Resubmissions

22-09-2022 18:09

220922-wrr3bacbc5 10

21-09-2022 18:54

220921-xj9g3aghe3 10

Analysis

  • max time kernel
    91s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • submitted
    21-09-2022 18:54

General

  • Target

    Curr¡culum Vitae Rita.exe

  • Size

    1.0MB

  • MD5

    ec74c708001090117278d032f8342453

  • SHA1

    f34edd03b9072dff0cbc4bfbeff2c18b98a6933e

  • SHA256

    720d90ad498171d943399e010d4aa16cc65f69bbff6f042d6b364813cfd168bb

  • SHA512

    1c7a867bd4b29ac7f83b9a406e979bc3715561dfd4d65c4378a6d7c17c96745a915f1e7e4aee8de2a2b35dca0a2c7a2c1c7ed0d6e278d30377a21cde717fcbd4

  • SSDEEP

    12288:DBluwyS7oLFMrfbIT7TNIOEbRbNmu3ROUKCeKowyaqfpPWla:tlFEFMrEHpIdbcqRnKDKo1pP+a

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5700681005:AAF2K-iQMsKRkqCcUgSZLmmugrKJcbb8Xg8/

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Curr¡culum Vitae Rita.exe
    "C:\Users\Admin\AppData\Local\Temp\Curr¡culum Vitae Rita.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\Curr¡culum Vitae Rita.exe
      "C:\Users\Admin\AppData\Local\Temp\Curr¡culum Vitae Rita.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Curr¡culum Vitae Rita.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • memory/2140-132-0x0000000000FB0000-0x00000000010C0000-memory.dmp

    Filesize

    1.1MB

  • memory/2140-133-0x0000000006080000-0x0000000006624000-memory.dmp

    Filesize

    5.6MB

  • memory/2140-134-0x0000000005AD0000-0x0000000005B62000-memory.dmp

    Filesize

    584KB

  • memory/2140-135-0x0000000005A70000-0x0000000005A7A000-memory.dmp

    Filesize

    40KB

  • memory/2140-136-0x0000000009A10000-0x0000000009AAC000-memory.dmp

    Filesize

    624KB

  • memory/2140-137-0x0000000001680000-0x00000000016E6000-memory.dmp

    Filesize

    408KB

  • memory/3560-139-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3560-141-0x0000000006860000-0x00000000068B0000-memory.dmp

    Filesize

    320KB