Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 01:01

General

  • Target

    cotización.PDF_98776456879808756846576879806765687976457687986764.exe

  • Size

    88.0MB

  • MD5

    e4a8ce0f507c8ba1023007a3fcfdef7e

  • SHA1

    ae93d87dc7532f2c330e2ab7d39a39f131dd959b

  • SHA256

    001b21318e75c49c1b0e415008530611da89163328b29d65ade1f7edde25328d

  • SHA512

    97370fc754fb67fa95042e706894a4e36fe7f5337aff32490506e7f7738050c6dc2bec68561a1228312bf99985aeb330701b440a57e169416c1a690cd61220fa

  • SSDEEP

    12288:v6Wq4aaE6KwyF5L0Y2D1PqLuKjL6vV34jxMQzpWlXeXpddOgLWHlqd48EJGpZpGe:tthEVaPqLnLoVqxsuX9uqd4nG/pG3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    =A+N^@~c]~#I

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe
    "C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\cotización.PDF_98776456879808756846576879806765687976457687986764.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2656-0-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2656-3-0x0000000003DA0000-0x00000000041A0000-memory.dmp

    Filesize

    4.0MB

  • memory/2656-9-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2776-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2776-10-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/2776-11-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2776-12-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/2776-13-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB