Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    11/01/2022, 07:21

General

  • Target
    afa02a509ed430b5d45d263e049d7086.exe
  • Size 278KB
  • Sample220111-h6nrjsfchj
  • SHA256 cc8b5b862f0226edcb49850d2f620e7521a29a05e677bf46bbea1d65dc356f46
  • 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

Extracted

Family
  • vidar

Version
  • 49.6

Botnet
  • 565

C2
  • https://noc.social/@banda5ker

  • https://mastodon.social/@banda6ker

Attributes
  • profile_id

    565

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.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • 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

  • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

  • xmrig

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

  • Arkei Stealer Payload 1 IoCs
  • Vidar Stealer 2 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
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 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 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 11 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\afa02a509ed430b5d45d263e049d7086.exe
    "C:\Users\Admin\AppData\Local\Temp\afa02a509ed430b5d45d263e049d7086.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Users\Admin\AppData\Local\Temp\afa02a509ed430b5d45d263e049d7086.exe
      "C:\Users\Admin\AppData\Local\Temp\afa02a509ed430b5d45d263e049d7086.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3676
  • C:\Users\Admin\AppData\Local\Temp\2660.exe
    C:\Users\Admin\AppData\Local\Temp\2660.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1012
  • C:\Users\Admin\AppData\Local\Temp\2D66.exe
    C:\Users\Admin\AppData\Local\Temp\2D66.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3880
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2D66.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:1184
  • C:\Users\Admin\AppData\Local\Temp\315F.exe
    C:\Users\Admin\AppData\Local\Temp\315F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qgazdlnf\
      2⤵
        PID:1144
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\odjdyomb.exe" C:\Windows\SysWOW64\qgazdlnf\
        2⤵
          PID:1804
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create qgazdlnf binPath= "C:\Windows\SysWOW64\qgazdlnf\odjdyomb.exe /d\"C:\Users\Admin\AppData\Local\Temp\315F.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:320
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description qgazdlnf "wifi internet conection"
            2⤵
              PID:1864
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start qgazdlnf
              2⤵
                PID:2684
              • 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:3232
              • C:\Users\Admin\AppData\Local\Temp\3632.exe
                C:\Users\Admin\AppData\Local\Temp\3632.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1384
                • C:\Users\Admin\AppData\Local\Temp\3632.exe
                  C:\Users\Admin\AppData\Local\Temp\3632.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1432
              • C:\Windows\SysWOW64\qgazdlnf\odjdyomb.exe
                C:\Windows\SysWOW64\qgazdlnf\odjdyomb.exe /d"C:\Users\Admin\AppData\Local\Temp\315F.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1912
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:2740
                  • 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:1236
              • C:\Users\Admin\AppData\Local\Temp\5312.exe
                C:\Users\Admin\AppData\Local\Temp\5312.exe
                1⤵
                • Executes dropped EXE
                PID:1048
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 896
                  2⤵
                  • Suspicious use of NtCreateProcessExOtherParentProcess
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:696
              • C:\Users\Admin\AppData\Local\Temp\6478.exe
                C:\Users\Admin\AppData\Local\Temp\6478.exe
                1⤵
                • Executes dropped EXE
                PID:2716
              • C:\Users\Admin\AppData\Local\Temp\6CB6.exe
                C:\Users\Admin\AppData\Local\Temp\6CB6.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:3184
              • C:\Users\Admin\AppData\Local\Temp\887C.exe
                C:\Users\Admin\AppData\Local\Temp\887C.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of SetThreadContext
                PID:1720
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  2⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1084
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                • Accesses Microsoft Outlook profiles
                • outlook_office_path
                • outlook_win_path
                PID:3652
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:1244

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      memory/400-118-0x0000000002170000-0x0000000002179000-memory.dmp

                      memory/400-117-0x0000000000450000-0x000000000059A000-memory.dmp

                      memory/1012-126-0x00000000005B0000-0x00000000005B9000-memory.dmp

                      memory/1012-128-0x0000000000400000-0x0000000000452000-memory.dmp

                      memory/1012-127-0x00000000005C0000-0x00000000005C9000-memory.dmp

                      memory/1048-181-0x0000000004870000-0x0000000004901000-memory.dmp

                      memory/1048-182-0x0000000000400000-0x0000000002BC5000-memory.dmp

                      memory/1048-180-0x0000000002BD0000-0x0000000002C7E000-memory.dmp

                      memory/1084-262-0x0000000000410000-0x0000000000411000-memory.dmp

                      memory/1084-263-0x0000000000410000-0x0000000000411000-memory.dmp

                      memory/1084-273-0x0000000000410000-0x0000000000411000-memory.dmp

                      memory/1084-264-0x0000000000410000-0x0000000000411000-memory.dmp

                      memory/1084-256-0x00000000005C0000-0x00000000005E0000-memory.dmp

                      memory/1236-221-0x0000000002900000-0x00000000029F1000-memory.dmp

                      memory/1236-226-0x0000000002900000-0x00000000029F1000-memory.dmp

                      memory/1384-148-0x0000000005510000-0x0000000005511000-memory.dmp

                      memory/1384-152-0x0000000005B90000-0x000000000608E000-memory.dmp

                      memory/1384-144-0x0000000005370000-0x00000000053E6000-memory.dmp

                      memory/1384-147-0x0000000002DE0000-0x0000000002DFE000-memory.dmp

                      memory/1384-141-0x0000000000A80000-0x0000000000B0A000-memory.dmp

                      memory/1384-140-0x0000000000A80000-0x0000000000B0A000-memory.dmp

                      memory/1384-149-0x0000000002C50000-0x0000000002C51000-memory.dmp

                      memory/1432-171-0x0000000005B20000-0x0000000006126000-memory.dmp

                      memory/1432-192-0x00000000058F0000-0x0000000005966000-memory.dmp

                      memory/1432-199-0x00000000059B0000-0x00000000059CE000-memory.dmp

                      memory/1432-172-0x0000000003080000-0x0000000003092000-memory.dmp

                      memory/1432-173-0x0000000005620000-0x000000000572A000-memory.dmp

                      memory/1432-206-0x0000000006130000-0x0000000006196000-memory.dmp

                      memory/1432-195-0x0000000005A10000-0x0000000005AA2000-memory.dmp

                      memory/1432-217-0x0000000007000000-0x00000000071C2000-memory.dmp

                      memory/1432-177-0x0000000005550000-0x000000000558E000-memory.dmp

                      memory/1432-178-0x0000000005510000-0x0000000005B16000-memory.dmp

                      memory/1432-179-0x0000000005590000-0x00000000055DB000-memory.dmp

                      memory/1432-218-0x0000000007700000-0x0000000007C2C000-memory.dmp

                      memory/1432-190-0x0000000006630000-0x0000000006B2E000-memory.dmp

                      memory/1432-164-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/1432-169-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/1432-168-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/1720-238-0x0000000000E90000-0x0000000001945000-memory.dmp

                      memory/1720-237-0x0000000000D70000-0x0000000000D71000-memory.dmp

                      memory/1720-230-0x00000000001E0000-0x00000000001E1000-memory.dmp

                      memory/1720-231-0x00000000001F0000-0x00000000001F1000-memory.dmp

                      memory/1720-236-0x00000000005B0000-0x00000000005B1000-memory.dmp

                      memory/1720-232-0x0000000000570000-0x0000000000571000-memory.dmp

                      memory/1720-233-0x0000000000580000-0x0000000000581000-memory.dmp

                      memory/1720-239-0x00000000004F0000-0x000000000063A000-memory.dmp

                      memory/1720-234-0x0000000000590000-0x0000000000591000-memory.dmp

                      memory/1720-235-0x00000000005A0000-0x00000000005A1000-memory.dmp

                      memory/1912-159-0x0000000000400000-0x0000000000453000-memory.dmp

                      memory/1912-158-0x0000000000460000-0x00000000005AA000-memory.dmp

                      memory/1912-157-0x0000000000460000-0x00000000005AA000-memory.dmp

                      memory/2420-119-0x0000000000E60000-0x0000000000E76000-memory.dmp

                      memory/2420-153-0x0000000002D80000-0x0000000002D96000-memory.dmp

                      memory/2716-209-0x00000000021C0000-0x0000000002296000-memory.dmp

                      memory/2716-208-0x0000000000560000-0x00000000006AA000-memory.dmp

                      memory/2716-210-0x0000000000400000-0x00000000004D9000-memory.dmp

                      memory/2740-170-0x0000000003090000-0x00000000030A5000-memory.dmp

                      memory/2740-160-0x0000000003090000-0x00000000030A5000-memory.dmp

                      memory/2740-163-0x0000000002DA0000-0x0000000002DA1000-memory.dmp

                      memory/2740-162-0x0000000002DA0000-0x0000000002DA1000-memory.dmp

                      memory/3184-207-0x00000000746F0000-0x0000000075A38000-memory.dmp

                      memory/3184-248-0x00000000078F0000-0x0000000007E1C000-memory.dmp

                      memory/3184-193-0x0000000000560000-0x0000000000561000-memory.dmp

                      memory/3184-191-0x0000000000340000-0x000000000044A000-memory.dmp

                      memory/3184-196-0x00000000743C0000-0x00000000744B1000-memory.dmp

                      memory/3184-201-0x0000000005670000-0x0000000005C76000-memory.dmp

                      memory/3184-249-0x00000000071A0000-0x00000000071F0000-memory.dmp

                      memory/3184-194-0x0000000077160000-0x0000000077322000-memory.dmp

                      memory/3184-214-0x0000000071F90000-0x0000000071FDB000-memory.dmp

                      memory/3184-247-0x00000000071F0000-0x00000000073B2000-memory.dmp

                      memory/3184-213-0x0000000003000000-0x000000000304B000-memory.dmp

                      memory/3184-200-0x00000000736D0000-0x0000000073750000-memory.dmp

                      memory/3184-212-0x00000000026C0000-0x00000000026C1000-memory.dmp

                      memory/3184-246-0x00000000068C0000-0x0000000006926000-memory.dmp

                      memory/3184-211-0x00000000025C0000-0x0000000002605000-memory.dmp

                      memory/3184-205-0x00000000762C0000-0x0000000076844000-memory.dmp

                      memory/3184-197-0x0000000000340000-0x000000000044A000-memory.dmp

                      memory/3184-198-0x0000000000340000-0x000000000044A000-memory.dmp

                      memory/3184-204-0x0000000002FC0000-0x0000000002FFE000-memory.dmp

                      memory/3184-203-0x0000000005170000-0x000000000527A000-memory.dmp

                      memory/3184-202-0x0000000002690000-0x00000000026A2000-memory.dmp

                      memory/3184-242-0x0000000006360000-0x00000000063D6000-memory.dmp

                      memory/3184-243-0x0000000006480000-0x0000000006512000-memory.dmp

                      memory/3184-244-0x0000000006A20000-0x0000000006F1E000-memory.dmp

                      memory/3184-245-0x0000000006640000-0x000000000665E000-memory.dmp

                      memory/3652-252-0x0000000002920000-0x0000000002994000-memory.dmp

                      memory/3676-115-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/3880-134-0x0000000000400000-0x0000000000457000-memory.dmp

                      memory/3880-133-0x0000000000560000-0x00000000006AA000-memory.dmp

                      memory/3880-132-0x0000000000560000-0x00000000006AA000-memory.dmp

                      memory/4072-138-0x0000000000580000-0x000000000058D000-memory.dmp

                      memory/4072-139-0x00000000005B0000-0x00000000006FA000-memory.dmp

                      memory/4072-142-0x0000000000400000-0x0000000000453000-memory.dmp