Analysis

  • max time kernel
    41s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 12:13

General

  • Target

    PO and Proforma invoice.exe

  • Size

    814KB

  • MD5

    b289f51e58a368997298cc205b10d8be

  • SHA1

    4e3256b8699de2d2a67aa122337bfaa7407a737b

  • SHA256

    18f7507efdb35483a8642553f66647b9c1cc54d67614782622b7a64261042924

  • SHA512

    54ceecb268ef81664b7ae4af7e399a72643a9415877c3b3ac9c14b8a363d72d07d1dff51e20dc60e6e4529c57b1e545434c93385d0d46ba74a3acf884df1b4f3

  • SSDEEP

    12288:nlIc81H9rI6rgKmQgVsavXLJkM5ghECVFnMfkNbaz3e0igw0D9OwhEDin:nlUlRMK8JdX5aECdNba60igw0k0n

Malware Config

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 1 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.

  • 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).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO and Proforma invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\PO and Proforma invoice.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hebYuJoo.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2004
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hebYuJoo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp78F9.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1784
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2292
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3300

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cs01gpor.lgr.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp78F9.tmp

      Filesize

      1KB

      MD5

      fe1d95ac2524a5e89c13414282b4ca50

      SHA1

      869ce307898127280a0968c7330a8e2ec7c7b82f

      SHA256

      1d4a46c23df2447ec6b8bddcb92cb4f61538396add9aab1c60334b98bdaf37fc

      SHA512

      9e20cc23bdfdfad6547ee939c6d728c1362199b672b4a7151d4ec51fee7dc1971b5cf9d8cf018fa0edb49f31e255fea1eb196401a1646ea83245147e9d489c5d

    • memory/2004-55-0x00000000076A0000-0x00000000076BA000-memory.dmp

      Filesize

      104KB

    • memory/2004-56-0x0000000007710000-0x000000000771A000-memory.dmp

      Filesize

      40KB

    • memory/2004-23-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2004-65-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2004-62-0x00000000079C0000-0x00000000079C8000-memory.dmp

      Filesize

      32KB

    • memory/2004-61-0x00000000079E0000-0x00000000079FA000-memory.dmp

      Filesize

      104KB

    • memory/2004-60-0x00000000078E0000-0x00000000078F4000-memory.dmp

      Filesize

      80KB

    • memory/2004-25-0x0000000005D80000-0x00000000060D4000-memory.dmp

      Filesize

      3.3MB

    • memory/2004-59-0x00000000078D0000-0x00000000078DE000-memory.dmp

      Filesize

      56KB

    • memory/2004-58-0x00000000078A0000-0x00000000078B1000-memory.dmp

      Filesize

      68KB

    • memory/2004-16-0x0000000002A90000-0x0000000002AC6000-memory.dmp

      Filesize

      216KB

    • memory/2004-19-0x00000000056D0000-0x0000000005CF8000-memory.dmp

      Filesize

      6.2MB

    • memory/2004-57-0x0000000007920000-0x00000000079B6000-memory.dmp

      Filesize

      600KB

    • memory/2004-40-0x0000000006430000-0x000000000647C000-memory.dmp

      Filesize

      304KB

    • memory/2004-22-0x0000000005600000-0x0000000005666000-memory.dmp

      Filesize

      408KB

    • memory/2004-21-0x0000000005590000-0x00000000055F6000-memory.dmp

      Filesize

      408KB

    • memory/2004-54-0x0000000007CF0000-0x000000000836A000-memory.dmp

      Filesize

      6.5MB

    • memory/2004-31-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2004-53-0x0000000007560000-0x0000000007603000-memory.dmp

      Filesize

      652KB

    • memory/2004-52-0x0000000006920000-0x000000000693E000-memory.dmp

      Filesize

      120KB

    • memory/2004-18-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2004-42-0x00000000753E0000-0x000000007542C000-memory.dmp

      Filesize

      304KB

    • memory/2004-41-0x0000000006940000-0x0000000006972000-memory.dmp

      Filesize

      200KB

    • memory/2004-20-0x00000000053F0000-0x0000000005412000-memory.dmp

      Filesize

      136KB

    • memory/2004-39-0x0000000006380000-0x000000000639E000-memory.dmp

      Filesize

      120KB

    • memory/3244-9-0x0000000005C80000-0x0000000005C88000-memory.dmp

      Filesize

      32KB

    • memory/3244-6-0x0000000006AD0000-0x0000000006FFC000-memory.dmp

      Filesize

      5.2MB

    • memory/3244-3-0x0000000005920000-0x00000000059B2000-memory.dmp

      Filesize

      584KB

    • memory/3244-38-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-5-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-4-0x00000000059E0000-0x00000000059EA000-memory.dmp

      Filesize

      40KB

    • memory/3244-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/3244-2-0x0000000005FF0000-0x0000000006594000-memory.dmp

      Filesize

      5.6MB

    • memory/3244-1-0x0000000000EB0000-0x0000000000F82000-memory.dmp

      Filesize

      840KB

    • memory/3244-11-0x00000000066A0000-0x0000000006724000-memory.dmp

      Filesize

      528KB

    • memory/3244-10-0x0000000005F00000-0x0000000005F0C000-memory.dmp

      Filesize

      48KB

    • memory/3244-8-0x0000000005C60000-0x0000000005C72000-memory.dmp

      Filesize

      72KB

    • memory/3244-7-0x0000000005C90000-0x0000000005D2C000-memory.dmp

      Filesize

      624KB

    • memory/3300-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3300-37-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3300-66-0x00000000066B0000-0x0000000006700000-memory.dmp

      Filesize

      320KB

    • memory/3300-67-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB