Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-01-2024 13:37

General

  • Target

    465e008ae44b8e00364cfa199b450eb3.exe

  • Size

    1.9MB

  • MD5

    465e008ae44b8e00364cfa199b450eb3

  • SHA1

    2b947ac03931d1e5084bead2b16d61c11105f2fa

  • SHA256

    1823176ae53c5e51f5b421341682c0a812b931687e7685c3b4275b99586b519e

  • SHA512

    bed3275ed4580f8a0561b97d294d5515262bd92841ddfdbfcb256c27dd40e791f446d079b521bbf63d82fcaec4730ca98ed85788bae5a550dd637b08821f009f

  • SSDEEP

    49152:9g3DeZu8JlU1Ud9jKJxrsvs99nUEwfUsVvcNtfxOoq30:yqc8uxrsETUV9c+0

Malware Config

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

nullmixer

C2

http://watira.xyz/

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.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.

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\465e008ae44b8e00364cfa199b450eb3.exe
    "C:\Users\Admin\AppData\Local\Temp\465e008ae44b8e00364cfa199b450eb3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
        PID:3624
        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\setup_install.exe
          "C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\setup_install.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1404
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 544
            4⤵
            • Program crash
            PID:1616
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c 3cf01e1373c46.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4016
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c c9ebbe1d7.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4184
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c 190cee335.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4960
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c dca6c247e3.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3884
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c f6ab0314134.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1340
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c e12de46c3c832.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2932
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c 0d5026350381.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3144
    • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\0d5026350381.exe
      0d5026350381.exe
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1056
      • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\0d5026350381.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\0d5026350381.exe" -a
        2⤵
        • Executes dropped EXE
        PID:2028
    • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\190cee335.exe
      190cee335.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\f6ab0314134.exe
      f6ab0314134.exe
      1⤵
      • Executes dropped EXE
      PID:4548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1404 -ip 1404
      1⤵
        PID:1596
      • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\3cf01e1373c46.exe
        3cf01e1373c46.exe
        1⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:3408
      • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\dca6c247e3.exe
        dca6c247e3.exe
        1⤵
        • Executes dropped EXE
        PID:4100
      • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\c9ebbe1d7.exe
        c9ebbe1d7.exe
        1⤵
        • Executes dropped EXE
        PID:4500
      • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\e12de46c3c832.exe
        e12de46c3c832.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2300
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3408 -ip 3408
        1⤵
          PID:5048

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\libcurl.dll

          Filesize

          218KB

          MD5

          d09be1f47fd6b827c81a4812b4f7296f

          SHA1

          028ae3596c0790e6d7f9f2f3c8e9591527d267f7

          SHA256

          0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

          SHA512

          857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\libcurlpp.dll

          Filesize

          54KB

          MD5

          e6e578373c2e416289a8da55f1dc5e8e

          SHA1

          b601a229b66ec3d19c2369b36216c6f6eb1c063e

          SHA256

          43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

          SHA512

          9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\libgcc_s_dw2-1.dll

          Filesize

          113KB

          MD5

          9aec524b616618b0d3d00b27b6f51da1

          SHA1

          64264300801a353db324d11738ffed876550e1d3

          SHA256

          59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

          SHA512

          0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\libstdc++-6.dll

          Filesize

          647KB

          MD5

          5e279950775baae5fea04d2cc4526bcc

          SHA1

          8aef1e10031c3629512c43dd8b0b5d9060878453

          SHA256

          97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

          SHA512

          666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\libwinpthread-1.dll

          Filesize

          69KB

          MD5

          1e0d62c34ff2e649ebc5c372065732ee

          SHA1

          fcfaa36ba456159b26140a43e80fbd7e9d9af2de

          SHA256

          509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

          SHA512

          3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\setup_install.exe

          Filesize

          3.3MB

          MD5

          bb0985703c0401f5cbd11d7c71db1bb2

          SHA1

          b7a6520daa7a4d374e4dd07496496ffd6d61ed49

          SHA256

          4beced139e817100a9e8849edc29aeda3b0ad1497b6dcef5fefd26f1d2abf9b6

          SHA512

          46646656ba60c43f2db137760832d59423c3eba05432b5901896e3a3742365f5543347ffc0a71915f6502006a9d2082d2e81690fd04bb2e4a43703bb02e7da7a

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\setup_install.exe

          Filesize

          4.2MB

          MD5

          ea365547f9b316bfebaebcc1ae271824

          SHA1

          9758a9a2d7a11a1aba093c474df0b5a2939df88e

          SHA256

          b88a310f36bf3a3d3a12ef86cd1d20e43135baa14825fc43938f1d53765500e2

          SHA512

          dea5741bc49ad9453f1cb3382ca7d178fe5ba10bd0ba1d4d73856e0c5e918daed890ebb0400d0f6f2273252ec851367411842fdc1bfb7a1c87bd4bf11310df64

        • C:\Users\Admin\AppData\Local\Temp\7zS82EFD477\setup_install.exe

          Filesize

          3.8MB

          MD5

          d41f03922dd969a30b829bce1edae4bf

          SHA1

          5daf58ea7c8f61c2d3f93b87912e396e7174c2f0

          SHA256

          bc67d9177900aadb9683586e10a4e87495796e37cb9e5d0a5cdc6e425e689fc5

          SHA512

          672893c5625577c74adeead3884d034f990bec597b7cd6be4a9073866ab21d705f79f6241e4b769ef2d0d29ece01b591d7212372a472872359d94be620b80e14

        • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe

          Filesize

          1.9MB

          MD5

          e57e91b91c9045f6a3a858c682578fd3

          SHA1

          4b15a2026bff8e9fc63cf26e13fffb3ca1dbad56

          SHA256

          3217f0d13cf2fd54f17f58803c0013d524fdf3e4994558b4c026c555d2756dee

          SHA512

          42e7cc960914c020a59a6686ee59a09596a82fae6dc5859d8e8a69c5577507e603a6df45e4de94ca157b5fb1672ddca57dd199648349a792bb7d179656de9e81

        • memory/1404-48-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/1404-53-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/1404-47-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1404-52-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1404-42-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/1404-43-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/1404-44-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/1404-46-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/1404-112-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1404-111-0x000000006EB40000-0x000000006EB63000-memory.dmp

          Filesize

          140KB

        • memory/1404-110-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/1404-109-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/1404-108-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/1404-107-0x0000000000400000-0x000000000071D000-memory.dmp

          Filesize

          3.1MB

        • memory/1404-45-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/1404-49-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1404-50-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1404-51-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/1404-54-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/2300-75-0x0000000000220000-0x0000000000228000-memory.dmp

          Filesize

          32KB

        • memory/2300-85-0x00007FFD81190000-0x00007FFD81C51000-memory.dmp

          Filesize

          10.8MB

        • memory/2300-124-0x0000000000B90000-0x0000000000BA0000-memory.dmp

          Filesize

          64KB

        • memory/2300-89-0x0000000000B90000-0x0000000000BA0000-memory.dmp

          Filesize

          64KB

        • memory/2588-84-0x0000000000220000-0x0000000000250000-memory.dmp

          Filesize

          192KB

        • memory/2588-98-0x0000000000A10000-0x0000000000A16000-memory.dmp

          Filesize

          24KB

        • memory/2588-114-0x00007FFD81190000-0x00007FFD81C51000-memory.dmp

          Filesize

          10.8MB

        • memory/2588-96-0x00000000009F0000-0x0000000000A12000-memory.dmp

          Filesize

          136KB

        • memory/2588-99-0x000000001AFE0000-0x000000001AFF0000-memory.dmp

          Filesize

          64KB

        • memory/2588-91-0x00000000009E0000-0x00000000009E6000-memory.dmp

          Filesize

          24KB

        • memory/2588-94-0x00007FFD81190000-0x00007FFD81C51000-memory.dmp

          Filesize

          10.8MB

        • memory/3388-118-0x0000000002B40000-0x0000000002B56000-memory.dmp

          Filesize

          88KB

        • memory/3408-105-0x00000000001C0000-0x00000000001C9000-memory.dmp

          Filesize

          36KB

        • memory/3408-106-0x0000000000400000-0x0000000000903000-memory.dmp

          Filesize

          5.0MB

        • memory/3408-104-0x0000000000B40000-0x0000000000C40000-memory.dmp

          Filesize

          1024KB

        • memory/4500-101-0x0000000000A00000-0x0000000000B00000-memory.dmp

          Filesize

          1024KB

        • memory/4500-102-0x0000000000960000-0x00000000009FD000-memory.dmp

          Filesize

          628KB

        • memory/4500-103-0x0000000000400000-0x0000000000958000-memory.dmp

          Filesize

          5.3MB