Resubmissions

08/06/2024, 15:19

240608-sqmvesch2s10

06/11/2020, 15:33

201106-nz68d98cw210

Analysis

  • max time kernel
    153s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 15:19

General

  • Target
    f247ae6db52989c9a598c3c7fbc1ae2db54f5c65be862880e11578b8583731cb.exe
  • Size 212KB
  • Sample240608-sqmvesch2s
  • SHA256 f247ae6db52989c9a598c3c7fbc1ae2db54f5c65be862880e11578b8583731cb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Program Files\7-Zip\Lang\RECOVERY DATA INFORMATION.TXT

  • balaclava

Ransom Note
  • Hello! If you see this message - this means your files are now encrypted and are in a non-working state! Now only we can help you recover. If you are ready to restore the work - send us an email to the address [email protected] In the letter, specify your personal identifier, which you will see below. In the reply letter we will inform you the cost of decrypting your files. Also from your servers files, documents, databases SQL, PDF were uploaded to our cloud storage After we agree, you will receive a decryption program, as well as all your files on our server will be deleted. Otherwise, they will fall into the open access of the Internet! Before payment you can send us 1-2 files for test decryption. We will decrypt the files you requested and send you back. This ensures that we own the key to recover your data. The total file size should be no more than 3 MB, the files should not contain valuable information (databases, backups, large Excel spreadsheets ...). Please be sure that we will find common languge. We will restore all the data. Email to contact us - [email protected] Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. Your personal ID: 304-BAC-7BC

Signatures

  • Balaclava Malware

    Balaclava malware is a ransomware program.

  • Detects Zeppelin payload 17 IoCs
  • Zeppelin Ransomware

    Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (3439) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f247ae6db52989c9a598c3c7fbc1ae2db54f5c65be862880e11578b8583731cb.exe
    "C:\Users\Admin\AppData\Local\Temp\f247ae6db52989c9a598c3c7fbc1ae2db54f5c65be862880e11578b8583731cb.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\spoolsv.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\spoolsv.exe" -start
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:3712
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3308
        • C:\Windows\SysWOW64\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3544
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
        3⤵
          PID:404
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
            PID:3052
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
            3⤵
              PID:1864
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
              3⤵
                PID:3332
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2300
                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                  wmic shadowcopy delete
                  4⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1760
              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\spoolsv.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\spoolsv.exe" -agent 0
                3⤵
                • Executes dropped EXE
                • Drops file in Program Files directory
                PID:3096
              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\spoolsv.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\spoolsv.exe" -agent 1
                3⤵
                • Executes dropped EXE
                PID:4340
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
              PID:3084
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
              1⤵
                PID:2204

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    RECOVERY DATA INFORMATION.TXT

                    • Path C:\Program Files\7-Zip\Lang\RECOVERY DATA INFORMATION.TXT
                    • Size 1KB
                    • SHA256 f6fe8a339dc94d3f03281f167f9fba13f9586e45faaff8c5762bb706e1fd9718
                    • MD5 SHA1 SHA512

                    PREVIEWTEMPLATE2.POTX

                    • Path C:\Program Files\Microsoft Office\root\Office16\1033\PREVIEWTEMPLATE2.POTX
                    • Size 292KB
                    • SHA256 8f5d4e8fdb88c190364532f991154c802adc6f3dfbef0ba237f81b59de7bf76e
                    • MD5 SHA1 SHA512 SSDEEP

                    osmdp64.msi

                    • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\osmdp64.msi
                    • Size 2.4MB
                    • SHA256 c33dcb85107d7b8be09e26f44c7239fe0492e25f922f4d13195c5ed051f1ff1b
                    • MD5 SHA1 SHA512 SSDEEP

                    osmclienticon.exe

                    • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmclienticon.exe
                    • Size 62KB
                    • SHA256 7bbebd2a34047217d2880f9fa86eb14f3f8b686e561cf0d70c0ec1fc479e3107
                    • MD5 SHA1 SHA512 SSDEEP

                    misc.exe

                    • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe
                    • Size 1015KB
                    • SHA256 39ffeeb975683fd755c12e5a37a2d9f96e8072fc892ca5e9b483cd0da315a115
                    • MD5 SHA1 SHA512 SSDEEP

                    vlc.mo

                    • Path C:\Program Files\VideoLAN\VLC\locale\es\LC_MESSAGES\vlc.mo
                    • Size 604KB
                    • SHA256 a7223b7ef70f11ac4d7e7ea088a4434cbdce094e428ab91451d66e71eca640e8
                    • MD5 SHA1 SHA512 SSDEEP

                    vlc.mo

                    • Path C:\Program Files\VideoLAN\VLC\locale\lv\LC_MESSAGES\vlc.mo
                    • Size 606KB
                    • SHA256 aabddb92cb8ec58b482a20c7b14ed338daa99b02752dd8105a2409fb1f4d5284
                    • MD5 SHA1 SHA512 SSDEEP

                    vlc.mo

                    • Path C:\Program Files\VideoLAN\VLC\locale\mai\LC_MESSAGES\vlc.mo
                    • Size 785KB
                    • SHA256 587110551de817acb4ae4bd0872ccaadbca7f75eb7d0a9362d71cc1bf1b1de20
                    • MD5 SHA1 SHA512 SSDEEP

                    vlc.mo

                    • Path C:\Program Files\VideoLAN\VLC\locale\nl\LC_MESSAGES\vlc.mo
                    • Size 587KB
                    • SHA256 9a4be1a95f6d8e65bb937c327c0ccdc5b49c1f9ab409616b94126ee7c3021c01
                    • MD5 SHA1 SHA512 SSDEEP

                    vlc.mo

                    • Path C:\Program Files\VideoLAN\VLC\locale\oc\LC_MESSAGES\vlc.mo
                    • Size 527KB
                    • SHA256 ab752e8c275369b39ef84776d95f92248d783f9c6e2df64a3096e83ffd03aaba
                    • MD5 SHA1 SHA512 SSDEEP

                    vlc.mo

                    • Path C:\Program Files\VideoLAN\VLC\locale\sk\LC_MESSAGES\vlc.mo
                    • Size 621KB
                    • SHA256 6902555147627541e1ce1b01ee602bcaf61f5ced55b15f13d7b869e77cc2c883
                    • MD5 SHA1 SHA512 SSDEEP

                    vlc.mo

                    • Path C:\Program Files\VideoLAN\VLC\locale\uk\LC_MESSAGES\vlc.mo
                    • Size 771KB
                    • SHA256 a0dbbdfeee6456295e993621e3cd6e6eabf132e2b5a9370d80a2f1149825a508
                    • MD5 SHA1 SHA512 SSDEEP

                    07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB
                    • Size 2KB
                    • SHA256 0b38c2b473c1e02da927633233632da350f216e558cffdcd8da705d6d376ef9a
                    • MD5 SHA1 SHA512

                    204C1AA6F6114E6A513754A2AB5760FA_3F2A9DB42365395CA97CFD2FA38D17E4

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\204C1AA6F6114E6A513754A2AB5760FA_3F2A9DB42365395CA97CFD2FA38D17E4
                    • Size 5B
                    • SHA256 bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
                    • MD5 SHA1 SHA512

                    B1230D967FD647CD5194F3FFA6C7E7E4

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B1230D967FD647CD5194F3FFA6C7E7E4
                    • Size 144KB
                    • SHA256 bb9b8cccfaf1896caf4533e139bf9e8278f3451b20f3244e4a540f45432c8166
                    • MD5 SHA1 SHA512 SSDEEP

                    B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
                    • Size 1KB
                    • SHA256 de15c1206295e29c2f646e44c26be75afe8e9ddc121f0a12c5097f2546f2e9ac
                    • MD5 SHA1 SHA512

                    07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB
                    • Size 484B
                    • SHA256 bb4ec653c46621fff105ea7d471b08888e14d261fbc9bc02348b0d7d224e1b51
                    • MD5 SHA1 SHA512

                    204C1AA6F6114E6A513754A2AB5760FA_3F2A9DB42365395CA97CFD2FA38D17E4

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\204C1AA6F6114E6A513754A2AB5760FA_3F2A9DB42365395CA97CFD2FA38D17E4
                    • Size 402B
                    • SHA256 2f0ba1c8a71222a8409472698ffdb09097b85e1af40054962f82c6cb0e659cd0
                    • MD5 SHA1 SHA512

                    B1230D967FD647CD5194F3FFA6C7E7E4

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B1230D967FD647CD5194F3FFA6C7E7E4
                    • Size 292B
                    • SHA256 91ba8d6ef1ed0e395a7a0a40f6f463f36fe495142d0f6d861579a8e249e9e3a4
                    • MD5 SHA1 SHA512

                    B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
                    • Size 482B
                    • SHA256 8bb58a2f6398f09e957c0499a0093cde6a75a5dad61531e06667ff85bac8605d
                    • MD5 SHA1 SHA512

                    5ZK22BN6.htm

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\5ZK22BN6.htm
                    • Size 18KB
                    • SHA256 e40cc25f9a709e182c284705b0b50b448deb4b1b81b456a633638003db77068b
                    • MD5 SHA1 SHA512 SSDEEP

                    K1ROHDCR.htm

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BHC2O5WS\K1ROHDCR.htm
                    • Size 190B
                    • SHA256 a563426e24d132cd87b70d9cb5cd3d57c2e1428873a3f3eb94649cf42e37b6a1
                    • MD5 SHA1 SHA512

                    ~temp001.bat

                    • Path C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                    • Size 404B
                    • SHA256 dc94e21e80522b2cee097064c31a7720d70a02d0c55f290d59030fd0c995cac5
                    • MD5 SHA1 SHA512

                    spoolsv.exe

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\spoolsv.exe
                    • Size 212KB
                    • SHA256 f247ae6db52989c9a598c3c7fbc1ae2db54f5c65be862880e11578b8583731cb
                    • MD5 SHA1 SHA512 SSDEEP

                    vcredist2010_x86.log.html

                    • Path C:\vcredist2010_x86.log.html
                    • Size 83KB
                    • SHA256 65f191ca53cad8135a9af6d0dfb0c7f1243a07a3ee4756f70e7e320b42e55d42
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/3096-14227-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-8919-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-13097-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-14235-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-7431-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-5009-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-14233-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-3068-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-14231-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-1941-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-14229-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3096-10665-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3540-28-0x0000000000730000-0x0000000000870000-memory.dmp

                    memory/3712-55-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/3712-51-0x0000000000800000-0x0000000000940000-memory.dmp

                    memory/4340-56-0x0000000000800000-0x0000000000940000-memory.dmp