Analysis

  • max time kernel
    93s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 13:11

General

  • Target

    63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe

  • Size

    740KB

  • MD5

    172ee9c18f5ccdc214e7beebcf9d8778

  • SHA1

    66ac5a38d22c834aa3672961d46ff111bf67e72c

  • SHA256

    63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079

  • SHA512

    54a83a65eeeca1821b89d809ea730d640fd9511e2b29f58009eb3d8138968c28f58fbd02e08552c4ca7a0828326a8b9649c2fe146aefd0e7a318d855fde11e18

  • SSDEEP

    12288:bSG0YOwqyjo4Gzzsj+YuFVQMJ2FE0KBxHPhzbwxwJlCMo1FPpXPtH:OWO7yn+Yucbex9wqJlz

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hoangtruongphat.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hoangtruongphat818

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe
    "C:\Users\Admin\AppData\Local\Temp\63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\deZVtbExkPfJNa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\deZVtbExkPfJNa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5DB0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1032
    • C:\Users\Admin\AppData\Local\Temp\63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe
      "C:\Users\Admin\AppData\Local\Temp\63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe"
      2⤵
        PID:2600
      • C:\Users\Admin\AppData\Local\Temp\63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe
        "C:\Users\Admin\AppData\Local\Temp\63235afcdd767af4bb5bd09488642bbdfb0124e9b4066d00b4815050faae9079.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      ad1cd2aa592e4717eaab0dda1c9d4653

      SHA1

      06233f0b661f1ed65a7e275f355ce9b5f1789b8d

      SHA256

      1a237f1c6ca3c3d9a60ea5f8efaf305a82c36c40772e652e28666827de055206

      SHA512

      4c72448542f741baf946821cc4309794be823987b973d26a6e448ba7b61e7e33dd2f810d0addc5370d4c4b1ff75e280cb7c9245c12826acd1c3d95cb55926aff

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_od4djamf.21l.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp5DB0.tmp

      Filesize

      1KB

      MD5

      b3e11db13da575d9893568be974a7585

      SHA1

      4036fe8094c55792c846cefd5567bab43be5d8b1

      SHA256

      13185e900cf614820872d41c4d71b1d778c5dc641782c31c8ab739814238dd74

      SHA512

      1573c725115370426a8d728fe793dc42a594121fce53a11a2fd0d99a51da5f2cd9d2ed0dc0a4b0d28cd9775d2ae0701d2872be4a17c4c4e4876de209a87c7718

    • memory/1880-77-0x0000000006CD0000-0x0000000006D73000-memory.dmp

      Filesize

      652KB

    • memory/1880-55-0x00000000718A0000-0x00000000718EC000-memory.dmp

      Filesize

      304KB

    • memory/1880-82-0x0000000007260000-0x00000000072F6000-memory.dmp

      Filesize

      600KB

    • memory/1880-81-0x0000000007050000-0x000000000705A000-memory.dmp

      Filesize

      40KB

    • memory/1880-80-0x0000000006FE0000-0x0000000006FFA000-memory.dmp

      Filesize

      104KB

    • memory/1880-76-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/1880-43-0x0000000005770000-0x00000000057D6000-memory.dmp

      Filesize

      408KB

    • memory/1880-78-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/1880-52-0x000000007F6B0000-0x000000007F6C0000-memory.dmp

      Filesize

      64KB

    • memory/1880-83-0x00000000071E0000-0x00000000071F1000-memory.dmp

      Filesize

      68KB

    • memory/1880-53-0x0000000006C90000-0x0000000006CC2000-memory.dmp

      Filesize

      200KB

    • memory/1880-19-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/1880-20-0x0000000004920000-0x0000000004930000-memory.dmp

      Filesize

      64KB

    • memory/1880-45-0x00000000057E0000-0x0000000005B34000-memory.dmp

      Filesize

      3.3MB

    • memory/1880-84-0x0000000007210000-0x000000000721E000-memory.dmp

      Filesize

      56KB

    • memory/1880-23-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/1880-24-0x0000000005600000-0x0000000005666000-memory.dmp

      Filesize

      408KB

    • memory/1880-93-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2528-75-0x0000000006C70000-0x0000000006C8E000-memory.dmp

      Filesize

      120KB

    • memory/2528-17-0x00000000057D0000-0x0000000005DF8000-memory.dmp

      Filesize

      6.2MB

    • memory/2528-21-0x0000000005E60000-0x0000000005E82000-memory.dmp

      Filesize

      136KB

    • memory/2528-86-0x0000000007D70000-0x0000000007D8A000-memory.dmp

      Filesize

      104KB

    • memory/2528-87-0x0000000007D50000-0x0000000007D58000-memory.dmp

      Filesize

      32KB

    • memory/2528-79-0x0000000008070000-0x00000000086EA000-memory.dmp

      Filesize

      6.5MB

    • memory/2528-50-0x00000000066E0000-0x00000000066FE000-memory.dmp

      Filesize

      120KB

    • memory/2528-51-0x0000000006730000-0x000000000677C000-memory.dmp

      Filesize

      304KB

    • memory/2528-18-0x0000000005190000-0x00000000051A0000-memory.dmp

      Filesize

      64KB

    • memory/2528-16-0x0000000005190000-0x00000000051A0000-memory.dmp

      Filesize

      64KB

    • memory/2528-56-0x000000007EEF0000-0x000000007EF00000-memory.dmp

      Filesize

      64KB

    • memory/2528-85-0x0000000007C70000-0x0000000007C84000-memory.dmp

      Filesize

      80KB

    • memory/2528-54-0x00000000718A0000-0x00000000718EC000-memory.dmp

      Filesize

      304KB

    • memory/2528-15-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2528-14-0x0000000005150000-0x0000000005186000-memory.dmp

      Filesize

      216KB

    • memory/2528-94-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-95-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

      Filesize

      320KB

    • memory/2808-44-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2808-49-0x0000000005730000-0x0000000005740000-memory.dmp

      Filesize

      64KB

    • memory/2808-47-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-96-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/4628-9-0x0000000005F60000-0x0000000005FFC000-memory.dmp

      Filesize

      624KB

    • memory/4628-4-0x0000000007320000-0x0000000007330000-memory.dmp

      Filesize

      64KB

    • memory/4628-5-0x0000000007140000-0x000000000714A000-memory.dmp

      Filesize

      40KB

    • memory/4628-6-0x0000000000D90000-0x0000000000DAA000-memory.dmp

      Filesize

      104KB

    • memory/4628-7-0x0000000000DC0000-0x0000000000DCC000-memory.dmp

      Filesize

      48KB

    • memory/4628-3-0x00000000071B0000-0x0000000007242000-memory.dmp

      Filesize

      584KB

    • memory/4628-8-0x0000000008630000-0x00000000086B4000-memory.dmp

      Filesize

      528KB

    • memory/4628-2-0x00000000076C0000-0x0000000007C64000-memory.dmp

      Filesize

      5.6MB

    • memory/4628-1-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB

    • memory/4628-0-0x00000000001D0000-0x000000000028E000-memory.dmp

      Filesize

      760KB

    • memory/4628-48-0x00000000751D0000-0x0000000075980000-memory.dmp

      Filesize

      7.7MB