Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11/01/2022, 07:21

General

  • Target
    17460981bc0d0c9ad3a2df30c2708db9.exe
  • Size 277KB
  • Sample220111-h6nrjsfcgr
  • SHA256 9e83f940510fa184817de7861ccaff15e6a8bbf31b4dcebd0e8ece74c3595acc
  • MD5 SHA1 SHA512

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
  • 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
  • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • xmrig

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

  • Arkei Stealer Payload 2 IoCs
  • XMRig Miner Payload 1 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 9 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 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.

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe
    "C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe
      "C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1044
  • C:\Users\Admin\AppData\Local\Temp\6D92.exe
    C:\Users\Admin\AppData\Local\Temp\6D92.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1496
  • C:\Users\Admin\AppData\Local\Temp\76CA.exe
    C:\Users\Admin\AppData\Local\Temp\76CA.exe
    1⤵
    • Executes dropped EXE
    PID:1676
  • C:\Users\Admin\AppData\Local\Temp\854C.exe
    C:\Users\Admin\AppData\Local\Temp\854C.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:820
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eqazihbc\
      2⤵
        PID:1992
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rgmgbrpe.exe" C:\Windows\SysWOW64\eqazihbc\
        2⤵
          PID:1760
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create eqazihbc binPath= "C:\Windows\SysWOW64\eqazihbc\rgmgbrpe.exe /d\"C:\Users\Admin\AppData\Local\Temp\854C.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1996
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description eqazihbc "wifi internet conection"
            2⤵
              PID:1584
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start eqazihbc
              2⤵
                PID:652
              • 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:860
              • C:\Users\Admin\AppData\Local\Temp\9296.exe
                C:\Users\Admin\AppData\Local\Temp\9296.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1908
                • C:\Users\Admin\AppData\Local\Temp\9296.exe
                  C:\Users\Admin\AppData\Local\Temp\9296.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1808
              • C:\Users\Admin\AppData\Local\Temp\C395.exe
                C:\Users\Admin\AppData\Local\Temp\C395.exe
                1⤵
                • Executes dropped EXE
                PID:1552
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 424
                  2⤵
                  • Loads dropped DLL
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1680
              • C:\Users\Admin\AppData\Local\Temp\1321.exe
                C:\Users\Admin\AppData\Local\Temp\1321.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:328
              • C:\Windows\SysWOW64\eqazihbc\rgmgbrpe.exe
                C:\Windows\SysWOW64\eqazihbc\rgmgbrpe.exe /d"C:\Users\Admin\AppData\Local\Temp\854C.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:968
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:1496
                  • 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:1108
              • C:\Users\Admin\AppData\Local\Temp\2B62.exe
                C:\Users\Admin\AppData\Local\Temp\2B62.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                PID:1920
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  2⤵
                    PID:1696
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                  • Accesses Microsoft Outlook profiles
                  • outlook_office_path
                  • outlook_win_path
                  PID:556
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1160

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        memory/328-122-0x00000000010D0000-0x00000000011DA000-memory.dmp

                        memory/328-106-0x0000000077880000-0x00000000778C7000-memory.dmp

                        memory/328-193-0x0000000075FE0000-0x0000000075FF9000-memory.dmp

                        memory/328-192-0x0000000074AB0000-0x0000000074ABD000-memory.dmp

                        memory/328-191-0x0000000071C80000-0x0000000071CD2000-memory.dmp

                        memory/328-115-0x0000000075840000-0x000000007599C000-memory.dmp

                        memory/328-121-0x00000000010D0000-0x00000000011DA000-memory.dmp

                        memory/328-190-0x0000000074960000-0x0000000074975000-memory.dmp

                        memory/328-189-0x00000000744A0000-0x00000000744BC000-memory.dmp

                        memory/328-123-0x0000000075F40000-0x0000000075FCF000-memory.dmp

                        memory/328-127-0x0000000074C90000-0x0000000074D10000-memory.dmp

                        memory/328-161-0x0000000004E10000-0x0000000004E11000-memory.dmp

                        memory/328-108-0x0000000075CC0000-0x0000000075D17000-memory.dmp

                        memory/328-104-0x0000000075B00000-0x0000000075BAC000-memory.dmp

                        memory/328-182-0x0000000076C50000-0x0000000076C85000-memory.dmp

                        memory/328-181-0x0000000074930000-0x0000000074947000-memory.dmp

                        memory/328-100-0x00000000001A0000-0x00000000001E5000-memory.dmp

                        memory/328-98-0x0000000075580000-0x00000000755CA000-memory.dmp

                        memory/328-163-0x0000000076000000-0x0000000076C4A000-memory.dmp

                        memory/328-102-0x00000000001F0000-0x00000000001F1000-memory.dmp

                        memory/328-101-0x00000000010D0000-0x00000000011DA000-memory.dmp

                        memory/556-185-0x0000000071B71000-0x0000000071B73000-memory.dmp

                        memory/556-186-0x0000000000200000-0x0000000000274000-memory.dmp

                        memory/556-187-0x00000000000F0000-0x000000000015B000-memory.dmp

                        memory/820-92-0x0000000000400000-0x0000000000453000-memory.dmp

                        memory/820-85-0x00000000003C0000-0x00000000003D3000-memory.dmp

                        memory/820-84-0x00000000003B0000-0x00000000003BD000-memory.dmp

                        memory/968-180-0x0000000000400000-0x0000000000453000-memory.dmp

                        memory/1044-54-0x0000000000400000-0x0000000000409000-memory.dmp

                        memory/1044-56-0x0000000076001000-0x0000000076003000-memory.dmp

                        memory/1160-200-0x0000000000070000-0x0000000000077000-memory.dmp

                        memory/1160-201-0x0000000000060000-0x000000000006C000-memory.dmp

                        memory/1248-83-0x0000000004B40000-0x0000000004B56000-memory.dmp

                        memory/1248-59-0x0000000002D70000-0x0000000002D86000-memory.dmp

                        memory/1496-77-0x0000000000220000-0x0000000000229000-memory.dmp

                        memory/1496-177-0x0000000000080000-0x0000000000095000-memory.dmp

                        memory/1496-176-0x0000000000080000-0x0000000000095000-memory.dmp

                        memory/1496-79-0x0000000000400000-0x0000000000452000-memory.dmp

                        memory/1496-78-0x0000000000230000-0x0000000000239000-memory.dmp

                        memory/1552-158-0x0000000000360000-0x00000000003F1000-memory.dmp

                        memory/1552-156-0x0000000000220000-0x000000000026F000-memory.dmp

                        memory/1552-162-0x0000000000400000-0x0000000002BC5000-memory.dmp

                        memory/1596-57-0x0000000000220000-0x0000000000228000-memory.dmp

                        memory/1596-58-0x0000000000230000-0x0000000000239000-memory.dmp

                        memory/1676-75-0x0000000000400000-0x0000000000457000-memory.dmp

                        memory/1676-74-0x0000000000250000-0x000000000026C000-memory.dmp

                        memory/1676-73-0x0000000000230000-0x0000000000241000-memory.dmp

                        memory/1680-174-0x0000000000250000-0x00000000002B0000-memory.dmp

                        memory/1808-113-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1808-112-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1808-109-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1808-110-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1808-160-0x00000000021F0000-0x00000000021F1000-memory.dmp

                        memory/1808-118-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1808-119-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1808-107-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1908-80-0x0000000001F60000-0x0000000001F61000-memory.dmp

                        memory/1908-81-0x00000000002D0000-0x00000000002D1000-memory.dmp

                        memory/1908-69-0x0000000000A80000-0x0000000000B0A000-memory.dmp

                        memory/1908-70-0x0000000000A80000-0x0000000000B0A000-memory.dmp

                        memory/1920-151-0x00000000001B0000-0x00000000001B1000-memory.dmp

                        memory/1920-129-0x0000000000140000-0x0000000000141000-memory.dmp

                        memory/1920-130-0x0000000000140000-0x0000000000141000-memory.dmp

                        memory/1920-131-0x0000000000150000-0x0000000000151000-memory.dmp

                        memory/1920-132-0x0000000000150000-0x0000000000151000-memory.dmp

                        memory/1920-154-0x00000000001A0000-0x00000000001A1000-memory.dmp

                        memory/1920-153-0x00000000001F0000-0x0000000000CA5000-memory.dmp

                        memory/1920-152-0x00000000001B0000-0x00000000001B1000-memory.dmp

                        memory/1920-133-0x0000000000150000-0x0000000000151000-memory.dmp

                        memory/1920-150-0x00000000001B0000-0x00000000001B1000-memory.dmp

                        memory/1920-135-0x0000000000160000-0x0000000000161000-memory.dmp

                        memory/1920-148-0x00000000001A0000-0x00000000001A1000-memory.dmp

                        memory/1920-147-0x00000000001A0000-0x00000000001A1000-memory.dmp

                        memory/1920-136-0x0000000000160000-0x0000000000161000-memory.dmp

                        memory/1920-146-0x0000000000190000-0x0000000000191000-memory.dmp

                        memory/1920-128-0x0000000000140000-0x0000000000141000-memory.dmp

                        memory/1920-145-0x0000000000190000-0x0000000000191000-memory.dmp

                        memory/1920-143-0x0000000000180000-0x0000000000181000-memory.dmp

                        memory/1920-141-0x0000000000180000-0x0000000000181000-memory.dmp

                        memory/1920-139-0x0000000000170000-0x0000000000171000-memory.dmp

                        memory/1920-138-0x0000000000170000-0x0000000000171000-memory.dmp