Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 11:30

General

  • Target

    tmpv7bbnovb.exe

  • Size

    994KB

  • MD5

    d30bb9df615a8d1661f843d426ff40eb

  • SHA1

    4344e695b5f65917dc68f241ecde4b99cf25d930

  • SHA256

    b54ee7375e7ea979d16b76f183aaaccfa49681e2bd748ffca202fde9cf823346

  • SHA512

    44963c4b52eebb7c07d8cd9b2766faccc045dea166c76a479cdccbba06a9dc1a5b4be1003daed93b72f64f848497c3ae57be99501aa11d4569b30b7e7e26706c

  • SSDEEP

    24576:OeTLGMbsHwgKQuF/WaW+Bsfvuo+YZSU11q:ONHQqDt+BcGodZSf

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpv7bbnovb.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpv7bbnovb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2336
    • 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\tmpv7bbnovb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hXWRsfvO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hXWRsfvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9203.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9203.tmp

    Filesize

    1KB

    MD5

    df4c1b43a17341f62c32f22ba7126bd5

    SHA1

    42b739de3922c487822172d9b06a220080f26c17

    SHA256

    619fc2b355eafb9ac1fd4c2b6df385ecc022731ab857e35cc5e98c3c90dc8964

    SHA512

    f9790bfe8e08664d2495cbffb62e0633eb41b6fbeeec7a2340b623cadec88ebdce3440a758eda03130c7e60edb50f3e15d11e7ceebfc09e536e897c651b62dca

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    bfc86420e222490d61c08cdfb2f2ebf3

    SHA1

    73e91a39ec533bc8c5e32dd8ff104cf15063c269

    SHA256

    3113adfc1a0e75e8bf1a61e9a38b0208511f31321b703e8ac097dbed31b5a5e1

    SHA512

    55b0f7118d775a52ffbb3c38c0cb1f2c468f3d8883d7ce19f2a212a33a755d563db7b5695f3034f46ecbe2d0ecc0c461ebe9a8bbfb7efc6ef29da8690182de3c

  • memory/2088-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2088-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2088-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2088-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2088-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2088-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2088-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2088-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2336-6-0x00000000051D0000-0x0000000005252000-memory.dmp

    Filesize

    520KB

  • memory/2336-1-0x00000000003E0000-0x00000000004DE000-memory.dmp

    Filesize

    1016KB

  • memory/2336-0-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/2336-2-0x0000000074420000-0x0000000074B0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2336-3-0x0000000000330000-0x0000000000340000-memory.dmp

    Filesize

    64KB

  • memory/2336-5-0x0000000074420000-0x0000000074B0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2336-4-0x000000007442E000-0x000000007442F000-memory.dmp

    Filesize

    4KB

  • memory/2336-32-0x0000000074420000-0x0000000074B0E000-memory.dmp

    Filesize

    6.9MB