Analysis

  • max time kernel
    185s
  • max time network
    187s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2024 16:55

General

  • Target

    3e83abe805ea3cd0852235f3365e1cf9.exe

  • Size

    3.3MB

  • MD5

    3e83abe805ea3cd0852235f3365e1cf9

  • SHA1

    6bfb7ee7cb01ed2e9e50658193847954900f26a5

  • SHA256

    079e8468f9e6f11a839e931ab04d45036acb2574aa37a4f749d6db98a61509cc

  • SHA512

    99746e551e3cb48601ec6875d1e7a33872391edc71b50777e0856cfeefa3e7bc3ab10082e06e300de27a78074ab89191427de881984f1b7c63d1a8d040472a2a

  • SSDEEP

    49152:xcBfxD1zheQnY4So8DiYJnmlJxqqWkDpyZvVivHtlJp/k3EwJ84vLRaBtIl9mT0C:xQ18QgiBlJxzW3ZWtlPcUCvLUBsKS2

Malware Config

Extracted

Family

nullmixer

C2

http://razino.xyz/

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • NullMixer

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

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Nirsoft 1 IoCs
  • Vidar Stealer 3 IoCs
  • ASPack v2.12-2.42 7 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 52 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Looks up external IP address via web service 5 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 8 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:856
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Modifies registry class
        PID:780
    • C:\Users\Admin\AppData\Local\Temp\3e83abe805ea3cd0852235f3365e1cf9.exe
      "C:\Users\Admin\AppData\Local\Temp\3e83abe805ea3cd0852235f3365e1cf9.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\setup_install.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sotema_7.exe
          3⤵
            PID:792
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sotema_6.exe
            3⤵
            • Loads dropped DLL
            PID:536
            • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\sotema_6.exe
              sotema_6.exe
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:664
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sotema_5.exe
            3⤵
            • Loads dropped DLL
            PID:1976
            • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\sotema_5.exe
              sotema_5.exe
              4⤵
              • Modifies Windows Defender Real-time Protection settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies system certificate store
              PID:2040
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sotema_4.exe
            3⤵
            • Loads dropped DLL
            PID:2936
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sotema_3.exe
            3⤵
            • Loads dropped DLL
            PID:2924
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sotema_2.exe
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2652
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sotema_1.exe
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2912
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 412
            3⤵
            • Loads dropped DLL
            • Program crash
            PID:1492
      • C:\Users\Admin\AppData\Local\Temp\is-9T9DD.tmp\sotema_6.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-9T9DD.tmp\sotema_6.tmp" /SL5="$6011E,506127,422400,C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\sotema_6.exe"
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:576
      • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\sotema_3.exe
        sotema_3.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 980
          2⤵
          • Loads dropped DLL
          • Program crash
          PID:2384
      • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\sotema_4.exe
        sotema_4.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies system certificate store
        PID:2220
        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1960
      • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\sotema_2.exe
        sotema_2.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:1788
      • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\sotema_1.exe
        sotema_1.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:460
        • C:\Windows\SysWOW64\rUNdlL32.eXe
          "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\axhub.dll",axhub
          2⤵
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1780

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\libstdc++-6.dll

        Filesize

        647KB

        MD5

        5e279950775baae5fea04d2cc4526bcc

        SHA1

        8aef1e10031c3629512c43dd8b0b5d9060878453

        SHA256

        97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

        SHA512

        666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\libcurl.dll

        Filesize

        218KB

        MD5

        d09be1f47fd6b827c81a4812b4f7296f

        SHA1

        028ae3596c0790e6d7f9f2f3c8e9591527d267f7

        SHA256

        0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

        SHA512

        857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\libcurlpp.dll

        Filesize

        54KB

        MD5

        e6e578373c2e416289a8da55f1dc5e8e

        SHA1

        b601a229b66ec3d19c2369b36216c6f6eb1c063e

        SHA256

        43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

        SHA512

        9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\libgcc_s_dw2-1.dll

        Filesize

        113KB

        MD5

        9aec524b616618b0d3d00b27b6f51da1

        SHA1

        64264300801a353db324d11738ffed876550e1d3

        SHA256

        59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

        SHA512

        0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\libstdc++-6.dll

        Filesize

        320KB

        MD5

        97d8714c9bd5a99d979e5c64039e112a

        SHA1

        e1a1a634c12d09f57c4d5035ecc35dbcd29f0387

        SHA256

        b0df8649494fb91a5ace34e57e7479848456d458d19e24d7791bc3348bf8014b

        SHA512

        dd325c0b53bf57cd345a630419b480a52980d5f564c81ec509b2c1c3198c4c8bb478bb0a76e551a77ec4c537abf6074f1e8c62ec1b2ef43ca8949d0d6fc54490

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\libwinpthread-1.dll

        Filesize

        69KB

        MD5

        1e0d62c34ff2e649ebc5c372065732ee

        SHA1

        fcfaa36ba456159b26140a43e80fbd7e9d9af2de

        SHA256

        509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

        SHA512

        3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\setup_install.exe

        Filesize

        290KB

        MD5

        3d303b3b9b27855fb496d3bd52f1ca50

        SHA1

        a2da695067708e2680bdfa4ee40e647c45835471

        SHA256

        2051d0eb2aeec65a2699604355cea561461027ee6bbc886ce9a69f82abb11a21

        SHA512

        fbc9502c00fef8a0c96c03a9da18ca6e402a81ff333f02378525d7750002b28a029d08f47a276ef6a08d324ac78dee3f2671db1d3d8fbc0f46e311ebc0f44dbe

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\setup_install.exe

        Filesize

        92KB

        MD5

        44f1b1ee77718d49dad71c3eab55dc48

        SHA1

        6b2dfdbe875c1df05552de0b1614e32e3bc3bd6b

        SHA256

        4fd85ff6da27f74633b349979fca707854c59d1893159380235e25dd245acc3f

        SHA512

        d1638e051b7219e7ffd6063a01c869cde6b6e265ade2dbda5f7277fe2e026ade161979020047647b1873bcf2e41015dc21634644c1866e30ce264af78b6ec062

      • \Users\Admin\AppData\Local\Temp\7zSCDA9B9F6\setup_install.exe

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • memory/576-353-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

      • memory/664-350-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/664-559-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/664-111-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/780-158-0x0000000000260000-0x00000000002D1000-memory.dmp

        Filesize

        452KB

      • memory/780-380-0x0000000000260000-0x00000000002D1000-memory.dmp

        Filesize

        452KB

      • memory/780-156-0x0000000000060000-0x00000000000AC000-memory.dmp

        Filesize

        304KB

      • memory/856-151-0x00000000011C0000-0x0000000001231000-memory.dmp

        Filesize

        452KB

      • memory/856-175-0x00000000011C0000-0x0000000001231000-memory.dmp

        Filesize

        452KB

      • memory/856-152-0x0000000000810000-0x000000000085C000-memory.dmp

        Filesize

        304KB

      • memory/856-150-0x0000000000810000-0x000000000085C000-memory.dmp

        Filesize

        304KB

      • memory/1360-338-0x00000000025E0000-0x00000000025F6000-memory.dmp

        Filesize

        88KB

      • memory/1780-149-0x00000000002B0000-0x000000000030D000-memory.dmp

        Filesize

        372KB

      • memory/1780-155-0x00000000002B0000-0x000000000030D000-memory.dmp

        Filesize

        372KB

      • memory/1780-148-0x0000000002170000-0x0000000002271000-memory.dmp

        Filesize

        1.0MB

      • memory/1788-339-0x0000000000400000-0x00000000008F5000-memory.dmp

        Filesize

        5.0MB

      • memory/1788-179-0x0000000000400000-0x00000000008F5000-memory.dmp

        Filesize

        5.0MB

      • memory/1788-342-0x0000000000240000-0x0000000000249000-memory.dmp

        Filesize

        36KB

      • memory/1788-165-0x0000000000240000-0x0000000000249000-memory.dmp

        Filesize

        36KB

      • memory/1788-163-0x00000000009A0000-0x0000000000AA0000-memory.dmp

        Filesize

        1024KB

      • memory/1872-432-0x0000000000B10000-0x0000000000C10000-memory.dmp

        Filesize

        1024KB

      • memory/1872-349-0x0000000000400000-0x000000000094A000-memory.dmp

        Filesize

        5.3MB

      • memory/1872-187-0x00000000002D0000-0x000000000036D000-memory.dmp

        Filesize

        628KB

      • memory/1872-191-0x0000000000400000-0x000000000094A000-memory.dmp

        Filesize

        5.3MB

      • memory/1872-185-0x0000000000B10000-0x0000000000C10000-memory.dmp

        Filesize

        1024KB

      • memory/1960-359-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/1960-361-0x0000000000240000-0x000000000024D000-memory.dmp

        Filesize

        52KB

      • memory/1960-362-0x0000000000240000-0x000000000029B000-memory.dmp

        Filesize

        364KB

      • memory/2220-360-0x0000000000190000-0x00000000001EB000-memory.dmp

        Filesize

        364KB

      • memory/2220-357-0x0000000000190000-0x00000000001EB000-memory.dmp

        Filesize

        364KB

      • memory/2220-450-0x0000000000190000-0x00000000001EB000-memory.dmp

        Filesize

        364KB

      • memory/2220-448-0x0000000000190000-0x00000000001EB000-memory.dmp

        Filesize

        364KB

      • memory/2588-343-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/2588-54-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/2588-63-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/2588-188-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/2588-72-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/2588-73-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/2588-42-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/2588-58-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/2588-337-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/2588-55-0x0000000064940000-0x0000000064959000-memory.dmp

        Filesize

        100KB

      • memory/2588-53-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/2588-171-0x0000000064940000-0x0000000064959000-memory.dmp

        Filesize

        100KB

      • memory/2588-347-0x000000006EB40000-0x000000006EB63000-memory.dmp

        Filesize

        140KB

      • memory/2588-57-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/2588-71-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/2588-70-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/2588-47-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/2588-62-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/2588-69-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/2588-68-0x0000000000400000-0x000000000051E000-memory.dmp

        Filesize

        1.1MB

      • memory/2588-66-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/2588-174-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/2588-61-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/2588-65-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/2588-60-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/2780-35-0x0000000002B80000-0x0000000002C9E000-memory.dmp

        Filesize

        1.1MB

      • memory/2780-28-0x0000000002B80000-0x0000000002C9E000-memory.dmp

        Filesize

        1.1MB

      • memory/2780-596-0x0000000002B80000-0x0000000002C9E000-memory.dmp

        Filesize

        1.1MB