Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/05/2024, 18:33

General

  • Target

    DHL Delivery Invoice AWB#7490327845.exe

  • Size

    841KB

  • MD5

    9e395ade1a50858d738607cd7a4bfd75

  • SHA1

    6da866d979a2c43cd83130c8ddf3fb96f5774a60

  • SHA256

    0fbdb7acedd6d325882de9a8a717d7ad9ae1dc9b9d8a897ada9987fae50d96e0

  • SHA512

    8c6cd4fa1b7778f620957815f5470cd40add13ab60cb1cece3633fe532d8aac0ad803e28101513a38e2450767826110cdbbd267b1131605e6df35dd06d5bdb9d

  • SSDEEP

    24576:qSR7RICpp36CYT9fhQrtO9uLRKnyCuieVd1pJ/vX:T7ppi9+ZOQRKyCzeVdPB

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice AWB#7490327845.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice AWB#7490327845.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OBwBtXA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OBwBtXA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFE2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2820
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2592
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:552

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmpFFE2.tmp

            Filesize

            1KB

            MD5

            fc394d7efddc5b42f47803fd2471974c

            SHA1

            214edf4fd834d8a1f7d670e931c75f901bdb5657

            SHA256

            f02a4162c1df6dc12bf64ebc47da9df0d4b15ef0230991f399dcda4a44d78a04

            SHA512

            8809b9ba7eb62a7669a8961654fb74519ee365baa0e8bbcf4677a85e395f19b1d40d54d0ddae49caaf343b090f2351767ce7acddd360d0226591486aed2f7f6d

          • memory/552-20-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/552-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/552-14-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/552-16-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/552-18-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/552-25-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/552-24-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/552-23-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2180-2-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB

          • memory/2180-6-0x0000000004BF0000-0x0000000004C72000-memory.dmp

            Filesize

            520KB

          • memory/2180-1-0x0000000000970000-0x0000000000A48000-memory.dmp

            Filesize

            864KB

          • memory/2180-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

            Filesize

            4KB

          • memory/2180-5-0x0000000000430000-0x0000000000440000-memory.dmp

            Filesize

            64KB

          • memory/2180-4-0x0000000000410000-0x000000000041C000-memory.dmp

            Filesize

            48KB

          • memory/2180-3-0x00000000003F0000-0x0000000000412000-memory.dmp

            Filesize

            136KB

          • memory/2180-26-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB