Analysis

  • max time kernel
    151s
  • max time network
    175s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19/08/2021, 07:01

General

  • Target
    2130f1150d0cd8a07241e24d5ffa4287.exe
  • Size 275KB
  • Sample210819-8w15wljf9e
  • SHA256 11d175a08e1f4fc351af4e4c2c0549168d4c235a497f3bc1f278e8cb46b972e1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://readinglistforaugust1.xyz/

  • http://readinglistforaugust2.xyz/

  • http://readinglistforaugust3.xyz/

  • http://readinglistforaugust4.xyz/

  • http://readinglistforaugust5.xyz/

  • http://readinglistforaugust6.xyz/

  • http://readinglistforaugust7.xyz/

  • http://readinglistforaugust8.xyz/

  • http://readinglistforaugust9.xyz/

  • http://readinglistforaugust10.xyz/

  • http://readinglistforaugust1.site/

  • http://readinglistforaugust2.site/

  • http://readinglistforaugust3.site/

  • http://readinglistforaugust4.site/

  • http://readinglistforaugust5.site/

  • http://readinglistforaugust6.site/

  • http://readinglistforaugust7.site/

  • http://readinglistforaugust8.site/

  • http://readinglistforaugust9.site/

  • http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family
  • raccoon

Botnet
  • b1a595eac9265caef93f4d54354e4e71594872f2

Attributes
  • url4cnc

    https://telete.in/hobaoparunjohnyrun2

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Botnet
  • fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • #MIX 19.08

C2
  • gophamanapr.site:80

Extracted

Family
  • redline

Botnet
  • qq

C2
  • 95.179.166.29:60101

Signatures

  • 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 7 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

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

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 14 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 23 IoCs
  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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 3 IoCs

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

  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe
    "C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe
      "C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2044
  • C:\Users\Admin\AppData\Local\Temp\2F98.exe
    C:\Users\Admin\AppData\Local\Temp\2F98.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1656
  • C:\Users\Admin\AppData\Local\Temp\3313.exe
    C:\Users\Admin\AppData\Local\Temp\3313.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:772
  • C:\Users\Admin\AppData\Local\Temp\35F1.exe
    C:\Users\Admin\AppData\Local\Temp\35F1.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\35F1.exe
      C:\Users\Admin\AppData\Local\Temp\35F1.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      PID:676
      • C:\Users\Admin\AppData\Local\Temp\N48UpLykiU.exe
        "C:\Users\Admin\AppData\Local\Temp\N48UpLykiU.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        PID:2128
        • C:\Users\Admin\AppData\Local\Temp\N48UpLykiU.exe
          C:\Users\Admin\AppData\Local\Temp\N48UpLykiU.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2252
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\35F1.exe"
        3⤵
          PID:2148
          • C:\Windows\SysWOW64\timeout.exe
            timeout /T 10 /NOBREAK
            4⤵
            • Delays execution with timeout.exe
            PID:2228
    • C:\Users\Admin\AppData\Local\Temp\3C58.exe
      C:\Users\Admin\AppData\Local\Temp\3C58.exe
      1⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:548
    • C:\Users\Admin\AppData\Local\Temp\3F74.exe
      C:\Users\Admin\AppData\Local\Temp\3F74.exe
      1⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:1388
    • C:\Users\Admin\AppData\Local\Temp\41E5.exe
      C:\Users\Admin\AppData\Local\Temp\41E5.exe
      1⤵
      • Executes dropped EXE
      PID:1592
    • C:\Users\Admin\AppData\Local\Temp\4485.exe
      C:\Users\Admin\AppData\Local\Temp\4485.exe
      1⤵
      • Executes dropped EXE
      PID:936
    • C:\Users\Admin\AppData\Local\Temp\46D7.exe
      C:\Users\Admin\AppData\Local\Temp\46D7.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      PID:1524
      • C:\ProgramData\file.exe
        "C:\ProgramData\file.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Modifies system certificate store
        • Suspicious use of AdjustPrivilegeToken
        PID:2512
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe" -start
          3⤵
          • Executes dropped EXE
          • Modifies system certificate store
          PID:2700
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          3⤵
            PID:2724
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\46D7.exe" & exit
          2⤵
            PID:2552
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 5
              3⤵
              • Delays execution with timeout.exe
              PID:2588
        • C:\Users\Admin\AppData\Local\Temp\4A70.exe
          C:\Users\Admin\AppData\Local\Temp\4A70.exe
          1⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1056
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          1⤵
            PID:1596
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe
            1⤵
              PID:1904
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:1276
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:1536
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                    PID:1188
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:1340
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:1804
                      • C:\Windows\explorer.exe
                        C:\Windows\explorer.exe
                        1⤵
                          PID:2052
                        • C:\Windows\SysWOW64\explorer.exe
                          C:\Windows\SysWOW64\explorer.exe
                          1⤵
                            PID:2064

                          Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                memory/548-95-0x0000000005360000-0x0000000005361000-memory.dmp

                                memory/548-86-0x0000000000C60000-0x0000000000C61000-memory.dmp

                                memory/676-98-0x0000000000400000-0x0000000000492000-memory.dmp

                                memory/676-108-0x0000000000400000-0x0000000000492000-memory.dmp

                                memory/772-81-0x00000000009D0000-0x00000000009D1000-memory.dmp

                                memory/772-74-0x0000000000140000-0x0000000000141000-memory.dmp

                                memory/936-104-0x0000000000190000-0x0000000000191000-memory.dmp

                                memory/936-137-0x0000000004DB0000-0x0000000004E4F000-memory.dmp

                                memory/936-109-0x0000000000510000-0x0000000000511000-memory.dmp

                                memory/936-140-0x00000000004A0000-0x00000000004B1000-memory.dmp

                                memory/1056-120-0x0000000000400000-0x0000000002CCD000-memory.dmp

                                memory/1056-130-0x0000000004A13000-0x0000000004A14000-memory.dmp

                                memory/1056-129-0x0000000004A12000-0x0000000004A13000-memory.dmp

                                memory/1056-128-0x0000000004A11000-0x0000000004A12000-memory.dmp

                                memory/1056-121-0x0000000000230000-0x000000000025F000-memory.dmp

                                memory/1056-133-0x0000000004A14000-0x0000000004A16000-memory.dmp

                                memory/1056-125-0x0000000000300000-0x000000000031C000-memory.dmp

                                memory/1056-127-0x00000000030D0000-0x00000000030EA000-memory.dmp

                                memory/1188-154-0x0000000000090000-0x0000000000095000-memory.dmp

                                memory/1188-155-0x0000000000080000-0x0000000000089000-memory.dmp

                                memory/1256-64-0x0000000002210000-0x0000000002226000-memory.dmp

                                memory/1276-136-0x000000006E9E1000-0x000000006E9E3000-memory.dmp

                                memory/1276-139-0x0000000000080000-0x000000000008B000-memory.dmp

                                memory/1276-138-0x0000000000090000-0x0000000000097000-memory.dmp

                                memory/1340-156-0x0000000000070000-0x0000000000076000-memory.dmp

                                memory/1340-157-0x0000000000060000-0x000000000006C000-memory.dmp

                                memory/1388-92-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

                                memory/1388-96-0x0000000002E00000-0x0000000002E01000-memory.dmp

                                memory/1476-80-0x0000000000590000-0x0000000000591000-memory.dmp

                                memory/1476-77-0x0000000000F00000-0x0000000000F01000-memory.dmp

                                memory/1524-119-0x0000000000400000-0x0000000002CB9000-memory.dmp

                                memory/1524-112-0x0000000000220000-0x0000000000239000-memory.dmp

                                memory/1536-148-0x0000000000070000-0x0000000000079000-memory.dmp

                                memory/1536-149-0x0000000000060000-0x000000000006F000-memory.dmp

                                memory/1592-118-0x0000000000400000-0x00000000023EE000-memory.dmp

                                memory/1592-111-0x00000000002A0000-0x000000000032F000-memory.dmp

                                memory/1596-123-0x00000000000D0000-0x000000000013B000-memory.dmp

                                memory/1596-122-0x0000000000420000-0x0000000000494000-memory.dmp

                                memory/1596-117-0x000000006EA61000-0x000000006EA63000-memory.dmp

                                memory/1804-161-0x0000000000090000-0x0000000000094000-memory.dmp

                                memory/1804-162-0x0000000000080000-0x0000000000089000-memory.dmp

                                memory/1904-132-0x00000000000E0000-0x00000000000EC000-memory.dmp

                                memory/1904-131-0x00000000000F0000-0x00000000000F7000-memory.dmp

                                memory/2008-63-0x0000000000020000-0x000000000002A000-memory.dmp

                                memory/2044-60-0x0000000000400000-0x0000000000409000-memory.dmp

                                memory/2044-62-0x00000000765F1000-0x00000000765F3000-memory.dmp

                                memory/2052-165-0x0000000000070000-0x0000000000075000-memory.dmp

                                memory/2052-166-0x0000000000060000-0x0000000000069000-memory.dmp

                                memory/2064-174-0x00000000000D0000-0x00000000000D5000-memory.dmp

                                memory/2064-178-0x0000000000080000-0x0000000000089000-memory.dmp

                                memory/2128-181-0x00000000010C0000-0x00000000010C1000-memory.dmp

                                memory/2128-176-0x0000000001100000-0x0000000001101000-memory.dmp

                                memory/2252-189-0x0000000004720000-0x0000000004721000-memory.dmp

                                memory/2252-185-0x0000000000400000-0x000000000041E000-memory.dmp

                                memory/2252-182-0x0000000000400000-0x000000000041E000-memory.dmp

                                memory/2512-204-0x0000000000230000-0x0000000000267000-memory.dmp

                                memory/2512-205-0x0000000000400000-0x0000000002CCB000-memory.dmp

                                memory/2700-216-0x0000000000400000-0x0000000002CCB000-memory.dmp

                                memory/2724-215-0x00000000000A0000-0x00000000000A1000-memory.dmp