Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

  • max time kernel
    119s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2023 06:32

General

  • Target

    1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe

  • Size

    878KB

  • MD5

    9dcf195dc26fcbddd145ad670b055f03

  • SHA1

    b274a3cb51b3c2b0caf34d202ee04e6b261e138e

  • SHA256

    1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e

  • SHA512

    a2ca33f230e9df6227e33b889bfae20f654d2281c5a880f94c4e4e911b3c00901edceab2021e61bceaff86d92d525330f5e50c4a649b00fc4fa9bed7fcf43b65

  • SSDEEP

    12288:FuybJQ1q9I6/kldSCGDykct0hiYeyoGBIqpTh2e1h1nUiZdmWVsQmood+ik4g8yX:FuEQOPWkhxNt2ChayAWOQmUrEloD

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.symmdentaesthetics.com/
  • Port:
    21
  • Username:
    [email protected]/
  • Password:
    smartooo@12

  • Protocol:
    ftp
  • Host:
    ftp://ftp.symmdentaesthetics.com/
  • Port:
    21
  • Username:
    [email protected]/
  • Password:
    smartooo@12

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
    "C:\Users\Admin\AppData\Local\Temp\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Users\Admin\AppData\Local\Temp\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
      "{path}"
      2⤵
        PID:2720
      • C:\Users\Admin\AppData\Local\Temp\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1bc393e569289b6d134bec11c9898225745d2348a8a297bf5fcb3c73a64c385e.exe.log

      Filesize

      507B

      MD5

      ab4c71d3ff6255edd4e5c1e09540f49e

      SHA1

      22e06bf4e258741b5df918061871cba998c50cea

      SHA256

      1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

      SHA512

      8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

    • memory/3400-146-0x0000000005D80000-0x0000000005DE6000-memory.dmp

      Filesize

      408KB

    • memory/3400-147-0x0000000074DB0000-0x0000000075560000-memory.dmp

      Filesize

      7.7MB

    • memory/3400-151-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/3400-150-0x0000000006380000-0x000000000638A000-memory.dmp

      Filesize

      40KB

    • memory/3400-143-0x0000000074DB0000-0x0000000075560000-memory.dmp

      Filesize

      7.7MB

    • memory/3400-149-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/3400-140-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3400-145-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/3400-148-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/3748-139-0x00000000061C0000-0x0000000006764000-memory.dmp

      Filesize

      5.6MB

    • memory/3748-134-0x0000000000830000-0x0000000000910000-memory.dmp

      Filesize

      896KB

    • memory/3748-133-0x0000000074DB0000-0x0000000075560000-memory.dmp

      Filesize

      7.7MB

    • memory/3748-138-0x00000000055B0000-0x00000000055C0000-memory.dmp

      Filesize

      64KB

    • memory/3748-136-0x00000000053E0000-0x0000000005472000-memory.dmp

      Filesize

      584KB

    • memory/3748-135-0x0000000005310000-0x00000000053AC000-memory.dmp

      Filesize

      624KB

    • memory/3748-137-0x0000000074DB0000-0x0000000075560000-memory.dmp

      Filesize

      7.7MB

    • memory/3748-144-0x0000000074DB0000-0x0000000075560000-memory.dmp

      Filesize

      7.7MB