Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 02:25

General

  • Target

    ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe

  • Size

    1015KB

  • MD5

    b3d8677a4bc5a507cdd7614fe99390b2

  • SHA1

    677c75a7542312002b21d28860a5c9eedcdbdf19

  • SHA256

    ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668

  • SHA512

    2a3af812775eb5dd134e7e129f049205a4a63e750882f6e554bb4e1b3d2fc1a8125e3575a3583c7c1989d3a039bd1757e01085d5bf3d3bfc2fa839d84681fc67

  • SSDEEP

    24576:EAHnh+eWsN3skA4RV1Hom2KXMmHaImXD/Tbs15:Th+ZkldoPK8YaImi

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    u;4z3V.Iir1l

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 2 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\ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe
    "C:\Users\Admin\AppData\Local\Temp\ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\ca2b636592073072d7d18c90447737b6f2969dcb89c9f0b672b797d63e5a5668.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3084

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3084-11-0x0000000000420000-0x0000000000462000-memory.dmp

    Filesize

    264KB

  • memory/3084-12-0x000000007481E000-0x000000007481F000-memory.dmp

    Filesize

    4KB

  • memory/3084-13-0x0000000005080000-0x0000000005624000-memory.dmp

    Filesize

    5.6MB

  • memory/3084-14-0x0000000004BD0000-0x0000000004C36000-memory.dmp

    Filesize

    408KB

  • memory/3084-15-0x0000000074810000-0x0000000074FC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-16-0x0000000005EA0000-0x0000000005EF0000-memory.dmp

    Filesize

    320KB

  • memory/3084-17-0x0000000005F90000-0x0000000006022000-memory.dmp

    Filesize

    584KB

  • memory/3084-18-0x0000000005F20000-0x0000000005F2A000-memory.dmp

    Filesize

    40KB

  • memory/3084-19-0x000000007481E000-0x000000007481F000-memory.dmp

    Filesize

    4KB

  • memory/3084-20-0x0000000074810000-0x0000000074FC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3608-10-0x0000000001250000-0x0000000001254000-memory.dmp

    Filesize

    16KB