Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 16:38

General

  • Target

    87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd.exe

  • Size

    676KB

  • MD5

    d760dc358592d6717d4d6ca1ca0b4a41

  • SHA1

    c9cecc6110f3568c4b8d38c95f834b3bf7a7c0d8

  • SHA256

    87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd

  • SHA512

    b32aad32df292055078aa2a5f98205da2fef69f183d8feaf2e79e2cc085430c80feb2560ebc733f6b2c5a994bfc5438071ddf40cd6c588ac5609a2676758290a

  • SSDEEP

    12288:jAlv312Z3HmMPKvWPRqYtuJu+OixvozCaRXrJ6hVxB+8i53tzL73EmlPTS2b:jAJ312ZHmMi+PoYb+rw7XFcfB+B5RLDH

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    N@DRpoY0

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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\87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd.exe
    "C:\Users\Admin\AppData\Local\Temp\87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4252
    • C:\Users\Admin\AppData\Local\Temp\87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd.exe
      "C:\Users\Admin\AppData\Local\Temp\87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\87c5e257097fbb317f8f64250f0796574dfaf1e132e4819dc9c62d9d59c227dd.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/4252-8-0x0000000008AE0000-0x0000000008B64000-memory.dmp
    Filesize

    528KB

  • memory/4252-3-0x0000000005970000-0x0000000005A02000-memory.dmp
    Filesize

    584KB

  • memory/4252-9-0x000000000C0A0000-0x000000000C13C000-memory.dmp
    Filesize

    624KB

  • memory/4252-1-0x0000000074F90000-0x0000000075740000-memory.dmp
    Filesize

    7.7MB

  • memory/4252-5-0x0000000005910000-0x000000000591A000-memory.dmp
    Filesize

    40KB

  • memory/4252-6-0x0000000005920000-0x0000000005940000-memory.dmp
    Filesize

    128KB

  • memory/4252-7-0x0000000005B70000-0x0000000005B84000-memory.dmp
    Filesize

    80KB

  • memory/4252-0-0x0000000000E60000-0x0000000000F10000-memory.dmp
    Filesize

    704KB

  • memory/4252-13-0x0000000074F90000-0x0000000075740000-memory.dmp
    Filesize

    7.7MB

  • memory/4252-2-0x0000000005F20000-0x00000000064C4000-memory.dmp
    Filesize

    5.6MB

  • memory/4252-4-0x0000000005BA0000-0x0000000005BB0000-memory.dmp
    Filesize

    64KB

  • memory/4552-14-0x0000000074F90000-0x0000000075740000-memory.dmp
    Filesize

    7.7MB

  • memory/4552-19-0x0000000005510000-0x0000000005520000-memory.dmp
    Filesize

    64KB

  • memory/4552-15-0x0000000005510000-0x0000000005520000-memory.dmp
    Filesize

    64KB

  • memory/4552-16-0x0000000005690000-0x00000000056F6000-memory.dmp
    Filesize

    408KB

  • memory/4552-17-0x0000000006480000-0x00000000064D0000-memory.dmp
    Filesize

    320KB

  • memory/4552-18-0x0000000074F90000-0x0000000075740000-memory.dmp
    Filesize

    7.7MB

  • memory/4552-10-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB