Analysis

  • max time kernel
    113s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 13:09

General

  • Target

    FVN001-230824.pdf.exe

  • Size

    698KB

  • MD5

    c886350c4259dd843104cd51524770a0

  • SHA1

    595198caebae2f64c3d008425b782e2d7a5f3c00

  • SHA256

    36847d6a88e758a4d823a6e100746c1f505678f8c286ddc2e942c2329ccc36ee

  • SHA512

    e3a7bfe55dab903a28e47be2444ba2b6f68e06602fc28fe0a58fc5d2fd1a045bee5a96eec9f1848a0a221922e91c4b5edd5a0498436916a17ff6c24a04f0056d

  • SSDEEP

    12288:y+DbgAB778Qe2Y2NW76+Lm+nMO6a4Ti+N5qcQB0omFFUoIglO2+1lyV+Rro7n9m:jgABa+W764t6a4+4LQB0oEFUoIE+1u6k

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 3 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FVN001-230824.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FVN001-230824.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5072

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2560-8-0x0000000006A60000-0x0000000006A76000-memory.dmp
    Filesize

    88KB

  • memory/2560-13-0x0000000074430000-0x0000000074BE0000-memory.dmp
    Filesize

    7.7MB

  • memory/2560-0-0x0000000000F30000-0x0000000000FE4000-memory.dmp
    Filesize

    720KB

  • memory/2560-3-0x00000000058F0000-0x0000000005982000-memory.dmp
    Filesize

    584KB

  • memory/2560-4-0x0000000003200000-0x0000000003210000-memory.dmp
    Filesize

    64KB

  • memory/2560-5-0x0000000005870000-0x000000000587A000-memory.dmp
    Filesize

    40KB

  • memory/2560-6-0x0000000006EC0000-0x0000000006ED8000-memory.dmp
    Filesize

    96KB

  • memory/2560-7-0x0000000006A50000-0x0000000006A5E000-memory.dmp
    Filesize

    56KB

  • memory/2560-2-0x0000000005EA0000-0x0000000006444000-memory.dmp
    Filesize

    5.6MB

  • memory/2560-9-0x0000000006AA0000-0x0000000006B24000-memory.dmp
    Filesize

    528KB

  • memory/2560-1-0x0000000074430000-0x0000000074BE0000-memory.dmp
    Filesize

    7.7MB

  • memory/2560-10-0x00000000092F0000-0x000000000938C000-memory.dmp
    Filesize

    624KB

  • memory/5072-14-0x0000000074430000-0x0000000074BE0000-memory.dmp
    Filesize

    7.7MB

  • memory/5072-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/5072-15-0x00000000055A0000-0x00000000055B0000-memory.dmp
    Filesize

    64KB

  • memory/5072-16-0x00000000055B0000-0x0000000005616000-memory.dmp
    Filesize

    408KB

  • memory/5072-17-0x0000000006A10000-0x0000000006A60000-memory.dmp
    Filesize

    320KB

  • memory/5072-18-0x0000000074430000-0x0000000074BE0000-memory.dmp
    Filesize

    7.7MB

  • memory/5072-19-0x00000000055A0000-0x00000000055B0000-memory.dmp
    Filesize

    64KB