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
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 14:51

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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 (329) 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
  • 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:2596
    • C:\ProgramData\9EEE.tmp
      "C:\ProgramData\9EEE.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:2940
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\9EEE.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:752
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:2792

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3551809350-4263495960-1443967649-1000\desktop.ini
      Filesize

      129B

      MD5

      a19845652202ca25c62c28caacaafbd6

      SHA1

      f66eab367f4f7d71d5a3978614a7c80dc96ac017

      SHA256

      2c7eb7d43913d80a82a2fe141a0f9623d11f876c324a2fb0c7dff7d345ca160e

      SHA512

      842f8e38627699a099395f530de1c380cffb2cd6889ec2ddf28db5a9160765fd6bfd2ed50d134824a30fae57257cd1548917f628218cb3d1f9563e88d468133f

      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

      cec215a94cfdc7914b7e01bc178baa3b

      SHA1

      83365dc8f039b9e8992a8fc9cf90d128758f97ae

      SHA256

      78ff8c3614c605243e9ff1be5f5043de67d83d58826b36d8102a8b58fe754636

      SHA512

      95143e15d0628123c191236c04dca558d9bcb628d1c98e393e8f85faafdf92a4f7c92e49ddcac9101490c61e81b7151b10dc088a21f216a70015bd703f5245fd

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3551809350-4263495960-1443967649-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      23517627c56bb3a8b86d57233c17ac3a

      SHA1

      7d3f497d8292f1f28221f1ca496d041637b1126d

      SHA256

      9910bfa1237539b090fd907d7ec483eb6fdf0e65b20000b214e178e89c681cc9

      SHA512

      f817b8238df35dd107f0ad1a50f982607600e715f14ce4a31bbef90e72a0c36187b8f63de5d17815e347e4205731b259647e1d86480827d02e38ed2554316d82

      Download Submit

    • \ProgramData\9EEE.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2596-0-0x00000000000B0000-0x00000000000F0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2940-864-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

      Download

    • memory/2940-866-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download