Analysis

  • max time kernel
    141s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20-01-2021 11:09

General

  • Target

    SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe

  • Size

    941KB

  • MD5

    97faa09b0517cd09dc1ce63d8779d2ec

  • SHA1

    63525d088b820ef9dc408690b8f182e4cb3ab3bf

  • SHA256

    32c6950ed81cc73aa202e7ef3f8a99879ecf973689b433c765f4d2789872e5ef

  • SHA512

    3c70690fec6c8babc57b25169d511ce12081c12eaed958a24f3eb36429bb2fd0517b5fbd04b0af957df2580af3011cbf6311536c8d1f2112f1f39339bcf8eb9b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.epazote-lu.com
  • Port:
    587
  • Username:
    103project@epazote-lu.com
  • Password:
    XmLh^$E3

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe"
      2⤵
        PID:3536
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe"
        2⤵
          PID:3308
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1764

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      3
      T1081

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe.log
        MD5

        90acfd72f14a512712b1a7380c0faf60

        SHA1

        40ba4accb8faa75887e84fb8e38d598dc8cf0f12

        SHA256

        20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

        SHA512

        29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

      • memory/1764-13-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/1764-26-0x00000000056A1000-0x00000000056A2000-memory.dmp
        Filesize

        4KB

      • memory/1764-23-0x0000000006370000-0x0000000006371000-memory.dmp
        Filesize

        4KB

      • memory/1764-22-0x0000000005B90000-0x0000000005B91000-memory.dmp
        Filesize

        4KB

      • memory/1764-20-0x00000000056A0000-0x00000000056A1000-memory.dmp
        Filesize

        4KB

      • memory/1764-16-0x0000000073E30000-0x000000007451E000-memory.dmp
        Filesize

        6.9MB

      • memory/1764-14-0x000000000043751E-mapping.dmp
      • memory/4648-7-0x00000000051F0000-0x00000000051F1000-memory.dmp
        Filesize

        4KB

      • memory/4648-12-0x0000000005FE0000-0x000000000604F000-memory.dmp
        Filesize

        444KB

      • memory/4648-11-0x0000000005100000-0x0000000005123000-memory.dmp
        Filesize

        140KB

      • memory/4648-10-0x00000000053B0000-0x00000000053B1000-memory.dmp
        Filesize

        4KB

      • memory/4648-9-0x00000000050C0000-0x00000000050C1000-memory.dmp
        Filesize

        4KB

      • memory/4648-8-0x0000000005430000-0x0000000005431000-memory.dmp
        Filesize

        4KB

      • memory/4648-2-0x0000000073E30000-0x000000007451E000-memory.dmp
        Filesize

        6.9MB

      • memory/4648-6-0x00000000056F0000-0x00000000056F1000-memory.dmp
        Filesize

        4KB

      • memory/4648-5-0x0000000005150000-0x0000000005151000-memory.dmp
        Filesize

        4KB

      • memory/4648-3-0x00000000007C0000-0x00000000007C1000-memory.dmp
        Filesize

        4KB