Analysis

  • max time kernel
    135s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:15

General

  • Target

    925659f8ff87ec87f55571ec92aa7353d97473bd775caf164124ef337d671b60.exe

  • Size

    1.0MB

  • MD5

    05295e846de6cbdd36a36da35ff77c36

  • SHA1

    bb037dab9a52e4228bec1c34bec4fe3d2f796822

  • SHA256

    925659f8ff87ec87f55571ec92aa7353d97473bd775caf164124ef337d671b60

  • SHA512

    28869bf7e10aed7faf1ee378b23f749a47edc55b6a5edd49b7dec4af2dc9bd0b4a9bc683af0ba818e55cfebf897a839d8109d76835accbd5c423d568cb5d3e39

  • SSDEEP

    24576:1AHnh+eWsN3skA4RV1Hom2KXMmHajFEapcVc/5V5:kh+ZkldoPK8Yajqapc8t

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ultraflex.com.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Jgj8-p4Z]a1b

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\925659f8ff87ec87f55571ec92aa7353d97473bd775caf164124ef337d671b60.exe
    "C:\Users\Admin\AppData\Local\Temp\925659f8ff87ec87f55571ec92aa7353d97473bd775caf164124ef337d671b60.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\925659f8ff87ec87f55571ec92aa7353d97473bd775caf164124ef337d671b60.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2060

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2060-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2060-12-0x000000007528E000-0x000000007528F000-memory.dmp

    Filesize

    4KB

  • memory/2060-13-0x00000000057C0000-0x0000000005D64000-memory.dmp

    Filesize

    5.6MB

  • memory/2060-14-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/2060-15-0x0000000005280000-0x00000000052E6000-memory.dmp

    Filesize

    408KB

  • memory/2060-16-0x0000000006550000-0x00000000065A0000-memory.dmp

    Filesize

    320KB

  • memory/2060-17-0x0000000006640000-0x00000000066D2000-memory.dmp

    Filesize

    584KB

  • memory/2060-18-0x00000000065C0000-0x00000000065CA000-memory.dmp

    Filesize

    40KB

  • memory/2060-19-0x000000007528E000-0x000000007528F000-memory.dmp

    Filesize

    4KB

  • memory/2060-20-0x0000000075280000-0x0000000075A30000-memory.dmp

    Filesize

    7.7MB

  • memory/2620-10-0x00000000020B0000-0x00000000020B4000-memory.dmp

    Filesize

    16KB