Overview

overview

10

Static

static

10

Lockbit-Ra...er.exe

windows7-x64

9

Lockbit-Ra...er.exe

windows10-2004-x64

9

Lockbit-Ra...er.exe

windows7-x64

9

Lockbit-Ra...er.exe

windows10-2004-x64

9

Lockbit-Ra...en.exe

windows7-x64

9

Lockbit-Ra...en.exe

windows10-2004-x64

9

Lockbit-Ra...ME.vbs

windows7-x64

1

Lockbit-Ra...ME.vbs

windows10-2004-x64

1

Analysis

  • max time kernel
    74s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 14:21

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General

  • Target

    Lockbit-Ransomware-Builder-main/Decrypter.exe

  • Size

    146KB

  • MD5

    39c9477cf131ca5ccc05c8871c0e10e6

  • SHA1

    07b2581b2cb41053d09c4bb896aaabc1d28f2a7b

  • SHA256

    939281eac1c6e5aa2e4238a1e545e67b2609c15f517474b2a5133bb64fe9c1eb

  • SHA512

    689fd585232031f746b1573d3ed66ac329420611d4e1092ce6952b49ab0c168091726bd02189a4e183d1196ced4f51953e4eb25a5219a36f86d8f6761da9f129

  • SSDEEP

    1536:xzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDqk3sA9atm8z+L8QBfuSoyAMjwT:KqJogYkcSNm9V7D7352v+L8DnyAewT

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (380) 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
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • 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 1 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 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lockbit-Ransomware-Builder-main\Decrypter.exe
    "C:\Users\Admin\AppData\Local\Temp\Lockbit-Ransomware-Builder-main\Decrypter.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\ProgramData\935A.tmp
      "C:\ProgramData\935A.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:2336
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\935A.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2016
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x150
    1⤵
      PID:2172

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\$Recycle.Bin\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini
            Filesize

            129B

            MD5

            97690ed988f5490c371b12783b72968b

            SHA1

            90561792ab5c99b078f55f758aed085cd1ea7c0e

            SHA256

            0aeebc9db60f90d7e3a5e5ff893aee082fb02cc12b945b9c3192d22a3cf5177a

            SHA512

            a684e80f4b93f749dee940931188a73c35f7eda802092bb53ea559b9341a3b97889ec11808658dba09e4ab8c29728c460e1ba90cdf74e5cfb6771ec03fc35626

            Download Submit

          • C:\1pvSvxmZY.README.txt
            Filesize

            348B

            MD5

            9810eed5ecd966874ebeb398ac6531ed

            SHA1

            17d2e2bc15df652734b79185cb323e652559fd6a

            SHA256

            53183e5ed0cf42bed46b17c9dcc92ea49737bb57dce34f1e20675a913796566e

            SHA512

            b26ca61461ed8b09f037e33d209cd0a22959b89e3e7895e057f544010fd5ae037e4fa76311763c121cd6e8b3050de22fa7d2163b4d9cf40585e14f5024e0cb79

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\Lockbit-Ransomware-Builder-main\DDDDDDDDDDDDD
            Filesize

            146KB

            MD5

            27da109cfa3eab627f2ca65b14fa48a6

            SHA1

            28434fc4478260fb750e3ec5a49a09caedc1ac8e

            SHA256

            e7915bef2bb6808a00af8f9269ca87658de348f6f1f6ddd1631d6efbe982850b

            SHA512

            9c5f094a6a2557bfd21505ed474ad8689800310a4057c2356e91442785503c471f30797b41ad6082601c265ad6894f1df7775c6b6e9bc0a59269783b0d9abaf1

            Download Submit

          • F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\BBBBBBBBBBB
            Filesize

            129B

            MD5

            0158e2b0e9ba5df47941d3add1b39b8b

            SHA1

            d3a95fba9a8a054351667e840fb6e48925173325

            SHA256

            6359bff5d750f3b3f6a6f4bb31def511642475710383aa511418bb0bf7d56998

            SHA512

            0cfc4b6ad8a9c29ef91f185872b8416c9dd280701412657db1849fe4719b2fa10e1af43cc85ba3f7e9ffb9b94acf3daec1647daf37502212d3507812353181bf

            Download Submit

          • \ProgramData\935A.tmp
            Filesize

            14KB

            MD5

            294e9f64cb1642dd89229fff0592856b

            SHA1

            97b148c27f3da29ba7b18d6aee8a0db9102f47c9

            SHA256

            917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

            SHA512

            b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

            Download Submit

          • memory/2336-911-0x000000007EF20000-0x000000007EF21000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2336-912-0x0000000000270000-0x00000000002B0000-memory.dmp

            Filesize

            256KB

            Download

          • memory/2336-910-0x000000007EF80000-0x000000007EF81000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2336-909-0x0000000000270000-0x00000000002B0000-memory.dmp

            Filesize

            256KB

            Download

          • memory/2336-907-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2336-942-0x000000007EF60000-0x000000007EF61000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2336-941-0x000000007EF40000-0x000000007EF41000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2476-0-0x0000000002490000-0x00000000024D0000-memory.dmp

            Filesize

            256KB

            Download