Analysis

  • max time kernel
    84s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2023 15:48

General

  • Target

    Technical Datasheet.exe

  • Size

    714KB

  • MD5

    247f3b0bca91d926a4c89fb8f730e5e2

  • SHA1

    82b18f874db86a8d3e4877c1904948592897761f

  • SHA256

    2a2c485b35334153b9fa9f373dce72eed4f1d2dd4c0652760b8185cbad5ba0aa

  • SHA512

    3b9696407c2d7b5517da2bde36dd26892c620254496a55c550bbf1fee1118938df3665eb2aee20df0d1bf860af297377d94c0f8bbdca880a9442bbc4d9b40bc9

  • SSDEEP

    12288:45CBWKdq1FbwwJLwrRq1JsQT2aRtB55fSAAEwvfLZpV7I+OgEUDwwGXwRbqz:LfrpFcf2aRtBj2Tdpa9GUWbqz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.dutygroup.com.br
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    MelayeResults23@

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Technical Datasheet.exe
    "C:\Users\Admin\AppData\Local\Temp\Technical Datasheet.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\Technical Datasheet.exe
      "C:\Users\Admin\AppData\Local\Temp\Technical Datasheet.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2424

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1920-139-0x0000000007D10000-0x0000000007DAC000-memory.dmp

    Filesize

    624KB

  • memory/1920-135-0x0000000004E10000-0x0000000004EA2000-memory.dmp

    Filesize

    584KB

  • memory/1920-136-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

    Filesize

    40KB

  • memory/1920-137-0x0000000005090000-0x00000000050A0000-memory.dmp

    Filesize

    64KB

  • memory/1920-138-0x0000000005090000-0x00000000050A0000-memory.dmp

    Filesize

    64KB

  • memory/1920-133-0x0000000000380000-0x0000000000438000-memory.dmp

    Filesize

    736KB

  • memory/1920-134-0x0000000005320000-0x00000000058C4000-memory.dmp

    Filesize

    5.6MB

  • memory/2424-140-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2424-143-0x00000000056B0000-0x00000000056C0000-memory.dmp

    Filesize

    64KB

  • memory/2424-144-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/2424-145-0x0000000006840000-0x0000000006890000-memory.dmp

    Filesize

    320KB

  • memory/2424-146-0x0000000006A60000-0x0000000006C22000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-147-0x00000000056B0000-0x00000000056C0000-memory.dmp

    Filesize

    64KB