Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 17:55

General

  • Target

    5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe

  • Size

    686KB

  • MD5

    f6e02bb059c25f2ec8b7ba6377f6513e

  • SHA1

    99beb70b4587e1c0d480303a572ce37df1124d58

  • SHA256

    5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f

  • SHA512

    0077b1c72f2b3f3af61c0c05515d9601c452bed0ca8d0fbfd9e9750b0d7518d2c0544fd134b4e07a2d72f7941240d76af960e56ed26768d0d8f9819a16f7280f

  • SSDEEP

    12288:AMcopox4ZDusU/lXmOQYwYsako7rtTRwyt2ZvEuv8BtXOUcUO9xcK:+ewX8kk8HC3c

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    nl10.nlkoddos.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    k[yH!8Z$AE;d

Extracted

Family

agenttesla

Credentials

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe
    "C:\Users\Admin\AppData\Local\Temp\5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3808
    • C:\Users\Admin\AppData\Local\Temp\5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe
      "C:\Users\Admin\AppData\Local\Temp\5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe"
      2⤵
        PID:3396
      • C:\Users\Admin\AppData\Local\Temp\5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe
        "C:\Users\Admin\AppData\Local\Temp\5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3792

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5e34fe6ea5ee7b8093f2b8e827441b7ccdf1cd11480bfd974e38ce047d91058f.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3792-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3792-20-0x0000000005300000-0x0000000005310000-memory.dmp

      Filesize

      64KB

    • memory/3792-19-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/3792-18-0x00000000069E0000-0x0000000006A30000-memory.dmp

      Filesize

      320KB

    • memory/3792-17-0x0000000005380000-0x00000000053E6000-memory.dmp

      Filesize

      408KB

    • memory/3792-16-0x0000000005300000-0x0000000005310000-memory.dmp

      Filesize

      64KB

    • memory/3792-14-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/3808-5-0x0000000004F20000-0x0000000004F2A000-memory.dmp

      Filesize

      40KB

    • memory/3808-9-0x0000000006940000-0x00000000069BA000-memory.dmp

      Filesize

      488KB

    • memory/3808-10-0x0000000006A60000-0x0000000006AFC000-memory.dmp

      Filesize

      624KB

    • memory/3808-8-0x00000000049D0000-0x00000000049DA000-memory.dmp

      Filesize

      40KB

    • memory/3808-7-0x0000000004FE0000-0x0000000004FE6000-memory.dmp

      Filesize

      24KB

    • memory/3808-6-0x0000000006540000-0x0000000006558000-memory.dmp

      Filesize

      96KB

    • memory/3808-15-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/3808-0-0x0000000000470000-0x0000000000520000-memory.dmp

      Filesize

      704KB

    • memory/3808-4-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

      Filesize

      64KB

    • memory/3808-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

      Filesize

      584KB

    • memory/3808-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

      Filesize

      5.6MB

    • memory/3808-1-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB