Analysis

  • max time kernel
    153s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    15/01/2022, 05:21

General

  • Target

    de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506.exe

  • Size

    319KB

  • MD5

    f55e723078dc19c9c74852c30f767256

  • SHA1

    9bf01839141d08f2547c2ea240d3101e3a1124e6

  • SHA256

    de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506

  • SHA512

    b0307a4c24fbf12dc4ed07a4132bbaf80bef27e73e38b53a93cc27c072be9c2bd15a8bc7cf4b5241093dd12de60a379886d1df7fa6b04df58582b9088880aa8a

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.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • 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
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • XMRig Miner Payload 3 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • 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 15 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 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 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Launches sc.exe

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

  • Detects Pyinstaller 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Modifies data under HKEY_USERS 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506.exe
    "C:\Users\Admin\AppData\Local\Temp\de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506.exe
      "C:\Users\Admin\AppData\Local\Temp\de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3248
  • C:\Users\Admin\AppData\Local\Temp\B18.exe
    C:\Users\Admin\AppData\Local\Temp\B18.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:3484
  • C:\Users\Admin\AppData\Local\Temp\11DF.exe
    C:\Users\Admin\AppData\Local\Temp\11DF.exe
    1⤵
    • Executes dropped EXE
    PID:1016
  • C:\Users\Admin\AppData\Local\Temp\154B.exe
    C:\Users\Admin\AppData\Local\Temp\154B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wrgxkeim\
      2⤵
        PID:3136
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ncicxnla.exe" C:\Windows\SysWOW64\wrgxkeim\
        2⤵
          PID:356
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create wrgxkeim binPath= "C:\Windows\SysWOW64\wrgxkeim\ncicxnla.exe /d\"C:\Users\Admin\AppData\Local\Temp\154B.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:2044
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description wrgxkeim "wifi internet conection"
            2⤵
              PID:1372
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start wrgxkeim
              2⤵
                PID:1752
              • 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:4020
              • C:\Users\Admin\AppData\Local\Temp\1702.exe
                C:\Users\Admin\AppData\Local\Temp\1702.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2600
                • C:\Users\Admin\AppData\Local\Temp\1702.exe
                  C:\Users\Admin\AppData\Local\Temp\1702.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3132
              • C:\Windows\SysWOW64\wrgxkeim\ncicxnla.exe
                C:\Windows\SysWOW64\wrgxkeim\ncicxnla.exe /d"C:\Users\Admin\AppData\Local\Temp\154B.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2020
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:2904
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                      PID:1880
                • C:\Users\Admin\AppData\Local\Temp\88A8.exe
                  C:\Users\Admin\AppData\Local\Temp\88A8.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3772
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 400
                    2⤵
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3916
                • C:\Users\Admin\AppData\Local\Temp\8B1A.exe
                  C:\Users\Admin\AppData\Local\Temp\8B1A.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3760
                • C:\Users\Admin\AppData\Local\Temp\8D5D.exe
                  C:\Users\Admin\AppData\Local\Temp\8D5D.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3932
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                  • Accesses Microsoft Outlook profiles
                  • outlook_office_path
                  • outlook_win_path
                  PID:680
                • C:\Users\Admin\AppData\Local\Temp\9C33.exe
                  C:\Users\Admin\AppData\Local\Temp\9C33.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1344
                  • C:\Users\Admin\AppData\Local\Temp\9C33.exe
                    C:\Users\Admin\AppData\Local\Temp\9C33.exe
                    2⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1068
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Local\Temp\111.exe
                      3⤵
                        PID:3964
                        • C:\Users\Admin\AppData\Local\Temp\111.exe
                          C:\Users\Admin\AppData\Local\Temp\111.exe
                          4⤵
                          • Executes dropped EXE
                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                          PID:2024
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 664
                            5⤵
                            • Suspicious use of NtCreateProcessExOtherParentProcess
                            • Program crash
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1840
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Local\Temp\2.exe
                        3⤵
                          PID:3000
                          • C:\Users\Admin\AppData\Local\Temp\2.exe
                            C:\Users\Admin\AppData\Local\Temp\2.exe
                            4⤵
                            • Executes dropped EXE
                            PID:3040
                    • C:\Windows\explorer.exe
                      C:\Windows\explorer.exe
                      1⤵
                        PID:3188
                      • C:\Users\Admin\AppData\Local\Temp\B308.exe
                        C:\Users\Admin\AppData\Local\Temp\B308.exe
                        1⤵
                        • Executes dropped EXE
                        • Checks BIOS information in registry
                        • Checks whether UAC is enabled
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1936
                      • C:\Users\Admin\AppData\Local\Temp\D1EB.exe
                        C:\Users\Admin\AppData\Local\Temp\D1EB.exe
                        1⤵
                        • Executes dropped EXE
                        PID:1752
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 400
                          2⤵
                          • Program crash
                          PID:2936

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/680-217-0x0000000000870000-0x00000000008E4000-memory.dmp

                              Filesize

                              464KB

                            • memory/680-218-0x0000000000800000-0x000000000086B000-memory.dmp

                              Filesize

                              428KB

                            • memory/1016-136-0x00000000006B0000-0x00000000006CC000-memory.dmp

                              Filesize

                              112KB

                            • memory/1016-137-0x0000000000400000-0x0000000000560000-memory.dmp

                              Filesize

                              1.4MB

                            • memory/1016-132-0x0000000000719000-0x000000000072A000-memory.dmp

                              Filesize

                              68KB

                            • memory/1604-149-0x0000000000400000-0x000000000055F000-memory.dmp

                              Filesize

                              1.4MB

                            • memory/1604-148-0x00000000005C0000-0x00000000005D3000-memory.dmp

                              Filesize

                              76KB

                            • memory/1880-354-0x0000000000630000-0x0000000000721000-memory.dmp

                              Filesize

                              964KB

                            • memory/1880-359-0x0000000000630000-0x0000000000721000-memory.dmp

                              Filesize

                              964KB

                            • memory/1936-282-0x0000000002A40000-0x0000000002A41000-memory.dmp

                              Filesize

                              4KB

                            • memory/1936-281-0x0000000002A90000-0x0000000002A91000-memory.dmp

                              Filesize

                              4KB

                            • memory/1936-280-0x0000000002A80000-0x0000000002A81000-memory.dmp

                              Filesize

                              4KB

                            • memory/1936-287-0x0000000000400000-0x00000000009FC000-memory.dmp

                              Filesize

                              6.0MB

                            • memory/2020-167-0x0000000000400000-0x000000000055F000-memory.dmp

                              Filesize

                              1.4MB

                            • memory/2024-272-0x0000000000340000-0x0000000000342000-memory.dmp

                              Filesize

                              8KB

                            • memory/2024-267-0x0000000000360000-0x0000000000424000-memory.dmp

                              Filesize

                              784KB

                            • memory/2024-270-0x0000000000360000-0x0000000000424000-memory.dmp

                              Filesize

                              784KB

                            • memory/2024-269-0x0000000000800000-0x000000000094A000-memory.dmp

                              Filesize

                              1.3MB

                            • memory/2024-268-0x0000000000360000-0x0000000000424000-memory.dmp

                              Filesize

                              784KB

                            • memory/2600-146-0x0000000005080000-0x0000000005081000-memory.dmp

                              Filesize

                              4KB

                            • memory/2600-145-0x0000000004E80000-0x0000000004E9E000-memory.dmp

                              Filesize

                              120KB

                            • memory/2600-147-0x0000000002970000-0x0000000002971000-memory.dmp

                              Filesize

                              4KB

                            • memory/2600-151-0x0000000005740000-0x0000000005C3E000-memory.dmp

                              Filesize

                              5.0MB

                            • memory/2600-142-0x0000000000630000-0x00000000006BA000-memory.dmp

                              Filesize

                              552KB

                            • memory/2600-141-0x0000000000630000-0x00000000006BA000-memory.dmp

                              Filesize

                              552KB

                            • memory/2600-144-0x0000000004EA0000-0x0000000004F16000-memory.dmp

                              Filesize

                              472KB

                            • memory/2748-121-0x0000000000680000-0x0000000000689000-memory.dmp

                              Filesize

                              36KB

                            • memory/2904-172-0x0000000000800000-0x0000000000801000-memory.dmp

                              Filesize

                              4KB

                            • memory/2904-168-0x00000000008F0000-0x0000000000905000-memory.dmp

                              Filesize

                              84KB

                            • memory/2904-170-0x0000000000800000-0x0000000000801000-memory.dmp

                              Filesize

                              4KB

                            • memory/2904-176-0x00000000008F0000-0x0000000000905000-memory.dmp

                              Filesize

                              84KB

                            • memory/3068-122-0x0000000001100000-0x0000000001116000-memory.dmp

                              Filesize

                              88KB

                            • memory/3068-159-0x0000000003080000-0x0000000003096000-memory.dmp

                              Filesize

                              88KB

                            • memory/3132-165-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/3132-185-0x0000000007500000-0x0000000007A2C000-memory.dmp

                              Filesize

                              5.2MB

                            • memory/3132-171-0x0000000005790000-0x0000000005D96000-memory.dmp

                              Filesize

                              6.0MB

                            • memory/3132-174-0x0000000005350000-0x000000000545A000-memory.dmp

                              Filesize

                              1.0MB

                            • memory/3132-175-0x0000000005280000-0x00000000052BE000-memory.dmp

                              Filesize

                              248KB

                            • memory/3132-181-0x00000000060B0000-0x0000000006126000-memory.dmp

                              Filesize

                              472KB

                            • memory/3132-182-0x00000000061D0000-0x0000000006262000-memory.dmp

                              Filesize

                              584KB

                            • memory/3132-183-0x0000000006170000-0x000000000618E000-memory.dmp

                              Filesize

                              120KB

                            • memory/3132-184-0x0000000006E00000-0x0000000006FC2000-memory.dmp

                              Filesize

                              1.8MB

                            • memory/3132-180-0x00000000055F0000-0x0000000005656000-memory.dmp

                              Filesize

                              408KB

                            • memory/3132-173-0x0000000005220000-0x0000000005232000-memory.dmp

                              Filesize

                              72KB

                            • memory/3132-179-0x00000000062A0000-0x000000000679E000-memory.dmp

                              Filesize

                              5.0MB

                            • memory/3132-164-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/3132-178-0x00000000052C0000-0x000000000530B000-memory.dmp

                              Filesize

                              300KB

                            • memory/3132-177-0x0000000005180000-0x0000000005786000-memory.dmp

                              Filesize

                              6.0MB

                            • memory/3132-160-0x0000000000400000-0x0000000000420000-memory.dmp

                              Filesize

                              128KB

                            • memory/3188-225-0x0000000000B30000-0x0000000000B3C000-memory.dmp

                              Filesize

                              48KB

                            • memory/3188-224-0x0000000000B40000-0x0000000000B47000-memory.dmp

                              Filesize

                              28KB

                            • memory/3248-119-0x0000000000400000-0x0000000000409000-memory.dmp

                              Filesize

                              36KB

                            • memory/3484-129-0x0000000000470000-0x0000000000479000-memory.dmp

                              Filesize

                              36KB

                            • memory/3484-131-0x0000000000400000-0x0000000000452000-memory.dmp

                              Filesize

                              328KB

                            • memory/3484-130-0x0000000000490000-0x0000000000499000-memory.dmp

                              Filesize

                              36KB

                            • memory/3760-254-0x0000000000400000-0x0000000002BC5000-memory.dmp

                              Filesize

                              39.8MB

                            • memory/3760-259-0x00000000031B0000-0x0000000003255000-memory.dmp

                              Filesize

                              660KB

                            • memory/3760-347-0x0000000000400000-0x0000000002BC5000-memory.dmp

                              Filesize

                              39.8MB

                            • memory/3760-286-0x0000000004CC0000-0x0000000004D52000-memory.dmp

                              Filesize

                              584KB

                            • memory/3760-262-0x0000000000400000-0x0000000002BC5000-memory.dmp

                              Filesize

                              39.8MB

                            • memory/3760-221-0x0000000000400000-0x0000000002BC5000-memory.dmp

                              Filesize

                              39.8MB

                            • memory/3760-285-0x0000000000400000-0x0000000002BC5000-memory.dmp

                              Filesize

                              39.8MB

                            • memory/3760-284-0x0000000004C00000-0x0000000004C68000-memory.dmp

                              Filesize

                              416KB

                            • memory/3760-240-0x0000000003056000-0x00000000030D7000-memory.dmp

                              Filesize

                              516KB

                            • memory/3760-215-0x0000000002DB0000-0x0000000002E50000-memory.dmp

                              Filesize

                              640KB

                            • memory/3760-216-0x0000000002E50000-0x0000000002F10000-memory.dmp

                              Filesize

                              768KB

                            • memory/3772-189-0x00000000025D0000-0x0000000002630000-memory.dmp

                              Filesize

                              384KB

                            • memory/3932-200-0x0000000073CE0000-0x0000000073EA2000-memory.dmp

                              Filesize

                              1.8MB

                            • memory/3932-211-0x0000000004D00000-0x0000000004D01000-memory.dmp

                              Filesize

                              4KB

                            • memory/3932-274-0x0000000004F30000-0x0000000004FA6000-memory.dmp

                              Filesize

                              472KB

                            • memory/3932-196-0x0000000001350000-0x00000000013D3000-memory.dmp

                              Filesize

                              524KB

                            • memory/3932-197-0x0000000001350000-0x00000000013D3000-memory.dmp

                              Filesize

                              524KB

                            • memory/3932-278-0x0000000005E30000-0x000000000632E000-memory.dmp

                              Filesize

                              5.0MB

                            • memory/3932-277-0x0000000004FB0000-0x0000000005042000-memory.dmp

                              Filesize

                              584KB

                            • memory/3932-279-0x00000000052D0000-0x00000000052EE000-memory.dmp

                              Filesize

                              120KB

                            • memory/3932-198-0x0000000000120000-0x0000000000121000-memory.dmp

                              Filesize

                              4KB

                            • memory/3932-199-0x0000000000C50000-0x0000000000C95000-memory.dmp

                              Filesize

                              276KB

                            • memory/3932-283-0x0000000005B40000-0x0000000005BA6000-memory.dmp

                              Filesize

                              408KB

                            • memory/3932-213-0x0000000071DC0000-0x0000000071E0B000-memory.dmp

                              Filesize

                              300KB

                            • memory/3932-201-0x0000000076930000-0x0000000076A21000-memory.dmp

                              Filesize

                              964KB

                            • memory/3932-205-0x0000000005320000-0x0000000005926000-memory.dmp

                              Filesize

                              6.0MB

                            • memory/3932-204-0x0000000073290000-0x0000000073310000-memory.dmp

                              Filesize

                              512KB

                            • memory/3932-206-0x0000000001290000-0x00000000012A2000-memory.dmp

                              Filesize

                              72KB

                            • memory/3932-212-0x0000000004C20000-0x0000000004C6B000-memory.dmp

                              Filesize

                              300KB

                            • memory/3932-203-0x0000000001350000-0x00000000013D3000-memory.dmp

                              Filesize

                              524KB

                            • memory/3932-207-0x0000000004E20000-0x0000000004F2A000-memory.dmp

                              Filesize

                              1.0MB

                            • memory/3932-208-0x00000000012F0000-0x000000000132E000-memory.dmp

                              Filesize

                              248KB

                            • memory/3932-209-0x0000000076A50000-0x0000000076FD4000-memory.dmp

                              Filesize

                              5.5MB

                            • memory/3932-202-0x0000000001350000-0x00000000013D3000-memory.dmp

                              Filesize

                              524KB

                            • memory/3932-210-0x0000000074D90000-0x00000000760D8000-memory.dmp

                              Filesize

                              19.3MB