Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 14:39

General

  • Target

    ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

  • Size

    1009KB

  • MD5

    72b1dfb60cae17dc577fa43347f69c41

  • SHA1

    5eeb711eb6ade3532a11443fe10941ab15c47a52

  • SHA256

    ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3

  • SHA512

    627e70d818922bc93784f977e6111f5ec5e87da5c6053317854be7de78dfe31d73783a36cae61d1b8e3c2a7b8a5108c2a0a2a06d49f56fd5377556e8d19f9e01

  • SSDEEP

    24576:TAHnh+eWsN3skA4RV1Hom2KXMmHaukON3e7NDR1kt45:eh+ZkldoPK8YauNI7NV1ko

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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 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\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
    "C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 696
      2⤵
      • Program crash
      PID:1444
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3332 -ip 3332
    1⤵
      PID:2168

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2448-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2448-12-0x00000000736BE000-0x00000000736BF000-memory.dmp

      Filesize

      4KB

    • memory/2448-13-0x00000000059E0000-0x0000000005F84000-memory.dmp

      Filesize

      5.6MB

    • memory/2448-14-0x00000000053B0000-0x0000000005416000-memory.dmp

      Filesize

      408KB

    • memory/2448-15-0x00000000736B0000-0x0000000073E60000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-16-0x00000000067F0000-0x0000000006840000-memory.dmp

      Filesize

      320KB

    • memory/2448-17-0x00000000068E0000-0x0000000006972000-memory.dmp

      Filesize

      584KB

    • memory/2448-18-0x0000000006860000-0x000000000686A000-memory.dmp

      Filesize

      40KB

    • memory/2448-19-0x00000000736BE000-0x00000000736BF000-memory.dmp

      Filesize

      4KB

    • memory/2448-20-0x00000000736B0000-0x0000000073E60000-memory.dmp

      Filesize

      7.7MB

    • memory/3332-10-0x0000000000B60000-0x0000000000B64000-memory.dmp

      Filesize

      16KB