Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 18:33

General

  • Target

    DHL Delivery Invoice.exe

  • Size

    723KB

  • MD5

    e9803ebe72e992dd17a5ecb2a65fb629

  • SHA1

    24bd5f0b091a426434b5559fda8dddc31500f4c0

  • SHA256

    2009ac39a5ed9bb927bb38b35db885425a7c40b95318efa020d4660c4c37ba26

  • SHA512

    1bee01e5dd4795954cd40242e3d1ae8e71f17445a0e3a17445e45405459929c3881eef4ebea1ef850d7e9151cd18f8e329b305ecd3ef49191266f21473a868f6

  • SSDEEP

    12288:4heN0pei36R88manNPrRrlrifK+yZfSGDgSgAIwBPF9P+QLiRZV6vzw6:4hvpp369JrR+MfSGsSgADF9P+miTV6vt

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ifeanyi@12

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 2 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4084
    • 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\DHL Delivery Invoice.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2976
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QKCqSkoLhelqBu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2300
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QKCqSkoLhelqBu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D43.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:836
    • C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Delivery Invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2508

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

          968cb9309758126772781b83adb8a28f

          SHA1

          8da30e71accf186b2ba11da1797cf67f8f78b47c

          SHA256

          92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

          SHA512

          4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

          Filesize

          18KB

          MD5

          9ec21c59b4575338442379adea214616

          SHA1

          761cba640c29a4638baef69ac26476b41bfab9ed

          SHA256

          58f8ffc9a2da09f33618e809cb2a8c862f179b22ebba26a4b62d715b43a277f5

          SHA512

          bead58ff4ffc32c4cfbe55801abee1e4919fc8353d0ef43947a423fb382e547112ae503efd6c206ee48e0dadd0c567fae208e906f80c6dbdc327938e922f5e69

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_22p1qztg.irn.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp5D43.tmp

          Filesize

          1KB

          MD5

          a80abce94cc9fbdb9aee0a4c879c35fd

          SHA1

          875143df8042578d6fcf7f69b0102ab4f5c19f2e

          SHA256

          0a89e05943bf6fb38e182c8e5b3670ce65a8e235a6daa2226ca01f689ab8edd1

          SHA512

          1a8e5a11acc2fb48031cf38a000e6f808c8d1f25f0e65cc7e1e10e72d4b9fd0a1214cb352caa139e64fe1b1d47056740e60bacf0e57672ad10b7825b4d9bbd06

        • memory/2300-75-0x0000000007870000-0x000000000788A000-memory.dmp

          Filesize

          104KB

        • memory/2300-34-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2300-80-0x0000000007AB0000-0x0000000007AC4000-memory.dmp

          Filesize

          80KB

        • memory/2300-79-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

          Filesize

          56KB

        • memory/2300-78-0x0000000007A70000-0x0000000007A81000-memory.dmp

          Filesize

          68KB

        • memory/2300-74-0x0000000007EB0000-0x000000000852A000-memory.dmp

          Filesize

          6.5MB

        • memory/2300-27-0x0000000005FB0000-0x0000000006304000-memory.dmp

          Filesize

          3.3MB

        • memory/2300-64-0x00000000711F0000-0x000000007123C000-memory.dmp

          Filesize

          304KB

        • memory/2300-88-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2300-81-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

          Filesize

          104KB

        • memory/2300-22-0x0000000005650000-0x00000000056B6000-memory.dmp

          Filesize

          408KB

        • memory/2300-19-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2300-24-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2300-21-0x00000000054B0000-0x00000000054D2000-memory.dmp

          Filesize

          136KB

        • memory/2300-23-0x0000000005F40000-0x0000000005FA6000-memory.dmp

          Filesize

          408KB

        • memory/2508-90-0x00000000069F0000-0x0000000006A40000-memory.dmp

          Filesize

          320KB

        • memory/2508-25-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2976-17-0x0000000004E90000-0x00000000054B8000-memory.dmp

          Filesize

          6.2MB

        • memory/2976-50-0x0000000005D80000-0x0000000005DCC000-memory.dmp

          Filesize

          304KB

        • memory/2976-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2976-16-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2976-89-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2976-82-0x0000000007350000-0x0000000007358000-memory.dmp

          Filesize

          32KB

        • memory/2976-49-0x0000000005CF0000-0x0000000005D0E000-memory.dmp

          Filesize

          120KB

        • memory/2976-76-0x00000000070A0000-0x00000000070AA000-memory.dmp

          Filesize

          40KB

        • memory/2976-51-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

          Filesize

          200KB

        • memory/2976-52-0x00000000711F0000-0x000000007123C000-memory.dmp

          Filesize

          304KB

        • memory/2976-63-0x0000000006F00000-0x0000000006FA3000-memory.dmp

          Filesize

          652KB

        • memory/2976-62-0x0000000006E90000-0x0000000006EAE000-memory.dmp

          Filesize

          120KB

        • memory/2976-15-0x0000000002400000-0x0000000002436000-memory.dmp

          Filesize

          216KB

        • memory/2976-26-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2976-77-0x00000000072B0000-0x0000000007346000-memory.dmp

          Filesize

          600KB

        • memory/4084-10-0x0000000010530000-0x00000000105CC000-memory.dmp

          Filesize

          624KB

        • memory/4084-9-0x0000000006260000-0x00000000062E2000-memory.dmp

          Filesize

          520KB

        • memory/4084-8-0x0000000000C00000-0x0000000000C10000-memory.dmp

          Filesize

          64KB

        • memory/4084-7-0x00000000054B0000-0x00000000054BC000-memory.dmp

          Filesize

          48KB

        • memory/4084-6-0x0000000005450000-0x0000000005472000-memory.dmp

          Filesize

          136KB

        • memory/4084-4-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/4084-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

          Filesize

          4KB

        • memory/4084-5-0x00000000028E0000-0x00000000028EA000-memory.dmp

          Filesize

          40KB

        • memory/4084-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

          Filesize

          584KB

        • memory/4084-48-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/4084-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

          Filesize

          5.6MB

        • memory/4084-1-0x00000000003F0000-0x00000000004AA000-memory.dmp

          Filesize

          744KB