Analysis

  • max time kernel
    139s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/11/2023, 13:46

General

  • Target

    tmp.exe

  • Size

    270KB

  • MD5

    b4dded313fdc038f0c45981a2066eaf9

  • SHA1

    771de00f904c789115929a68b0e26c46ebfaa229

  • SHA256

    30dccf81114caa5b3d72bc99e1f428abcea56abfbd795bd2cfa3daad84255ca5

  • SHA512

    95515bc68bc6c1d558d327031cd2668a1a8926a90a6cae6eb3c8d9cefe240bb3261e7a0937e9ee7f649a5485dacf4f08c46fb7b0706621154da7d4cf156468a5

  • SSDEEP

    3072:GgHGiSaJXXAu627/HmeSnsOGfuyMv9LMegPyii3uMgUHdpZy/BOWBvTyrMRlPnmQ:GgHGuHFRvSfGGyg5Me1p9Jubywn/bD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bretoffice.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    }&HF=G!r!_eA

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
      2⤵
        PID:4708
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2804
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:4368
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1068

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

              Filesize

              16KB

              MD5

              de71eaebc53e9c6520b9febe0d9a04b4

              SHA1

              79591c6669390d5e32ef339ef0472ce4ca14a0c7

              SHA256

              43606000790c4fb453f10900e37b9a1384aad6797ebf26183444f6ed88f6e78a

              SHA512

              ab682a16a543a5dc844ece9bfbd9e828f49da57d052fac994c56552ee5eecf628711fd6c4bd8b1909deed801845905b1bae69f64786a4f1221085c40db7b45ca

            • memory/1068-61-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-65-0x00000282840C0000-0x00000282840C1000-memory.dmp

              Filesize

              4KB

            • memory/1068-60-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-59-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-58-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-87-0x0000028284310000-0x0000028284311000-memory.dmp

              Filesize

              4KB

            • memory/1068-52-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-86-0x0000028284200000-0x0000028284201000-memory.dmp

              Filesize

              4KB

            • memory/1068-85-0x0000028284200000-0x0000028284201000-memory.dmp

              Filesize

              4KB

            • memory/1068-83-0x00000282841F0000-0x00000282841F1000-memory.dmp

              Filesize

              4KB

            • memory/1068-35-0x00000282FBE40000-0x00000282FBE50000-memory.dmp

              Filesize

              64KB

            • memory/1068-56-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-71-0x00000282FFF90000-0x00000282FFF91000-memory.dmp

              Filesize

              4KB

            • memory/1068-68-0x00000282840B0000-0x00000282840B1000-memory.dmp

              Filesize

              4KB

            • memory/1068-51-0x0000028284410000-0x0000028284411000-memory.dmp

              Filesize

              4KB

            • memory/1068-55-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-63-0x00000282840B0000-0x00000282840B1000-memory.dmp

              Filesize

              4KB

            • memory/1068-19-0x00000282FBD40000-0x00000282FBD50000-memory.dmp

              Filesize

              64KB

            • memory/1068-54-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-62-0x00000282840C0000-0x00000282840C1000-memory.dmp

              Filesize

              4KB

            • memory/1068-57-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1068-53-0x0000028284430000-0x0000028284431000-memory.dmp

              Filesize

              4KB

            • memory/1824-2-0x00007FFD85C10000-0x00007FFD866D1000-memory.dmp

              Filesize

              10.8MB

            • memory/1824-0-0x000001B872000000-0x000001B872046000-memory.dmp

              Filesize

              280KB

            • memory/1824-1-0x000001B872450000-0x000001B872490000-memory.dmp

              Filesize

              256KB

            • memory/1824-8-0x00007FFD85C10000-0x00007FFD866D1000-memory.dmp

              Filesize

              10.8MB

            • memory/1824-5-0x000001B872410000-0x000001B87241A000-memory.dmp

              Filesize

              40KB

            • memory/1824-4-0x000001B872420000-0x000001B872430000-memory.dmp

              Filesize

              64KB

            • memory/1824-3-0x000001B8723F0000-0x000001B8723F6000-memory.dmp

              Filesize

              24KB

            • memory/2804-12-0x0000000005080000-0x00000000050E6000-memory.dmp

              Filesize

              408KB

            • memory/2804-16-0x0000000006500000-0x000000000650A000-memory.dmp

              Filesize

              40KB

            • memory/2804-18-0x0000000004E60000-0x0000000004E70000-memory.dmp

              Filesize

              64KB

            • memory/2804-17-0x0000000074F80000-0x0000000075730000-memory.dmp

              Filesize

              7.7MB

            • memory/2804-15-0x0000000006550000-0x00000000065E2000-memory.dmp

              Filesize

              584KB

            • memory/2804-14-0x0000000006090000-0x000000000612C000-memory.dmp

              Filesize

              624KB

            • memory/2804-13-0x0000000005E40000-0x0000000005E90000-memory.dmp

              Filesize

              320KB

            • memory/2804-11-0x0000000004E60000-0x0000000004E70000-memory.dmp

              Filesize

              64KB

            • memory/2804-10-0x00000000054C0000-0x0000000005A64000-memory.dmp

              Filesize

              5.6MB

            • memory/2804-9-0x0000000074F80000-0x0000000075730000-memory.dmp

              Filesize

              7.7MB

            • memory/2804-6-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB