Resubmissions

27-12-2022 14:34

221227-rxqn8afa54 10

27-12-2022 14:34

221227-rxfh9afa52 10

25-12-2022 11:46

221225-nxcwksee8w 10

Analysis

  • max time kernel
    53s
  • max time network
    139s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25-12-2022 11:46

General

  • Target

    f2335865a426507b47ecf5e37dcae9a3.exe

  • Size

    860KB

  • MD5

    f2335865a426507b47ecf5e37dcae9a3

  • SHA1

    7ccf56c9c48ffc911ac80ddf5240a42c99f83e33

  • SHA256

    57901cf97d0ab4c57f8b4927c75bd8761182b5ddb80d09bb917aab71ae68d7c6

  • SHA512

    67fd0fb2b872446957c570fb3418ee41363b8b0a6362819c36cef81454acadb2892e31dab2f7760a2f848c92b2b61b8ad5012a6781281f6cb009815c9424e208

  • SSDEEP

    24576:EsFdELpCybniAU6cH80ru/71mnMOrYH1ocO:FFdELpCybniAU6Gu/71mndM1jO

Malware Config

Extracted

Family

agenttesla

Credentials

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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 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\f2335865a426507b47ecf5e37dcae9a3.exe
    "C:\Users\Admin\AppData\Local\Temp\f2335865a426507b47ecf5e37dcae9a3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\f2335865a426507b47ecf5e37dcae9a3.exe
      "C:\Users\Admin\AppData\Local\Temp\f2335865a426507b47ecf5e37dcae9a3.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:3580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f2335865a426507b47ecf5e37dcae9a3.exe.log

    Filesize

    1KB

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2764-116-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-117-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-118-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-119-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-120-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-121-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-122-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-123-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-124-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-125-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-126-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-127-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-128-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-129-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-130-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-131-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-132-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-133-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-134-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-135-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-136-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-137-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-138-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-140-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-139-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-141-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-143-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-142-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-144-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-145-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-146-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-147-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-148-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-150-0x0000000000C40000-0x0000000000D1E000-memory.dmp

    Filesize

    888KB

  • memory/2764-149-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-151-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-152-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-153-0x0000000005B30000-0x000000000602E000-memory.dmp

    Filesize

    5.0MB

  • memory/2764-154-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-155-0x0000000005570000-0x0000000005602000-memory.dmp

    Filesize

    584KB

  • memory/2764-157-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-156-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-158-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-159-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-161-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-163-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-164-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-162-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-166-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-165-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-167-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-160-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-168-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-169-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-170-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-171-0x0000000005540000-0x000000000554A000-memory.dmp

    Filesize

    40KB

  • memory/2764-173-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-174-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-172-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-175-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-177-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-179-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

    Filesize

    64KB

  • memory/2764-178-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-176-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-180-0x0000000005B20000-0x0000000005B2A000-memory.dmp

    Filesize

    40KB

  • memory/2764-181-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/2764-182-0x0000000008050000-0x00000000080B8000-memory.dmp

    Filesize

    416KB

  • memory/2764-183-0x0000000008170000-0x000000000820C000-memory.dmp

    Filesize

    624KB

  • memory/2764-184-0x00000000080F0000-0x000000000811E000-memory.dmp

    Filesize

    184KB

  • memory/2764-188-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/3580-185-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3580-189-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/3580-187-0x00000000779B0000-0x0000000077B3E000-memory.dmp

    Filesize

    1.6MB

  • memory/3580-246-0x00000000058F0000-0x0000000005908000-memory.dmp

    Filesize

    96KB

  • memory/3580-248-0x0000000005FA0000-0x0000000006006000-memory.dmp

    Filesize

    408KB

  • memory/3580-278-0x0000000007060000-0x00000000070B0000-memory.dmp

    Filesize

    320KB