Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 14:14

General

  • Target

    Inquiry.exe

  • Size

    719KB

  • MD5

    c0358fee59172c24e5695593392135e0

  • SHA1

    5b7a3dac90e3014de6eec3ac9e96c9534918bfc1

  • SHA256

    cab0d981559ec627b28ba927840774c66ccba4c7cea401d748ac398f0ab39c85

  • SHA512

    a2a7ff42f8294e83babc69d13532fc4fd6653ca084e32d1a9bb6c6da759c13a5ac782bd2a9802809756f703ce6de02582392bdef088c48df466ebeba403ab0a1

  • SSDEEP

    12288:aD+dIbgzk6wM4i0ID2Fld+lwrzS8dRm9LSuvnUA78WxKNQbCxOKL:aD+H4XMb0Pz3nS8oSuvUm8WxtbCx7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EJPEOaG2

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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\Inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Users\Admin\AppData\Local\Temp\Inquiry.exe
      "C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/628-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/628-22-0x0000000005220000-0x0000000005230000-memory.dmp

    Filesize

    64KB

  • memory/628-21-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/628-20-0x0000000006040000-0x0000000006090000-memory.dmp

    Filesize

    320KB

  • memory/628-17-0x00000000052A0000-0x0000000005306000-memory.dmp

    Filesize

    408KB

  • memory/628-16-0x0000000005220000-0x0000000005230000-memory.dmp

    Filesize

    64KB

  • memory/628-14-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-5-0x0000000005320000-0x000000000532A000-memory.dmp

    Filesize

    40KB

  • memory/3944-9-0x0000000005440000-0x000000000544A000-memory.dmp

    Filesize

    40KB

  • memory/3944-10-0x0000000006860000-0x00000000068DC000-memory.dmp

    Filesize

    496KB

  • memory/3944-8-0x0000000005420000-0x0000000005428000-memory.dmp

    Filesize

    32KB

  • memory/3944-7-0x0000000005400000-0x0000000005416000-memory.dmp

    Filesize

    88KB

  • memory/3944-15-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-6-0x0000000005570000-0x000000000560C000-memory.dmp

    Filesize

    624KB

  • memory/3944-0-0x00000000007D0000-0x000000000088A000-memory.dmp

    Filesize

    744KB

  • memory/3944-4-0x0000000005470000-0x0000000005480000-memory.dmp

    Filesize

    64KB

  • memory/3944-3-0x0000000005260000-0x00000000052F2000-memory.dmp

    Filesize

    584KB

  • memory/3944-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

    Filesize

    5.6MB

  • memory/3944-1-0x0000000075070000-0x0000000075820000-memory.dmp

    Filesize

    7.7MB