU5zRmsxn6NwwB7kc8tq5vYwH3zqeKSI4TK9S5wTPqoF5Rmm0xCs7rA6A

Signatures

  • AgentTesla

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

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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\dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe
    "C:\Users\Admin\AppData\Local\Temp\dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Users\Admin\AppData\Local\Temp\dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe
      "C:\Users\Admin\AppData\Local\Temp\dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe"
      2⤵
        PID:4584
      • C:\Users\Admin\AppData\Local\Temp\dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe
        "C:\Users\Admin\AppData\Local\Temp\dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 1848
          3⤵
          • Program crash
          PID:3780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2164 -ip 2164
      1⤵
        PID:3572

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dfb68130df0836d5b3de13e8a51a9af8946e026923f7d7babfca446d4fdb5b5f.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/2164-12-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2164-20-0x0000000074A50000-0x0000000075200000-memory.dmp

        Filesize

        7.7MB

      • memory/2164-19-0x00000000064A0000-0x00000000064F0000-memory.dmp

        Filesize

        320KB

      • memory/2164-18-0x00000000056A0000-0x0000000005706000-memory.dmp

        Filesize

        408KB

      • memory/2164-17-0x0000000005620000-0x0000000005630000-memory.dmp

        Filesize

        64KB

      • memory/2164-15-0x0000000074A50000-0x0000000075200000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-10-0x0000000002660000-0x00000000026DC000-memory.dmp

        Filesize

        496KB

      • memory/2196-8-0x0000000005260000-0x0000000005266000-memory.dmp

        Filesize

        24KB

      • memory/2196-9-0x0000000005270000-0x000000000527A000-memory.dmp

        Filesize

        40KB

      • memory/2196-1-0x0000000074A50000-0x0000000075200000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-11-0x0000000074A50000-0x0000000075200000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-7-0x0000000005220000-0x0000000005238000-memory.dmp

        Filesize

        96KB

      • memory/2196-6-0x0000000004FE0000-0x000000000507C000-memory.dmp

        Filesize

        624KB

      • memory/2196-5-0x0000000004D30000-0x0000000004D3A000-memory.dmp

        Filesize

        40KB

      • memory/2196-16-0x0000000074A50000-0x0000000075200000-memory.dmp

        Filesize

        7.7MB

      • memory/2196-4-0x0000000004F30000-0x0000000004F40000-memory.dmp

        Filesize

        64KB

      • memory/2196-3-0x0000000004D80000-0x0000000004E12000-memory.dmp

        Filesize

        584KB

      • memory/2196-2-0x0000000005290000-0x0000000005834000-memory.dmp

        Filesize

        5.6MB

      • memory/2196-0-0x0000000000240000-0x000000000033C000-memory.dmp

        Filesize

        1008KB