Analysis

  • max time kernel
    131s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-07-2021 17:51

General

  • Target

    Order 4110043899.exe

  • Size

    900KB

  • MD5

    825cbb275c093bf072f2aad913868ef8

  • SHA1

    4b2416183753e26090d043620894264fdf26f95d

  • SHA256

    d67d60c7f4d8fb4d67571d372fc1e6ebd9cf1a12e7c4223b8bb4eb16d4c96e0c

  • SHA512

    dd000ff1e7b68a90a058c7fe889bc2a79585d86972eff5a7d5dc6bff0197c662c2f1e2e85fd98ebc68d0ec5983e26d7083c5d6203669137d52d7583deb769e06

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ndn.edu.lb
  • Port:
    587
  • Username:
    chefcomptable@ndn.edu.lb
  • Password:
    Lebanon-Achrafieh-39

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order 4110043899.exe
    "C:\Users\Admin\AppData\Local\Temp\Order 4110043899.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:1528
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
          PID:3576
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "{path}"
          2⤵
            PID:1176
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "{path}"
            2⤵
            • Drops file in Drivers directory
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1324

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1324-125-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/1324-136-0x0000000005620000-0x0000000005B1E000-memory.dmp
          Filesize

          5.0MB

        • memory/1324-133-0x00000000061C0000-0x00000000061C1000-memory.dmp
          Filesize

          4KB

        • memory/1324-132-0x0000000006120000-0x0000000006121000-memory.dmp
          Filesize

          4KB

        • memory/1324-131-0x0000000005620000-0x0000000005B1E000-memory.dmp
          Filesize

          5.0MB

        • memory/1324-126-0x000000000043762E-mapping.dmp
        • memory/3008-119-0x0000000005770000-0x0000000005771000-memory.dmp
          Filesize

          4KB

        • memory/3008-122-0x0000000007CA0000-0x0000000007CA1000-memory.dmp
          Filesize

          4KB

        • memory/3008-123-0x0000000005FB0000-0x000000000602B000-memory.dmp
          Filesize

          492KB

        • memory/3008-124-0x0000000005F40000-0x0000000005F78000-memory.dmp
          Filesize

          224KB

        • memory/3008-121-0x0000000005BC0000-0x0000000005BC2000-memory.dmp
          Filesize

          8KB

        • memory/3008-120-0x0000000005780000-0x0000000005781000-memory.dmp
          Filesize

          4KB

        • memory/3008-114-0x0000000000E50000-0x0000000000E51000-memory.dmp
          Filesize

          4KB

        • memory/3008-118-0x00000000059C0000-0x00000000059C1000-memory.dmp
          Filesize

          4KB

        • memory/3008-117-0x000000000A1A0000-0x000000000A1A1000-memory.dmp
          Filesize

          4KB

        • memory/3008-116-0x00000000056E0000-0x000000000573A000-memory.dmp
          Filesize

          360KB