Overview

overview

10

Static

static

10

329D6F9DDB...I_I386

ubuntu-22.04-amd64

329D6F9DDB...XI_X64

ubuntu-24.04-amd64

8

LBB.exe

windows7-x64

9

LBB.exe

windows10-2004-x64

9

LBB_PS1.ps1

windows7-x64

5

LBB_PS1.ps1

windows10-2004-x64

9

LBB_PS1_ob...ed.ps1

windows7-x64

3

LBB_PS1_ob...ed.ps1

windows10-2004-x64

3

LBB_PS1_pass.ps1

windows7-x64

10

LBB_PS1_pass.ps1

windows10-2004-x64

10

LBB_Reflec...in.dll

windows7-x64

9

LBB_Reflec...in.dll

windows10-2004-x64

7

LBB_Rundll32.dll

windows7-x64

3

LBB_Rundll32.dll

windows10-2004-x64

3

LBB_Rundll32_pass.dll

windows7-x64

10

LBB_Rundll32_pass.dll

windows10-2004-x64

10

LBB_pass.exe

windows7-x64

10

LBB_pass.exe

windows10-2004-x64

10

FC8E43EC21...32.exe

windows7-x64

7

FC8E43EC21...32.exe

windows10-2004-x64

7

FC8E43EC21...64.exe

windows7-x64

7

FC8E43EC21...64.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 14:36

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    LBB.exe

  • Size

    160KB

  • MD5

    d1986caa455ffa11b46341e837777e52

  • SHA1

    c045c2be676ebba04d7403f3636c7adb685a4011

  • SHA256

    e2bda5afc3e70460223a98cd3520e4ab97fd126a48b9fe7d385e1e9730a11407

  • SHA512

    ea87e4f31a45a4e54c56dc120ce26c369a02af952d0c20411677c4cba4eb442a43b776d094150458a0b72dc65b53ca29fc300739cc56f81c6f7fee5e15043359

  • SSDEEP

    3072:gDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368Pu7YlTx6gIB8FrN75DyW:K5d/zugZqll3AYrG+

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (194) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\LBB.exe
    "C:\Users\Admin\AppData\Local\Temp\LBB.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\ProgramData\D59.tmp
      "C:\ProgramData\D59.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D59.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2392
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:852
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:1140

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3063565911-2056067323-3330884624-1000\YYYYYYYYYYY
      Filesize

      129B

      MD5

      b0c52a46179ca8e14702a9313cae5038

      SHA1

      d4fb5c37428b65bf61ebfffcb4b41c4cd4dcb193

      SHA256

      acc1d1b434f1aaeee360183ea9c51fc34ff6d7dad04066962bacdb1bced2fe8f

      SHA512

      6aa05b7e8703cf637210f98631f09f937d52c595f615cd7ff82ee3af30cd9ea990ee14d65e5d1c034ba95e40bd637945814349b580014a2d980525348016bf5c

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDD
      Filesize

      160KB

      MD5

      7407d83890124f73717eda8ac8070fff

      SHA1

      62fdeeed4888016df460435cc72da3d15f515913

      SHA256

      10d9f379f7c0049a07040ba4b2cb11a724d49796139264cac6cf63f248d796fa

      SHA512

      737322e7ba33807293ac01838fd578e5af2a162a7a102927b222ee417af9eb77c7fbc73f33a20a37f5036a6e620e0e3c63aabd4d3f2a9e84e8db00c802a03cd9

      Download Submit

    • C:\Users\kF0wnCN24.README.txt
      Filesize

      6KB

      MD5

      61b27be743eacef4d25ef6f1366d782c

      SHA1

      a5ff8a0ae7c5a183d8a8a68db0e9ca1d1438effc

      SHA256

      9994c9ce71c98be058fcc752f3683ca4f81261e7c301ef7eaff8fc1dc355e644

      SHA512

      7e105fc9729ca3648cc56d1e2a28b9eda331c0308a4e0dc1e530e08db4b1fdfa28dc85da2eab5e8e1764d6c42d280b1f9e37644d1830a17a4acf60c3a4c3887a

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3063565911-2056067323-3330884624-1000\EEEEEEEEEEE
      Filesize

      129B

      MD5

      96bfcc47999c796020eedb936c8a4aa7

      SHA1

      097ccafe648fbf98bddb5a9b20e43f8cb2caedbd

      SHA256

      894d88d80a996f4a255780a10d5330c3a04232e2e9bde25c8b6ffacd0563def8

      SHA512

      6816ef5a887d1908ca1b7a63ee5ecbeaf6bd70cef08eea15a4cda23b962f3f6da2ea92172a4f5a230ab12dbef3781fbb7e7fba28853787aa8eccd2e00e65cfff

      Download Submit

    • \ProgramData\D59.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2456-324-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2456-328-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2456-327-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2456-326-0x0000000000880000-0x00000000008C0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2456-360-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2456-359-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2932-0-0x0000000002390000-0x00000000023D0000-memory.dmp

      Filesize

      256KB

      Download