Overview

overview

10

Static

static

dridex

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    31/08/2021, 14:53

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    a92618c221f1a23c122054103b136f6dab994bd7eeb78feb90b5fc627687ce16.exe

  • Size

    271KB

  • MD5

    739ea3e3f504a12e8faaed996d14dd9e

  • SHA1

    32e935835d7d4956f578fddbb44e58fdd2cd3599

  • SHA256

    a92618c221f1a23c122054103b136f6dab994bd7eeb78feb90b5fc627687ce16

  • SHA512

    842794850bfeff1a5592810fc45e1cb1f9097bc5dc514149ec5adb771a9639aab41a521f36c64b39ea4393419751be7989bcfee39938feec19cc9f29620e9ce9

Score
10/10
buransmokeloaderbackdoordiscoveryevasionpersistenceransomwarespywarestealerthemidatrojan

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 500$=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: 935-356-859 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
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Executes dropped EXE 4 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • 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
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 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 3 IoCs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a92618c221f1a23c122054103b136f6dab994bd7eeb78feb90b5fc627687ce16.exe
    "C:\Users\Admin\AppData\Local\Temp\a92618c221f1a23c122054103b136f6dab994bd7eeb78feb90b5fc627687ce16.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\a92618c221f1a23c122054103b136f6dab994bd7eeb78feb90b5fc627687ce16.exe
      "C:\Users\Admin\AppData\Local\Temp\a92618c221f1a23c122054103b136f6dab994bd7eeb78feb90b5fc627687ce16.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3620
  • C:\Users\Admin\AppData\Local\Temp\FA54.exe
    C:\Users\Admin\AppData\Local\Temp\FA54.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe" -start
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
        3⤵
          PID:2148
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3972
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
          3⤵
            PID:864
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
            3⤵
              PID:1128
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
              3⤵
                PID:572
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                3⤵
                  PID:1540
                  • C:\Windows\SysWOW64\vssadmin.exe
                    vssadmin delete shadows /all /quiet
                    4⤵
                    • Interacts with shadow copies
                    PID:2664
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                  3⤵
                    PID:3668
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic shadowcopy delete
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3720
                    • C:\Windows\SysWOW64\vssadmin.exe
                      vssadmin delete shadows /all /quiet
                      4⤵
                      • Interacts with shadow copies
                      PID:3712
                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe" -agent 0
                    3⤵
                    • Executes dropped EXE
                    • Drops file in Program Files directory
                    PID:792
                • C:\Windows\SysWOW64\notepad.exe
                  notepad.exe
                  2⤵
                    PID:1812
                • C:\Users\Admin\AppData\Local\Temp\FE5C.exe
                  C:\Users\Admin\AppData\Local\Temp\FE5C.exe
                  1⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2372
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:572
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:2156
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:2112
                      • C:\Windows\explorer.exe
                        C:\Windows\explorer.exe
                        1⤵
                          PID:3988
                        • C:\Windows\SysWOW64\explorer.exe
                          C:\Windows\SysWOW64\explorer.exe
                          1⤵
                            PID:2036
                          • C:\Windows\explorer.exe
                            C:\Windows\explorer.exe
                            1⤵
                              PID:412
                            • C:\Windows\SysWOW64\explorer.exe
                              C:\Windows\SysWOW64\explorer.exe
                              1⤵
                                PID:2420
                              • C:\Windows\explorer.exe
                                C:\Windows\explorer.exe
                                1⤵
                                  PID:3452
                                • C:\Windows\SysWOW64\explorer.exe
                                  C:\Windows\SysWOW64\explorer.exe
                                  1⤵
                                    PID:1700
                                  • C:\Windows\system32\vssvc.exe
                                    C:\Windows\system32\vssvc.exe
                                    1⤵
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:2836

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/412-164-0x0000000000800000-0x000000000080C000-memory.dmp

                                    Filesize

                                    48KB

                                    Download

                                  • memory/412-163-0x0000000000810000-0x0000000000816000-memory.dmp

                                    Filesize

                                    24KB

                                    Download

                                  • memory/572-128-0x0000000003220000-0x000000000328B000-memory.dmp

                                    Filesize

                                    428KB

                                    Download

                                  • memory/572-127-0x0000000003290000-0x0000000003304000-memory.dmp

                                    Filesize

                                    464KB

                                    Download

                                  • memory/640-116-0x0000000000030000-0x000000000003A000-memory.dmp

                                    Filesize

                                    40KB

                                    Download

                                  • memory/1700-173-0x0000000000520000-0x0000000000529000-memory.dmp

                                    Filesize

                                    36KB

                                    Download

                                  • memory/1700-172-0x0000000000530000-0x0000000000535000-memory.dmp

                                    Filesize

                                    20KB

                                    Download

                                  • memory/1812-159-0x0000000000B70000-0x0000000000B71000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2036-161-0x00000000003C0000-0x00000000003C9000-memory.dmp

                                    Filesize

                                    36KB

                                    Download

                                  • memory/2036-160-0x00000000003D0000-0x00000000003D5000-memory.dmp

                                    Filesize

                                    20KB

                                    Download

                                  • memory/2112-138-0x00000000003E0000-0x00000000003EB000-memory.dmp

                                    Filesize

                                    44KB

                                    Download

                                  • memory/2112-137-0x00000000003F0000-0x00000000003F7000-memory.dmp

                                    Filesize

                                    28KB

                                    Download

                                  • memory/2156-131-0x0000000000EB0000-0x0000000000EBC000-memory.dmp

                                    Filesize

                                    48KB

                                    Download

                                  • memory/2156-130-0x0000000000EC0000-0x0000000000EC7000-memory.dmp

                                    Filesize

                                    28KB

                                    Download

                                  • memory/2372-136-0x0000000005700000-0x0000000005701000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-139-0x00000000058E0000-0x00000000058E1000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-134-0x0000000005DE0000-0x0000000005DE1000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-132-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-140-0x0000000005760000-0x0000000005761000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-184-0x0000000007530000-0x0000000007531000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-129-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

                                    Filesize

                                    1.6MB

                                    Download

                                  • memory/2372-147-0x00000000057D0000-0x00000000057D1000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-179-0x0000000007460000-0x0000000007461000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-178-0x00000000073C0000-0x00000000073C1000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-177-0x0000000007340000-0x0000000007341000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-176-0x0000000007DA0000-0x0000000007DA1000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-142-0x00000000057C0000-0x00000000057C1000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-175-0x0000000007870000-0x0000000007871000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2372-174-0x0000000007170000-0x0000000007171000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/2420-166-0x0000000000810000-0x0000000000814000-memory.dmp

                                    Filesize

                                    16KB

                                    Download

                                  • memory/2420-167-0x0000000000800000-0x0000000000809000-memory.dmp

                                    Filesize

                                    36KB

                                    Download

                                  • memory/3092-117-0x0000000000A50000-0x0000000000A66000-memory.dmp

                                    Filesize

                                    88KB

                                    Download

                                  • memory/3452-169-0x0000000000B90000-0x0000000000B95000-memory.dmp

                                    Filesize

                                    20KB

                                    Download

                                  • memory/3452-170-0x0000000000B80000-0x0000000000B89000-memory.dmp

                                    Filesize

                                    36KB

                                    Download

                                  • memory/3620-114-0x0000000000400000-0x0000000000409000-memory.dmp

                                    Filesize

                                    36KB

                                    Download

                                  • memory/3988-144-0x0000000000BD0000-0x0000000000BDF000-memory.dmp

                                    Filesize

                                    60KB

                                    Download

                                  • memory/3988-143-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

                                    Filesize

                                    36KB

                                    Download