Analysis

  • max time kernel
    0s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 03:33

General

  • Target

    c061f6c696cde2214e0425839ae84f84.exe

  • Size

    2.6MB

  • MD5

    c061f6c696cde2214e0425839ae84f84

  • SHA1

    907c23a4e0aed6b887e0f7c8b16e1b4f82d1f340

  • SHA256

    d520edc59c5aee94806782d012efa7e0f905e90ce4e177f14cd612e7b8bb17ba

  • SHA512

    c0dc8dc9e5569d0db1ac6c9ac084599111f16b60cf39c230c791327304c5452df6036dbc9f0564c05a283ba369cefb87daad3714029caa4a021b94e6d88eabd6

  • SSDEEP

    49152:xcBxPkZVi7iKiF8cUvFyP2jckAjxt3htaPkvAesMMOZEwJ84vLRaBtIl9mT+Pep:xRri7ixZUvFyPScjVt4j/hCvLUBsKv

Malware Config

Extracted

Family

nullmixer

C2

http://razino.xyz/

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • NullMixer

    NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 3 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 11 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c061f6c696cde2214e0425839ae84f84.exe
    "C:\Users\Admin\AppData\Local\Temp\c061f6c696cde2214e0425839ae84f84.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zSC188E806\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2896
  • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_2.exe
    sahiba_2.exe
    1⤵
      PID:680
    • C:\Windows\SysWOW64\rundll32.exe
      rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
      1⤵
        PID:2512
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        1⤵
          PID:832
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 408
          1⤵
          • Program crash
          PID:2576
        • C:\Windows\system32\rUNdlL32.eXe
          rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
          1⤵
          • Process spawned unexpected child process
          PID:1908
        • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_1.exe
          "C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_1.exe" -a
          1⤵
            PID:2532
          • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_3.exe
            sahiba_3.exe
            1⤵
              PID:1292
            • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_6.exe
              sahiba_6.exe
              1⤵
                PID:1812
              • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_1.exe
                sahiba_1.exe
                1⤵
                  PID:2528
                • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_7.exe
                  sahiba_7.exe
                  1⤵
                    PID:2616
                  • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_5.exe
                    sahiba_5.exe
                    1⤵
                      PID:1568
                    • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\sahiba_4.exe
                      sahiba_4.exe
                      1⤵
                        PID:332
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c sahiba_7.exe
                        1⤵
                          PID:1056
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c sahiba_6.exe
                          1⤵
                            PID:1632
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c sahiba_5.exe
                            1⤵
                              PID:2592
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c sahiba_4.exe
                              1⤵
                                PID:2580
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c sahiba_3.exe
                                1⤵
                                  PID:2672
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c sahiba_2.exe
                                  1⤵
                                    PID:3060
                                  • C:\Windows\SysWOW64\cmd.exe
                                    C:\Windows\system32\cmd.exe /c sahiba_1.exe
                                    1⤵
                                      PID:2416
                                    • C:\Windows\system32\taskeng.exe
                                      taskeng.exe {7A22808D-3600-4194-B26D-87D15D140B27} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]
                                      1⤵
                                        PID:2868
                                        • C:\Users\Admin\AppData\Roaming\jujrbhw
                                          C:\Users\Admin\AppData\Roaming\jujrbhw
                                          2⤵
                                            PID:2208

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\libcurlpp.dll

                                          Filesize

                                          54KB

                                          MD5

                                          e6e578373c2e416289a8da55f1dc5e8e

                                          SHA1

                                          b601a229b66ec3d19c2369b36216c6f6eb1c063e

                                          SHA256

                                          43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

                                          SHA512

                                          9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

                                        • C:\Users\Admin\AppData\Local\Temp\7zSC188E806\setup_install.exe

                                          Filesize

                                          287KB

                                          MD5

                                          8e316ec3b4d715862e31529b7c155aee

                                          SHA1

                                          1e1e1268bb609d92b3e778cecbdae4e97c1b5bb2

                                          SHA256

                                          ef5fbfafa5b4b138302c45631c72e699dd8ab43d93a77a19ba5a7b155a55d794

                                          SHA512

                                          3e0085b92a3d2105a6f5c5618701daf0341b34f37c9ec37fc13d3093694494536c1af1e7e66e45a6a0edd7fd2d34b720fd16c1cf6a976aa3b6a4939b0f291acc

                                        • \Users\Admin\AppData\Local\Temp\7zSC188E806\libwinpthread-1.dll

                                          Filesize

                                          69KB

                                          MD5

                                          1e0d62c34ff2e649ebc5c372065732ee

                                          SHA1

                                          fcfaa36ba456159b26140a43e80fbd7e9d9af2de

                                          SHA256

                                          509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

                                          SHA512

                                          3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

                                        • memory/332-371-0x000000001A600000-0x000000001A680000-memory.dmp

                                          Filesize

                                          512KB

                                        • memory/332-114-0x0000000000120000-0x0000000000128000-memory.dmp

                                          Filesize

                                          32KB

                                        • memory/332-151-0x000000001A600000-0x000000001A680000-memory.dmp

                                          Filesize

                                          512KB

                                        • memory/332-147-0x000007FEF6070000-0x000007FEF6A5C000-memory.dmp

                                          Filesize

                                          9.9MB

                                        • memory/332-363-0x000007FEF6070000-0x000007FEF6A5C000-memory.dmp

                                          Filesize

                                          9.9MB

                                        • memory/680-149-0x0000000000260000-0x0000000000269000-memory.dmp

                                          Filesize

                                          36KB

                                        • memory/680-150-0x0000000000400000-0x000000000089C000-memory.dmp

                                          Filesize

                                          4.6MB

                                        • memory/680-225-0x0000000000400000-0x000000000089C000-memory.dmp

                                          Filesize

                                          4.6MB

                                        • memory/680-159-0x0000000000980000-0x0000000000A80000-memory.dmp

                                          Filesize

                                          1024KB

                                        • memory/832-154-0x0000000000420000-0x0000000000491000-memory.dmp

                                          Filesize

                                          452KB

                                        • memory/832-140-0x00000000000E0000-0x000000000012C000-memory.dmp

                                          Filesize

                                          304KB

                                        • memory/832-144-0x0000000000420000-0x0000000000491000-memory.dmp

                                          Filesize

                                          452KB

                                        • memory/880-157-0x0000000001340000-0x00000000013B1000-memory.dmp

                                          Filesize

                                          452KB

                                        • memory/880-373-0x0000000000C40000-0x0000000000C8C000-memory.dmp

                                          Filesize

                                          304KB

                                        • memory/880-155-0x0000000000C40000-0x0000000000C8C000-memory.dmp

                                          Filesize

                                          304KB

                                        • memory/880-138-0x0000000000C40000-0x0000000000C8C000-memory.dmp

                                          Filesize

                                          304KB

                                        • memory/880-136-0x0000000001340000-0x00000000013B1000-memory.dmp

                                          Filesize

                                          452KB

                                        • memory/880-134-0x0000000000C40000-0x0000000000C8C000-memory.dmp

                                          Filesize

                                          304KB

                                        • memory/1200-224-0x0000000002A50000-0x0000000002A65000-memory.dmp

                                          Filesize

                                          84KB

                                        • memory/1292-153-0x00000000002E0000-0x000000000037D000-memory.dmp

                                          Filesize

                                          628KB

                                        • memory/1292-275-0x0000000000400000-0x00000000008F8000-memory.dmp

                                          Filesize

                                          5.0MB

                                        • memory/1292-152-0x00000000009A0000-0x0000000000AA0000-memory.dmp

                                          Filesize

                                          1024KB

                                        • memory/1292-156-0x0000000000400000-0x00000000008F8000-memory.dmp

                                          Filesize

                                          5.0MB

                                        • memory/1292-372-0x00000000009A0000-0x0000000000AA0000-memory.dmp

                                          Filesize

                                          1024KB

                                        • memory/1568-139-0x00000000003A0000-0x00000000003A6000-memory.dmp

                                          Filesize

                                          24KB

                                        • memory/1568-135-0x0000000000380000-0x00000000003A4000-memory.dmp

                                          Filesize

                                          144KB

                                        • memory/1568-148-0x000007FEF6070000-0x000007FEF6A5C000-memory.dmp

                                          Filesize

                                          9.9MB

                                        • memory/1568-128-0x00000000001D0000-0x00000000001D6000-memory.dmp

                                          Filesize

                                          24KB

                                        • memory/1568-158-0x000000001AAB0000-0x000000001AB30000-memory.dmp

                                          Filesize

                                          512KB

                                        • memory/1568-117-0x00000000001E0000-0x0000000000210000-memory.dmp

                                          Filesize

                                          192KB

                                        • memory/1568-355-0x000007FEF6070000-0x000007FEF6A5C000-memory.dmp

                                          Filesize

                                          9.9MB

                                        • memory/2076-37-0x0000000002F70000-0x000000000308E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2076-39-0x0000000002F70000-0x000000000308E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2208-577-0x0000000000980000-0x0000000000A80000-memory.dmp

                                          Filesize

                                          1024KB

                                        • memory/2208-578-0x0000000000400000-0x000000000089C000-memory.dmp

                                          Filesize

                                          4.6MB

                                        • memory/2208-591-0x0000000000400000-0x000000000089C000-memory.dmp

                                          Filesize

                                          4.6MB

                                        • memory/2512-143-0x00000000003C0000-0x000000000041D000-memory.dmp

                                          Filesize

                                          372KB

                                        • memory/2512-141-0x00000000004A0000-0x00000000005A1000-memory.dmp

                                          Filesize

                                          1.0MB

                                        • memory/2896-49-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                          Filesize

                                          572KB

                                        • memory/2896-86-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-60-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                          Filesize

                                          572KB

                                        • memory/2896-58-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                          Filesize

                                          572KB

                                        • memory/2896-57-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                          Filesize

                                          572KB

                                        • memory/2896-56-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                          Filesize

                                          1.5MB

                                        • memory/2896-62-0x0000000064940000-0x0000000064959000-memory.dmp

                                          Filesize

                                          100KB

                                        • memory/2896-44-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-64-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                          Filesize

                                          1.5MB

                                        • memory/2896-45-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                          Filesize

                                          152KB

                                        • memory/2896-65-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                          Filesize

                                          572KB

                                        • memory/2896-66-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                          Filesize

                                          1.5MB

                                        • memory/2896-67-0x0000000000B50000-0x0000000000C6E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-71-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                          Filesize

                                          152KB

                                        • memory/2896-72-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                          Filesize

                                          152KB

                                        • memory/2896-61-0x0000000000B50000-0x0000000000C6E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-271-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                          Filesize

                                          152KB

                                        • memory/2896-73-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-274-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                          Filesize

                                          1.5MB

                                        • memory/2896-273-0x000000006EB40000-0x000000006EB63000-memory.dmp

                                          Filesize

                                          140KB

                                        • memory/2896-272-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                          Filesize

                                          572KB

                                        • memory/2896-270-0x0000000064940000-0x0000000064959000-memory.dmp

                                          Filesize

                                          100KB

                                        • memory/2896-269-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-74-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-69-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                          Filesize

                                          1.5MB

                                        • memory/2896-63-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                          Filesize

                                          1.5MB

                                        • memory/2896-75-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-59-0x0000000000B50000-0x0000000000C6E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-76-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-77-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB

                                        • memory/2896-78-0x0000000000400000-0x000000000051E000-memory.dmp

                                          Filesize

                                          1.1MB