Overview

overview

10

Static

static

3

fc720ba95a...94.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    17s
  • max time network
    27s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/04/2025, 19:33

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General

  • Target

    fc720ba95ab46e6a5f9fd7f6b1f240cd9b29cd96f6cb075f0459fac230f7de94.exe

  • Size

    959KB

  • MD5

    93f3b3b991eede9d563dc18490f4b4e6

  • SHA1

    357afd5cdd05130c7e381d24c48e3dbcb2ec0b53

  • SHA256

    fc720ba95ab46e6a5f9fd7f6b1f240cd9b29cd96f6cb075f0459fac230f7de94

  • SHA512

    46114f12a6a2f42c718b734489341f882fd13060d35d8824161c65c2460a5064b03c7d58dc818ca0817311f534dfefc84c3381d571a8a5601493b94eb724303c

  • SSDEEP

    24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdgF:Ujrc2So1Ff+B3k796W

Score
10/10
lockbitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\Crashpad\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: ED5B850F872B466792548A086B44C0D8
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
  • Lockbit family
    lockbit
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 13 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\fc720ba95ab46e6a5f9fd7f6b1f240cd9b29cd96f6cb075f0459fac230f7de94.exe
    "C:\Users\Admin\AppData\Local\Temp\fc720ba95ab46e6a5f9fd7f6b1f240cd9b29cd96f6cb075f0459fac230f7de94.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • 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:1928
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:5764
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5040
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:5808
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3932
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\fc720ba95ab46e6a5f9fd7f6b1f240cd9b29cd96f6cb075f0459fac230f7de94.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5240
    • C:\Users\Admin\AppData\Local\Temp\fc720ba95ab46e6a5f9fd7f6b1f240cd9b29cd96f6cb075f0459fac230f7de94.exe
      C:\Users\Admin\AppData\Local\Temp\fc720ba95ab46e6a5f9fd7f6b1f240cd9b29cd96f6cb075f0459fac230f7de94.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:5428
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:6088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Crashpad\Restore-My-Files.txt
    Filesize

    512B

    MD5

    da10b527178dd08de6d3eb9296e65ac3

    SHA1

    7e57e1b1c75ccbe0ac138e7f33916588c9c885a0

    SHA256

    39e7af6220271241794342cc476c49b2cb5f446873cf81027e8a25594d86f8df

    SHA512

    c7a4f20157dc1c753599039f469d30d3e8a8f2050714976bf1f31738966f62010f3829f1bc7055dcc73351bc004932eccb2956a3faa9d0bcd0eab4f99bf5896f

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