Analysis

  • max time kernel
    117s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 05:32

General

  • Target

    Telco 32pcs New Purchase Order.exe

  • Size

    968KB

  • MD5

    8d310f2e831174aac8eaa5eba20e87ad

  • SHA1

    600ef55976b69523c7973c5d0aeeb91f3fdcf97e

  • SHA256

    457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876

  • SHA512

    a8a58d69131ae7b6736af515ad800eebe123df03c8c5b909e24ae64e382f310835f984d045f97aabe11a0f489e614b1d8d516add24d9cfde6f261ca88af75839

  • SSDEEP

    24576:izFcFCG6ra2QIi2zGc9rwZTkfrw6bMfR1q:izFcsG3ZDc9riI0q

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 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 8 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\Telco 32pcs New Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1320
    • 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\Telco 32pcs New Purchase Order.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4472
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zBzzGAdzqF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5000
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zBzzGAdzqF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD10B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4272
    • C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"
      2⤵
        PID:1524
      • C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe
        "C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5064

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Telco 32pcs New Purchase Order.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • 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

      b5688854bc1c8e4aeb735aae66f8c544

      SHA1

      60e129baba4056a8a731204bb2497d295c126b43

      SHA256

      d4edd2ad908125aa1c0a502073334d6bd8ebdf8dbebee28083ea5d544aae0963

      SHA512

      17ea212d54ffae76199cab6c58adde5ebf0154e16d5dd0e30042ceca43dfbad82b056f096b87e8fc8ce4d85d377ddd8cdc61664720dd066189f00cd8a699ea26

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skonnvy4.rjp.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD10B.tmp

      Filesize

      1KB

      MD5

      03f33e2397941515872689b5f25da731

      SHA1

      3cdfd0d208897d10241594d43687abd3f5c9005d

      SHA256

      eaf3542164e89a005c6b7092de8cba45461993fa954ac1f190fe8324f2bd97d9

      SHA512

      a6308d52ac5aed61fec9ca5133d5c00af6b05d5df6ad021aca9e9d178c4c6ff6fe216355d3c95e1e5600abc999cdc327756556b18135b15382be8bdf371a075a

    • memory/1320-9-0x00000000084E0000-0x0000000008564000-memory.dmp

      Filesize

      528KB

    • memory/1320-5-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1320-7-0x000000007518E000-0x000000007518F000-memory.dmp

      Filesize

      4KB

    • memory/1320-8-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1320-0-0x000000007518E000-0x000000007518F000-memory.dmp

      Filesize

      4KB

    • memory/1320-10-0x000000000ACB0000-0x000000000AD4C000-memory.dmp

      Filesize

      624KB

    • memory/1320-49-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1320-1-0x0000000000B10000-0x0000000000C04000-memory.dmp

      Filesize

      976KB

    • memory/1320-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1320-3-0x00000000054D0000-0x0000000005562000-memory.dmp

      Filesize

      584KB

    • memory/1320-6-0x0000000005B40000-0x0000000005B52000-memory.dmp

      Filesize

      72KB

    • memory/1320-4-0x00000000054C0000-0x00000000054CA000-memory.dmp

      Filesize

      40KB

    • memory/4472-31-0x0000000005AF0000-0x0000000005E44000-memory.dmp

      Filesize

      3.3MB

    • memory/4472-50-0x00000000060D0000-0x00000000060EE000-memory.dmp

      Filesize

      120KB

    • memory/4472-22-0x0000000005A80000-0x0000000005AE6000-memory.dmp

      Filesize

      408KB

    • memory/4472-21-0x00000000059A0000-0x0000000005A06000-memory.dmp

      Filesize

      408KB

    • memory/4472-89-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/4472-19-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/4472-18-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/4472-16-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/4472-17-0x0000000005370000-0x0000000005998000-memory.dmp

      Filesize

      6.2MB

    • memory/4472-15-0x0000000004B70000-0x0000000004BA6000-memory.dmp

      Filesize

      216KB

    • memory/4472-83-0x0000000007730000-0x0000000007738000-memory.dmp

      Filesize

      32KB

    • memory/4472-20-0x0000000005220000-0x0000000005242000-memory.dmp

      Filesize

      136KB

    • memory/4472-51-0x0000000006190000-0x00000000061DC000-memory.dmp

      Filesize

      304KB

    • memory/4472-52-0x00000000070C0000-0x00000000070F2000-memory.dmp

      Filesize

      200KB

    • memory/4472-63-0x0000000006690000-0x00000000066AE000-memory.dmp

      Filesize

      120KB

    • memory/4472-53-0x00000000759F0000-0x0000000075A3C000-memory.dmp

      Filesize

      304KB

    • memory/4472-74-0x0000000007300000-0x00000000073A3000-memory.dmp

      Filesize

      652KB

    • memory/4472-82-0x0000000007750000-0x000000000776A000-memory.dmp

      Filesize

      104KB

    • memory/4472-81-0x0000000007650000-0x0000000007664000-memory.dmp

      Filesize

      80KB

    • memory/4472-79-0x0000000007610000-0x0000000007621000-memory.dmp

      Filesize

      68KB

    • memory/4472-77-0x0000000007480000-0x000000000748A000-memory.dmp

      Filesize

      40KB

    • memory/4472-80-0x0000000007640000-0x000000000764E000-memory.dmp

      Filesize

      56KB

    • memory/5000-76-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

      Filesize

      104KB

    • memory/5000-78-0x0000000007120000-0x00000000071B6000-memory.dmp

      Filesize

      600KB

    • memory/5000-75-0x00000000074E0000-0x0000000007B5A000-memory.dmp

      Filesize

      6.5MB

    • memory/5000-64-0x00000000759F0000-0x0000000075A3C000-memory.dmp

      Filesize

      304KB

    • memory/5000-25-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5000-33-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5000-23-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5000-90-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-46-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/5064-91-0x0000000006F10000-0x0000000006F60000-memory.dmp

      Filesize

      320KB