Analysis

  • max time kernel
    132s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-05-2024 01:03

General

  • Target

    Deposit payment copy PDF.exe

  • Size

    704KB

  • MD5

    eabe9b55aaf1f35048b4512f2dbd9a44

  • SHA1

    53b1b9d51a39892cf1e2a2075aa671dbeb096135

  • SHA256

    9d18f6e38273eb6a8959627210f55baf459975af7a75195e108613bfd3da858a

  • SHA512

    c430e17de378489fc17844a046f4d72d6adad909c1387e3f6f0a106783918d1819dcd70451e6b0ddd42aa51e14b7eee931654d908c9adf9985b7fac567eceece

  • SSDEEP

    12288:LXUeoUNewB351Us8jhHnK0rxw90reDXxRWzUmFurkCGUymKIEmNvUXX2tHl0fl3+:d1dfZSK0FioeVcQkCwmomRUHAl0fl3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cojosem.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ZARHLOULBOSS123

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.

  • 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 15 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\Deposit payment copy PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Deposit payment copy PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3048
    • 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\Deposit payment copy PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4352
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LqzPSWJnodRc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4452
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LqzPSWJnodRc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp66C8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2896
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4288
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4032

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    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

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    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

      db239665858b31ec0493b91759a8ad5e

      SHA1

      d1fac3c2669139e402f02e861044fa26448a4f0f

      SHA256

      61008f2bfaee6602efe9b94b33a1537914aad355ff2594bb9fbe57f78c0a1d8f

      SHA512

      d92a157c551053692e460e3e5fd77a13e0630c6c8897784d8a32c2fdedc1c07bb00108e087b8a222c9ce22d48c96ee811889f9c60013272d508e4627c3734914

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yqn44r3e.pot.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp66C8.tmp
      Filesize

      1KB

      MD5

      0548b99b47e79f3bcfa2cb1837c9460c

      SHA1

      dbed00e9d676572c51369b520d0fda49cd8c6ce7

      SHA256

      17961e3849922d8db31cf3d369b254e6fa0d41b53c96f289b16ec67a84b6a1c3

      SHA512

      df419c4dfeb6d4cb60cb154a9da103b8871af62e50449b9eed1ae68168f907447d5cba86061a910d75d86df1eef307965635211a0a15dd45e9be7570841cad06

    • memory/3048-4-0x0000000005230000-0x000000000523A000-memory.dmp
      Filesize

      40KB

    • memory/3048-5-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/3048-6-0x00000000054D0000-0x000000000556C000-memory.dmp
      Filesize

      624KB

    • memory/3048-7-0x00000000054A0000-0x00000000054B6000-memory.dmp
      Filesize

      88KB

    • memory/3048-8-0x0000000005570000-0x0000000005586000-memory.dmp
      Filesize

      88KB

    • memory/3048-9-0x00000000067D0000-0x0000000006856000-memory.dmp
      Filesize

      536KB

    • memory/3048-3-0x0000000005150000-0x00000000051E2000-memory.dmp
      Filesize

      584KB

    • memory/3048-0-0x0000000074F5E000-0x0000000074F5F000-memory.dmp
      Filesize

      4KB

    • memory/3048-2-0x0000000005660000-0x0000000005C04000-memory.dmp
      Filesize

      5.6MB

    • memory/3048-29-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/3048-1-0x00000000006C0000-0x0000000000776000-memory.dmp
      Filesize

      728KB

    • memory/4032-90-0x0000000006690000-0x00000000066E0000-memory.dmp
      Filesize

      320KB

    • memory/4032-25-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

    • memory/4352-28-0x00000000055F0000-0x0000000005944000-memory.dmp
      Filesize

      3.3MB

    • memory/4352-48-0x0000000005BB0000-0x0000000005BCE000-memory.dmp
      Filesize

      120KB

    • memory/4352-24-0x0000000004D80000-0x0000000004DE6000-memory.dmp
      Filesize

      408KB

    • memory/4352-14-0x00000000022C0000-0x00000000022F6000-memory.dmp
      Filesize

      216KB

    • memory/4352-89-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/4352-17-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/4352-23-0x0000000004D10000-0x0000000004D76000-memory.dmp
      Filesize

      408KB

    • memory/4352-22-0x0000000004C70000-0x0000000004C92000-memory.dmp
      Filesize

      136KB

    • memory/4352-26-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/4352-79-0x0000000007110000-0x0000000007124000-memory.dmp
      Filesize

      80KB

    • memory/4352-49-0x0000000005C50000-0x0000000005C9C000-memory.dmp
      Filesize

      304KB

    • memory/4352-51-0x0000000071620000-0x000000007166C000-memory.dmp
      Filesize

      304KB

    • memory/4352-50-0x0000000006B50000-0x0000000006B82000-memory.dmp
      Filesize

      200KB

    • memory/4352-61-0x0000000006B10000-0x0000000006B2E000-memory.dmp
      Filesize

      120KB

    • memory/4352-62-0x0000000006B90000-0x0000000006C33000-memory.dmp
      Filesize

      652KB

    • memory/4352-15-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/4352-82-0x00000000071F0000-0x00000000071F8000-memory.dmp
      Filesize

      32KB

    • memory/4352-74-0x0000000006ED0000-0x0000000006EEA000-memory.dmp
      Filesize

      104KB

    • memory/4352-81-0x0000000007210000-0x000000000722A000-memory.dmp
      Filesize

      104KB

    • memory/4452-21-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/4452-77-0x00000000074D0000-0x00000000074E1000-memory.dmp
      Filesize

      68KB

    • memory/4452-78-0x0000000007500000-0x000000000750E000-memory.dmp
      Filesize

      56KB

    • memory/4452-76-0x0000000007550000-0x00000000075E6000-memory.dmp
      Filesize

      600KB

    • memory/4452-75-0x0000000007340000-0x000000000734A000-memory.dmp
      Filesize

      40KB

    • memory/4452-73-0x0000000007910000-0x0000000007F8A000-memory.dmp
      Filesize

      6.5MB

    • memory/4452-16-0x00000000050D0000-0x00000000056F8000-memory.dmp
      Filesize

      6.2MB

    • memory/4452-63-0x0000000071620000-0x000000007166C000-memory.dmp
      Filesize

      304KB

    • memory/4452-88-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/4452-19-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB

    • memory/4452-20-0x0000000074F50000-0x0000000075700000-memory.dmp
      Filesize

      7.7MB