Overview

overview

10

Static

static

dridex

windows10_x64

10

Analysis

  • max time kernel
    165s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30/08/2021, 05:53

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Report Analysis Logs

General

  • Target

    f4665aadb3a85c635ae32de0d8228d5421a697e0b6b626703cb7f5f23f81385a.exe

  • Size

    211KB

  • MD5

    cabd5e3590e1d697dba364fa0aff842c

  • SHA1

    fcfac85e243c10af5c1e37e6136e3301b88ae618

  • SHA256

    f4665aadb3a85c635ae32de0d8228d5421a697e0b6b626703cb7f5f23f81385a

  • SHA512

    9dee644e83177346746b9b89688019412501f421b521c374d9ae10e70555a420d79ee9f1f2e439a702ff6b89111b318cba0b7f3154d8dd56fd2d6c95549c3164

Score
10/10
buransmokeloaderbackdoordiscoverypersistenceransomwarespywarestealertrojan

Malware Config

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. PAY FAST 590$=0.013 btc or the price will increase tomorrow bitcoin address bc1qqxnp9z0ff8x852dyflp5r9r6rzse8jl5hzmqz8 To be sure we have the decryptor and it works you can send an email: [email protected] and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? [email protected] TELEGRAM @ payfast290 Your personal ID: 96A-E78-E6B Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/
rc4.i32
rc4.i32

Signatures

  • Buran

    Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    ransomwareburan
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 6 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 24 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
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Modifies data under HKEY_USERS 4 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4665aadb3a85c635ae32de0d8228d5421a697e0b6b626703cb7f5f23f81385a.exe
    "C:\Users\Admin\AppData\Local\Temp\f4665aadb3a85c635ae32de0d8228d5421a697e0b6b626703cb7f5f23f81385a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\f4665aadb3a85c635ae32de0d8228d5421a697e0b6b626703cb7f5f23f81385a.exe
      "C:\Users\Admin\AppData\Local\Temp\f4665aadb3a85c635ae32de0d8228d5421a697e0b6b626703cb7f5f23f81385a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3052
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -s BITS
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:1812
  • C:\Users\Admin\AppData\Local\Temp\74C3.exe
    C:\Users\Admin\AppData\Local\Temp\74C3.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe" -start
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:3900
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
        3⤵
          PID:1196
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3480
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
          3⤵
            PID:2964
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
            3⤵
              PID:3536
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
              3⤵
                PID:2264
              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\svchost.exe" -agent 0
                3⤵
                • Executes dropped EXE
                • Drops file in Program Files directory
                PID:3256
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                3⤵
                  PID:584
                  • C:\Windows\SysWOW64\vssadmin.exe
                    vssadmin delete shadows /all /quiet
                    4⤵
                    • Interacts with shadow copies
                    PID:708
            • C:\Users\Admin\AppData\Local\Temp\76A9.exe
              C:\Users\Admin\AppData\Local\Temp\76A9.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2020
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:1568
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:732
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:2308
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:984
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:3924
                      • C:\Windows\explorer.exe
                        C:\Windows\explorer.exe
                        1⤵
                          PID:3988
                        • C:\Windows\SysWOW64\explorer.exe
                          C:\Windows\SysWOW64\explorer.exe
                          1⤵
                            PID:2820
                          • C:\Windows\explorer.exe
                            C:\Windows\explorer.exe
                            1⤵
                              PID:4064
                            • C:\Windows\SysWOW64\explorer.exe
                              C:\Windows\SysWOW64\explorer.exe
                              1⤵
                                PID:2368
                              • C:\Windows\system32\vssvc.exe
                                C:\Windows\system32\vssvc.exe
                                1⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1256
                              • C:\Users\Admin\AppData\Roaming\ihwarjh
                                C:\Users\Admin\AppData\Roaming\ihwarjh
                                1⤵
                                • Executes dropped EXE
                                • Suspicious use of SetThreadContext
                                PID:1568
                                • C:\Users\Admin\AppData\Roaming\ihwarjh
                                  C:\Users\Admin\AppData\Roaming\ihwarjh
                                  2⤵
                                  • Executes dropped EXE
                                  • Checks SCSI registry key(s)
                                  • Suspicious behavior: MapViewOfSection
                                  PID:2452

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/732-127-0x0000000000820000-0x0000000000827000-memory.dmp

                                Filesize

                                28KB

                                Download

                              • memory/732-128-0x0000000000810000-0x000000000081C000-memory.dmp

                                Filesize

                                48KB

                                Download

                              • memory/984-135-0x0000000000810000-0x0000000000819000-memory.dmp

                                Filesize

                                36KB

                                Download

                              • memory/984-136-0x0000000000800000-0x000000000080F000-memory.dmp

                                Filesize

                                60KB

                                Download

                              • memory/1248-114-0x0000000002100000-0x000000000210A000-memory.dmp

                                Filesize

                                40KB

                                Download

                              • memory/1568-134-0x0000000000C00000-0x0000000000C6B000-memory.dmp

                                Filesize

                                428KB

                                Download

                              • memory/1568-192-0x0000000001D90000-0x0000000001EDA000-memory.dmp

                                Filesize

                                1.3MB

                                Download

                              • memory/1568-132-0x0000000000C70000-0x0000000000CE4000-memory.dmp

                                Filesize

                                464KB

                                Download

                              • memory/2020-184-0x00000000097F0000-0x00000000097F1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-181-0x0000000008DC0000-0x0000000008DC1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-149-0x0000000003460000-0x0000000003461000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-151-0x00000000065B0000-0x00000000065B1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-143-0x0000000000E40000-0x0000000000E42000-memory.dmp

                                Filesize

                                8KB

                                Download

                              • memory/2020-170-0x0000000004020000-0x0000000004021000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-180-0x00000000086C0000-0x00000000086C1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-155-0x00000000037F0000-0x00000000037F1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-148-0x0000000006BC0000-0x0000000006BC1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-156-0x0000000004170000-0x0000000004171000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-182-0x0000000008890000-0x0000000008891000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-183-0x0000000008910000-0x0000000008911000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-185-0x00000000089D0000-0x00000000089D1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-186-0x0000000008D20000-0x0000000008D21000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2020-126-0x000000007F8F0000-0x000000007FCC1000-memory.dmp

                                Filesize

                                3.8MB

                                Download

                              • memory/2308-131-0x0000000000130000-0x0000000000137000-memory.dmp

                                Filesize

                                28KB

                                Download

                              • memory/2308-133-0x0000000000120000-0x000000000012B000-memory.dmp

                                Filesize

                                44KB

                                Download

                              • memory/2368-158-0x0000000000B20000-0x0000000000B29000-memory.dmp

                                Filesize

                                36KB

                                Download

                              • memory/2368-157-0x0000000000B30000-0x0000000000B35000-memory.dmp

                                Filesize

                                20KB

                                Download

                              • memory/2820-146-0x00000000008D0000-0x00000000008D4000-memory.dmp

                                Filesize

                                16KB

                                Download

                              • memory/2820-147-0x00000000008C0000-0x00000000008C9000-memory.dmp

                                Filesize

                                36KB

                                Download

                              • memory/3032-117-0x0000000000E90000-0x0000000000EA6000-memory.dmp

                                Filesize

                                88KB

                                Download

                              • memory/3052-115-0x0000000000400000-0x0000000000409000-memory.dmp

                                Filesize

                                36KB

                                Download

                              • memory/3924-138-0x0000000000450000-0x0000000000455000-memory.dmp

                                Filesize

                                20KB

                                Download

                              • memory/3924-139-0x0000000000440000-0x0000000000449000-memory.dmp

                                Filesize

                                36KB

                                Download

                              • memory/3988-142-0x00000000003F0000-0x00000000003FC000-memory.dmp

                                Filesize

                                48KB

                                Download

                              • memory/3988-141-0x0000000000680000-0x0000000000686000-memory.dmp

                                Filesize

                                24KB

                                Download

                              • memory/4064-152-0x0000000000BE0000-0x0000000000BE5000-memory.dmp

                                Filesize

                                20KB

                                Download

                              • memory/4064-153-0x0000000000BD0000-0x0000000000BD9000-memory.dmp

                                Filesize

                                36KB

                                Download