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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2024, 14:17

General

  • Target

    Chitanță bancară - #113243.pdf.exe

  • Size

    1.4MB

  • MD5

    324ca945731684e473f9ba237eb7bcd9

  • SHA1

    be6ca9092fecbe0e8c67e33d6c3bd60fbc1a194e

  • SHA256

    173f352caf429971b671dd49c04aaf7d61c6d04fe11e9ef6e7976f395a9b844b

  • SHA512

    fdffba68689ec0cda6db9b044e3ce07b2ade9227ac8940da57c1bd4e42b33257096edaf8dfdc7ea6b2dc317cbba185e06378f0218a3f5da5e61c44742c291239

  • SSDEEP

    24576:PAHnh+eWsN3skA4RV1Hom2KXMmHaKtbC6z6yk9muz3c5MwhuRJ5:yh+ZkldoPK8YaKtbC6z6l9mubOMKE

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.elquijotebanquetes.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    q.15SE~j1@};

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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Chitanță bancară - #113243.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Chitanță bancară - #113243.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Chitanță bancară - #113243.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:320

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/320-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/320-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/320-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/320-16-0x0000000073D20000-0x000000007440E000-memory.dmp

    Filesize

    6.9MB

  • memory/320-17-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB

  • memory/320-18-0x0000000073D20000-0x000000007440E000-memory.dmp

    Filesize

    6.9MB

  • memory/320-19-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

    Filesize

    256KB

  • memory/2324-10-0x0000000000150000-0x0000000000154000-memory.dmp

    Filesize

    16KB