Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 23:54

General

  • Target

    aa78c45f6e59bd71852b611786349324.exe

  • Size

    1.9MB

  • MD5

    aa78c45f6e59bd71852b611786349324

  • SHA1

    eb89fd0c85c15299c0785f251ef0495814ec0899

  • SHA256

    14ab6299436aa43e2d039e0fbc6147d6dd495410c9e3c175ec0ac6d82af855ca

  • SHA512

    68f2f801db7c1415b7f41b8652a1ea6f027f5f176da28be85c610d23e4c38032c8df05c8354cb3c1e73664a51734a796caae8f11007d4bd9fdbbe9991f99dbad

  • SSDEEP

    49152:9gZTJnybQujEEZhLfTdCrQuQbLLaOLAuoo+nIfjLS:yZlngEEZhndCrQxLfVLS

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/

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 6 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 3 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 3 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa78c45f6e59bd71852b611786349324.exe
    "C:\Users\Admin\AppData\Local\Temp\aa78c45f6e59bd71852b611786349324.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4260
      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS4A016707\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3440
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 8e122c389911.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\8e122c389911.exe
            8e122c389911.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:876
            • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\8e122c389911.exe
              "C:\Users\Admin\AppData\Local\Temp\7zS4A016707\8e122c389911.exe" -a
              6⤵
              • Executes dropped EXE
              PID:4336
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 9264ee7753.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5008
          • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\9264ee7753.exe
            9264ee7753.exe
            5⤵
            • Executes dropped EXE
            PID:5116
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd9ed711254.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:656
          • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\cd9ed711254.exe
            cd9ed711254.exe
            5⤵
            • Executes dropped EXE
            PID:2712
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1612
              6⤵
              • Program crash
              PID:2680
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 2eaca7cbe30dba52.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4628
          • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\2eaca7cbe30dba52.exe
            2eaca7cbe30dba52.exe
            5⤵
            • Executes dropped EXE
            PID:3320
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 553fdd31f6.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4852
          • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\553fdd31f6.exe
            553fdd31f6.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:3716
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 944d670e7.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1352
          • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\944d670e7.exe
            944d670e7.exe
            5⤵
            • Executes dropped EXE
            • Checks SCSI registry key(s)
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            PID:4472
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c bc0f7de460834e5.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3652
          • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\bc0f7de460834e5.exe
            bc0f7de460834e5.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 564
          4⤵
          • Program crash
          PID:1892
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3440 -ip 3440
    1⤵
      PID:4196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2712 -ip 2712
      1⤵
        PID:3892

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\2eaca7cbe30dba52.exe

        Filesize

        630KB

        MD5

        c465c7eb89a23837379e37046ec398e6

        SHA1

        00f6f8b48667dfe44d354953158c6915efd6d260

        SHA256

        430ed661f3be61265c7b657a641032b28c5a38495e6b37149b93428b9efa48a9

        SHA512

        9281e662c5612c104804c12ff79b0d953eb60d2d52103656bb9f9d0d523d12280a624f8199bae414c40481839e663dd399f5fbeed1489f70a81657324b536b97

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\553fdd31f6.exe

        Filesize

        8KB

        MD5

        5b8639f453da7c204942d918b40181de

        SHA1

        2daed225238a9b1fe2359133e6d8e7e85e7d6995

        SHA256

        d9008ee980c17de8330444223b212f1b6a441f217753471c76f5f6ed5857a7d6

        SHA512

        cc517e18a5da375832890e61d30553c30e662426837b3e64328c529c594c5721d782f2b5fe2aa809dcd01621176845b61f9e9ba21ce12234a75872391d313205

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\8e122c389911.exe

        Filesize

        56KB

        MD5

        c0d18a829910babf695b4fdaea21a047

        SHA1

        236a19746fe1a1063ebe077c8a0553566f92ef0f

        SHA256

        78958d664b1c140f2b45e56c4706108eeb5f14756977e2efd3409f8a788d3c98

        SHA512

        cca06a032d8232c0046c6160f47b8792370745b47885c2fa75308abc3df76dcc5965858b004c1aad05b8cd8fbb9a359077be1b97ec087a05d740145030675823

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\9264ee7753.exe

        Filesize

        241KB

        MD5

        5866ab1fae31526ed81bfbdf95220190

        SHA1

        75a5e08b3b9ad2dff35dfbbb3ffe8d983c2be25f

        SHA256

        9e1a149370efe9814bf2cbd87acfcfa410d1769efd86a9722da4373d6716d22e

        SHA512

        8d99ab09e84e4ef309da34be94946cbfcffeb1c0ca49e2452deb738d801e551062ebb134f1b99a9baf03003a8e720d525521ce09aeac341d3cba3fcfbc618fb5

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\944d670e7.exe

        Filesize

        312KB

        MD5

        4168326befe9ff224af10c2dd3adbb2c

        SHA1

        39b84077951312529796822e970fde442f10b2ed

        SHA256

        6d5735bc40818aa5725dd06e8145f2d653c9bc64c89e6b1b3b3917f5b6b61770

        SHA512

        494c9f647241d58c6da2a79ecc51ebf1cf6df00c78aa54481ec4f557e8f167304dd7872c96c0b0cd56805d224d286745db86e494091b224a288e05beae075ea5

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\bc0f7de460834e5.exe

        Filesize

        165KB

        MD5

        5f6f8e5a5e6ba53f8f785b575573451d

        SHA1

        97b99adefc3ecca6be60c882b563853091f586ef

        SHA256

        6f8a7657b62f79b148d6b930641ef70eb0d8bc909377439819a0db601ca1c0d8

        SHA512

        ff6491641fc985bd03421e8565b36322017da9a647015bcc399b3ca73c675749d3e22eee5e437283b22b6a05240f6bd1bf8eddc0ef3be233fd8c40fe82fead05

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\cd9ed711254.exe

        Filesize

        649KB

        MD5

        ae0c81e67caea27ab164697a6e82c4fe

        SHA1

        7478f88ae345623eb67792b9ea719e0ec6480bbf

        SHA256

        0ee36078c94b22714e3e44b355e5e129e63bff8df02f0df13a2b1ff207f0f5f5

        SHA512

        80cd1f932a946f6567debd0b1cbfad7214034da471f85609bc41a9fdc845417adca87261044ac2011279d69160f38d438e44336ae7447a7c7bc855a6de30d25b

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\cd9ed711254.exe

        Filesize

        640KB

        MD5

        ec51f7e0f1cf355ca6a88882d29c8532

        SHA1

        ce18182b3d4fca80b900a9531036716f24759b24

        SHA256

        12d8ebebf6ea21921790dfa416ecf1849c5787e799efff5edcac793ff61e44b5

        SHA512

        a0653f7598cfe99c655d6f83c688ee116001cabbf8119ab7360a67207a3b5f0605c9a769ca8856b93df1fd859792da0dbd885d8a42cf8fc9fe9985f5ddfdb9ce

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\libcurl.dll

        Filesize

        218KB

        MD5

        d09be1f47fd6b827c81a4812b4f7296f

        SHA1

        028ae3596c0790e6d7f9f2f3c8e9591527d267f7

        SHA256

        0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

        SHA512

        857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\libcurlpp.dll

        Filesize

        54KB

        MD5

        e6e578373c2e416289a8da55f1dc5e8e

        SHA1

        b601a229b66ec3d19c2369b36216c6f6eb1c063e

        SHA256

        43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

        SHA512

        9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\libgcc_s_dw2-1.dll

        Filesize

        113KB

        MD5

        9aec524b616618b0d3d00b27b6f51da1

        SHA1

        64264300801a353db324d11738ffed876550e1d3

        SHA256

        59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

        SHA512

        0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\libstdc++-6.dll

        Filesize

        647KB

        MD5

        5e279950775baae5fea04d2cc4526bcc

        SHA1

        8aef1e10031c3629512c43dd8b0b5d9060878453

        SHA256

        97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

        SHA512

        666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\libwinpthread-1.dll

        Filesize

        69KB

        MD5

        1e0d62c34ff2e649ebc5c372065732ee

        SHA1

        fcfaa36ba456159b26140a43e80fbd7e9d9af2de

        SHA256

        509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

        SHA512

        3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

      • C:\Users\Admin\AppData\Local\Temp\7zS4A016707\setup_install.exe

        Filesize

        4.2MB

        MD5

        512e7c6981a3c5a4fe65a4b2ae42cb75

        SHA1

        87bee758506ae4e22c221b65aaa47b697404a2c6

        SHA256

        61a8b4929b9b61411b8af256cb4d1813ab80fca153e6edb18990959496c52a94

        SHA512

        abd324760aecfac9decdd1883e75f4f22d9693e39d6a7dd395f64d12db2c8a6cf869574d7cd2848af02ad45269ba9c161dc99c4cbdf9ff0e430eeb435e925f52

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

        Filesize

        1.9MB

        MD5

        057edd988ee61887698f274d2de99020

        SHA1

        c42f125e133e8ad75dc22c42237445e18953e3a7

        SHA256

        5ebf6ebb706d213d8db3236d32788c4609071c78b164255e61842c900e038073

        SHA512

        88cdeb36294ca843634dd872f6f411744a1873123576315d0eb5e2db27675b95f63cbfd7d904b3e9d0b3013ce05172efede85080f102554df7565b5d781de72a

      • memory/796-96-0x0000000002520000-0x0000000002542000-memory.dmp

        Filesize

        136KB

      • memory/796-94-0x00007FFD30470000-0x00007FFD30F31000-memory.dmp

        Filesize

        10.8MB

      • memory/796-113-0x00007FFD30470000-0x00007FFD30F31000-memory.dmp

        Filesize

        10.8MB

      • memory/796-103-0x000000001B2B0000-0x000000001B2C0000-memory.dmp

        Filesize

        64KB

      • memory/796-97-0x0000000002540000-0x0000000002546000-memory.dmp

        Filesize

        24KB

      • memory/796-92-0x0000000000590000-0x00000000005C0000-memory.dmp

        Filesize

        192KB

      • memory/796-95-0x0000000002510000-0x0000000002516000-memory.dmp

        Filesize

        24KB

      • memory/2712-101-0x0000000000400000-0x0000000000959000-memory.dmp

        Filesize

        5.3MB

      • memory/2712-124-0x0000000000BD0000-0x0000000000C6D000-memory.dmp

        Filesize

        628KB

      • memory/2712-98-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

        Filesize

        1024KB

      • memory/2712-99-0x0000000000BD0000-0x0000000000C6D000-memory.dmp

        Filesize

        628KB

      • memory/2712-123-0x0000000000400000-0x0000000000959000-memory.dmp

        Filesize

        5.3MB

      • memory/3440-109-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/3440-43-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/3440-45-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/3440-47-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/3440-48-0x0000000064940000-0x0000000064959000-memory.dmp

        Filesize

        100KB

      • memory/3440-44-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/3440-46-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/3440-49-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/3440-53-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/3440-42-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/3440-50-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/3440-52-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/3440-51-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/3440-111-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/3440-110-0x000000006EB40000-0x000000006EB63000-memory.dmp

        Filesize

        140KB

      • memory/3440-106-0x0000000000400000-0x000000000071E000-memory.dmp

        Filesize

        3.1MB

      • memory/3440-107-0x0000000064940000-0x0000000064959000-memory.dmp

        Filesize

        100KB

      • memory/3440-108-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/3716-89-0x00007FFD30470000-0x00007FFD30F31000-memory.dmp

        Filesize

        10.8MB

      • memory/3716-83-0x0000000000ED0000-0x0000000000ED8000-memory.dmp

        Filesize

        32KB

      • memory/3716-90-0x000000001BB10000-0x000000001BB20000-memory.dmp

        Filesize

        64KB

      • memory/4472-100-0x00000000001C0000-0x00000000001C9000-memory.dmp

        Filesize

        36KB

      • memory/4472-105-0x0000000000400000-0x0000000000905000-memory.dmp

        Filesize

        5.0MB

      • memory/4472-104-0x0000000000A20000-0x0000000000B20000-memory.dmp

        Filesize

        1024KB

      • memory/4472-125-0x00000000001C0000-0x00000000001C9000-memory.dmp

        Filesize

        36KB