Analysis

  • max time kernel
    150s
  • max time network
    178s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05/08/2021, 15:12

General

  • Target
    0dc17a7930543d9bd7efde343ba4a5a7.exe
  • Size 202KB
  • Sample210805-61e6d1vb9e
  • SHA256 46913d3c837854eaf6e793c2b7cfc401ea00e3defba2bdab2f3b8982598e9903
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://readinglistforjuly1.xyz/

  • http://readinglistforjuly2.xyz/

  • http://readinglistforjuly3.xyz/

  • http://readinglistforjuly4.xyz/

  • http://readinglistforjuly5.xyz/

  • http://readinglistforjuly6.xyz/

  • http://readinglistforjuly7.xyz/

  • http://readinglistforjuly8.xyz/

  • http://readinglistforjuly9.xyz/

  • http://readinglistforjuly10.xyz/

  • http://readinglistforjuly1.site/

  • http://readinglistforjuly2.site/

  • http://readinglistforjuly3.site/

  • http://readinglistforjuly4.site/

  • http://readinglistforjuly5.site/

  • http://readinglistforjuly6.site/

  • http://readinglistforjuly7.site/

  • http://readinglistforjuly8.site/

  • http://readinglistforjuly9.site/

  • http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family
  • raccoon

Botnet
  • cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Extracted

Family
  • redline

C2
  • 95.217.140.34:18653

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon Stealer Payload 4 IoCs
  • RedLine

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

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 12 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 11 IoCs
  • 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 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 4 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\0dc17a7930543d9bd7efde343ba4a5a7.exe
    "C:\Users\Admin\AppData\Local\Temp\0dc17a7930543d9bd7efde343ba4a5a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\0dc17a7930543d9bd7efde343ba4a5a7.exe
      "C:\Users\Admin\AppData\Local\Temp\0dc17a7930543d9bd7efde343ba4a5a7.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1928
  • C:\Users\Admin\AppData\Local\Temp\19F6.exe
    C:\Users\Admin\AppData\Local\Temp\19F6.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Windows\SysWOW64\dllhost.exe
      "C:\Windows\System32\dllhost.exe"
      2⤵
        PID:1028
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c cmd < Perisce.jar
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1648
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^RjxbYtQhXRvMStXsrWjZzMEutIshVobYBYKPlbziZPusCiQZrGYjUBLtHgafMCaOxblTxouFDtZDGjDXRslgl$" Presto.jar
            4⤵
              PID:672
            • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Preme.exe.com
              Preme.exe.com r
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:856
              • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Preme.exe.com
                C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Preme.exe.com r
                5⤵
                • Executes dropped EXE
                • Drops startup file
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                PID:1276
                • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\RegAsm.exe
                  C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\RegAsm.exe
                  6⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1652
            • C:\Windows\SysWOW64\PING.EXE
              ping localhost -n 30
              4⤵
              • Runs ping.exe
              PID:328
      • C:\Users\Admin\AppData\Local\Temp\1AE1.exe
        C:\Users\Admin\AppData\Local\Temp\1AE1.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:580
      • C:\Users\Admin\AppData\Local\Temp\76F6.exe
        C:\Users\Admin\AppData\Local\Temp\76F6.exe
        1⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        PID:1392
      • C:\Users\Admin\AppData\Local\Temp\7C44.exe
        C:\Users\Admin\AppData\Local\Temp\7C44.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies system certificate store
        PID:1724
      • C:\Users\Admin\AppData\Local\Temp\8116.exe
        C:\Users\Admin\AppData\Local\Temp\8116.exe
        1⤵
        • Executes dropped EXE
        PID:552
      • C:\Users\Admin\AppData\Local\Temp\8922.exe
        C:\Users\Admin\AppData\Local\Temp\8922.exe
        1⤵
        • Executes dropped EXE
        PID:836
      • C:\Users\Admin\AppData\Local\Temp\9276.exe
        C:\Users\Admin\AppData\Local\Temp\9276.exe
        1⤵
        • Executes dropped EXE
        PID:1252
        • C:\Users\Admin\AppData\Roaming\lJEUoEwIAuab.exe
          "C:\Users\Admin\AppData\Roaming\lJEUoEwIAuab.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:360
      • C:\Users\Admin\AppData\Local\Temp\97D4.exe
        C:\Users\Admin\AppData\Local\Temp\97D4.exe
        1⤵
        • Executes dropped EXE
        PID:1492
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:960
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1068
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1900
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1784
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1444
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1100
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1512
                    • C:\Windows\explorer.exe
                      C:\Windows\explorer.exe
                      1⤵
                        PID:1316
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:636

                        Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              memory/360-122-0x0000000001370000-0x0000000001371000-memory.dmp

                              memory/360-134-0x0000000000A10000-0x0000000000A11000-memory.dmp

                              memory/552-110-0x0000000000400000-0x0000000002CB4000-memory.dmp

                              memory/636-184-0x00000000000D0000-0x00000000000D5000-memory.dmp

                              memory/636-185-0x0000000000080000-0x0000000000089000-memory.dmp

                              memory/836-143-0x0000000000400000-0x0000000002CB4000-memory.dmp

                              memory/960-142-0x000000006CCA1000-0x000000006CCA3000-memory.dmp

                              memory/960-146-0x00000000000C0000-0x000000000012B000-memory.dmp

                              memory/960-145-0x00000000001D0000-0x0000000000244000-memory.dmp

                              memory/1068-155-0x0000000000060000-0x000000000006C000-memory.dmp

                              memory/1068-154-0x0000000000070000-0x0000000000077000-memory.dmp

                              memory/1100-171-0x0000000000060000-0x000000000006C000-memory.dmp

                              memory/1100-170-0x0000000000070000-0x0000000000076000-memory.dmp

                              memory/1252-118-0x000000001AFC0000-0x000000001AFC2000-memory.dmp

                              memory/1252-115-0x0000000000050000-0x0000000000051000-memory.dmp

                              memory/1260-64-0x0000000002AC0000-0x0000000002AD6000-memory.dmp

                              memory/1276-117-0x0000000000160000-0x0000000000161000-memory.dmp

                              memory/1276-135-0x0000000000180000-0x0000000000182000-memory.dmp

                              memory/1316-180-0x0000000000060000-0x0000000000069000-memory.dmp

                              memory/1316-179-0x0000000000070000-0x0000000000075000-memory.dmp

                              memory/1392-97-0x0000000000030000-0x0000000000031000-memory.dmp

                              memory/1392-101-0x0000000001120000-0x0000000001121000-memory.dmp

                              memory/1444-168-0x00000000000C0000-0x00000000000C9000-memory.dmp

                              memory/1444-167-0x00000000000D0000-0x00000000000D5000-memory.dmp

                              memory/1492-133-0x0000000000F10000-0x0000000000F11000-memory.dmp

                              memory/1512-176-0x0000000000090000-0x0000000000094000-memory.dmp

                              memory/1512-177-0x0000000000080000-0x0000000000089000-memory.dmp

                              memory/1652-138-0x0000000000400000-0x000000000040A000-memory.dmp

                              memory/1652-175-0x0000000002625000-0x0000000002636000-memory.dmp

                              memory/1652-144-0x0000000002620000-0x0000000002621000-memory.dmp

                              memory/1724-107-0x0000000000400000-0x0000000002CB4000-memory.dmp

                              memory/1724-105-0x0000000002D40000-0x0000000002DD1000-memory.dmp

                              memory/1724-63-0x00000000002A0000-0x00000000002AA000-memory.dmp

                              memory/1784-163-0x0000000000060000-0x000000000006F000-memory.dmp

                              memory/1784-162-0x0000000000070000-0x0000000000079000-memory.dmp

                              memory/1900-159-0x0000000000090000-0x0000000000097000-memory.dmp

                              memory/1900-158-0x0000000073231000-0x0000000073233000-memory.dmp

                              memory/1900-160-0x0000000000080000-0x000000000008B000-memory.dmp

                              memory/1928-62-0x0000000075161000-0x0000000075163000-memory.dmp

                              memory/1928-60-0x0000000000400000-0x0000000000409000-memory.dmp