Analysis

  • max time kernel
    95s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 01:16

General

  • Target

    orden de compra_765645343465789675764567845768795764.exe

  • Size

    2.4MB

  • MD5

    038582cff59bd7c92aa1d71b8ac632c7

  • SHA1

    ff4bfdc38ab995019c8685ea4bc63951e5f370ee

  • SHA256

    9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5

  • SHA512

    6e72be1e887a305ae4636b063b9438a0c0cfe667387a235960f57b0853973a23e426508aeef9adc6891e6536a1c3bf2c41b00961f6aad32e0eb2f2b7d2f82a33

  • SSDEEP

    49152:dbdYAm4zEbdYAm4zXbdYAm4zKbdYAm4zFbdYAm4zB3An3AI3AJ3Aa:ddrWdrrdrAdr1drlA3AaAtAa

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.

  • Agenttesla family
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\orden de compra_765645343465789675764567845768795764.exe
    "C:\Users\Admin\AppData\Local\Temp\orden de compra_765645343465789675764567845768795764.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2468-49-0x0000000005050000-0x00000000050B6000-memory.dmp

    Filesize

    408KB

  • memory/2468-50-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-45-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/2468-54-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/2468-53-0x00000000063A0000-0x00000000063AA000-memory.dmp

    Filesize

    40KB

  • memory/2468-38-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/2468-42-0x00000000009F0000-0x00000000009F1000-memory.dmp

    Filesize

    4KB

  • memory/2468-52-0x0000000006440000-0x00000000064D2000-memory.dmp

    Filesize

    584KB

  • memory/2468-46-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-41-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

    Filesize

    4KB

  • memory/2468-55-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-51-0x0000000006350000-0x00000000063A0000-memory.dmp

    Filesize

    320KB

  • memory/2468-47-0x00000000056E0000-0x0000000005C84000-memory.dmp

    Filesize

    5.6MB

  • memory/4556-44-0x0000000002210000-0x0000000002218000-memory.dmp

    Filesize

    32KB

  • memory/4556-48-0x00000000756F0000-0x000000007584D000-memory.dmp

    Filesize

    1.4MB

  • memory/4556-2-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

    Filesize

    4KB

  • memory/4556-3-0x00000000021E0000-0x00000000021E1000-memory.dmp

    Filesize

    4KB

  • memory/4556-8-0x00000000006C0000-0x00000000007C0000-memory.dmp

    Filesize

    1024KB

  • memory/4556-43-0x00000000006C0000-0x00000000007C0000-memory.dmp

    Filesize

    1024KB

  • memory/4556-10-0x00000000756F0000-0x000000007584D000-memory.dmp

    Filesize

    1.4MB

  • memory/4556-9-0x0000000075721000-0x0000000075722000-memory.dmp

    Filesize

    4KB

  • memory/4556-39-0x00000000756F0000-0x000000007584D000-memory.dmp

    Filesize

    1.4MB