Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/08/2023, 11:47

General

  • Target

    5cf1b3cf7987c16061df1f12f5be01702df47d4d003f4fc7844d36583b0df168.exe

  • Size

    699KB

  • MD5

    b7f78ca0260d9d5702c05055f2317fa5

  • SHA1

    34fc4931a1216fe594211943a50b5051b47f309e

  • SHA256

    5cf1b3cf7987c16061df1f12f5be01702df47d4d003f4fc7844d36583b0df168

  • SHA512

    83221553428e6d0faf69915e5f6972f7a7318ca86a3ccb3fdf173b78fa20a49fae1f945ad09f500f9fc889daf5213d8fe7cb1421bdab0bbb135553234e8958ab

  • SSDEEP

    12288:eJmefaynh6z0QM3zmpcSmiy5Znab4ID+DfUcdAA:HeCQ6z0VycRiYtUEA

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.cvgunawanplastik.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nPIeW(xuXTwi

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.cvgunawanplastik.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nPIeW(xuXTwi

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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\5cf1b3cf7987c16061df1f12f5be01702df47d4d003f4fc7844d36583b0df168.exe
    "C:\Users\Admin\AppData\Local\Temp\5cf1b3cf7987c16061df1f12f5be01702df47d4d003f4fc7844d36583b0df168.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\5cf1b3cf7987c16061df1f12f5be01702df47d4d003f4fc7844d36583b0df168.exe
      "C:\Users\Admin\AppData\Local\Temp\5cf1b3cf7987c16061df1f12f5be01702df47d4d003f4fc7844d36583b0df168.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5cf1b3cf7987c16061df1f12f5be01702df47d4d003f4fc7844d36583b0df168.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3020-141-0x000000000A280000-0x000000000A31C000-memory.dmp

    Filesize

    624KB

  • memory/3020-134-0x0000000000290000-0x0000000000344000-memory.dmp

    Filesize

    720KB

  • memory/3020-136-0x0000000004D90000-0x0000000004E22000-memory.dmp

    Filesize

    584KB

  • memory/3020-137-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

    Filesize

    64KB

  • memory/3020-138-0x0000000004D50000-0x0000000004D5A000-memory.dmp

    Filesize

    40KB

  • memory/3020-139-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-140-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

    Filesize

    64KB

  • memory/3020-133-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3020-135-0x00000000052A0000-0x0000000005844000-memory.dmp

    Filesize

    5.6MB

  • memory/3020-148-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4528-145-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4528-146-0x0000000002AA0000-0x0000000002AB0000-memory.dmp

    Filesize

    64KB

  • memory/4528-142-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4528-147-0x0000000004F50000-0x0000000004FB6000-memory.dmp

    Filesize

    408KB

  • memory/4528-150-0x0000000005E00000-0x0000000005E50000-memory.dmp

    Filesize

    320KB

  • memory/4528-151-0x0000000006020000-0x00000000061E2000-memory.dmp

    Filesize

    1.8MB

  • memory/4528-161-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4528-162-0x0000000002AA0000-0x0000000002AB0000-memory.dmp

    Filesize

    64KB