Overview

overview

10

Static

static

3

9bb0954a71...40.exe

windows10-1703-x64

10

9bb0954a71...40.exe

windows7-x64

8

9bb0954a71...40.exe

windows10-1703-x64

10

9bb0954a71...40.exe

windows10-2004-x64

10

9bb0954a71...40.exe

windows11-21h2-x64

7

Resubmissions

26-04-2024 07:51

240426-jp4xwacb3v 10

26-04-2024 07:51

240426-jp4l4scb3t 10

26-04-2024 07:51

240426-jp31kscb53 8

26-04-2024 07:51

240426-jpwaqscb47 10

26-04-2024 07:51

240426-jpvn7scb2x 7

25-04-2024 12:59

240425-p8jzpsba43 10

Analysis

  • max time kernel
    364s
  • max time network
    1200s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-04-2024 07:51

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General

  • Target

    9bb0954a71edfd122a5e2b14850702a453fdbf5a632265337c0aee558bdd3e40.exe

  • Size

    1.9MB

  • MD5

    1457ef90efde49a7ee83080ce051d6f7

  • SHA1

    8ca6d983fe2997fa7009458383b84e0d1edeb279

  • SHA256

    9bb0954a71edfd122a5e2b14850702a453fdbf5a632265337c0aee558bdd3e40

  • SHA512

    582628e02510812e0ed06cc05a1bfb98e96f019935efb71d23dd94745a0c5db12771bf0c81579dd7ad4f44b90e7192b95d5d2ed4a6649adc00b486c28df643d0

  • SSDEEP

    49152:Vbe6aahW7iaBUHvG+vxz90ChL0WF+UIGDDS/NL:vaaA7iYb+dtQWFZvSR

Score
10/10
discoverypersistenceupx

Malware Config

Extracted

Credentials

  • Protocol:     ftp
  • Host:
    download.grifodev.ch
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Brunonova1

Signatures

  • Contacts a large (860) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • UPX packed file 49 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bb0954a71edfd122a5e2b14850702a453fdbf5a632265337c0aee558bdd3e40.exe
    "C:\Users\Admin\AppData\Local\Temp\9bb0954a71edfd122a5e2b14850702a453fdbf5a632265337c0aee558bdd3e40.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Users\Admin\AppData\Local\Temp\9bb0954a71edfd122a5e2b14850702a453fdbf5a632265337c0aee558bdd3e40.exe
      "C:\Users\Admin\AppData\Local\Temp\9bb0954a71edfd122a5e2b14850702a453fdbf5a632265337c0aee558bdd3e40.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      PID:2892

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

Discovery

Network Service Discovery

2
T1046

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdesc-consensus.tmp
    Filesize

    2.5MB

    MD5

    a71659bcabc3b32eed883c95c44b1a62

    SHA1

    eb0af3adaf524b61490f01e5ae86cfee0bd18663

    SHA256

    be1ab31af3ff4cec23c0d093e66964ad6e18028e80aa98de834aa6fbe8b598e1

    SHA512

    0cb24ac55861b5d97658f110525b62803ef9190e7274fb908ff8de9f05e1369d8d8a535d8f8c01e33b5498cc4acb18e0cf7be3b76dc3c6fdad78090d9fbba1dc

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new
    Filesize

    11.9MB

    MD5

    67a35e6740e134e5c5cb558814f72c89

    SHA1

    273c39e3a0486bf81e32824bdab0b72c52626a17

    SHA256

    2f0013175d387246a999fcaee70ff2f4864bd4eae2182165a4179ad23656457d

    SHA512

    2206c5cff2eff4ec82b1ba3b84231f379c0bc8da3f758cc0316f8f9af837a53270fa3e7ce9869cafc3d96aabcb71337edfb783eafb6b84cf4a33b2044e9314a2

    Download Submit
  • memory/2892-66-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-5-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-1-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-6-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-7-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-8-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-70-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-21-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-23-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-24-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-25-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-4-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-43-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-47-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-50-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-51-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-55-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-57-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-58-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-56-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-61-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-63-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-64-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-60-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-59-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-74-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-62-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-76-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-78-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-81-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-82-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-88-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-87-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-91-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-93-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-97-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-99-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-102-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-100-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-106-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-103-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-95-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-86-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-85-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-83-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-79-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-77-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-75-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/2892-72-0x0000000000400000-0x0000000000848000-memory.dmp
    Filesize

    4.3MB

    Download
  • memory/3328-3-0x00000000027A0000-0x0000000002957000-memory.dmp
    Filesize

    1.7MB

    Download
  • memory/3328-2-0x00000000025D0000-0x0000000002794000-memory.dmp
    Filesize

    1.8MB

    Download