Analysis

  • max time kernel
    125s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 17:51

General

  • Target

    INVOICE.exe

  • Size

    697KB

  • MD5

    ba367cc4cfb9f9b18f2a776ffa4fc4aa

  • SHA1

    204d17e23d81391809aab7e857b7a918f790fa98

  • SHA256

    9fdc30c0a41d836508108bd98ce5176a6739f8ef4c0395bb81e8d85fe670d86f

  • SHA512

    ab376384d3289fa54cfe4543b998abbe280d68e74b2e110827df239208c21a1ad0820df28471248590f83167c438be5c3d2db7fa0e6c3e6deaf62b310b559345

  • SSDEEP

    12288:Ubl5nF8teO9wP7uZ15vvFIY1Z+1OBhDe4CTrTVMK9XC+iinnjhZj4dqrlbJ:4l+eOq+r3Fl141OBle4C5hfnzHhbJ

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 1 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eTjKPkz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2692
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eTjKPkz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp76B6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2164
    • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bikyokrf.kx1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp76B6.tmp

    Filesize

    1KB

    MD5

    b2a07d7be8874b75fb5acb84ea9686b2

    SHA1

    6288f18aacbf752f681c589b431525973905bd0e

    SHA256

    19376aa9698b9e4f2880d5e0cd7a81cd81fccce8c8ce75ed5383e49108d22864

    SHA512

    f21a6722883957b2cd9092657df6c2ea49295813098dbaaec7bbcb3790ce1ec91dce7579ba8c78cb025c795801648c4a7d1d7eefd34801435cc8a8769a6e0664

  • memory/2692-58-0x0000000007500000-0x000000000751A000-memory.dmp

    Filesize

    104KB

  • memory/2692-60-0x0000000007780000-0x0000000007816000-memory.dmp

    Filesize

    600KB

  • memory/2692-38-0x0000000005D00000-0x0000000006054000-memory.dmp

    Filesize

    3.3MB

  • memory/2692-69-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/2692-66-0x0000000007820000-0x0000000007828000-memory.dmp

    Filesize

    32KB

  • memory/2692-65-0x0000000007840000-0x000000000785A000-memory.dmp

    Filesize

    104KB

  • memory/2692-63-0x0000000007740000-0x0000000007754000-memory.dmp

    Filesize

    80KB

  • memory/2692-62-0x0000000007730000-0x000000000773E000-memory.dmp

    Filesize

    56KB

  • memory/2692-61-0x0000000007700000-0x0000000007711000-memory.dmp

    Filesize

    68KB

  • memory/2692-15-0x00000000028B0000-0x00000000028E6000-memory.dmp

    Filesize

    216KB

  • memory/2692-16-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/2692-18-0x00000000054F0000-0x0000000005B18000-memory.dmp

    Filesize

    6.2MB

  • memory/2692-17-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

    Filesize

    64KB

  • memory/2692-41-0x00000000061D0000-0x00000000061EE000-memory.dmp

    Filesize

    120KB

  • memory/2692-20-0x0000000005140000-0x0000000005162000-memory.dmp

    Filesize

    136KB

  • memory/2692-59-0x0000000007570000-0x000000000757A000-memory.dmp

    Filesize

    40KB

  • memory/2692-57-0x0000000007B40000-0x00000000081BA000-memory.dmp

    Filesize

    6.5MB

  • memory/2692-56-0x00000000071A0000-0x0000000007243000-memory.dmp

    Filesize

    652KB

  • memory/2692-25-0x0000000005B90000-0x0000000005BF6000-memory.dmp

    Filesize

    408KB

  • memory/2692-22-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

    Filesize

    64KB

  • memory/2692-55-0x0000000006780000-0x000000000679E000-memory.dmp

    Filesize

    120KB

  • memory/2692-43-0x000000007F240000-0x000000007F250000-memory.dmp

    Filesize

    64KB

  • memory/2692-45-0x0000000071120000-0x000000007116C000-memory.dmp

    Filesize

    304KB

  • memory/2692-44-0x00000000067A0000-0x00000000067D2000-memory.dmp

    Filesize

    200KB

  • memory/2692-23-0x0000000005B20000-0x0000000005B86000-memory.dmp

    Filesize

    408KB

  • memory/2692-42-0x0000000006280000-0x00000000062CC000-memory.dmp

    Filesize

    304KB

  • memory/3588-70-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3588-71-0x0000000005560000-0x0000000005570000-memory.dmp

    Filesize

    64KB

  • memory/3588-39-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-64-0x0000000006480000-0x00000000064D0000-memory.dmp

    Filesize

    320KB

  • memory/3588-40-0x0000000005560000-0x0000000005570000-memory.dmp

    Filesize

    64KB

  • memory/4728-21-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4728-8-0x0000000005830000-0x000000000583A000-memory.dmp

    Filesize

    40KB

  • memory/4728-0-0x0000000000980000-0x0000000000A34000-memory.dmp

    Filesize

    720KB

  • memory/4728-1-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4728-2-0x0000000005A20000-0x0000000005FC4000-memory.dmp

    Filesize

    5.6MB

  • memory/4728-10-0x0000000006CC0000-0x0000000006D5C000-memory.dmp

    Filesize

    624KB

  • memory/4728-9-0x00000000060D0000-0x000000000614A000-memory.dmp

    Filesize

    488KB

  • memory/4728-37-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4728-32-0x0000000005680000-0x0000000005690000-memory.dmp

    Filesize

    64KB

  • memory/4728-7-0x0000000005820000-0x0000000005828000-memory.dmp

    Filesize

    32KB

  • memory/4728-6-0x0000000005660000-0x0000000005678000-memory.dmp

    Filesize

    96KB

  • memory/4728-5-0x0000000005410000-0x000000000541A000-memory.dmp

    Filesize

    40KB

  • memory/4728-4-0x0000000005680000-0x0000000005690000-memory.dmp

    Filesize

    64KB

  • memory/4728-3-0x0000000005470000-0x0000000005502000-memory.dmp

    Filesize

    584KB