Resubmissions

12-09-2024 02:23

240912-cvfznswere 10

04-09-2024 00:09

240904-afvheascla 10

03-09-2024 18:57

240903-xl8csavfrb 10

03-09-2024 18:12

240903-ws828asgnm 10

Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-09-2024 18:12

General

  • Target

    Ransomware/Client-2.exe

  • Size

    80KB

  • MD5

    8152a3d0d76f7e968597f4f834fdfa9d

  • SHA1

    c3cf05f3f79851d3c0d4266ab77c8e3e3f88c73e

  • SHA256

    69c56d12ed7024696936fb69b4c6bee58174a275cb53fa966646a0b092d9626b

  • SHA512

    eb1a18cb03131466a4152fa2f6874b70c760317148684ca9b95044e50dc9cd19316d6e68e680ce18599114ba73e75264de5dab5afe611165b9c6c0b5f01002b4

  • SSDEEP

    1536:SHbigeMiIeMfZ7tOBbFv0CIG0dDh/suIicRtpNf8SgRXt+AacRDVX8C4OntD4acN:SHbigeMiIeMfZ7tOBbFv0CIG0dDh/su0

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\HOW_TO_DECYPHER_FILES.txt

Family

hakbit

Ransom Note
To recover your data contact the email below [email protected] Key Identifier: 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 Number of files that were processed is: 481

Signatures

  • Disables service(s) 3 TTPs
  • Hakbit

    Ransomware which encrypts files using AES, first seen in November 2019.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Renames multiple (52) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 47 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransomware\Client-2.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransomware\Client-2.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\system32\cmd.exe
      "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
      2⤵
        PID:3052
      • C:\Windows\system32\sc.exe
        "sc.exe" config SQLTELEMETRY start= disabled
        2⤵
        • Launches sc.exe
        PID:784
      • C:\Windows\system32\sc.exe
        "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
        2⤵
        • Launches sc.exe
        PID:2496
      • C:\Windows\system32\sc.exe
        "sc.exe" config SQLWriter start= disabled
        2⤵
        • Launches sc.exe
        PID:2292
      • C:\Windows\system32\sc.exe
        "sc.exe" config SstpSvc start= disabled
        2⤵
        • Launches sc.exe
        PID:2300
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mspub.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2268
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mydesktopqos.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2936
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mydesktopservice.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2200
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mysqld.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2260
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM sqbcoreservice.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2764
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM firefoxconfig.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2824
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM agntsvc.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2844
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM thebat.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2860
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM steam.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2960
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM encsvc.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2776
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM excel.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2768
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM CNTAoSMgr.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2724
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM sqlwriter.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2952
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM tbirdconfig.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2908
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM dbeng50.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2752
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM thebat64.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2500
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM ocomm.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2160
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM infopath.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2880
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mbamtray.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2512
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM zoolz.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3064
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" IM thunderbird.exe /F
        2⤵
        • Kills process with taskkill
        PID:2784
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM dbsnmp.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2732
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM xfssvccon.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2620
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mspub.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1004
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM Ntrtscan.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1456
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM isqlplussvc.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1972
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM onenote.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1068
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM PccNTMon.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2136
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM msaccess.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2092
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM outlook.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:924
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM tmlisten.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2420
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM msftesql.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2308
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM powerpnt.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1052
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mydesktopqos.exe /F
        2⤵
        • Kills process with taskkill
        PID:2944
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM visio.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1592
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mydesktopservice.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1632
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM winword.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3048
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mysqld-nt.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2392
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM wordpad.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2316
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM mysqld-opt.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1156
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM ocautoupds.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2348
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM ocssd.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2916
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM oracle.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2840
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM sqlagent.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2656
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM sqlbrowser.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2244
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM sqlservr.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3068
      • C:\Windows\system32\taskkill.exe
        "taskkill.exe" /IM synctime.exe /F
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2292
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" & Get-WmiObject Win32_Shadowcopy | ForEach-Object { $_Delete(); }
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1580
      • C:\Windows\System32\notepad.exe
        "C:\Windows\System32\notepad.exe" C:\Users\Admin\Desktop\HOW_TO_DECYPHER_FILES.txt
        2⤵
        • Opens file in notepad (likely ransom note)
        PID:3648
      • C:\Windows\system32\cmd.exe
        "cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 “%s” & Del /f /q “%s”
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:3884
        • C:\Windows\system32\PING.EXE
          ping 127.0.0.7 -n 3
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:3444
        • C:\Windows\system32\fsutil.exe
          fsutil file setZeroData offset=0 length=524288 “%s”
          3⤵
            PID:1992
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" "/C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Ransomware\Client-2.exe
          2⤵
          • Deletes itself
          PID:3808
          • C:\Windows\system32\choice.exe
            choice /C Y /N /D Y /T 3
            3⤵
              PID:2304
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
          1⤵
            PID:2244

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Microsoft\Assistance\Client\1.0\es-ES\Help_MValidator.Lck.energy[[email protected]]

            Filesize

            4KB

            MD5

            1162628a88ff2e87583b5fd61730d748

            SHA1

            677abdd187c4db31c50f6b948ef3fb1be8b7cb74

            SHA256

            09e7d6f8201ff76f1917806d86d8a4d560a7398fb602e6fb8571a8166ca97d62

            SHA512

            26a9bbe07d8a6e3634fa6e4617d2b5e0aed52f5de37e95d61a04b07912035deda5e544996159cfb4d5f31996f4aa6c351caba74ca690e01e9647499c0b7e6af2

          • C:\ProgramData\Package Cache\{BF08E976-B92E-4336-B56F-2171179476C4}v14.30.30704\packages\vcRuntimeAdditional_x86\vc_runtimeAdditional_x86.msi.energy[[email protected]]

            Filesize

            180KB

            MD5

            d5e90d958d7cf8255c1be19f30ddcc65

            SHA1

            024541e9b9b6bf0a27926602a02cc58ef94303ce

            SHA256

            e9ffe9c753c407e2239c254e537df522f698934b1fef87cc8a554d276cca3955

            SHA512

            13ee6dff1ba7b7890dd0cd373b3efa7b8810fb3f689b3b3609baa181a652d1ddb689791fcda1071bf277c26f70c189c9a3ca8d0c500e9cf757dad07d880ec937

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

            Filesize

            7KB

            MD5

            d4470eabc8dd1ddbdd54e3aea2419d18

            SHA1

            83b77bd37f25cf0099657e7e40c5ecac8f2e739c

            SHA256

            dfc09ff7085ea5a6b18991670f36bd97c76f4d1f873f66eb6cd3262e3ebb29d5

            SHA512

            c4fc9c2186bbcbfc5907ff21c3ad1da53efccf218b3aabdc48f96439b3b225ee37a99312df5381f37fce9ce142c8ad3513389343603c65e4fa7194854e1ab611

          • C:\Users\Admin\Desktop\HOW_TO_DECYPHER_FILES.txt

            Filesize

            828B

            MD5

            6f84a27257585de480dddd523402bd44

            SHA1

            1ab6d3fa802e1b12cd6f349019179b8ccc876c8c

            SHA256

            701f4a191b0be63c295cd8fb2a83457489cdceacf45de63915c30cdf698cd8e2

            SHA512

            9eaa0a3b287f793293e8e4bb03d9d80c7ecb8b89d5f7ec18c88abe3b02830d94e2b5cf016941dfec9a5241e39f09413872f29f0bd0a9d815ecc3df2d712b3ae3

          • C:\Users\Admin\Desktop\RenameMount.xlsx.energy[[email protected]]

            Filesize

            12KB

            MD5

            9670aa3020c9f134969de54189e3359c

            SHA1

            8055644e0fb46356e28e11ffc1d0bb0233b6dc38

            SHA256

            a89c8f3a4733c082881d2a30cd3c1279f2a1fc9a401db9da961acec8adb99713

            SHA512

            54afdc0104cd538c68129e444a2cb4a2f857e5bd75e281dc758041d52d300a2c3ea56b81f29491d11b7d8d663519a4c332701c4a365e74e00c55dd5259172d15

          • memory/1580-9-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

            Filesize

            2.9MB

          • memory/1580-10-0x0000000002960000-0x0000000002968000-memory.dmp

            Filesize

            32KB

          • memory/2068-0-0x000007FEF5923000-0x000007FEF5924000-memory.dmp

            Filesize

            4KB

          • memory/2068-336-0x000007FEF5923000-0x000007FEF5924000-memory.dmp

            Filesize

            4KB

          • memory/2068-371-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

            Filesize

            9.9MB

          • memory/2068-3-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

            Filesize

            9.9MB

          • memory/2068-1-0x0000000000900000-0x000000000091A000-memory.dmp

            Filesize

            104KB

          • memory/2068-594-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

            Filesize

            9.9MB