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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
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 14:51

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General

  • Target

    Lockbit-Ransomware-Builder-main/KeyGen.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 (360) 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\KeyGen.exe
    "C:\Users\Admin\AppData\Local\Temp\Lockbit-Ransomware-Builder-main\KeyGen.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:2532
    • C:\ProgramData\BECD.tmp
      "C:\ProgramData\BECD.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:1612
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BECD.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2044
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:2672

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini
      Filesize

      129B

      MD5

      ba2a639430447fe3cea5ab88768d79e0

      SHA1

      b6b690d6c901ff55e9fe5b0e12006b9ebe0a5223

      SHA256

      3c4870eaa1739765632a24685638c79c9d971d542e3387eb0a79cb0fcb06228c

      SHA512

      9a42223aca8df56e8a9d21901c58ef3c179f2c9fb79322c383ad27e1f09413cee637d7e6f25ee74ccd4db7e0b3c2ae4a4d5c3ee49e03bb8e0c215e1117b951f5

      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\DDDDDDDDDD
      Filesize

      146KB

      MD5

      01c7b292fbcf44f2f428c6c0ea2126d9

      SHA1

      d07760d8a432a0cda85f2c5c39eb7faddfb5ae39

      SHA256

      5f60c7697c13825e446309dbf0ecd3023e0b08e88582ece0107ffb01faac2647

      SHA512

      cca3b06a03a6371bfaab177d71b955895c1832f8cd2c520067f9d04712a4abed470b503b5801a7aaadaecc71935407cdbd17036fb3d4c72e94c68d81c2ce5514

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3533259084-2542256011-65585152-1000\EEEEEEEEEEE
      Filesize

      129B

      MD5

      c0ff57e2d43971d03469c1520d2b4436

      SHA1

      1d16fd7dafb2d2a82004ee6f7dcd705bd25e61bd

      SHA256

      442fe0a489deb0ae2350823a3afaa8f66af2476ae62e3d1fbd87e6fd69ae7215

      SHA512

      dd9711aa0c4553bbd9ff67422e3c28c8853ab9a0c12e79160163600c0ba8a6a0cf2db12bf424198460c9171d7ecdc46c412e74141c7e78ddef1b5f5ed8776c00

      Download Submit

    • \ProgramData\BECD.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1612-895-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

      Download

    • memory/1612-899-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1612-898-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1612-897-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2532-0-0x0000000000E50000-0x0000000000E90000-memory.dmp

      Filesize

      256KB

      Download