Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 01:45

General

  • Target

    5bb45a9e94a12116e4e1244308f51db2effc3ee8fbe7753f27a948a3c95c1cf0.exe

  • Size

    824KB

  • MD5

    517f49c8319978f5bc165ef8ea5309fb

  • SHA1

    cc9c65d0ec047d1a162af2a1b3e8994b3e97c28f

  • SHA256

    5bb45a9e94a12116e4e1244308f51db2effc3ee8fbe7753f27a948a3c95c1cf0

  • SHA512

    dada75316579c38b39d4ebb065dc96f790755e1ad94d988fd13242422bf0f0954396bc3e744d8ef3402829cbe2c5e7255336a98f80609819ec70e31a5d627a9c

  • SSDEEP

    12288:TSqnHvjNIrpf9rN/mc/CIJ2peFczQEyQ/5sKjpCojFaLTaMWpRZdwZzsXVMA:TvPjKr5BNDdJUEczQOOKj7FaSMKbKQW

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.myhydropowered.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qMkzJ0n1W2XEuTx

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.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bb45a9e94a12116e4e1244308f51db2effc3ee8fbe7753f27a948a3c95c1cf0.exe
    "C:\Users\Admin\AppData\Local\Temp\5bb45a9e94a12116e4e1244308f51db2effc3ee8fbe7753f27a948a3c95c1cf0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\5bb45a9e94a12116e4e1244308f51db2effc3ee8fbe7753f27a948a3c95c1cf0.exe
      "C:\Users\Admin\AppData\Local\Temp\5bb45a9e94a12116e4e1244308f51db2effc3ee8fbe7753f27a948a3c95c1cf0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1964

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5bb45a9e94a12116e4e1244308f51db2effc3ee8fbe7753f27a948a3c95c1cf0.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1804-8-0x0000000009720000-0x00000000097A4000-memory.dmp
    Filesize

    528KB

  • memory/1804-3-0x0000000005830000-0x00000000058C2000-memory.dmp
    Filesize

    584KB

  • memory/1804-9-0x000000000C840000-0x000000000C8DC000-memory.dmp
    Filesize

    624KB

  • memory/1804-1-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1804-5-0x0000000005800000-0x000000000580A000-memory.dmp
    Filesize

    40KB

  • memory/1804-6-0x0000000006B20000-0x0000000006B40000-memory.dmp
    Filesize

    128KB

  • memory/1804-7-0x0000000005CE0000-0x0000000005CF4000-memory.dmp
    Filesize

    80KB

  • memory/1804-0-0x0000000000D30000-0x0000000000E04000-memory.dmp
    Filesize

    848KB

  • memory/1804-15-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1804-2-0x0000000005D00000-0x00000000062A4000-memory.dmp
    Filesize

    5.6MB

  • memory/1804-4-0x0000000005980000-0x0000000005990000-memory.dmp
    Filesize

    64KB

  • memory/1964-13-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1964-14-0x00000000031E0000-0x00000000031F0000-memory.dmp
    Filesize

    64KB

  • memory/1964-19-0x00000000031E0000-0x00000000031F0000-memory.dmp
    Filesize

    64KB

  • memory/1964-16-0x0000000005960000-0x00000000059C6000-memory.dmp
    Filesize

    408KB

  • memory/1964-17-0x0000000006D80000-0x0000000006DD0000-memory.dmp
    Filesize

    320KB

  • memory/1964-18-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1964-10-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB