Overview

overview

10

Static

static

10

00260c390f...f8.exe

windows7-x64

10

00260c390f...f8.exe

windows10-2004-x64

10

01bf78841b...16.exe

windows7-x64

9

01bf78841b...16.exe

windows10-2004-x64

9

0545f842ca...49.exe

windows7-x64

10

0545f842ca...49.exe

windows10-2004-x64

10

068ca3e92c...fd.exe

windows7-x64

10

068ca3e92c...fd.exe

windows10-2004-x64

10

0b856337d9...c9.exe

windows7-x64

10

0b856337d9...c9.exe

windows10-2004-x64

10

0d38f8bf83...09.exe

windows7-x64

10

0d38f8bf83...09.exe

windows10-2004-x64

10

0e35a681fc...5e.exe

windows7-x64

10

0e35a681fc...5e.exe

windows10-2004-x64

10

0f178bc093...35.exe

windows7-x64

10

0f178bc093...35.exe

windows10-2004-x64

10

10306702a1...dd.dll

windows7-x64

10

10306702a1...dd.dll

windows10-2004-x64

10

160c972897...21.exe

windows7-x64

10

160c972897...21.exe

windows10-2004-x64

10

19f7d53c4a...a0.exe

windows7-x64

10

19f7d53c4a...a0.exe

windows10-2004-x64

10

1b109db549...18.exe

windows7-x64

10

1b109db549...18.exe

windows10-2004-x64

10

1e10e08cda...18.dll

windows7-x64

10

1e10e08cda...18.dll

windows10-2004-x64

10

1eb0b48ca7...1d.dll

windows7-x64

1

1eb0b48ca7...1d.dll

windows10-2004-x64

1

1f0e4cbc1a...7d.exe

windows7-x64

10

1f0e4cbc1a...7d.exe

windows10-2004-x64

10

239c9969fd...90.exe

windows7-x64

10

239c9969fd...90.exe

windows10-2004-x64

10

Resubmissions

20/03/2024, 09:55

240320-lxzn8sdh94 10

20/03/2024, 09:53

240320-lwzb3sef3x 10

18/03/2024, 09:01

240318-ky38dadf6s 10

Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 09:01

Sharing

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Report Analysis Logs

General

  • Target

    19f7d53c4a9ba784fd4c64a06fc6a88caf5a4d9913341a625582d51b1c095ba0.exe

  • Size

    959KB

  • MD5

    fec0ba68b3118f490dbee9dc5cc382d4

  • SHA1

    c5a76c237314d970fb5acfc118c1f1109d012704

  • SHA256

    19f7d53c4a9ba784fd4c64a06fc6a88caf5a4d9913341a625582d51b1c095ba0

  • SHA512

    4c202c11503607baa0fccc23223933eaf1ffe052607f46f3d596520ced90359d1bcf1369ce335d4b63de9c221cf137d6354ce88fead6e3164c54903c8e20f81c

  • SSDEEP

    24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdMF:Ujrc2So1Ff+B3k796W

Score
10/10
lockbitdiscoveryevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\Java\jdk1.7.0_80\db\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: AE664DC084E03AFD2D1410315B170FBB
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
  • Deletes itself 1 IoCs
  • 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 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 22 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 28 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\19f7d53c4a9ba784fd4c64a06fc6a88caf5a4d9913341a625582d51b1c095ba0.exe
    "C:\Users\Admin\AppData\Local\Temp\19f7d53c4a9ba784fd4c64a06fc6a88caf5a4d9913341a625582d51b1c095ba0.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2904
    • 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:1360
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2384
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2544
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2060
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\19f7d53c4a9ba784fd4c64a06fc6a88caf5a4d9913341a625582d51b1c095ba0.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\19f7d53c4a9ba784fd4c64a06fc6a88caf5a4d9913341a625582d51b1c095ba0.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.7 -n 3
        3⤵
        • Runs ping.exe
        PID:1548
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\19f7d53c4a9ba784fd4c64a06fc6a88caf5a4d9913341a625582d51b1c095ba0.exe"
        3⤵
          PID:2208
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Java\jdk1.7.0_80\db\Restore-My-Files.txt
      Filesize

      512B

      MD5

      da3f97b33455966c7ac26af50fab124d

      SHA1

      f89890a857f9fbca692d21e4d2ffc65be9ad6d0c

      SHA256

      3e520be0f94253ed330351bd9eca4653bf9dcf9617d57155ae11de1d23def591

      SHA512

      4c6b0f26dd8b7027dc60ef82023093a1aa3b35b1af5df02fd7bf44d4ff4e8ab7b2ff7741cc489f717423760d31c2d8c4badade9127993ee901238f84455e4769

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