Overview

overview

10

Static

static

10

3b40b1651e...a3.exe

windows7-x64

9

3b40b1651e...a3.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 20:19

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General

  • Target

    3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3.exe

  • Size

    1.6MB

  • MD5

    d9e654ef2c44a3cb7f83bbe4480407b0

  • SHA1

    0881342a31ca38c93b4e111e99933857799323b3

  • SHA256

    3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3

  • SHA512

    84214aa69a5d44290520791db3bec90271dda7bfaf4ca174403f788c4db07afea13cacac0f4b5fd1c8e537f968a5af4f3e22e66de3731518b9cd967736192a5f

  • SSDEEP

    24576:VEj8TMgbMggOBdOiHQc8rY7XqoLxg+k1FiyxiLXMMoWn0Hp7cOIFM67sUkDozAPL:dTMgXdO9c/g+kriy4LX0HpwOIKoCzf

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3.exe
    "C:\Users\Admin\AppData\Local\Temp\3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3.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:1712
    • C:\Users\Admin\AppData\Local\Temp\3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3.exe
      "C:\Users\Admin\AppData\Local\Temp\3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Users\Admin\AppData\Local\Temp\3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3.exe
        "C:\Users\Admin\AppData\Local\Temp\3b40b1651ed9ceb80ed6ca004143400584600e10d64d628258351a83aa5d65a3.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2952

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

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\american blowjob xxx catfight glans beautyfull .zip.exe
    Filesize

    696KB

    MD5

    f1964003606ac2a2e41be29a4ff60cac

    SHA1

    b25d0ca593704a62281111109b75642d4bea76b2

    SHA256

    ddb181cbc2b10a1c9126cb5147e1b75a7b229c19cddb5d07b5157ca63180dc25

    SHA512

    90f9fa618f00a20836eef73da42f0d50b4c669c5f68c7ee72778b5dbf9aa9ab7c9b063a80f9c6e135a09798eb45120a9618be3b624d6fcf5fb913c3fb5249719

    Download Submit
  • C:\debug.txt
    Filesize

    183B

    MD5

    84d27d462b6988b06412dbda1cda1613

    SHA1

    9b0ad23a883dd4f4877668f9d430dac8ab3dbb24

    SHA256

    b2019dd5742208ca2bea2dba4549ab9edb1b36c7898e72fb6194658415caa9c5

    SHA512

    6ac5210a9f66a29ad85c503b94b7deb686d3ef0a818078f7807cbe2ca2429b1ba76c3950bfddf5b7f8c9940ee9604a786ca92a6e658499ec78672c2c795016ec

    Download Submit
  • memory/1712-0-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/1712-76-0x0000000005660000-0x000000000567F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/1712-106-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/1712-108-0x0000000005660000-0x000000000567F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/2444-77-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/2444-88-0x0000000004AA0000-0x0000000004ABF000-memory.dmp
    Filesize

    124KB

    Download
  • memory/2444-109-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/2444-110-0x0000000004AA0000-0x0000000004ABF000-memory.dmp
    Filesize

    124KB

    Download
  • memory/2952-89-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download
  • memory/2952-111-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

    Download