Analysis

  • max time kernel
    127s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 08:47

General

  • Target

    d54fdb5d73a15239d0d6f187dbf737cb1f5efa584c92b37d1ad64b8e076045c7.exe

  • Size

    1.1MB

  • MD5

    9270383983cd04e811a7caa8a4ee5f5b

  • SHA1

    97412ef26cbd4745b15d6e41dba416103fc98924

  • SHA256

    d54fdb5d73a15239d0d6f187dbf737cb1f5efa584c92b37d1ad64b8e076045c7

  • SHA512

    e806337642a270962193c535ca8f463bab2bb711576dde877039798ee20952d96df0c6d42c6d51e71ace83375c17e3fcd5eb83587651ec9cbf4b5b48278a39a1

  • SSDEEP

    24576:OqDEvCTbMWu7rQYlBQcBiT6rprG8asC6NRh:OTvC/MTQYxsWR7asJP

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6698844298:AAF9oR0Jf7k4zXD2nMFwUYBsEQgGIs_Be9c/

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 3 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\d54fdb5d73a15239d0d6f187dbf737cb1f5efa584c92b37d1ad64b8e076045c7.exe
    "C:\Users\Admin\AppData\Local\Temp\d54fdb5d73a15239d0d6f187dbf737cb1f5efa584c92b37d1ad64b8e076045c7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\d54fdb5d73a15239d0d6f187dbf737cb1f5efa584c92b37d1ad64b8e076045c7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 696
      2⤵
      • Program crash
      PID:4080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3968 -ip 3968
    1⤵
      PID:2980
    • 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 --no-appcompat-clear --field-trial-handle=4076,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=3808 /prefetch:8
      1⤵
        PID:1484

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3308-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3308-12-0x000000007414E000-0x000000007414F000-memory.dmp

        Filesize

        4KB

      • memory/3308-13-0x0000000005540000-0x0000000005AE4000-memory.dmp

        Filesize

        5.6MB

      • memory/3308-14-0x0000000005000000-0x0000000005066000-memory.dmp

        Filesize

        408KB

      • memory/3308-15-0x0000000074140000-0x00000000748F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3308-16-0x0000000006480000-0x00000000064D0000-memory.dmp

        Filesize

        320KB

      • memory/3308-17-0x0000000006570000-0x0000000006602000-memory.dmp

        Filesize

        584KB

      • memory/3308-18-0x0000000006500000-0x000000000650A000-memory.dmp

        Filesize

        40KB

      • memory/3308-19-0x000000007414E000-0x000000007414F000-memory.dmp

        Filesize

        4KB

      • memory/3308-20-0x0000000074140000-0x00000000748F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3968-10-0x00000000034D0000-0x00000000034D4000-memory.dmp

        Filesize

        16KB