Analysis

  • max time kernel
    117s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 13:21

General

  • Target

    7d7df676602a9235025bdcc7f5e550d532f294d6e4bd2195e12390e342bccd32.exe

  • Size

    672KB

  • MD5

    b61f68ef968ddae3a9743437fdd26f88

  • SHA1

    3af6f1f6047cbe9319239875f7cc601185d32c94

  • SHA256

    7d7df676602a9235025bdcc7f5e550d532f294d6e4bd2195e12390e342bccd32

  • SHA512

    1d86da57cfaf9697cda684c294da9cc71525e4cc51d9eb8c73eff182ddac5644c2a28887328d408c0e3d12583eba57ce525d08069a28da438475cb9817b33778

  • SSDEEP

    12288:JzDi8LkpEaNB+shFpO31Yw3v2KL9sfHdYrtnoWTKx7FO/fv0Qsb/LkR:JzmjEcB+sbpoSw3JCdY19mQ/fv0QW/O

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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d7df676602a9235025bdcc7f5e550d532f294d6e4bd2195e12390e342bccd32.exe
    "C:\Users\Admin\AppData\Local\Temp\7d7df676602a9235025bdcc7f5e550d532f294d6e4bd2195e12390e342bccd32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2952
    • 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\7d7df676602a9235025bdcc7f5e550d532f294d6e4bd2195e12390e342bccd32.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Jdysdl.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Jdysdl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4338.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2740
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2388
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4338.tmp

      Filesize

      1KB

      MD5

      3e1ffe4c662ec97da88bb91948d44277

      SHA1

      c0ec62b48d82bcc2e256e13d249b1ccf645f47c4

      SHA256

      1ef4260aa3621b1e1466eec118fdb763dcf35bb563837389c5b4b163f5d2ab8f

      SHA512

      eeea5a94c8054a89774a89bca31e8ec83347dd051856786f2fd457db09ec0ed65fa9b77b096926ca60ee98580b18096c3ef84b7e40d8845ec39ee5fdeadab414

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JFB8207JF3Z562PUYAZD.temp

      Filesize

      7KB

      MD5

      776dfc3f1231db8f09f0631be9da529b

      SHA1

      b98147c5266953464f0c76f1ae7b6019365774dc

      SHA256

      76d6b1dd5be3246f35b529cb682b3072987280fe35e3a53515764c59caaf5d8b

      SHA512

      9830402c6109aeab11843dd67b7c57eeee07148fa364f3588f98bbbe65ca6a134ecd9c73a93372c56c79db9a5fb8821a5985fbf24ad17ae8f681608cefc36924

    • memory/2640-29-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2640-22-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2640-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2640-27-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2640-28-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2640-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2640-24-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2640-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2952-2-0x0000000074B20000-0x000000007520E000-memory.dmp

      Filesize

      6.9MB

    • memory/2952-1-0x0000000000D50000-0x0000000000DFA000-memory.dmp

      Filesize

      680KB

    • memory/2952-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

      Filesize

      4KB

    • memory/2952-3-0x0000000000AB0000-0x0000000000ACA000-memory.dmp

      Filesize

      104KB

    • memory/2952-5-0x0000000005270000-0x00000000052F2000-memory.dmp

      Filesize

      520KB

    • memory/2952-4-0x0000000000A10000-0x0000000000A20000-memory.dmp

      Filesize

      64KB

    • memory/2952-30-0x0000000074B20000-0x000000007520E000-memory.dmp

      Filesize

      6.9MB