Overview

overview

10

Static

static

10

f3ea0bc2c9...b6.exe

windows7-x64

9

f3ea0bc2c9...b6.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 04:36

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General

  • Target

    f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6.exe

  • Size

    472KB

  • MD5

    871aa03212202d8ab54e4d1d0ccfb11f

  • SHA1

    6b5d09fa952b2bcebc1924ff1a445a12ff271a8f

  • SHA256

    f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6

  • SHA512

    55185bba2a50414818331afd316c73d3a64eec2702fd390d1b9eae4070db0dec6e1d47501748da1cc30b993e1d9aa16196ea04bf7c87ac4015605de0486eb3f1

  • SSDEEP

    12288:OWji9BR9Srhx4A+Dx9JMFO+B3E/tmxqRXQQKk0Dzw:CC4ApB3E/0xAXfK9w

Score
9/10
persistencespywarestealer

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6.exe
    "C:\Users\Admin\AppData\Local\Temp\f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6.exe
      "C:\Users\Admin\AppData\Local\Temp\f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Users\Admin\AppData\Local\Temp\f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6.exe
        "C:\Users\Admin\AppData\Local\Temp\f3ea0bc2c9e3768661f3b21b8c82d2e61fc487de814ea879d9e4784c4255a7b6.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 372
      2⤵
      • Program crash
      PID:2672

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\bukkake several models titts .mpeg.exe
    Filesize

    1.8MB

    MD5

    1723e7197c3c6c342b1e2f05dd785724

    SHA1

    125b2ad656daff26e6097846b66a7773979e276f

    SHA256

    4b22ad733b3364002d5474829bb0496a0d1a3d18c4c9afbf1cc92a6d4310f162

    SHA512

    8d2e0d1b02733d8f62d86ab6a3897a5a19f67fef7b6b4ed29ce2f7ce593a6cbe6830626a519933412af2fe9576241946dadde9b68a1392da0ded95904045a804

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  • C:\debug.txt
    Filesize

    183B

    MD5

    5bdb2e3dd590f9c03e24499c16f7ff0f

    SHA1

    ab8336d211ad56d4a77508219f02bfb9798adc86

    SHA256

    fc787dd75f83d1e7164962a76fbad67ffa9dcad14369cc0c4e4065b1edd0dc9f

    SHA512

    25506e1ecdcf554d8a3cc2a466d55a0cbb987fceb877132880e3facadef690010f8df896f9e8233cb8d4000b7f0614e5a88a94fe857de14352e378e1947569ef

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