Analysis

  • max time kernel
    88s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    17/01/2022, 10:21

General

  • Target

    e11be6c6160e9602d06ea63ef69b56df.exe

  • Size

    278KB

  • MD5

    e11be6c6160e9602d06ea63ef69b56df

  • SHA1

    7a8f5a0e2c306a193a812b46b7b401fc8e64fee7

  • SHA256

    8d3756339b69ff5c96e3a8d36e6a7e27c4dbba19bdbe0f8fdd0ceb8ccbf32403

  • SHA512

    5eeea0382a96689f0c934b17e11c37dd54562b58ee21abaeae51b51690ef4678f776c6a82a8dded6819992f8a3f5689ca9f571791a8bae216abef3f95eeb773e

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

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

  • Windows security bypass 2 TTPs
  • xmrig

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

  • Arkei Stealer Payload 2 IoCs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 10 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 4 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 6 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e11be6c6160e9602d06ea63ef69b56df.exe
    "C:\Users\Admin\AppData\Local\Temp\e11be6c6160e9602d06ea63ef69b56df.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Users\Admin\AppData\Local\Temp\e11be6c6160e9602d06ea63ef69b56df.exe
      "C:\Users\Admin\AppData\Local\Temp\e11be6c6160e9602d06ea63ef69b56df.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1824
  • C:\Users\Admin\AppData\Local\Temp\2A99.exe
    C:\Users\Admin\AppData\Local\Temp\2A99.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:608
  • C:\Users\Admin\AppData\Local\Temp\3410.exe
    C:\Users\Admin\AppData\Local\Temp\3410.exe
    1⤵
    • Executes dropped EXE
    PID:564
  • C:\Users\Admin\AppData\Local\Temp\39FA.exe
    C:\Users\Admin\AppData\Local\Temp\39FA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:276
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\koccsawg\
      2⤵
        PID:2012
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dfsyfyly.exe" C:\Windows\SysWOW64\koccsawg\
        2⤵
          PID:1596
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create koccsawg binPath= "C:\Windows\SysWOW64\koccsawg\dfsyfyly.exe /d\"C:\Users\Admin\AppData\Local\Temp\39FA.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1652
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description koccsawg "wifi internet conection"
            2⤵
              PID:1560
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start koccsawg
              2⤵
                PID:1644
              • 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:1080
              • C:\Users\Admin\AppData\Local\Temp\3E01.exe
                C:\Users\Admin\AppData\Local\Temp\3E01.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1548
                • C:\Users\Admin\AppData\Local\Temp\3E01.exe
                  C:\Users\Admin\AppData\Local\Temp\3E01.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1616
              • C:\Windows\SysWOW64\koccsawg\dfsyfyly.exe
                C:\Windows\SysWOW64\koccsawg\dfsyfyly.exe /d"C:\Users\Admin\AppData\Local\Temp\39FA.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:612
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:1760
                  • 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:1728
              • C:\Users\Admin\AppData\Local\Temp\A080.exe
                C:\Users\Admin\AppData\Local\Temp\A080.exe
                1⤵
                • Executes dropped EXE
                PID:1220
              • C:\Users\Admin\AppData\Local\Temp\B92F.exe
                C:\Users\Admin\AppData\Local\Temp\B92F.exe
                1⤵
                • Executes dropped EXE
                PID:1608
              • C:\Users\Admin\AppData\Local\Temp\DB7F.exe
                C:\Users\Admin\AppData\Local\Temp\DB7F.exe
                1⤵
                • Executes dropped EXE
                PID:1100
              • C:\Users\Admin\AppData\Local\Temp\EB87.exe
                C:\Users\Admin\AppData\Local\Temp\EB87.exe
                1⤵
                • Executes dropped EXE
                PID:1920
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  #cmd
                  2⤵
                    PID:1700
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:1184
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:612
                    • C:\Users\Admin\AppData\Local\Temp\18CE.exe
                      C:\Users\Admin\AppData\Local\Temp\18CE.exe
                      1⤵
                        PID:1592
                        • C:\Windows\system32\cmd.exe
                          "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "services" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\services.exe"
                          2⤵
                            PID:2104
                            • C:\Windows\system32\schtasks.exe
                              schtasks /create /f /sc onlogon /rl highest /tn "services" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\services.exe"
                              3⤵
                              • Creates scheduled task(s)
                              PID:2128
                          • C:\Windows\system32\cmd.exe
                            "cmd" cmd /c "C:\Users\Admin\AppData\Roaming\Microsoft\services.exe"
                            2⤵
                              PID:2196
                              • C:\Users\Admin\AppData\Roaming\Microsoft\services.exe
                                C:\Users\Admin\AppData\Roaming\Microsoft\services.exe
                                3⤵
                                  PID:2220
                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe
                                    "C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe"
                                    4⤵
                                      PID:2428
                                    • C:\Windows\explorer.exe
                                      C:\Windows\explorer.exe vlrbkeihyt0 mkl5loplVfqa2wWtDpjzJ5fnYag1V907TInsHor322EwNq4bblptfvYwSt5YE6pKDyB4y+z3bomLLJZlqbcFmSOXHD2a6a11I2EX5y9vTvgSoJAX6cTqkputq4T2QIzbcXjGrXHprbxsT466f4WJruxgGqlP0m3mT31OJKUY9nZRner39PVKvA85uoRQjIl6Q/SYcRqRj7g1WLqGF6K7AP5qxXcSMGXD+byVV8vECWK4NxN1aJ/AqvKRgjPt/A4xELzpppU2mpBP/g+PPcW+FyQcfdJNSW9I04nJSdUh8/gVx5XLDpYQ480AqjLywPADmKjXIKjVY56+oN/AIluaEx4wjt73YlVUT9efi7j2ZMSe+ER0YKcPJAxJTSgq9iW3B/2z7gedaY56c2kWTnb62MTaxz7GzyMVAMtHnbspF1TtgqhXzqEC/TBCKjvGRTyHTQT7IB756+e6O+m4Y+G3lpPP/5YMPrZ7P+0lxUsfCaw=
                                      4⤵
                                        PID:2516

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/276-78-0x0000000000400000-0x00000000005CF000-memory.dmp

                                        Filesize

                                        1.8MB

                                      • memory/276-77-0x00000000001B0000-0x00000000001C3000-memory.dmp

                                        Filesize

                                        76KB

                                      • memory/276-70-0x000000000028B000-0x000000000029C000-memory.dmp

                                        Filesize

                                        68KB

                                      • memory/564-66-0x0000000000220000-0x000000000023C000-memory.dmp

                                        Filesize

                                        112KB

                                      • memory/564-65-0x00000000006AB000-0x00000000006BC000-memory.dmp

                                        Filesize

                                        68KB

                                      • memory/564-67-0x0000000000400000-0x00000000005D0000-memory.dmp

                                        Filesize

                                        1.8MB

                                      • memory/608-113-0x0000000000400000-0x0000000000452000-memory.dmp

                                        Filesize

                                        328KB

                                      • memory/608-111-0x0000000000220000-0x0000000000229000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/608-112-0x0000000000230000-0x0000000000239000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/612-88-0x000000000066B000-0x000000000067C000-memory.dmp

                                        Filesize

                                        68KB

                                      • memory/612-90-0x0000000000400000-0x00000000005CF000-memory.dmp

                                        Filesize

                                        1.8MB

                                      • memory/612-151-0x0000000000060000-0x000000000006C000-memory.dmp

                                        Filesize

                                        48KB

                                      • memory/612-150-0x0000000000070000-0x0000000000077000-memory.dmp

                                        Filesize

                                        28KB

                                      • memory/864-55-0x000000000077B000-0x000000000078C000-memory.dmp

                                        Filesize

                                        68KB

                                      • memory/864-59-0x0000000000220000-0x0000000000229000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/1100-132-0x00000000002C0000-0x0000000000320000-memory.dmp

                                        Filesize

                                        384KB

                                      • memory/1184-154-0x0000000000080000-0x00000000000EB000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/1184-153-0x0000000000440000-0x00000000004B4000-memory.dmp

                                        Filesize

                                        464KB

                                      • memory/1184-149-0x000000006F571000-0x000000006F573000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1220-125-0x0000000002BD0000-0x0000000002C75000-memory.dmp

                                        Filesize

                                        660KB

                                      • memory/1220-141-0x0000000002C80000-0x0000000002CE8000-memory.dmp

                                        Filesize

                                        416KB

                                      • memory/1220-142-0x00000000045C0000-0x0000000004652000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/1220-170-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1220-167-0x00000000002C0000-0x000000000030F000-memory.dmp

                                        Filesize

                                        316KB

                                      • memory/1220-169-0x0000000004660000-0x00000000046F1000-memory.dmp

                                        Filesize

                                        580KB

                                      • memory/1220-143-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1220-166-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1220-124-0x0000000000220000-0x00000000002A0000-memory.dmp

                                        Filesize

                                        512KB

                                      • memory/1220-140-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1220-126-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1420-60-0x00000000021E0000-0x00000000021F6000-memory.dmp

                                        Filesize

                                        88KB

                                      • memory/1420-114-0x00000000048F0000-0x0000000004906000-memory.dmp

                                        Filesize

                                        88KB

                                      • memory/1548-96-0x0000000000820000-0x0000000000821000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1548-95-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1548-82-0x0000000000EE0000-0x0000000000F6A000-memory.dmp

                                        Filesize

                                        552KB

                                      • memory/1548-83-0x0000000000EE0000-0x0000000000F6A000-memory.dmp

                                        Filesize

                                        552KB

                                      • memory/1592-172-0x000000013F1C0000-0x000000013FAEE000-memory.dmp

                                        Filesize

                                        9.2MB

                                      • memory/1592-173-0x0000000005C90000-0x0000000005C92000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1592-171-0x000000013F1C0000-0x000000013FAEE000-memory.dmp

                                        Filesize

                                        9.2MB

                                      • memory/1608-178-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1608-129-0x0000000000310000-0x0000000000390000-memory.dmp

                                        Filesize

                                        512KB

                                      • memory/1608-165-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1608-176-0x0000000000400000-0x0000000002BC5000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/1616-103-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1616-101-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1616-104-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1616-109-0x0000000004420000-0x0000000004421000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1616-100-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1616-108-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1616-107-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1616-102-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/1700-155-0x0000000000400000-0x000000000046C000-memory.dmp

                                        Filesize

                                        432KB

                                      • memory/1700-159-0x0000000000400000-0x000000000046C000-memory.dmp

                                        Filesize

                                        432KB

                                      • memory/1700-162-0x0000000000400000-0x000000000046C000-memory.dmp

                                        Filesize

                                        432KB

                                      • memory/1700-163-0x0000000000400000-0x000000000046C000-memory.dmp

                                        Filesize

                                        432KB

                                      • memory/1700-164-0x0000000004C10000-0x0000000004C11000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1700-158-0x0000000000400000-0x000000000046C000-memory.dmp

                                        Filesize

                                        432KB

                                      • memory/1700-157-0x0000000000400000-0x000000000046C000-memory.dmp

                                        Filesize

                                        432KB

                                      • memory/1700-156-0x0000000000400000-0x000000000046C000-memory.dmp

                                        Filesize

                                        432KB

                                      • memory/1728-116-0x0000000000220000-0x0000000000311000-memory.dmp

                                        Filesize

                                        964KB

                                      • memory/1728-115-0x0000000000220000-0x0000000000311000-memory.dmp

                                        Filesize

                                        964KB

                                      • memory/1760-92-0x0000000000080000-0x0000000000095000-memory.dmp

                                        Filesize

                                        84KB

                                      • memory/1760-91-0x0000000000080000-0x0000000000095000-memory.dmp

                                        Filesize

                                        84KB

                                      • memory/1824-56-0x0000000000400000-0x0000000000409000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/1824-58-0x0000000075421000-0x0000000075423000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1920-137-0x0000000000DC0000-0x0000000000EEA000-memory.dmp

                                        Filesize

                                        1.2MB

                                      • memory/1920-136-0x0000000000DC0000-0x0000000000EEA000-memory.dmp

                                        Filesize

                                        1.2MB

                                      • memory/1920-139-0x0000000004E70000-0x0000000004E71000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2220-185-0x000000013FA00000-0x000000014032E000-memory.dmp

                                        Filesize

                                        9.2MB

                                      • memory/2220-186-0x00000000021F0000-0x00000000021F2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2220-184-0x000000013FA00000-0x000000014032E000-memory.dmp

                                        Filesize

                                        9.2MB

                                      • memory/2428-194-0x000000001B140000-0x000000001B142000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2428-192-0x0000000000B40000-0x0000000000B5A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/2428-191-0x0000000000B40000-0x0000000000B5A000-memory.dmp

                                        Filesize

                                        104KB

                                      • memory/2516-195-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB

                                      • memory/2516-196-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB

                                      • memory/2516-197-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB

                                      • memory/2516-198-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB

                                      • memory/2516-199-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB

                                      • memory/2516-200-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB

                                      • memory/2516-201-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB

                                      • memory/2516-202-0x0000000140000000-0x000000014097B000-memory.dmp

                                        Filesize

                                        9.5MB