Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 02:19

General

  • Target

    66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe

  • Size

    675KB

  • MD5

    457e798bc2159b05a4c42047349aed4e

  • SHA1

    75c0f721282465e22020a8b78bdfcd0a6617f877

  • SHA256

    66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b

  • SHA512

    030b7d6fac4218b591a635465dde7de2a9d57cd4eb50750db0b65917eed105443d22e5b38783b099112f752231d009994959b9d31ac06e1d5d8a2f99135d0cd7

  • SSDEEP

    6144:TZ6yPoa2GhNl6AnwIcGwYXgrkMY358MZ3kFOO9I6zpq6erP6gppadQ/7TviOWBWi:oa2iNlw0PmkNMO4I6zpOqde6nKfX1kR

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.zqamcx.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Anambraeast@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 1 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe
    "C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4564
    • 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\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DPitdstfgiH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DPitdstfgiH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD31.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4112
    • C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe
      "C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
      2⤵
        PID:5360
      • C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe
        "C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
        2⤵
          PID:3912
        • C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe
          "C:\Users\Admin\AppData\Local\Temp\66411161faca1e2387d246ef7d69d73cf2f848725546f6cfcc87bb4c4851bb9b.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1732

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Scheduled Task/Job

      1
      T1053

      Persistence

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Scheduled Task/Job

      1
      T1053

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

        18KB

        MD5

        9cc069f9964b4d122a2eb712a16b71e0

        SHA1

        06b71e379f2efbdd2d3457a8c1631cd8959d8ca2

        SHA256

        4fc2937ea5ba2cc484996feda099df93a75b2b561026503eaa765f152eac8f09

        SHA512

        42f9ae81e28014b94269c203291fc2aaa6bb44e65b98e9cc617b7017e1daa3c6d04ccd026a1027af7d95ea8aa02a97a92d8d9df954996e09bff17cb3906cbbc9

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tv3vqnvz.sym.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpDD31.tmp
        Filesize

        1KB

        MD5

        1b19eaf114d7b75588563b1bd515e052

        SHA1

        23372950e0c0befe8abd76b89bf51f45b10cd3d1

        SHA256

        a0dba62725bf6639d9b935111ec553b9a4a0e3f4cb575482a8d8d6f1de0a8ac7

        SHA512

        cf65fcb2d93fdd5553f1a099d5fd443da34929fc596257f525d14bdf41f1de9afa0ca22b284e874b07ce2fbbee41d8b75dc9080c68cd5ed189936c10e6c5971c

      • memory/1732-99-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/1732-98-0x0000000006D80000-0x0000000006DD0000-memory.dmp
        Filesize

        320KB

      • memory/1732-50-0x0000000005710000-0x0000000005720000-memory.dmp
        Filesize

        64KB

      • memory/1732-48-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/1732-47-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/2520-24-0x0000000005270000-0x00000000052D6000-memory.dmp
        Filesize

        408KB

      • memory/2520-83-0x00000000073C0000-0x00000000073DA000-memory.dmp
        Filesize

        104KB

      • memory/2520-96-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/2520-16-0x0000000002760000-0x0000000002796000-memory.dmp
        Filesize

        216KB

      • memory/2520-19-0x0000000004D70000-0x0000000004D80000-memory.dmp
        Filesize

        64KB

      • memory/2520-18-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/2520-17-0x00000000053B0000-0x00000000059D8000-memory.dmp
        Filesize

        6.2MB

      • memory/2520-89-0x0000000007700000-0x000000000771A000-memory.dmp
        Filesize

        104KB

      • memory/2520-90-0x00000000076E0000-0x00000000076E8000-memory.dmp
        Filesize

        32KB

      • memory/2520-88-0x0000000007600000-0x0000000007614000-memory.dmp
        Filesize

        80KB

      • memory/2520-85-0x0000000007640000-0x00000000076D6000-memory.dmp
        Filesize

        600KB

      • memory/2520-84-0x0000000007430000-0x000000000743A000-memory.dmp
        Filesize

        40KB

      • memory/2520-81-0x0000000004D70000-0x0000000004D80000-memory.dmp
        Filesize

        64KB

      • memory/2520-33-0x0000000004D70000-0x0000000004D80000-memory.dmp
        Filesize

        64KB

      • memory/2520-54-0x000000007F4A0000-0x000000007F4B0000-memory.dmp
        Filesize

        64KB

      • memory/2520-76-0x0000000006640000-0x000000000665E000-memory.dmp
        Filesize

        120KB

      • memory/2520-80-0x0000000007070000-0x0000000007113000-memory.dmp
        Filesize

        652KB

      • memory/2520-56-0x0000000074EF0000-0x0000000074F3C000-memory.dmp
        Filesize

        304KB

      • memory/2520-32-0x0000000005BE0000-0x0000000005C46000-memory.dmp
        Filesize

        408KB

      • memory/2720-82-0x0000000007DA0000-0x000000000841A000-memory.dmp
        Filesize

        6.5MB

      • memory/2720-79-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
        Filesize

        64KB

      • memory/2720-97-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/2720-53-0x00000000064F0000-0x000000000653C000-memory.dmp
        Filesize

        304KB

      • memory/2720-22-0x0000000005CB0000-0x0000000005CD2000-memory.dmp
        Filesize

        136KB

      • memory/2720-58-0x000000007EEB0000-0x000000007EEC0000-memory.dmp
        Filesize

        64KB

      • memory/2720-77-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
        Filesize

        64KB

      • memory/2720-55-0x00000000073B0000-0x00000000073E2000-memory.dmp
        Filesize

        200KB

      • memory/2720-21-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/2720-46-0x0000000005FB0000-0x0000000006304000-memory.dmp
        Filesize

        3.3MB

      • memory/2720-57-0x0000000074EF0000-0x0000000074F3C000-memory.dmp
        Filesize

        304KB

      • memory/2720-87-0x0000000007990000-0x000000000799E000-memory.dmp
        Filesize

        56KB

      • memory/2720-86-0x0000000007960000-0x0000000007971000-memory.dmp
        Filesize

        68KB

      • memory/2720-25-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
        Filesize

        64KB

      • memory/2720-52-0x0000000006430000-0x000000000644E000-memory.dmp
        Filesize

        120KB

      • memory/2720-23-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
        Filesize

        64KB

      • memory/4564-5-0x0000000005760000-0x000000000576A000-memory.dmp
        Filesize

        40KB

      • memory/4564-51-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/4564-7-0x0000000005830000-0x0000000005842000-memory.dmp
        Filesize

        72KB

      • memory/4564-8-0x0000000005850000-0x000000000585C000-memory.dmp
        Filesize

        48KB

      • memory/4564-6-0x0000000005990000-0x0000000005A2C000-memory.dmp
        Filesize

        624KB

      • memory/4564-10-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/4564-9-0x0000000006C70000-0x0000000006CF4000-memory.dmp
        Filesize

        528KB

      • memory/4564-4-0x0000000005890000-0x00000000058A0000-memory.dmp
        Filesize

        64KB

      • memory/4564-2-0x0000000005DA0000-0x0000000006344000-memory.dmp
        Filesize

        5.6MB

      • memory/4564-1-0x0000000074680000-0x0000000074E30000-memory.dmp
        Filesize

        7.7MB

      • memory/4564-11-0x0000000005890000-0x00000000058A0000-memory.dmp
        Filesize

        64KB

      • memory/4564-3-0x00000000056C0000-0x0000000005752000-memory.dmp
        Filesize

        584KB

      • memory/4564-0-0x0000000000C10000-0x0000000000CBA000-memory.dmp
        Filesize

        680KB