Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 01:46

General

  • Target

    eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe

  • Size

    760KB

  • MD5

    ed69417115869e40733f265fd489a56f

  • SHA1

    eb88646dd13188207ca09c7a448b6b16942222c4

  • SHA256

    eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d

  • SHA512

    4f487a83a33700f0d434ebb6d29bc9027710b0eb7f1b72e0ba5210e66f3198ce5bf2060cf2794e9f2b11f0342ad07bdf36ff7a744296027ab6ad0df53ea05f25

  • SSDEEP

    12288:kR0YOwq7tzRznULWLtcMPZCB5SYtDNinCgG8n5l9AwRFYWXup+:knO7jQLWLtcMBkSaDMCt8n5lSwYWq+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe
    "C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2460
    • 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\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fJkWCdezI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2752
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fJkWCdezI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC18B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2492
    • C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe
      "C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
      2⤵
        PID:2488
      • C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe
        "C:\Users\Admin\AppData\Local\Temp\eb158b84b430ad7f4b4e179f7b8742fa97c2c2129a0cba06039225fa4acc5a2d.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2424

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC18B.tmp
      Filesize

      1KB

      MD5

      cb2568d60a7b14b58fa523be8121a615

      SHA1

      9ec9182fa0ca84e2ce39d8769d0fde4704e5cd44

      SHA256

      7e992803c03e5ede5cf82c0c1a27bc7cfbc72bbd3f3342b37edc7bca7083b412

      SHA512

      fcd505d6c16a88825be9223be6207c65b41d02e8d87eab48e27953e11d568899a8f3d2496bc169d37da01db1770715042e2d69363125ca62efd1efa5d8d55866

    • memory/2424-36-0x0000000004AD0000-0x0000000004B10000-memory.dmp
      Filesize

      256KB

    • memory/2424-41-0x0000000074B20000-0x000000007520E000-memory.dmp
      Filesize

      6.9MB

    • memory/2424-24-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2424-33-0x0000000074B20000-0x000000007520E000-memory.dmp
      Filesize

      6.9MB

    • memory/2424-26-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2424-42-0x0000000004AD0000-0x0000000004B10000-memory.dmp
      Filesize

      256KB

    • memory/2424-16-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2424-17-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2424-19-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2424-18-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2424-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2424-22-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2460-27-0x0000000074B20000-0x000000007520E000-memory.dmp
      Filesize

      6.9MB

    • memory/2460-4-0x0000000000450000-0x000000000045C000-memory.dmp
      Filesize

      48KB

    • memory/2460-5-0x00000000052D0000-0x0000000005352000-memory.dmp
      Filesize

      520KB

    • memory/2460-0-0x0000000000150000-0x000000000020E000-memory.dmp
      Filesize

      760KB

    • memory/2460-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp
      Filesize

      256KB

    • memory/2460-1-0x0000000074B20000-0x000000007520E000-memory.dmp
      Filesize

      6.9MB

    • memory/2460-3-0x0000000001DF0000-0x0000000001E0A000-memory.dmp
      Filesize

      104KB

    • memory/2588-38-0x00000000022E0000-0x0000000002320000-memory.dmp
      Filesize

      256KB

    • memory/2588-34-0x00000000022E0000-0x0000000002320000-memory.dmp
      Filesize

      256KB

    • memory/2588-37-0x00000000022E0000-0x0000000002320000-memory.dmp
      Filesize

      256KB

    • memory/2588-31-0x000000006F9B0000-0x000000006FF5B000-memory.dmp
      Filesize

      5.7MB

    • memory/2588-29-0x000000006F9B0000-0x000000006FF5B000-memory.dmp
      Filesize

      5.7MB

    • memory/2588-39-0x000000006F9B0000-0x000000006FF5B000-memory.dmp
      Filesize

      5.7MB

    • memory/2752-35-0x0000000001DD0000-0x0000000001E10000-memory.dmp
      Filesize

      256KB

    • memory/2752-32-0x000000006F9B0000-0x000000006FF5B000-memory.dmp
      Filesize

      5.7MB

    • memory/2752-40-0x000000006F9B0000-0x000000006FF5B000-memory.dmp
      Filesize

      5.7MB

    • memory/2752-30-0x0000000001DD0000-0x0000000001E10000-memory.dmp
      Filesize

      256KB

    • memory/2752-28-0x000000006F9B0000-0x000000006FF5B000-memory.dmp
      Filesize

      5.7MB