Analysis

  • max time kernel
    125s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 16:16

General

  • Target

    3d3bbefe3649e755efcae85beea48af371b2375111e78edc4210bfd28f267365.exe

  • Size

    1.1MB

  • MD5

    f1fe20dfa9660c5ce9a87d5850b20aa8

  • SHA1

    bd9f15cdecb423363942371ce71b49bd263c9c34

  • SHA256

    3d3bbefe3649e755efcae85beea48af371b2375111e78edc4210bfd28f267365

  • SHA512

    c1bf47db3acdf2d09a82c21612e356a8470036eb1966738292a9bbd4612e473ee60e0006527b8d633cb87ba7dec9d85697cd2ff9aa80a43dd1b24aea9a7f6be2

  • SSDEEP

    24576:0AHnh+eWsN3skA4RV1Hom2KXMmHamIg+7XMaHxnW1HH8t5S5:Dh+ZkldoPK8Yam38LxWZ1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    x6p2^m#1#~+O

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d3bbefe3649e755efcae85beea48af371b2375111e78edc4210bfd28f267365.exe
    "C:\Users\Admin\AppData\Local\Temp\3d3bbefe3649e755efcae85beea48af371b2375111e78edc4210bfd28f267365.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\3d3bbefe3649e755efcae85beea48af371b2375111e78edc4210bfd28f267365.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 696
      2⤵
      • Program crash
      PID:2528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 3056
    1⤵
      PID:2840
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3472,i,3833046924978547022,12404847742964713612,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:8
      1⤵
        PID:60

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2200-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2200-12-0x00000000741AE000-0x00000000741AF000-memory.dmp

        Filesize

        4KB

      • memory/2200-13-0x0000000005CF0000-0x0000000006294000-memory.dmp

        Filesize

        5.6MB

      • memory/2200-14-0x00000000057B0000-0x0000000005816000-memory.dmp

        Filesize

        408KB

      • memory/2200-15-0x00000000741A0000-0x0000000074950000-memory.dmp

        Filesize

        7.7MB

      • memory/2200-16-0x0000000006940000-0x0000000006990000-memory.dmp

        Filesize

        320KB

      • memory/2200-17-0x0000000006A30000-0x0000000006AC2000-memory.dmp

        Filesize

        584KB

      • memory/2200-18-0x00000000069C0000-0x00000000069CA000-memory.dmp

        Filesize

        40KB

      • memory/2200-19-0x00000000741AE000-0x00000000741AF000-memory.dmp

        Filesize

        4KB

      • memory/2200-20-0x00000000741A0000-0x0000000074950000-memory.dmp

        Filesize

        7.7MB

      • memory/3056-10-0x0000000001110000-0x0000000001114000-memory.dmp

        Filesize

        16KB