Analysis

  • max time kernel
    34s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 12:36

General

  • Target

    54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe

  • Size

    1.1MB

  • MD5

    39f497b2105f95ecb36ea2915c63e5d1

  • SHA1

    46d0194da9cbc26bb284e4d0fd75a27e9de7c02f

  • SHA256

    54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da

  • SHA512

    b1430b63be3e83b32473490da06da95ca562b914eead736a7b108b97ef160d08a37ec67a0d2006e2a31f88c6e5613ad7ebe88eddc48a4c78907554c15577b584

  • SSDEEP

    24576:401tD/F2k78gfdqpcorMhs0YdWdfIHdsu:dngk78gtoYsTEGHu

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1176429134898020432/cPdjbD_Jd6tHuXHaAcUkw8Ux2HgFm62NqS6ypJrgGOfLFFHLCw7nHGxroy1KhvCf5Kj5

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\54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe
    "C:\Users\Admin\AppData\Local\Temp\54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe
      "C:\Users\Admin\AppData\Local\Temp\54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 2104
        3⤵
        • Program crash
        PID:1664
    • C:\Users\Admin\AppData\Local\Temp\54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe
      "C:\Users\Admin\AppData\Local\Temp\54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe"
      2⤵
        PID:1516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 940 -ip 940
      1⤵
        PID:3808

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\54ce95d725c09dd032c5ded51dc6e2a6640cfeafced81b587c61c9fe14d2a7da.exe.log

        Filesize

        1KB

        MD5

        b7b9acb869ccc7f7ecb5304ec0384dee

        SHA1

        6a90751c95817903ee833d59a0abbef425a613b3

        SHA256

        8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

        SHA512

        7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

      • memory/940-22-0x0000000074D30000-0x00000000754E0000-memory.dmp

        Filesize

        7.7MB

      • memory/940-21-0x0000000006050000-0x00000000060A0000-memory.dmp

        Filesize

        320KB

      • memory/940-14-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/940-19-0x00000000050C0000-0x00000000050D0000-memory.dmp

        Filesize

        64KB

      • memory/940-20-0x0000000005280000-0x00000000052E6000-memory.dmp

        Filesize

        408KB

      • memory/940-17-0x0000000074D30000-0x00000000754E0000-memory.dmp

        Filesize

        7.7MB

      • memory/5044-5-0x00000000056B0000-0x00000000056C0000-memory.dmp

        Filesize

        64KB

      • memory/5044-7-0x0000000008370000-0x0000000008388000-memory.dmp

        Filesize

        96KB

      • memory/5044-9-0x0000000006B30000-0x0000000006B3A000-memory.dmp

        Filesize

        40KB

      • memory/5044-10-0x000000000DA50000-0x000000000DACC000-memory.dmp

        Filesize

        496KB

      • memory/5044-11-0x0000000011290000-0x000000001132C000-memory.dmp

        Filesize

        624KB

      • memory/5044-12-0x0000000074D30000-0x00000000754E0000-memory.dmp

        Filesize

        7.7MB

      • memory/5044-13-0x00000000056B0000-0x00000000056C0000-memory.dmp

        Filesize

        64KB

      • memory/5044-8-0x000000000AA40000-0x000000000AA46000-memory.dmp

        Filesize

        24KB

      • memory/5044-6-0x0000000006120000-0x000000000612A000-memory.dmp

        Filesize

        40KB

      • memory/5044-0-0x0000000074D30000-0x00000000754E0000-memory.dmp

        Filesize

        7.7MB

      • memory/5044-4-0x00000000056C0000-0x0000000005A14000-memory.dmp

        Filesize

        3.3MB

      • memory/5044-18-0x0000000074D30000-0x00000000754E0000-memory.dmp

        Filesize

        7.7MB

      • memory/5044-3-0x0000000005570000-0x0000000005602000-memory.dmp

        Filesize

        584KB

      • memory/5044-2-0x0000000005A80000-0x0000000006024000-memory.dmp

        Filesize

        5.6MB

      • memory/5044-1-0x0000000000A40000-0x0000000000B68000-memory.dmp

        Filesize

        1.2MB