Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 14:30

General

  • Target

    8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe

  • Size

    673KB

  • MD5

    f00f7c52552aaf2410ff3082fa37daeb

  • SHA1

    881b033d370728d7abd1b833517bf3c0cfc8d2c8

  • SHA256

    8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914

  • SHA512

    b3d4ccaeb3dcf94962c529bd00ee5b2fe7f956215ef2fd71578e35e75c62a0ca4f466c72292c820ec1313c2fa819cff34e579f8d4151a0e5711b0c06e291d571

  • SSDEEP

    12288:9fYifTnzq6udapuUZ1Z1rFAHPaoq2LLU2GlreaaDyco0wwkR:9Aiz0kpuUZ7UH9erWyoC

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe
    "C:\Users\Admin\AppData\Local\Temp\8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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\8fb777d3216834be1787eb6b32f538983ba82ce75af5925d714036f8d70a2914.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sYntCeaVlYgp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2904
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sYntCeaVlYgp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp63B3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2776
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp63B3.tmp
    Filesize

    1KB

    MD5

    1ebd489cc354a871094cf5e580f37c95

    SHA1

    d7d90068de8e162c241397ce62ec41c27e3802dc

    SHA256

    074d361adb81b59c26e97abf3da26946df90f8261560958693ba937cb16c3f01

    SHA512

    f14d90539c2e16cbca33ddaf12b0f50beab8f7a3aed409967bf255b8d67710759b8c0e49dc19806bb761b47bd103d3aea60b164111e6eaf47baa473b472000bd

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZQ90I86JGTB9KH6Y8Q7K.temp
    Filesize

    7KB

    MD5

    934a80d1c4a00a180aacc7470f6ed9da

    SHA1

    2f3f41f49c55aa48b1a9997984543fb8281ee226

    SHA256

    adbe90346fc3e18532a6ce2baed37f7af4d121cc5709ac87f48075e1d56441e4

    SHA512

    d187756c6a016680aae8d53131ac4cbb8b984830b7b1f2fa9be1946ba897ccbce8cbc6170406686a0397cbc6c8481a6865f8748ae7cad0835a71997f4b59ea3b

  • memory/1852-18-0x0000000074ADE000-0x0000000074ADF000-memory.dmp
    Filesize

    4KB

  • memory/1852-32-0x0000000074AD0000-0x00000000751BE000-memory.dmp
    Filesize

    6.9MB

  • memory/1852-4-0x0000000000380000-0x0000000000390000-memory.dmp
    Filesize

    64KB

  • memory/1852-5-0x00000000051C0000-0x0000000005244000-memory.dmp
    Filesize

    528KB

  • memory/1852-2-0x0000000074AD0000-0x00000000751BE000-memory.dmp
    Filesize

    6.9MB

  • memory/1852-1-0x0000000000CF0000-0x0000000000D9A000-memory.dmp
    Filesize

    680KB

  • memory/1852-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp
    Filesize

    4KB

  • memory/1852-3-0x0000000000650000-0x000000000066A000-memory.dmp
    Filesize

    104KB

  • memory/2524-25-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2524-31-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2524-29-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2524-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2524-23-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2524-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2524-19-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2524-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB