Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 01:03

General

  • Target

    258b95a8efd450ef4930be241613f44dbe6a2f66feb012b5e6b56fd1cc044af8.exe

  • Size

    647KB

  • MD5

    8b8bc0ed4e10f9f0b367091131dd9ec1

  • SHA1

    37bc103d81e8adddb1e5184dcf63a298a6f8c02e

  • SHA256

    258b95a8efd450ef4930be241613f44dbe6a2f66feb012b5e6b56fd1cc044af8

  • SHA512

    5ec893d070886575ba3af27d84c275c716e5621a28e6e93d5e91727a34ffe3a1467fe2ecfbdc735254a625de94ca0361b7ecd8ffee5ed700a540d755b8260827

  • SSDEEP

    12288:nH283lnfGd1+GKkfabnluUP0e2qdv+pUS/y68W9aJ3kCopox:W8xed1+GKkfaDjP0et+V6FWee

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.aksumer.com
  • Port:
    21
  • Username:
    aksumerc
  • Password:
    211116.kS*-

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.aksumer.com
  • Port:
    21
  • Username:
    aksumerc
  • Password:
    211116.kS*-

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\258b95a8efd450ef4930be241613f44dbe6a2f66feb012b5e6b56fd1cc044af8.exe
    "C:\Users\Admin\AppData\Local\Temp\258b95a8efd450ef4930be241613f44dbe6a2f66feb012b5e6b56fd1cc044af8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Users\Admin\AppData\Local\Temp\258b95a8efd450ef4930be241613f44dbe6a2f66feb012b5e6b56fd1cc044af8.exe
      "C:\Users\Admin\AppData\Local\Temp\258b95a8efd450ef4930be241613f44dbe6a2f66feb012b5e6b56fd1cc044af8.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\258b95a8efd450ef4930be241613f44dbe6a2f66feb012b5e6b56fd1cc044af8.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3176-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3176-20-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/3176-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-18-0x0000000006130000-0x0000000006180000-memory.dmp

    Filesize

    320KB

  • memory/3176-17-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/3176-16-0x00000000054B0000-0x0000000005516000-memory.dmp

    Filesize

    408KB

  • memory/3176-14-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/5052-5-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

    Filesize

    40KB

  • memory/5052-9-0x0000000004A00000-0x0000000004A0A000-memory.dmp

    Filesize

    40KB

  • memory/5052-10-0x0000000008180000-0x00000000081FA000-memory.dmp

    Filesize

    488KB

  • memory/5052-8-0x0000000005320000-0x0000000005326000-memory.dmp

    Filesize

    24KB

  • memory/5052-7-0x0000000005300000-0x0000000005318000-memory.dmp

    Filesize

    96KB

  • memory/5052-6-0x0000000005330000-0x00000000053CC000-memory.dmp

    Filesize

    624KB

  • memory/5052-15-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/5052-0-0x0000000000540000-0x00000000005E8000-memory.dmp

    Filesize

    672KB

  • memory/5052-4-0x0000000005280000-0x0000000005290000-memory.dmp

    Filesize

    64KB

  • memory/5052-3-0x0000000005000000-0x0000000005092000-memory.dmp

    Filesize

    584KB

  • memory/5052-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

    Filesize

    5.6MB

  • memory/5052-1-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB