Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 13:43

General

  • Target

    Swift Copy TT USD14037800.PDF.exe

  • Size

    1.1MB

  • MD5

    2df6b68d7182275e8ae2f5491b6ffb75

  • SHA1

    808470d278270fe91b73338c89ba4e22f5f7db0f

  • SHA256

    383d0f4cc036007f1c717e49856a3e0cf8bfe511673c291f568a2930f0993778

  • SHA512

    fbfdd017c56d3ae701c1717a82e81e83b2f3ed3fa091a2f6885d8e0c75bf5ca833150c477862ebada80bebf94a7cd10acd0f24c15ac89ffc75fb2c43d5edc295

  • SSDEEP

    24576:rAHnh+eWsN3skA4RV1Hom2KXMmHaQHzK8WkU2NHC5:Gh+ZkldoPK8YaQHzK8e2NY

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift Copy TT USD14037800.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift Copy TT USD14037800.PDF.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\directory\name.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift Copy TT USD14037800.PDF.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\Swift Copy TT USD14037800.PDF.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\dews

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\directory\name.exe

    Filesize

    1.1MB

    MD5

    2df6b68d7182275e8ae2f5491b6ffb75

    SHA1

    808470d278270fe91b73338c89ba4e22f5f7db0f

    SHA256

    383d0f4cc036007f1c717e49856a3e0cf8bfe511673c291f568a2930f0993778

    SHA512

    fbfdd017c56d3ae701c1717a82e81e83b2f3ed3fa091a2f6885d8e0c75bf5ca833150c477862ebada80bebf94a7cd10acd0f24c15ac89ffc75fb2c43d5edc295

  • memory/2140-10-0x00000000000B0000-0x00000000000B4000-memory.dmp

    Filesize

    16KB

  • memory/2800-30-0x00000000000A0000-0x00000000000E2000-memory.dmp

    Filesize

    264KB

  • memory/2800-39-0x00000000000A0000-0x00000000000E2000-memory.dmp

    Filesize

    264KB

  • memory/2800-36-0x00000000000A0000-0x00000000000E2000-memory.dmp

    Filesize

    264KB

  • memory/2800-32-0x00000000000A0000-0x00000000000E2000-memory.dmp

    Filesize

    264KB

  • memory/2800-40-0x00000000743BE000-0x00000000743BF000-memory.dmp

    Filesize

    4KB

  • memory/2800-41-0x00000000743B0000-0x0000000074A9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2800-43-0x00000000743BE000-0x00000000743BF000-memory.dmp

    Filesize

    4KB

  • memory/2800-44-0x00000000743B0000-0x0000000074A9E000-memory.dmp

    Filesize

    6.9MB