Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

  • max time kernel
    121s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2023 06:32

General

  • Target

    1f9c6d71f4eba009486692e8734d2ed0ac586ad0310811c8e938985bc0385e5a.exe

  • Size

    791KB

  • MD5

    08cb38a1274abadd3f605e9f7239ca56

  • SHA1

    8bb01a3786d714baef32cb3cb412f63509cdfd7a

  • SHA256

    1f9c6d71f4eba009486692e8734d2ed0ac586ad0310811c8e938985bc0385e5a

  • SHA512

    2d758ff01a15207ef2dcaf53bed258622a8e2a5d3ff04eb60b0568fa9f9e9540b3c40381e382a92c18709decec5a2c57d1f40f099e119e0a4a549faf3d9bd557

  • SSDEEP

    12288:fOn811q9I6/kVdSC0DyKSN2L1RzqR54SGtCAXru4Ngdgevovc4od+ik4g8ylSoD:fO81udWK0s/zqRyUj2KrtkrE3oD

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flood-protection.org
  • Port:
    587
  • Username:
    musa@flood-protection.org
  • Password:
    musa2424@

Signatures

  • AgentTesla

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

  • AgentTesla payload 8 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f9c6d71f4eba009486692e8734d2ed0ac586ad0310811c8e938985bc0385e5a.exe
    "C:\Users\Admin\AppData\Local\Temp\1f9c6d71f4eba009486692e8734d2ed0ac586ad0310811c8e938985bc0385e5a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\1f9c6d71f4eba009486692e8734d2ed0ac586ad0310811c8e938985bc0385e5a.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2856

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2088-54-0x0000000074670000-0x0000000074C1B000-memory.dmp
    Filesize

    5MB

  • memory/2088-55-0x0000000074670000-0x0000000074C1B000-memory.dmp
    Filesize

    5MB

  • memory/2088-56-0x00000000006A0000-0x00000000006E0000-memory.dmp
    Filesize

    256KB

  • memory/2088-57-0x0000000074670000-0x0000000074C1B000-memory.dmp
    Filesize

    5MB

  • memory/2088-58-0x00000000006A0000-0x00000000006E0000-memory.dmp
    Filesize

    256KB

  • memory/2088-74-0x0000000074670000-0x0000000074C1B000-memory.dmp
    Filesize

    5MB

  • memory/2856-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2856-75-0x0000000074670000-0x0000000074C1B000-memory.dmp
    Filesize

    5MB

  • memory/2856-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2856-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2856-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2856-71-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2856-73-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2856-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2856-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2856-76-0x0000000001F40000-0x0000000001F80000-memory.dmp
    Filesize

    256KB

  • memory/2856-77-0x0000000074670000-0x0000000074C1B000-memory.dmp
    Filesize

    5MB

  • memory/2856-78-0x0000000001F40000-0x0000000001F80000-memory.dmp
    Filesize

    256KB

  • memory/2856-79-0x0000000001F40000-0x0000000001F80000-memory.dmp
    Filesize

    256KB

  • memory/2856-80-0x0000000001F40000-0x0000000001F80000-memory.dmp
    Filesize

    256KB