Analysis

  • max time kernel
    134s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 15:44

General

  • Target

    ordinul de cotatie.exe

  • Size

    670KB

  • MD5

    ed3815b037a3f57bfc35bc4b6c97c3a4

  • SHA1

    034cded1a5c78337d11a3b4a0f9b62c270b51862

  • SHA256

    bf2117027a187100dc80baf714dac0341c8f18fdd5e562248c43685ac0ceca29

  • SHA512

    35a733c79702faf74ffed972eb2e2aef139713a4306634c4f3adb9ca6f9667442af24113efb23e1289ab66d64f02ce56e2406d3df98a52806a63ae90321b11ca

  • SSDEEP

    12288:e8EMgXHfAhdhdSsLjQ05GzUPCLDMtUNGQeLq06ShFVr1KFABkeXOaId:e8jgvAhXfQ05Gz3LDUmnAqYjfXXOaI

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6708321519:AAH9WPgZQN8mlLl2zn6ccUEu4DYMqGCeTcQ/

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 11 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\ordinul de cotatie.exe
    "C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4388
    • 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\ordinul de cotatie.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3940
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lVKVSUhnFGi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2332
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lVKVSUhnFGi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61B7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:908
    • C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe
      "C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe"
      2⤵
        PID:4412
      • C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe
        "C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3436

    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

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    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\CLR_v4.0_32\UsageLogs\ordinul de cotatie.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

      4b51db615ea6617470e6999e972f6615

      SHA1

      46625af571b5eaba14016f68769df478220ca6a9

      SHA256

      835bc54bcb170e768a735c746305cfc5a197109c828385c188f3a799bfd3d25e

      SHA512

      1808339cf33ffb6b97708439d1365ffd2fc06373e513294d76e95e55efcea071173a7db085fe5c22fe331e71004dc18b795550eedce33244720b691f34eba53c

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gspgibq1.krt.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp61B7.tmp
      Filesize

      1KB

      MD5

      05b658391fc515767960b2d1ccae5c87

      SHA1

      46c4cfb249c602f5f6540e9e31dc1d173ce45531

      SHA256

      d39838ef065741ec8c5ac61f616dc4a223e4930a38fca6a4922f20b92a5efdba

      SHA512

      24b7924a5819edc0c200f2d61dff2ca61492453b894b9a1aadfcef54e8ccc050f7aaf550e04cbddde1e19ff60e51efd1df4d017facc827398e493512a52f05cc

    • memory/2332-75-0x0000000007E40000-0x00000000084BA000-memory.dmp
      Filesize

      6.5MB

    • memory/2332-52-0x0000000007450000-0x0000000007482000-memory.dmp
      Filesize

      200KB

    • memory/2332-80-0x0000000007A30000-0x0000000007A3E000-memory.dmp
      Filesize

      56KB

    • memory/2332-89-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/2332-78-0x0000000007A80000-0x0000000007B16000-memory.dmp
      Filesize

      600KB

    • memory/2332-76-0x0000000007800000-0x000000000781A000-memory.dmp
      Filesize

      104KB

    • memory/2332-53-0x00000000751C0000-0x000000007520C000-memory.dmp
      Filesize

      304KB

    • memory/2332-74-0x00000000076C0000-0x0000000007763000-memory.dmp
      Filesize

      652KB

    • memory/2332-63-0x0000000007690000-0x00000000076AE000-memory.dmp
      Filesize

      120KB

    • memory/2332-31-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/2332-77-0x0000000007870000-0x000000000787A000-memory.dmp
      Filesize

      40KB

    • memory/2332-79-0x0000000007A00000-0x0000000007A11000-memory.dmp
      Filesize

      68KB

    • memory/2332-82-0x0000000007B40000-0x0000000007B5A000-memory.dmp
      Filesize

      104KB

    • memory/2332-36-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/2332-23-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3436-46-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3436-91-0x0000000006AF0000-0x0000000006B40000-memory.dmp
      Filesize

      320KB

    • memory/3940-24-0x0000000005CF0000-0x0000000006044000-memory.dmp
      Filesize

      3.3MB

    • memory/3940-81-0x00000000078C0000-0x00000000078D4000-memory.dmp
      Filesize

      80KB

    • memory/3940-19-0x0000000005280000-0x00000000052A2000-memory.dmp
      Filesize

      136KB

    • memory/3940-20-0x0000000005420000-0x0000000005486000-memory.dmp
      Filesize

      408KB

    • memory/3940-21-0x0000000005490000-0x00000000054F6000-memory.dmp
      Filesize

      408KB

    • memory/3940-22-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3940-50-0x0000000006340000-0x000000000635E000-memory.dmp
      Filesize

      120KB

    • memory/3940-51-0x0000000006880000-0x00000000068CC000-memory.dmp
      Filesize

      304KB

    • memory/3940-18-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3940-64-0x00000000751C0000-0x000000007520C000-memory.dmp
      Filesize

      304KB

    • memory/3940-17-0x0000000005540000-0x0000000005B68000-memory.dmp
      Filesize

      6.2MB

    • memory/3940-16-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/3940-15-0x0000000002A50000-0x0000000002A86000-memory.dmp
      Filesize

      216KB

    • memory/3940-83-0x00000000079A0000-0x00000000079A8000-memory.dmp
      Filesize

      32KB

    • memory/3940-90-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4388-8-0x00000000059C0000-0x00000000059D0000-memory.dmp
      Filesize

      64KB

    • memory/4388-0-0x000000007492E000-0x000000007492F000-memory.dmp
      Filesize

      4KB

    • memory/4388-6-0x00000000060D0000-0x0000000006172000-memory.dmp
      Filesize

      648KB

    • memory/4388-4-0x0000000005870000-0x000000000587A000-memory.dmp
      Filesize

      40KB

    • memory/4388-5-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4388-49-0x0000000074920000-0x00000000750D0000-memory.dmp
      Filesize

      7.7MB

    • memory/4388-10-0x00000000095E0000-0x000000000967C000-memory.dmp
      Filesize

      624KB

    • memory/4388-2-0x0000000006180000-0x0000000006724000-memory.dmp
      Filesize

      5.6MB

    • memory/4388-9-0x0000000006FA0000-0x0000000007022000-memory.dmp
      Filesize

      520KB

    • memory/4388-3-0x00000000058C0000-0x0000000005952000-memory.dmp
      Filesize

      584KB

    • memory/4388-1-0x0000000000E10000-0x0000000000EBE000-memory.dmp
      Filesize

      696KB

    • memory/4388-7-0x0000000005BA0000-0x0000000005BBA000-memory.dmp
      Filesize

      104KB