Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2023 02:06

General

  • Target

    8b9e4e477fb93a3825c25ca32a60bf45f7fa5683fb5432a6e64c5fb7251bc8a1.exe

  • Size

    749KB

  • MD5

    e07c8fab033de47e72fdf3617f52c39f

  • SHA1

    ea003e167cc8625ffb38c593eef47802f031b3e7

  • SHA256

    8b9e4e477fb93a3825c25ca32a60bf45f7fa5683fb5432a6e64c5fb7251bc8a1

  • SHA512

    48e46d401f9009e2a37fcce68985a5259b6353d93509e927e063d8de6076743af5c008452f8a825116d434b853f80c84a9b7bf58d7928ba72be1c04a6bac8d7f

  • SSDEEP

    12288:tYRphkZ5PQEnlGQrF0ddBJryaOAenjVTgBS5LC:tYfK/H/ZQWjVkBS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b9e4e477fb93a3825c25ca32a60bf45f7fa5683fb5432a6e64c5fb7251bc8a1.exe
    "C:\Users\Admin\AppData\Local\Temp\8b9e4e477fb93a3825c25ca32a60bf45f7fa5683fb5432a6e64c5fb7251bc8a1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bDGvQJrECc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2764
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bDGvQJrECc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB3D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2628
    • C:\Users\Admin\AppData\Local\Temp\8b9e4e477fb93a3825c25ca32a60bf45f7fa5683fb5432a6e64c5fb7251bc8a1.exe
      "C:\Users\Admin\AppData\Local\Temp\8b9e4e477fb93a3825c25ca32a60bf45f7fa5683fb5432a6e64c5fb7251bc8a1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAB3D.tmp

    Filesize

    1KB

    MD5

    e73c817654cb9370ec53e162d19598e2

    SHA1

    60227a762b2a091e43d35d7fa47d0f3f720d4d37

    SHA256

    a0eb3a0391819693ce9aefd7984fc1a6eef320b8c73ead3a95070a6d80f3c30e

    SHA512

    eaf60e8fba0bf5ae227434f8305c44fed0a67372f5a3d0d1174ac42bef9ea7f9eac223c313331f3e4ad49ca94de89431c7a9ec338e3777adee51d7971cf683ad

  • memory/2060-6-0x0000000005D60000-0x0000000005DDA000-memory.dmp

    Filesize

    488KB

  • memory/2060-2-0x00000000049C0000-0x0000000004A00000-memory.dmp

    Filesize

    256KB

  • memory/2060-3-0x0000000000380000-0x000000000039A000-memory.dmp

    Filesize

    104KB

  • memory/2060-4-0x00000000003B0000-0x00000000003B8000-memory.dmp

    Filesize

    32KB

  • memory/2060-5-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2060-26-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2060-1-0x00000000741A0000-0x000000007488E000-memory.dmp

    Filesize

    6.9MB

  • memory/2060-0-0x0000000001170000-0x0000000001232000-memory.dmp

    Filesize

    776KB

  • memory/2764-34-0x000000006E620000-0x000000006EBCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-33-0x00000000026E0000-0x0000000002720000-memory.dmp

    Filesize

    256KB

  • memory/2764-32-0x00000000026E0000-0x0000000002720000-memory.dmp

    Filesize

    256KB

  • memory/2764-30-0x000000006E620000-0x000000006EBCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2764-28-0x000000006E620000-0x000000006EBCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2784-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2784-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2784-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2784-29-0x0000000072EA0000-0x000000007358E000-memory.dmp

    Filesize

    6.9MB

  • memory/2784-31-0x0000000004B70000-0x0000000004BB0000-memory.dmp

    Filesize

    256KB

  • memory/2784-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2784-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2784-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2784-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2784-35-0x0000000072EA0000-0x000000007358E000-memory.dmp

    Filesize

    6.9MB

  • memory/2784-36-0x0000000004B70000-0x0000000004BB0000-memory.dmp

    Filesize

    256KB