Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 06:57

General

  • Target

    DHL_Document.68765365786789768756534575786986.exe

  • Size

    656KB

  • MD5

    67ba70657c56f2c7b9e41cd29dfe8420

  • SHA1

    f95dc5a17d2316d638f413f68049bdc6e9869c6b

  • SHA256

    94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7

  • SHA512

    490a806cd3cef05f0d758b68d662cac9ab551d839cfef0a1a7c713b3e1b7017f9873cdd7118daa6a1052c40c9c2e9c81be5fff5e22dee8e7a042d47386423f68

  • SSDEEP

    12288:psHzOUNUSB/o5LsI1uwajJ5yvv1l25jfB7/+bj74WbZzS4fk/cP4l0dfuPTT:QiUmSB/o5d1ubcvIWbnHZexUmf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fosna.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    jF&ZPSBJ*@6T

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Looks up external IP address via web service 1 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 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_Document.68765365786789768756534575786986.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_Document.68765365786789768756534575786986.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_Document.68765365786789768756534575786986.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2556

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2556-12-0x0000000000090000-0x00000000000D2000-memory.dmp
    Filesize

    264KB

  • memory/2556-14-0x0000000000090000-0x00000000000D2000-memory.dmp
    Filesize

    264KB

  • memory/2556-19-0x0000000000090000-0x00000000000D2000-memory.dmp
    Filesize

    264KB

  • memory/2556-22-0x0000000000090000-0x00000000000D2000-memory.dmp
    Filesize

    264KB

  • memory/2556-23-0x00000000743A0000-0x0000000074A8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2556-24-0x0000000004A40000-0x0000000004A80000-memory.dmp
    Filesize

    256KB

  • memory/2556-25-0x00000000743A0000-0x0000000074A8E000-memory.dmp
    Filesize

    6.9MB

  • memory/2556-26-0x0000000004A40000-0x0000000004A80000-memory.dmp
    Filesize

    256KB

  • memory/2656-0-0x0000000000270000-0x00000000003E5000-memory.dmp
    Filesize

    1.5MB

  • memory/2656-11-0x00000000000B0000-0x00000000000B4000-memory.dmp
    Filesize

    16KB

  • memory/2656-15-0x0000000000270000-0x00000000003E5000-memory.dmp
    Filesize

    1.5MB