Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-08-2021 07:16

General

  • Target

    dd908ee50b4800fa2bf960c3bb88aef6.exe

  • Size

    143KB

  • MD5

    dd908ee50b4800fa2bf960c3bb88aef6

  • SHA1

    5617791af0fe098968ce7dd934f948e2f9c0bce7

  • SHA256

    04b7b21160c2634304e7f9e377dcf1fc98bd6def1bbec40ec2bcfd85e97310d1

  • SHA512

    2baff0db049c2c18da17b3d97946028047c4e8791377f1b0ccf49f6e5dc4fafb7f753dfe05c2138e615ab71a38e088d5dd994077062593644b6320686d7a1557

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: 45E-941-975 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

Extracted

Family

raccoon

Botnet

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Signatures

  • Buran

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

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 6 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

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

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

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • 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 2 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.

  • Program crash 14 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • 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\dd908ee50b4800fa2bf960c3bb88aef6.exe
    "C:\Users\Admin\AppData\Local\Temp\dd908ee50b4800fa2bf960c3bb88aef6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Users\Admin\AppData\Local\Temp\dd908ee50b4800fa2bf960c3bb88aef6.exe
      "C:\Users\Admin\AppData\Local\Temp\dd908ee50b4800fa2bf960c3bb88aef6.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3036
  • C:\Users\Admin\AppData\Local\Temp\28C6.exe
    C:\Users\Admin\AppData\Local\Temp\28C6.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1236
  • C:\Users\Admin\AppData\Local\Temp\2EF1.exe
    C:\Users\Admin\AppData\Local\Temp\2EF1.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1484
  • C:\Users\Admin\AppData\Local\Temp\3089.exe
    C:\Users\Admin\AppData\Local\Temp\3089.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe" -start
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:888
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
        3⤵
          PID:1980
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4312
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
          3⤵
            PID:4004
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
            3⤵
              PID:3968
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
              3⤵
                PID:3008
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                3⤵
                  PID:2336
                  • C:\Windows\SysWOW64\vssadmin.exe
                    vssadmin delete shadows /all /quiet
                    4⤵
                    • Interacts with shadow copies
                    PID:4296
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                  3⤵
                    PID:1036
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic shadowcopy delete
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4336
                    • C:\Windows\SysWOW64\vssadmin.exe
                      vssadmin delete shadows /all /quiet
                      4⤵
                      • Interacts with shadow copies
                      PID:4612
                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe" -agent 0
                    3⤵
                    • Executes dropped EXE
                    • Drops file in Program Files directory
                    PID:4120
                • C:\Windows\SysWOW64\notepad.exe
                  notepad.exe
                  2⤵
                    PID:496
                • C:\Users\Admin\AppData\Local\Temp\3210.exe
                  C:\Users\Admin\AppData\Local\Temp\3210.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:2300
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 736
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1152
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 748
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1720
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 848
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4004
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 900
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2132
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1188
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3372
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1232
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1980
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1192
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1324
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1204
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2132
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1216
                    2⤵
                    • Program crash
                    PID:1636
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1212
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1960
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 836
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4272
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1144
                    2⤵
                    • Program crash
                    PID:4368
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 672
                    2⤵
                    • Program crash
                    PID:4480
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1268
                    2⤵
                    • Suspicious use of NtCreateProcessExOtherParentProcess
                    • Program crash
                    PID:4632
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:2212
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:3868
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:3168
                      • C:\Windows\explorer.exe
                        C:\Windows\explorer.exe
                        1⤵
                          PID:3284
                        • C:\Windows\SysWOW64\explorer.exe
                          C:\Windows\SysWOW64\explorer.exe
                          1⤵
                            PID:2864
                          • C:\Windows\explorer.exe
                            C:\Windows\explorer.exe
                            1⤵
                              PID:1340
                            • C:\Windows\SysWOW64\explorer.exe
                              C:\Windows\SysWOW64\explorer.exe
                              1⤵
                                PID:628
                              • C:\Windows\explorer.exe
                                C:\Windows\explorer.exe
                                1⤵
                                  PID:3940
                                • C:\Windows\SysWOW64\explorer.exe
                                  C:\Windows\SysWOW64\explorer.exe
                                  1⤵
                                    PID:3356
                                  • C:\Windows\system32\vssvc.exe
                                    C:\Windows\system32\vssvc.exe
                                    1⤵
                                      PID:4400
                                    • C:\Windows\system32\vssvc.exe
                                      C:\Windows\system32\vssvc.exe
                                      1⤵
                                        PID:4564

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/496-177-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/496-168-0x0000000000000000-mapping.dmp

                                      • memory/628-180-0x0000000000000000-mapping.dmp

                                      • memory/628-183-0x0000000000900000-0x0000000000904000-memory.dmp

                                        Filesize

                                        16KB

                                      • memory/628-184-0x00000000008F0000-0x00000000008F9000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/664-116-0x00000000001E0000-0x00000000001EA000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/888-165-0x0000000000000000-mapping.dmp

                                      • memory/1036-212-0x0000000000000000-mapping.dmp

                                      • memory/1236-140-0x0000000006350000-0x0000000006351000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-129-0x0000000000D30000-0x0000000000D31000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-118-0x0000000000000000-mapping.dmp

                                      • memory/1236-205-0x0000000008930000-0x0000000008931000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-199-0x0000000007E50000-0x0000000007E51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-198-0x0000000008D30000-0x0000000008D31000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-197-0x0000000007E70000-0x0000000007E71000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-196-0x0000000007B80000-0x0000000007B81000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-125-0x0000000077020000-0x00000000771AE000-memory.dmp

                                        Filesize

                                        1.6MB

                                      • memory/1236-139-0x00000000061F0000-0x00000000061F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-146-0x0000000006230000-0x0000000006231000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-136-0x0000000006360000-0x0000000006361000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-135-0x0000000006190000-0x0000000006191000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1236-134-0x0000000006970000-0x0000000006971000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1340-176-0x0000000000000000-mapping.dmp

                                      • memory/1340-178-0x0000000000A30000-0x0000000000A36000-memory.dmp

                                        Filesize

                                        24KB

                                      • memory/1340-179-0x0000000000A20000-0x0000000000A2C000-memory.dmp

                                        Filesize

                                        48KB

                                      • memory/1484-150-0x0000000005500000-0x0000000005501000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1484-122-0x0000000000000000-mapping.dmp

                                      • memory/1484-138-0x0000000077020000-0x00000000771AE000-memory.dmp

                                        Filesize

                                        1.6MB

                                      • memory/1484-141-0x0000000000860000-0x0000000000861000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1484-188-0x0000000006E10000-0x0000000006E11000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1484-190-0x0000000007510000-0x0000000007511000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1484-195-0x0000000006D20000-0x0000000006D21000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1980-207-0x0000000000000000-mapping.dmp

                                      • memory/2212-153-0x0000000000B10000-0x0000000000B7B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/2212-151-0x0000000000B80000-0x0000000000BF4000-memory.dmp

                                        Filesize

                                        464KB

                                      • memory/2212-144-0x0000000000000000-mapping.dmp

                                      • memory/2276-126-0x0000000000000000-mapping.dmp

                                      • memory/2300-131-0x0000000000000000-mapping.dmp

                                      • memory/2300-181-0x0000000001E70000-0x0000000001FBA000-memory.dmp

                                        Filesize

                                        1.3MB

                                      • memory/2300-182-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                        Filesize

                                        25.7MB

                                      • memory/2336-211-0x0000000000000000-mapping.dmp

                                      • memory/2864-162-0x0000000000000000-mapping.dmp

                                      • memory/2864-163-0x0000000000C40000-0x0000000000C45000-memory.dmp

                                        Filesize

                                        20KB

                                      • memory/2864-164-0x0000000000C30000-0x0000000000C39000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/3008-210-0x0000000000000000-mapping.dmp

                                      • memory/3024-117-0x0000000000760000-0x0000000000776000-memory.dmp

                                        Filesize

                                        88KB

                                      • memory/3036-115-0x0000000000402FAB-mapping.dmp

                                      • memory/3036-114-0x0000000000400000-0x0000000000409000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/3168-154-0x0000000000000000-mapping.dmp

                                      • memory/3168-158-0x0000000000C70000-0x0000000000C7B000-memory.dmp

                                        Filesize

                                        44KB

                                      • memory/3168-156-0x0000000000C80000-0x0000000000C87000-memory.dmp

                                        Filesize

                                        28KB

                                      • memory/3284-159-0x0000000000000000-mapping.dmp

                                      • memory/3284-160-0x0000000000380000-0x0000000000389000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/3284-161-0x0000000000370000-0x000000000037F000-memory.dmp

                                        Filesize

                                        60KB

                                      • memory/3356-193-0x00000000005B0000-0x00000000005B5000-memory.dmp

                                        Filesize

                                        20KB

                                      • memory/3356-189-0x0000000000000000-mapping.dmp

                                      • memory/3356-194-0x00000000005A0000-0x00000000005A9000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/3868-157-0x00000000007D0000-0x00000000007DC000-memory.dmp

                                        Filesize

                                        48KB

                                      • memory/3868-155-0x00000000007E0000-0x00000000007E7000-memory.dmp

                                        Filesize

                                        28KB

                                      • memory/3868-152-0x0000000000000000-mapping.dmp

                                      • memory/3940-186-0x0000000000B00000-0x0000000000B05000-memory.dmp

                                        Filesize

                                        20KB

                                      • memory/3940-187-0x0000000000AF0000-0x0000000000AF9000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/3940-185-0x0000000000000000-mapping.dmp

                                      • memory/3968-209-0x0000000000000000-mapping.dmp

                                      • memory/4004-208-0x0000000000000000-mapping.dmp

                                      • memory/4120-213-0x0000000000000000-mapping.dmp

                                      • memory/4296-216-0x0000000000000000-mapping.dmp

                                      • memory/4312-217-0x0000000000000000-mapping.dmp

                                      • memory/4336-218-0x0000000000000000-mapping.dmp

                                      • memory/4612-219-0x0000000000000000-mapping.dmp