Analysis

  • max time kernel
    4265100s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15/01/2022, 22:41

General

  • Target
    a170e40abd6f91d6a414bafea30a7d74.exe
  • Size 89KB
  • Sample220115-2l4f2sfdel
  • SHA256 955d960b2a9e82c9780d833bf76b16482f08bb82bbd3e3e4d18f2b8a00a0a2ce
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://habala.online/

  • https://habala.online/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 4 IoCs
  • 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 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a170e40abd6f91d6a414bafea30a7d74.exe
    "C:\Users\Admin\AppData\Local\Temp\a170e40abd6f91d6a414bafea30a7d74.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1708
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\chromedriver32.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2920
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\chromedriver32.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:708
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\a170e40abd6f91d6a414bafea30a7d74.exe" "C:\Users\Admin\AppData\Roaming\chromedriver32.exe"
      2⤵
        PID:1936
    • C:\Windows\system32\MusNotification.exe
      C:\Windows\system32\MusNotification.exe
      1⤵
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:3456
    • C:\Users\Admin\AppData\Local\Temp\5B37.exe
      C:\Users\Admin\AppData\Local\Temp\5B37.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2548
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\5B37.exe" "C:\Users\Admin\AppData\Roaming\nord02.exe"
        2⤵
          PID:1596
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\nord02.exe'" /f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\nord02.exe'" /f
            3⤵
            • Creates scheduled task(s)
            PID:3936
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:664
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          1⤵
            PID:2252
          • C:\Windows\explorer.exe
            C:\Windows\explorer.exe
            1⤵
              PID:1936
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:2740
              • C:\Users\Admin\AppData\Roaming\nord02.exe
                C:\Users\Admin\AppData\Roaming\nord02.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:3908
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                  2⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1356
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\nord02.exe'" /f
                  2⤵
                    PID:1212
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\nord02.exe'" /f
                      3⤵
                      • Creates scheduled task(s)
                      PID:544
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\nord02.exe" "C:\Users\Admin\AppData\Roaming\nord02.exe"
                    2⤵
                      PID:1960
                  • C:\Users\Admin\AppData\Roaming\nord02.exe
                    C:\Users\Admin\AppData\Roaming\nord02.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2148
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                      2⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2116
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\nord02.exe'" /f
                      2⤵
                        PID:336
                        • C:\Windows\SysWOW64\schtasks.exe
                          schtasks /create /sc minute /mo 1 /tn "Nania" /tr "'C:\Users\Admin\AppData\Roaming\nord02.exe'" /f
                          3⤵
                          • Creates scheduled task(s)
                          PID:3404
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd" /c copy "C:\Users\Admin\AppData\Roaming\nord02.exe" "C:\Users\Admin\AppData\Roaming\nord02.exe"
                        2⤵
                          PID:808

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            memory/664-155-0x0000000002E00000-0x0000000002E22000-memory.dmp

                            memory/664-156-0x0000000000780000-0x00000000007A7000-memory.dmp

                            memory/1116-152-0x0000000004D20000-0x0000000004D21000-memory.dmp

                            memory/1116-146-0x00000000004D0000-0x0000000000522000-memory.dmp

                            memory/1116-147-0x00000000004D0000-0x0000000000522000-memory.dmp

                            memory/1116-148-0x00000000052E0000-0x0000000005884000-memory.dmp

                            memory/1116-149-0x0000000004DD0000-0x0000000004E62000-memory.dmp

                            memory/1116-151-0x0000000004E70000-0x0000000004ED6000-memory.dmp

                            memory/1356-212-0x00000000097F0000-0x0000000009882000-memory.dmp

                            memory/1356-206-0x0000000008DA0000-0x0000000008EAA000-memory.dmp

                            memory/1356-198-0x00000000001B0000-0x00000000001B1000-memory.dmp

                            memory/1356-200-0x00000000001B0000-0x00000000001B1000-memory.dmp

                            memory/1356-201-0x0000000000560000-0x0000000000580000-memory.dmp

                            memory/1356-202-0x0000000000560000-0x0000000000580000-memory.dmp

                            memory/1356-203-0x00000000091D0000-0x00000000097E8000-memory.dmp

                            memory/1356-204-0x0000000008C70000-0x0000000008C82000-memory.dmp

                            memory/1356-207-0x0000000008CD0000-0x0000000008D0C000-memory.dmp

                            memory/1356-208-0x0000000008BB0000-0x00000000091C8000-memory.dmp

                            memory/1356-211-0x0000000009030000-0x00000000090A6000-memory.dmp

                            memory/1356-197-0x00000000001B0000-0x00000000001B1000-memory.dmp

                            memory/1356-213-0x0000000009E40000-0x000000000A3E4000-memory.dmp

                            memory/1356-214-0x0000000009160000-0x000000000917E000-memory.dmp

                            memory/1356-215-0x0000000009C20000-0x0000000009C86000-memory.dmp

                            memory/1356-216-0x000000000A8F0000-0x000000000AAB2000-memory.dmp

                            memory/1356-217-0x000000000AFF0000-0x000000000B51C000-memory.dmp

                            memory/1356-220-0x00000000001B0000-0x00000000001B1000-memory.dmp

                            memory/1356-218-0x000000000AAC0000-0x000000000AB10000-memory.dmp

                            memory/1708-135-0x0000000000400000-0x0000000000409000-memory.dmp

                            memory/1708-136-0x00000000049C0000-0x00000000049C1000-memory.dmp

                            memory/1708-137-0x00000000049C0000-0x00000000049C1000-memory.dmp

                            memory/1936-164-0x0000000000620000-0x0000000000627000-memory.dmp

                            memory/1936-166-0x0000000000610000-0x000000000061D000-memory.dmp

                            memory/2116-231-0x0000000000140000-0x0000000000141000-memory.dmp

                            memory/2116-252-0x0000000000140000-0x0000000000141000-memory.dmp

                            memory/2116-232-0x0000000000140000-0x0000000000141000-memory.dmp

                            memory/2116-235-0x0000000000140000-0x0000000000141000-memory.dmp

                            memory/2116-236-0x0000000000500000-0x0000000000520000-memory.dmp

                            memory/2116-237-0x0000000000500000-0x0000000000520000-memory.dmp

                            memory/2148-224-0x0000000000270000-0x00000000002C2000-memory.dmp

                            memory/2148-229-0x0000000004D70000-0x0000000004D71000-memory.dmp

                            memory/2148-227-0x0000000004D80000-0x0000000004DE6000-memory.dmp

                            memory/2148-226-0x0000000004C80000-0x0000000004D12000-memory.dmp

                            memory/2148-225-0x0000000005330000-0x00000000058D4000-memory.dmp

                            memory/2148-223-0x0000000000270000-0x00000000002C2000-memory.dmp

                            memory/2252-158-0x0000000002EF0000-0x0000000002EFB000-memory.dmp

                            memory/2252-157-0x0000000002F00000-0x0000000002F06000-memory.dmp

                            memory/2488-142-0x0000000002680000-0x0000000002696000-memory.dmp

                            memory/2548-160-0x0000000000400000-0x0000000000420000-memory.dmp

                            memory/2548-171-0x0000000009300000-0x0000000009918000-memory.dmp

                            memory/2548-161-0x0000000000410000-0x0000000000411000-memory.dmp

                            memory/2548-185-0x000000000AF50000-0x000000000B47C000-memory.dmp

                            memory/2548-184-0x000000000A850000-0x000000000AA12000-memory.dmp

                            memory/2548-183-0x0000000009CE0000-0x0000000009D46000-memory.dmp

                            memory/2548-182-0x0000000009260000-0x000000000927E000-memory.dmp

                            memory/2548-181-0x0000000009ED0000-0x000000000A474000-memory.dmp

                            memory/2548-180-0x00000000091C0000-0x0000000009252000-memory.dmp

                            memory/2548-169-0x00000000005C0000-0x00000000005E0000-memory.dmp

                            memory/2548-179-0x00000000090A0000-0x0000000009116000-memory.dmp

                            memory/2548-178-0x0000000008D40000-0x0000000008D7C000-memory.dmp

                            memory/2548-177-0x0000000008CE0000-0x00000000092F8000-memory.dmp

                            memory/2548-167-0x0000000000410000-0x0000000000411000-memory.dmp

                            memory/2548-163-0x0000000000410000-0x0000000000411000-memory.dmp

                            memory/2548-174-0x0000000008E10000-0x0000000008F1A000-memory.dmp

                            memory/2548-168-0x00000000005C0000-0x00000000005E0000-memory.dmp

                            memory/2548-172-0x0000000008CE0000-0x0000000008CF2000-memory.dmp

                            memory/2548-195-0x000000000A7D0000-0x000000000A820000-memory.dmp

                            memory/2548-210-0x0000000000410000-0x0000000000411000-memory.dmp

                            memory/2740-176-0x0000000000540000-0x000000000054B000-memory.dmp

                            memory/2740-175-0x0000000000550000-0x0000000000558000-memory.dmp

                            memory/3000-130-0x0000000000480000-0x000000000049C000-memory.dmp

                            memory/3000-138-0x0000000005510000-0x0000000005AB4000-memory.dmp

                            memory/3000-133-0x0000000004DE0000-0x0000000004E46000-memory.dmp

                            memory/3000-132-0x0000000004F50000-0x0000000004F51000-memory.dmp

                            memory/3000-131-0x0000000000480000-0x000000000049C000-memory.dmp

                            memory/3908-190-0x0000000005DF0000-0x0000000006394000-memory.dmp

                            memory/3908-191-0x0000000005840000-0x00000000058D2000-memory.dmp

                            memory/3908-192-0x00000000058E0000-0x0000000005946000-memory.dmp

                            memory/3908-189-0x0000000000F60000-0x0000000000FB2000-memory.dmp

                            memory/3908-194-0x0000000005830000-0x0000000005831000-memory.dmp

                            memory/3908-188-0x0000000000F60000-0x0000000000FB2000-memory.dmp