Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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

    setup_installer.exe

  • Size

    1.9MB

  • MD5

    057edd988ee61887698f274d2de99020

  • SHA1

    c42f125e133e8ad75dc22c42237445e18953e3a7

  • SHA256

    5ebf6ebb706d213d8db3236d32788c4609071c78b164255e61842c900e038073

  • SHA512

    88cdeb36294ca843634dd872f6f411744a1873123576315d0eb5e2db27675b95f63cbfd7d904b3e9d0b3013ce05172efede85080f102554df7565b5d781de72a

  • SSDEEP

    49152:xcBtEwJ84vLRaBtIl9mVBAO6yQgaPlTWpsCwFJuFIiNktw0Ub91gpCh1O8QM:xTCvLUBsg6DWyvPtaLgwO8QM

Malware Config

Extracted

Family

nullmixer

C2

http://watira.xyz/

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

vidar

Version

40

Botnet

706

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    706

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 4 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 9 IoCs
  • Loads dropped DLL 5 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 45 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:\Users\Admin\AppData\Local\Temp\setup_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS05B45497\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4604
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 8e122c389911.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\8e122c389911.exe
          8e122c389911.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4004
          • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\8e122c389911.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS05B45497\8e122c389911.exe" -a
            5⤵
            • Executes dropped EXE
            PID:460
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 553fdd31f6.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4036
        • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\553fdd31f6.exe
          553fdd31f6.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2612
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 944d670e7.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\944d670e7.exe
          944d670e7.exe
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:1496
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bc0f7de460834e5.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1436
        • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\bc0f7de460834e5.exe
          bc0f7de460834e5.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2456
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 9264ee7753.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\9264ee7753.exe
          9264ee7753.exe
          4⤵
          • Executes dropped EXE
          PID:4184
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd9ed711254.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2368
        • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\cd9ed711254.exe
          cd9ed711254.exe
          4⤵
          • Executes dropped EXE
          PID:1208
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1044
            5⤵
            • Program crash
            PID:416
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 2eaca7cbe30dba52.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\2eaca7cbe30dba52.exe
          2eaca7cbe30dba52.exe
          4⤵
          • Executes dropped EXE
          PID:808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 552
        3⤵
        • Program crash
        PID:3980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4604 -ip 4604
    1⤵
      PID:4920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1208 -ip 1208
      1⤵
        PID:3984

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\2eaca7cbe30dba52.exe

        Filesize

        512KB

        MD5

        450ab89d6718078dd74dc0285463ff93

        SHA1

        3e02a44ca9f39868a2c04b7d022159aa55753343

        SHA256

        875a1e9b5b1371f70bcce8880809c942d1ca4ecbe933b7cb4eab213bfbe05c07

        SHA512

        1a67e5cd9ef31c188c492e17147860255d9fe65dda4548c7ccab267e8905430658e8aa15659267a6813f3fe34ec0121547e753e08cba1c44f980b6e95a5b98a1

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\553fdd31f6.exe

        Filesize

        8KB

        MD5

        5b8639f453da7c204942d918b40181de

        SHA1

        2daed225238a9b1fe2359133e6d8e7e85e7d6995

        SHA256

        d9008ee980c17de8330444223b212f1b6a441f217753471c76f5f6ed5857a7d6

        SHA512

        cc517e18a5da375832890e61d30553c30e662426837b3e64328c529c594c5721d782f2b5fe2aa809dcd01621176845b61f9e9ba21ce12234a75872391d313205

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\8e122c389911.exe

        Filesize

        56KB

        MD5

        c0d18a829910babf695b4fdaea21a047

        SHA1

        236a19746fe1a1063ebe077c8a0553566f92ef0f

        SHA256

        78958d664b1c140f2b45e56c4706108eeb5f14756977e2efd3409f8a788d3c98

        SHA512

        cca06a032d8232c0046c6160f47b8792370745b47885c2fa75308abc3df76dcc5965858b004c1aad05b8cd8fbb9a359077be1b97ec087a05d740145030675823

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\9264ee7753.exe

        Filesize

        241KB

        MD5

        5866ab1fae31526ed81bfbdf95220190

        SHA1

        75a5e08b3b9ad2dff35dfbbb3ffe8d983c2be25f

        SHA256

        9e1a149370efe9814bf2cbd87acfcfa410d1769efd86a9722da4373d6716d22e

        SHA512

        8d99ab09e84e4ef309da34be94946cbfcffeb1c0ca49e2452deb738d801e551062ebb134f1b99a9baf03003a8e720d525521ce09aeac341d3cba3fcfbc618fb5

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\944d670e7.exe

        Filesize

        312KB

        MD5

        4168326befe9ff224af10c2dd3adbb2c

        SHA1

        39b84077951312529796822e970fde442f10b2ed

        SHA256

        6d5735bc40818aa5725dd06e8145f2d653c9bc64c89e6b1b3b3917f5b6b61770

        SHA512

        494c9f647241d58c6da2a79ecc51ebf1cf6df00c78aa54481ec4f557e8f167304dd7872c96c0b0cd56805d224d286745db86e494091b224a288e05beae075ea5

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\bc0f7de460834e5.exe

        Filesize

        165KB

        MD5

        5f6f8e5a5e6ba53f8f785b575573451d

        SHA1

        97b99adefc3ecca6be60c882b563853091f586ef

        SHA256

        6f8a7657b62f79b148d6b930641ef70eb0d8bc909377439819a0db601ca1c0d8

        SHA512

        ff6491641fc985bd03421e8565b36322017da9a647015bcc399b3ca73c675749d3e22eee5e437283b22b6a05240f6bd1bf8eddc0ef3be233fd8c40fe82fead05

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\cd9ed711254.exe

        Filesize

        649KB

        MD5

        ae0c81e67caea27ab164697a6e82c4fe

        SHA1

        7478f88ae345623eb67792b9ea719e0ec6480bbf

        SHA256

        0ee36078c94b22714e3e44b355e5e129e63bff8df02f0df13a2b1ff207f0f5f5

        SHA512

        80cd1f932a946f6567debd0b1cbfad7214034da471f85609bc41a9fdc845417adca87261044ac2011279d69160f38d438e44336ae7447a7c7bc855a6de30d25b

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\libcurl.dll

        Filesize

        218KB

        MD5

        d09be1f47fd6b827c81a4812b4f7296f

        SHA1

        028ae3596c0790e6d7f9f2f3c8e9591527d267f7

        SHA256

        0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

        SHA512

        857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\libcurlpp.dll

        Filesize

        54KB

        MD5

        e6e578373c2e416289a8da55f1dc5e8e

        SHA1

        b601a229b66ec3d19c2369b36216c6f6eb1c063e

        SHA256

        43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

        SHA512

        9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\libgcc_s_dw2-1.dll

        Filesize

        113KB

        MD5

        9aec524b616618b0d3d00b27b6f51da1

        SHA1

        64264300801a353db324d11738ffed876550e1d3

        SHA256

        59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

        SHA512

        0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\libstdc++-6.dll

        Filesize

        647KB

        MD5

        5e279950775baae5fea04d2cc4526bcc

        SHA1

        8aef1e10031c3629512c43dd8b0b5d9060878453

        SHA256

        97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

        SHA512

        666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\libwinpthread-1.dll

        Filesize

        69KB

        MD5

        1e0d62c34ff2e649ebc5c372065732ee

        SHA1

        fcfaa36ba456159b26140a43e80fbd7e9d9af2de

        SHA256

        509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

        SHA512

        3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\setup_install.exe

        Filesize

        4.2MB

        MD5

        512e7c6981a3c5a4fe65a4b2ae42cb75

        SHA1

        87bee758506ae4e22c221b65aaa47b697404a2c6

        SHA256

        61a8b4929b9b61411b8af256cb4d1813ab80fca153e6edb18990959496c52a94

        SHA512

        abd324760aecfac9decdd1883e75f4f22d9693e39d6a7dd395f64d12db2c8a6cf869574d7cd2848af02ad45269ba9c161dc99c4cbdf9ff0e430eeb435e925f52

      • C:\Users\Admin\AppData\Local\Temp\7zS05B45497\setup_install.exe

        Filesize

        2.5MB

        MD5

        f90360d79f05a2bce3ff30decdc7ab8a

        SHA1

        642ce3f162cfd831ae441e1c7008a85156e4bfc7

        SHA256

        3d077f8f9e465b096f0d119ac1b03660a4b71a6cbc030f6ae3a699f4e76ffcfb

        SHA512

        686ef2cde3300d845ae64a4a6c85dc8b532d9cf33e47ee4421671d49a8eefc5d6bfb18a9635c772cf8203e260f138e0061d0cdf896c2d58d37949d0f1dedcf4a

      • memory/1208-93-0x0000000000400000-0x0000000000959000-memory.dmp

        Filesize

        5.3MB

      • memory/1208-112-0x0000000000BB0000-0x0000000000C4D000-memory.dmp

        Filesize

        628KB

      • memory/1208-111-0x0000000000400000-0x0000000000959000-memory.dmp

        Filesize

        5.3MB

      • memory/1208-92-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

        Filesize

        1024KB

      • memory/1208-90-0x0000000000BB0000-0x0000000000C4D000-memory.dmp

        Filesize

        628KB

      • memory/1496-88-0x00000000009B0000-0x0000000000AB0000-memory.dmp

        Filesize

        1024KB

      • memory/1496-114-0x0000000000400000-0x0000000000905000-memory.dmp

        Filesize

        5.0MB

      • memory/1496-91-0x0000000000400000-0x0000000000905000-memory.dmp

        Filesize

        5.0MB

      • memory/1496-89-0x00000000001E0000-0x00000000001E9000-memory.dmp

        Filesize

        36KB

      • memory/2456-98-0x00007FF95F410000-0x00007FF95FED1000-memory.dmp

        Filesize

        10.8MB

      • memory/2456-86-0x000000001B390000-0x000000001B3A0000-memory.dmp

        Filesize

        64KB

      • memory/2456-72-0x00007FF95F410000-0x00007FF95FED1000-memory.dmp

        Filesize

        10.8MB

      • memory/2456-62-0x0000000000740000-0x0000000000770000-memory.dmp

        Filesize

        192KB

      • memory/2456-69-0x00000000028D0000-0x00000000028D6000-memory.dmp

        Filesize

        24KB

      • memory/2456-81-0x00000000028E0000-0x0000000002902000-memory.dmp

        Filesize

        136KB

      • memory/2456-85-0x0000000002910000-0x0000000002916000-memory.dmp

        Filesize

        24KB

      • memory/2612-68-0x0000000000A90000-0x0000000000A98000-memory.dmp

        Filesize

        32KB

      • memory/2612-83-0x00007FF95F410000-0x00007FF95FED1000-memory.dmp

        Filesize

        10.8MB

      • memory/2612-84-0x000000001B780000-0x000000001B790000-memory.dmp

        Filesize

        64KB

      • memory/3372-113-0x0000000003240000-0x0000000003256000-memory.dmp

        Filesize

        88KB

      • memory/4604-36-0x0000000064940000-0x0000000064959000-memory.dmp

        Filesize

        100KB

      • memory/4604-99-0x000000006EB40000-0x000000006EB63000-memory.dmp

        Filesize

        140KB

      • memory/4604-37-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/4604-33-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/4604-34-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/4604-38-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/4604-30-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/4604-95-0x0000000000400000-0x000000000071E000-memory.dmp

        Filesize

        3.1MB

      • memory/4604-32-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/4604-31-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/4604-100-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/4604-101-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/4604-97-0x000000006B440000-0x000000006B4CF000-memory.dmp

        Filesize

        572KB

      • memory/4604-96-0x0000000064940000-0x0000000064959000-memory.dmp

        Filesize

        100KB

      • memory/4604-41-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/4604-40-0x000000006B280000-0x000000006B2A6000-memory.dmp

        Filesize

        152KB

      • memory/4604-35-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB

      • memory/4604-39-0x000000006FE40000-0x000000006FFC6000-memory.dmp

        Filesize

        1.5MB