Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 01:41

General

  • Target

    FEB-MAR SOA 2024.exe

  • Size

    672KB

  • MD5

    04ee4bf65e9118c4812527377e6c7976

  • SHA1

    abdcfadd65cb2a72e28e4ea4a6893180857f498b

  • SHA256

    c3021f93c8dd0e7077770cbd4ca6a2d7306eb3350ca2a0ded52bb65d44337f9e

  • SHA512

    9fce3d8bd49d5c1bec507ab9f93cf15c384d6f24d7abe22b36483ae455a6ff0663b8e23225e2330a35ebdb904c8621b9da8f24328cb3a683f96ef5d14c3fe868

  • SSDEEP

    12288:K0YOwqV2xVRW1DLoBUoimoaOzOih8qTEx/GeozD0NKitIBq8AKQH/:qO7kQ1DLoBU7aOKCrEM7X0NLtmx3QH

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.seawaysfreight-bd.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    36@SaM%sFl#

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FEB-MAR SOA 2024.exe
    "C:\Users\Admin\AppData\Local\Temp\FEB-MAR SOA 2024.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2044
    • 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\FEB-MAR SOA 2024.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4372
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UyzaNydX.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UyzaNydX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D12.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2868
    • C:\Users\Admin\AppData\Local\Temp\FEB-MAR SOA 2024.exe
      "C:\Users\Admin\AppData\Local\Temp\FEB-MAR SOA 2024.exe"
      2⤵
        PID:5032
      • C:\Users\Admin\AppData\Local\Temp\FEB-MAR SOA 2024.exe
        "C:\Users\Admin\AppData\Local\Temp\FEB-MAR SOA 2024.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:996

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    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\Windows\PowerShell\StartupProfileData-NonInteractive
      Filesize

      18KB

      MD5

      f9e05b9ef28d2c0d581eeb772d21d25b

      SHA1

      3cac2ac3d42fb5cbdbba1fc55c66c7ac5bb8f94a

      SHA256

      721ddc13d6d1d8abb07c21626ab8fb131e41ca9cf9a18cd47f5e5dc7713fe6ba

      SHA512

      2867309bf2e07b816193a4d76c38bd788a9c5950a94df5327d5133c22841834e7f295d5c279f83560a3b49f13425c6b1d0e27b2e1c0a9c91efa3e1deba2d4740

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ftqqwkj4.skl.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp6D12.tmp
      Filesize

      1KB

      MD5

      ecddb39953e38086f8d4fa1f61f9d1b4

      SHA1

      32dd6b195698d0bd39f5ef979d0e616e05cbb23a

      SHA256

      e2d3795d89c3dd7ca5bb711075d1d6fb0e1c51af17f1cd3905607c2cc11663cd

      SHA512

      e55124f1fa0754675e4f5f3f5b9ed9e9ad5d9c2c54954963f3862a86015b9ff5e8cdf332e623b4788d65ac622cf0b9d9d8b168d7da5118ba32effc7ee8fae52a

    • memory/996-96-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
      Filesize

      64KB

    • memory/996-95-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/996-94-0x0000000006760000-0x00000000067B0000-memory.dmp
      Filesize

      320KB

    • memory/996-47-0x0000000004FD0000-0x0000000004FE0000-memory.dmp
      Filesize

      64KB

    • memory/996-37-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/996-22-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/1068-79-0x0000000007B30000-0x0000000007B4A000-memory.dmp
      Filesize

      104KB

    • memory/1068-49-0x0000000006800000-0x000000000681E000-memory.dmp
      Filesize

      120KB

    • memory/1068-93-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/1068-87-0x0000000007E50000-0x0000000007E58000-memory.dmp
      Filesize

      32KB

    • memory/1068-85-0x0000000007E70000-0x0000000007E8A000-memory.dmp
      Filesize

      104KB

    • memory/1068-83-0x0000000007D60000-0x0000000007D6E000-memory.dmp
      Filesize

      56KB

    • memory/1068-80-0x0000000007BA0000-0x0000000007BAA000-memory.dmp
      Filesize

      40KB

    • memory/1068-21-0x0000000003080000-0x0000000003090000-memory.dmp
      Filesize

      64KB

    • memory/1068-19-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/1068-78-0x0000000008170000-0x00000000087EA000-memory.dmp
      Filesize

      6.5MB

    • memory/1068-75-0x0000000003080000-0x0000000003090000-memory.dmp
      Filesize

      64KB

    • memory/1068-76-0x00000000079D0000-0x0000000007A73000-memory.dmp
      Filesize

      652KB

    • memory/1068-24-0x0000000006160000-0x00000000061C6000-memory.dmp
      Filesize

      408KB

    • memory/1068-53-0x000000007F510000-0x000000007F520000-memory.dmp
      Filesize

      64KB

    • memory/1068-36-0x00000000062D0000-0x0000000006336000-memory.dmp
      Filesize

      408KB

    • memory/1068-65-0x0000000007970000-0x000000000798E000-memory.dmp
      Filesize

      120KB

    • memory/1068-52-0x0000000071240000-0x000000007128C000-memory.dmp
      Filesize

      304KB

    • memory/1068-50-0x0000000006850000-0x000000000689C000-memory.dmp
      Filesize

      304KB

    • memory/2044-7-0x0000000005B30000-0x0000000005B3C000-memory.dmp
      Filesize

      48KB

    • memory/2044-9-0x0000000009B00000-0x0000000009B9C000-memory.dmp
      Filesize

      624KB

    • memory/2044-5-0x0000000005970000-0x000000000597A000-memory.dmp
      Filesize

      40KB

    • memory/2044-1-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/2044-2-0x0000000005CB0000-0x0000000006254000-memory.dmp
      Filesize

      5.6MB

    • memory/2044-6-0x0000000005B10000-0x0000000005B2A000-memory.dmp
      Filesize

      104KB

    • memory/2044-3-0x00000000057E0000-0x0000000005872000-memory.dmp
      Filesize

      584KB

    • memory/2044-35-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/2044-4-0x0000000005A60000-0x0000000005A70000-memory.dmp
      Filesize

      64KB

    • memory/2044-0-0x0000000000D80000-0x0000000000E28000-memory.dmp
      Filesize

      672KB

    • memory/2044-8-0x0000000007460000-0x00000000074E4000-memory.dmp
      Filesize

      528KB

    • memory/4372-84-0x0000000007AB0000-0x0000000007AC4000-memory.dmp
      Filesize

      80KB

    • memory/4372-16-0x0000000002CA0000-0x0000000002CB0000-memory.dmp
      Filesize

      64KB

    • memory/4372-48-0x00000000061C0000-0x0000000006514000-memory.dmp
      Filesize

      3.3MB

    • memory/4372-81-0x0000000007AF0000-0x0000000007B86000-memory.dmp
      Filesize

      600KB

    • memory/4372-82-0x0000000007A70000-0x0000000007A81000-memory.dmp
      Filesize

      68KB

    • memory/4372-17-0x0000000002CA0000-0x0000000002CB0000-memory.dmp
      Filesize

      64KB

    • memory/4372-77-0x0000000002CA0000-0x0000000002CB0000-memory.dmp
      Filesize

      64KB

    • memory/4372-18-0x00000000056A0000-0x0000000005CC8000-memory.dmp
      Filesize

      6.2MB

    • memory/4372-23-0x0000000005DD0000-0x0000000005DF2000-memory.dmp
      Filesize

      136KB

    • memory/4372-14-0x0000000002C20000-0x0000000002C56000-memory.dmp
      Filesize

      216KB

    • memory/4372-92-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/4372-15-0x0000000074B70000-0x0000000075320000-memory.dmp
      Filesize

      7.7MB

    • memory/4372-64-0x000000007FA40000-0x000000007FA50000-memory.dmp
      Filesize

      64KB

    • memory/4372-54-0x0000000071240000-0x000000007128C000-memory.dmp
      Filesize

      304KB

    • memory/4372-51-0x0000000006B10000-0x0000000006B42000-memory.dmp
      Filesize

      200KB