Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:16

General

  • Target

    cd8c25669902d522e8cfb50cbd19d2080223e6d93c4e43d13ae13f1801d89214.exe

  • Size

    733KB

  • MD5

    1c36963334fc0e6bb41991b648bd1e35

  • SHA1

    2398864c898403fbd87a42e422200bd590468219

  • SHA256

    cd8c25669902d522e8cfb50cbd19d2080223e6d93c4e43d13ae13f1801d89214

  • SHA512

    a5e08e998768c9b83d4809a8148496ed8b5f6d0c3738e3916078ee68b670aeb554ed4cccb0c137d7b12b90fab20fd5caa98f5c0efe8f5792a2d61dde877ce818

  • SSDEEP

    12288:0X0pxyV36Di8BtLeX2BJ36912QcAo2o+vaLmW01MFoHxdehiooVa741jlDuVQeeg:CBFKlBJ3PQcF2SLmWAMFcbe2ubz

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qaxt fhfi ysqm rwcn

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd8c25669902d522e8cfb50cbd19d2080223e6d93c4e43d13ae13f1801d89214.exe
    "C:\Users\Admin\AppData\Local\Temp\cd8c25669902d522e8cfb50cbd19d2080223e6d93c4e43d13ae13f1801d89214.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\cd8c25669902d522e8cfb50cbd19d2080223e6d93c4e43d13ae13f1801d89214.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wRHmNgtLqfNjD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wRHmNgtLqfNjD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp565A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2636
    • C:\Users\Admin\AppData\Local\Temp\cd8c25669902d522e8cfb50cbd19d2080223e6d93c4e43d13ae13f1801d89214.exe
      "C:\Users\Admin\AppData\Local\Temp\cd8c25669902d522e8cfb50cbd19d2080223e6d93c4e43d13ae13f1801d89214.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp565A.tmp

    Filesize

    1KB

    MD5

    0fc2686bdd592aa5cc93c81a91cce188

    SHA1

    3e5a9f61890c4f5b979b93b639abe742a3d377c1

    SHA256

    06a11f9b07d7da1063fbc0371163868f0183cb65fa6e22745be50fea508be27b

    SHA512

    1d3901eb4ceab09fd0221fdf8f8bbf385c73c727fac8bb7e447f1c8bc8275fb2349b59bbf7ca904626383ad68b082ec60cdc1c6f33c75089a0c00da901ab1b4c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    9f5318c8c4b23494eac9aee5ff124804

    SHA1

    18319709f1cee321b7d5091e9f1ffe4e5b6dc5b3

    SHA256

    569c47d06127484c1a9d6b4c1f4372bd3f19e100c4925e999ddcdbf20bd87d91

    SHA512

    ffb80f5434fae842e23a6bee0635d413ff3973a90b1df88de3a01e37838e2b10cf3a6848ba57d22a241c43c22ae98be29ae34e2356b4717a2587b6a9ffe12cf9

  • memory/2168-30-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2168-1-0x0000000001310000-0x00000000013C8000-memory.dmp

    Filesize

    736KB

  • memory/2168-2-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2168-3-0x00000000006D0000-0x00000000006F2000-memory.dmp

    Filesize

    136KB

  • memory/2168-4-0x00000000002F0000-0x0000000000300000-memory.dmp

    Filesize

    64KB

  • memory/2168-5-0x0000000004D80000-0x0000000004E06000-memory.dmp

    Filesize

    536KB

  • memory/2168-0-0x00000000743EE000-0x00000000743EF000-memory.dmp

    Filesize

    4KB

  • memory/2440-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2440-27-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2440-29-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2440-28-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2440-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2440-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2440-24-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2440-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB