Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 01:48

General

  • Target

    setup_installer.exe

  • Size

    5.7MB

  • MD5

    5d15d2119fc180ca529dc71803b5022e

  • SHA1

    7baebeba43ee7387969e715ad41d2523fa0943de

  • SHA256

    75f6455387008a86d306dffcabd6bdd534e5c265829c02dd3b26f2ec03190abf

  • SHA512

    cbae444a2e235c8bf14226afe8f2b044cd98309b09cc9708b4347e7b77b464f5ec417918f57225878fd41357df45d04bb8a98b14e23c00eb245a6717abcde2c6

  • SSDEEP

    98304:xZCvLUBsgZ7yEcW+4YqMPpf8UEBUxPtT1tDvC+K6UvNgOIgdgg/InSlWiVSf:xSLUCgNRfOTB51tlrBFgdgUOwJVE

Malware Config

Extracted

Family

nullmixer

C2

http://marisana.xyz/

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

Signatures

  • NullMixer

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

  • Nullmixer family
  • PrivateLoader

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

  • Privateloader family
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Vidar Stealer 1 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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
  • Reads user/profile data of web browsers 3 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 4 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 16 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 80ff3a0909402a71.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2976
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\80ff3a0909402a71.exe
          80ff3a0909402a71.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:848
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 6c03f4c63e2.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3100
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\6c03f4c63e2.exe
          6c03f4c63e2.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2620
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 1648
            5⤵
            • Program crash
            PID:3004
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 292a72b1538a4.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3464
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\292a72b1538a4.exe
          292a72b1538a4.exe
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2540
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c b1eba6b13.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4712
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\b1eba6b13.exe
          b1eba6b13.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Checks SCSI registry key(s)
          PID:2684
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 356
            5⤵
            • Program crash
            PID:1964
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 2a07805a6bd5.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3260
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\2a07805a6bd5.exe
          2a07805a6bd5.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2880
          • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\2a07805a6bd5.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\2a07805a6bd5.exe" -a
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3476
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bb7eeae46907.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:892
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\bb7eeae46907.exe
          bb7eeae46907.exe
          4⤵
          • Executes dropped EXE
          PID:4224
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 1558c83052a066.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2388
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\1558c83052a066.exe
          1558c83052a066.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4456
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 804a234bccaae49.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4296
        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\804a234bccaae49.exe
          804a234bccaae49.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4300
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 564
        3⤵
        • Program crash
        PID:1348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2676 -ip 2676
    1⤵
      PID:3444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2684 -ip 2684
      1⤵
        PID:4640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2620 -ip 2620
        1⤵
          PID:4584

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\1558c83052a066.exe

          Filesize

          1.6MB

          MD5

          0965da18bfbf19bafb1c414882e19081

          SHA1

          e4556bac206f74d3a3d3f637e594507c30707240

          SHA256

          1cdddf182f161ab789edfcc68a0706d0b8412a9ba67a3f918fe60fab270eabff

          SHA512

          fe4702a2fde36b4fb0015ad7d3e2169a1ccbf5e29d7edef40f104ed47661b4b0365b13b1913e9f4e0ab7bc9ac542ee86c02a802a13567dfd0b8f5485a5be829b

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\292a72b1538a4.exe

          Filesize

          4.3MB

          MD5

          69b013f9548c195c27d26293cc583815

          SHA1

          3cd8b84e5a2562f61866d64d88838394236e6f8a

          SHA256

          a50dff01ab333ada57ea512332ad48453f10f664467a87dce16649ecaff44b00

          SHA512

          7411513333480920681146fa9f8d794a4e1d6c0cc6d015e5c144405459f22e1b94d80ac4e3fe08fd88bb14b835307f2c000f702a4911e162aac013bfa1b792fc

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\2a07805a6bd5.exe

          Filesize

          56KB

          MD5

          3263859df4866bf393d46f06f331a08f

          SHA1

          5b4665de13c9727a502f4d11afb800b075929d6c

          SHA256

          9dcacda3913e30cafd92c909648b5bffde14b8e39e6adbfb15628006c0d4d3c2

          SHA512

          58205110a017f5d73dd131fefb1e3bbbcc670ed0c645aeefebe5281579c7b1dceffa56671cd7b186554bdb81710e21018ed0d7088a27517dfc5e48d6d3578cf6

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\6c03f4c63e2.exe

          Filesize

          649KB

          MD5

          949b3d77a89b8aa23ccd1713ec7df198

          SHA1

          0dbdeef6195ab56c72b4d5ff4c2bab81c0ff3e91

          SHA256

          f48752a18c651f67ea479410fd3cee0121edb21599c5b8ab3e343006133a66d8

          SHA512

          22750c98f2eb745e909750c5639f31c3531265795783031905efa4b4a28247c20a9ef62088c661b0fc353f3c17b2b94f5c17b25b419b7af8182c44609001f90c

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\804a234bccaae49.exe

          Filesize

          8KB

          MD5

          83cc20c8d4dd098313434b405648ebfd

          SHA1

          59b99c73776d555a985b2f2dcc38b826933766b3

          SHA256

          908b275d6fc2f20e9d04e8609a9d994f7e88a429c3eb0a55d99ca1c681e17ec8

          SHA512

          e00009e1f322a1fe6e24f88a1cc722acf3094569174e7c58ebf06f75f50a7735dcebf3e493886bbdc87593345adc8bb7b6f2daca2e64618f276075a0bb46bb8c

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\80ff3a0909402a71.exe

          Filesize

          165KB

          MD5

          181f1849ccb484af2eebb90894706150

          SHA1

          45dee946a7abc9c1c05d158a05e768e06a0d2cdc

          SHA256

          aeb2d203b415b00e0a23aa026862cec8e11962fdb99c6dce38fb0b018b7d8409

          SHA512

          a87485005ca80e145a7b734735184fa2d374a7f02e591eec9e51b77dc2a51be7f8198ce5abfceb9546c48bf235a555f19d6c57469975d0b4c786b0db16df930c

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\b1eba6b13.exe

          Filesize

          313KB

          MD5

          f476544c9c96b8b0433e7a0d3c390db7

          SHA1

          058495445e063130c161b6308a6bef342d20b5f8

          SHA256

          c4f3e59da8a6827adfbdbb04a9ec4ef8f718ad48bd9bbe70811a164fde758337

          SHA512

          800e9cc1528d429d9b41aab651be19f13f197a7330dd7d1b6a5cd0fb1d6ad4896e9fe61e183d7868409bc4af344fe1d3b65fdb955a9fdd07cc7091fd9767bf3d

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\bb7eeae46907.exe

          Filesize

          241KB

          MD5

          5866ab1fae31526ed81bfbdf95220190

          SHA1

          75a5e08b3b9ad2dff35dfbbb3ffe8d983c2be25f

          SHA256

          9e1a149370efe9814bf2cbd87acfcfa410d1769efd86a9722da4373d6716d22e

          SHA512

          8d99ab09e84e4ef309da34be94946cbfcffeb1c0ca49e2452deb738d801e551062ebb134f1b99a9baf03003a8e720d525521ce09aeac341d3cba3fcfbc618fb5

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\libcurl.dll

          Filesize

          218KB

          MD5

          d09be1f47fd6b827c81a4812b4f7296f

          SHA1

          028ae3596c0790e6d7f9f2f3c8e9591527d267f7

          SHA256

          0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

          SHA512

          857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\libcurlpp.dll

          Filesize

          54KB

          MD5

          e6e578373c2e416289a8da55f1dc5e8e

          SHA1

          b601a229b66ec3d19c2369b36216c6f6eb1c063e

          SHA256

          43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

          SHA512

          9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\libgcc_s_dw2-1.dll

          Filesize

          113KB

          MD5

          9aec524b616618b0d3d00b27b6f51da1

          SHA1

          64264300801a353db324d11738ffed876550e1d3

          SHA256

          59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

          SHA512

          0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\libstdc++-6.dll

          Filesize

          647KB

          MD5

          5e279950775baae5fea04d2cc4526bcc

          SHA1

          8aef1e10031c3629512c43dd8b0b5d9060878453

          SHA256

          97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

          SHA512

          666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\libwinpthread-1.dll

          Filesize

          69KB

          MD5

          1e0d62c34ff2e649ebc5c372065732ee

          SHA1

          fcfaa36ba456159b26140a43e80fbd7e9d9af2de

          SHA256

          509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

          SHA512

          3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

        • C:\Users\Admin\AppData\Local\Temp\7zS081A29D7\setup_install.exe

          Filesize

          9.4MB

          MD5

          9378124493a4b6e9160a9fe4cb6c599e

          SHA1

          6a69ea06903b305b5c2e7b4e6fa6e99bf5b776d2

          SHA256

          e0be525d01fe726ea597885760bd1074930982c38e64123934bd743652b5a761

          SHA512

          c432e5f261cb9f4b1b5f374b5f795f125a9db2aa45dece0e0962e25bb845244e397a015dbc87499adab8947e40c21004f4ff841ecb346b7ab6848717d57979d3

        • memory/848-93-0x00000000014D0000-0x00000000014D6000-memory.dmp

          Filesize

          24KB

        • memory/848-64-0x00007FF864173000-0x00007FF864175000-memory.dmp

          Filesize

          8KB

        • memory/848-84-0x00000000014C0000-0x00000000014C6000-memory.dmp

          Filesize

          24KB

        • memory/848-67-0x0000000000CF0000-0x0000000000D1E000-memory.dmp

          Filesize

          184KB

        • memory/848-92-0x0000000002DB0000-0x0000000002DD2000-memory.dmp

          Filesize

          136KB

        • memory/2540-96-0x00000000004E0000-0x0000000000D06000-memory.dmp

          Filesize

          8.1MB

        • memory/2540-91-0x00000000004E0000-0x0000000000D06000-memory.dmp

          Filesize

          8.1MB

        • memory/2540-126-0x00000000004E0000-0x0000000000D06000-memory.dmp

          Filesize

          8.1MB

        • memory/2540-114-0x0000000005A10000-0x0000000005B1A000-memory.dmp

          Filesize

          1.0MB

        • memory/2540-102-0x0000000005880000-0x00000000058CC000-memory.dmp

          Filesize

          304KB

        • memory/2540-100-0x0000000005810000-0x000000000584C000-memory.dmp

          Filesize

          240KB

        • memory/2540-99-0x00000000057B0000-0x00000000057C2000-memory.dmp

          Filesize

          72KB

        • memory/2540-98-0x0000000005EA0000-0x00000000064B8000-memory.dmp

          Filesize

          6.1MB

        • memory/2620-124-0x0000000000400000-0x0000000000959000-memory.dmp

          Filesize

          5.3MB

        • memory/2676-39-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/2676-37-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/2676-42-0x0000000064941000-0x000000006494F000-memory.dmp

          Filesize

          56KB

        • memory/2676-43-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/2676-44-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/2676-41-0x0000000000EF0000-0x0000000000F7F000-memory.dmp

          Filesize

          572KB

        • memory/2676-31-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/2676-33-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/2676-27-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/2676-40-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/2676-38-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/2676-32-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/2676-110-0x000000006B280000-0x000000006B2A6000-memory.dmp

          Filesize

          152KB

        • memory/2676-113-0x000000006B440000-0x000000006B4CF000-memory.dmp

          Filesize

          572KB

        • memory/2676-104-0x0000000000400000-0x0000000000C67000-memory.dmp

          Filesize

          8.4MB

        • memory/2676-112-0x0000000064940000-0x0000000064959000-memory.dmp

          Filesize

          100KB

        • memory/2676-111-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/2676-108-0x000000006EB40000-0x000000006EB63000-memory.dmp

          Filesize

          140KB

        • memory/2676-34-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/2676-36-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/2676-35-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          Filesize

          1.5MB

        • memory/2684-103-0x0000000000400000-0x0000000000905000-memory.dmp

          Filesize

          5.0MB

        • memory/4300-86-0x0000000000E90000-0x0000000000E98000-memory.dmp

          Filesize

          32KB