Overview

overview

10

Static

static

3f2accb371...in.exe

windows7_x64

10

3f2accb371...in.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    83s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    06-05-2022 12:17

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General

  • Target

    3f2accb371da418d3b7f0ee689c2cca064cce542a72948fc7793285a43476d72.bin.exe

  • Size

    959KB

  • MD5

    e2d006ac5e8d76856b516746a50c2a58

  • SHA1

    83b6e55dc61a6813dbc992c0b55379e5851d2825

  • SHA256

    3f2accb371da418d3b7f0ee689c2cca064cce542a72948fc7793285a43476d72

  • SHA512

    32b9d944c1f6700e58231512cb40de5dc2d2f29090ac5ec6900c785ee24d6f8d1614ca05d8172328d9ed47ec32ec9049cb40be03514f3df6f513ce401c9c7101

Score
10/10
lockbitdiscoveryevasionpersistenceransomware

Malware Config

Extracted

Path

C:\program files\7-zip\Restore-My-Files.txt

Ransom Note
LockBit 2.0 Ransomware Your data are stolen and encrypted The data will be published on TOR website http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion and https://bigblog.at if you do not pay the ransom You can contact us and decrypt one file for free on these TOR sites http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion OR https://decoding.at Decryption ID: 3B7D11DEF362796BF5AC76F596991426
URLs

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

https://decoding.at

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 20 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f2accb371da418d3b7f0ee689c2cca064cce542a72948fc7793285a43476d72.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\3f2accb371da418d3b7f0ee689c2cca064cce542a72948fc7793285a43476d72.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2104
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1036
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2292
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2332
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2140

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Discovery

Network Service Scanning

1
T1046

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

3
T1490

Replay Monitor

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Downloads

  • memory/1036-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1684-54-0x00000000752D1000-0x00000000752D3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2052-55-0x0000000000000000-mapping.dmp
    Download
  • memory/2104-56-0x0000000000000000-mapping.dmp
    Download
  • memory/2292-58-0x0000000000000000-mapping.dmp
    Download
  • memory/2332-59-0x0000000000000000-mapping.dmp
    Download