Analysis

  • max time kernel
    123s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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 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 behavior: RenamesItself 1 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\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:4264
    • 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:4324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.25213.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/4264-132-0x0000000000DE0000-0x0000000000EFE000-memory.dmp

    Filesize

    1.1MB

  • memory/4264-133-0x0000000006040000-0x00000000065E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4264-134-0x0000000005980000-0x0000000005A12000-memory.dmp

    Filesize

    584KB

  • memory/4264-135-0x00000000033A0000-0x00000000033AA000-memory.dmp

    Filesize

    40KB

  • memory/4264-136-0x0000000009610000-0x00000000096AC000-memory.dmp

    Filesize

    624KB

  • memory/4324-137-0x0000000000000000-mapping.dmp

  • memory/4324-138-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4324-140-0x0000000005F40000-0x0000000005FA6000-memory.dmp

    Filesize

    408KB

  • memory/4324-141-0x0000000006BC0000-0x0000000006C10000-memory.dmp

    Filesize

    320KB