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Analysis

  • max time kernel
    69s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2023, 16:38

General

  • Target

    e63496b56220eda9ed49225a2bfac1a1.exe

  • Size

    876KB

  • MD5

    e63496b56220eda9ed49225a2bfac1a1

  • SHA1

    8c4a5f97dd591f8055e27d40c0b0a73952897384

  • SHA256

    5e5c1a11d54b8ba5d9f76f68599cf3854eb77fffc00cad21a33e8d5a79268894

  • SHA512

    f1894ccbc1aa00711cb563eb456a05836c1c004af70ee2e803d3a0106afb8ac90e94b702e89ee19d0dafc77c005eb201d14fd1cb9285a7220b8802bbe548b3d0

  • SSDEEP

    24576:/5mTytBIIWCyDAaZADkREq+X+aVjQj1O:omIHNDNAkTgjQj1

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e63496b56220eda9ed49225a2bfac1a1.exe
    "C:\Users\Admin\AppData\Local\Temp\e63496b56220eda9ed49225a2bfac1a1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jXtiYSdozZSeI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE062.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4520
    • C:\Users\Admin\AppData\Local\Temp\e63496b56220eda9ed49225a2bfac1a1.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4004
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XHdAzTo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B03.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2412
      • C:\Users\Admin\AppData\Local\Temp\e63496b56220eda9ed49225a2bfac1a1.exe
        "{path}"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3048

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e63496b56220eda9ed49225a2bfac1a1.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\tmp4B03.tmp

    Filesize

    1KB

    MD5

    0c27dca633338bac1b364dadf7cf27c5

    SHA1

    e51a82967ca8e67d4c3a59cb84dc039840099216

    SHA256

    36d9bebb1bc42e9cac407159ca7abb85a84716630cceadd0dc265e2e551eaba7

    SHA512

    a0ddcaa0d8b6dd0fac51766d0e709f438fe982e0848d4635e95012a6d40907d0fbda5413b1f638993d45751a3127c080e1159815814997b7234c70e13d0b50cf

  • C:\Users\Admin\AppData\Local\Temp\tmpE062.tmp

    Filesize

    1KB

    MD5

    2a5b8c9af3b65c1a7111e170c3ec6aea

    SHA1

    65c3495a41ec3655d6012068759553133e4675ed

    SHA256

    2acd75c1ce1c474d7021d0707f666a2f41ca577f04a79fdff03e5520d5735fe2

    SHA512

    e71938d3740a08a8838b336c6750cc2831ff8d8282efd178152e6fceadf65be4951b9cda0f601bc684e101ebec27843afea91ccb222ba7d9092676af34233de8

  • memory/2424-134-0x0000000004B20000-0x0000000004BBC000-memory.dmp

    Filesize

    624KB

  • memory/2424-139-0x0000000004D10000-0x0000000004D20000-memory.dmp

    Filesize

    64KB

  • memory/2424-138-0x0000000004E10000-0x0000000004E66000-memory.dmp

    Filesize

    344KB

  • memory/2424-135-0x0000000005170000-0x0000000005714000-memory.dmp

    Filesize

    5.6MB

  • memory/2424-140-0x000000007FA70000-0x000000007FA80000-memory.dmp

    Filesize

    64KB

  • memory/2424-141-0x0000000004D10000-0x0000000004D20000-memory.dmp

    Filesize

    64KB

  • memory/2424-142-0x000000007FA70000-0x000000007FA80000-memory.dmp

    Filesize

    64KB

  • memory/2424-133-0x0000000000020000-0x0000000000100000-memory.dmp

    Filesize

    896KB

  • memory/2424-137-0x0000000004AC0000-0x0000000004ACA000-memory.dmp

    Filesize

    40KB

  • memory/2424-136-0x0000000004BC0000-0x0000000004C52000-memory.dmp

    Filesize

    584KB

  • memory/3048-154-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3048-155-0x0000000005100000-0x0000000005166000-memory.dmp

    Filesize

    408KB

  • memory/3048-156-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB

  • memory/3048-158-0x0000000006410000-0x0000000006460000-memory.dmp

    Filesize

    320KB

  • memory/3048-159-0x0000000006630000-0x00000000067F2000-memory.dmp

    Filesize

    1.8MB

  • memory/3048-160-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB

  • memory/4004-150-0x00000000050B0000-0x00000000050C0000-memory.dmp

    Filesize

    64KB

  • memory/4004-149-0x00000000050B0000-0x00000000050C0000-memory.dmp

    Filesize

    64KB

  • memory/4004-146-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB