Analysis

  • max time kernel
    151s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:41

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.25213.exe

  • Size

    1.1MB

  • MD5

    14033d5efab3af6dde154aeae64c7baa

  • SHA1

    07dfacdcf3bca00084d51713358b4f0b0ae1ce80

  • SHA256

    1fe08e7ba52b00e78eb445d792ee3d03648b9b90ea02902e875df4668d490ac5

  • SHA512

    73c2cd25bee150cd514332e24eec8e94075de36c4b0fc2aaa44795ad21f78b2d4fecafe6822bcd8a3957adfcd08b133118f5f5e895b7ab6de829ab35fbeab16d

  • SSDEEP

    24576:Uzlwgh/awQ2DzXq0XVGmogUn+ielIY+MKD5f+ycM3LTu/WPLnTIRD:UzlTh/d7fjVlVU+9lJbKuM3Lyunc

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
  • Looks up external IP address via web service 1 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 behavior: RenamesItself 1 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\SecuriteInfo.com.Win32.PWSX-gen.25213.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.25213.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.25213.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.25213.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:868

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/868-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/868-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/868-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/868-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/868-66-0x0000000000437C8E-mapping.dmp
  • memory/868-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/868-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/868-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1424-55-0x0000000076301000-0x0000000076303000-memory.dmp
    Filesize

    8KB

  • memory/1424-54-0x0000000000EB0000-0x0000000000FCE000-memory.dmp
    Filesize

    1.1MB

  • memory/1424-59-0x00000000082B0000-0x0000000008328000-memory.dmp
    Filesize

    480KB

  • memory/1424-58-0x00000000060E0000-0x0000000006190000-memory.dmp
    Filesize

    704KB

  • memory/1424-57-0x00000000003A0000-0x00000000003AC000-memory.dmp
    Filesize

    48KB

  • memory/1424-56-0x00000000004D0000-0x00000000004E8000-memory.dmp
    Filesize

    96KB