Analysis

  • max time kernel
    21s
  • max time network
    25s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 00:02

General

  • Target

    setup_installer.exe

  • Size

    2.6MB

  • MD5

    8dc372ce5ee18b0b17a2dd684dafe3f4

  • SHA1

    79797774299499f48b73fd0b33886c3518939be4

  • SHA256

    8a1ac8fa80452bdf92dccba3b48a37286a3ccb6f2621209c699f5cb734599fa6

  • SHA512

    ac1a88ef641773e0f33ae6f73959e5138a8cdb86a24e2b33b95628831f45ab8914a4c7012150278cea0b8f31781de6a89995837548195f4a7044ff10f7b056b9

  • SSDEEP

    49152:xcBrPkZVi7iKiF8cUvFyPf9ttLwTXgp3oC2yI8spQSuJzlEwJ84vLRaBtIl9mTT6:xnri7ixZUvFyPf9ttLwTmn8QReCvLUBU

Malware Config

Extracted

Family

nullmixer

C2

http://sokiran.xyz/

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.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.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 3 IoCs
  • ASPack v2.12-2.42 4 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 8 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 9 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 50 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 48 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
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Users\Admin\AppData\Local\Temp\7zS85286607\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS85286607\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_1.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2316
        • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_1.exe
          sonia_1.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3964
          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_1.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_1.exe" -a
            5⤵
            • Executes dropped EXE
            PID:3992
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_2.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4600
        • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_2.exe
          sonia_2.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:4440
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 384
            5⤵
            • Program crash
            PID:1336
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_3.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1844
        • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_3.exe
          sonia_3.exe
          4⤵
          • Executes dropped EXE
          PID:3056
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 1060
            5⤵
            • Program crash
            PID:3396
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_4.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3272
        • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_4.exe
          sonia_4.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:5060
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_5.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4816
        • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_5.exe
          sonia_5.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:5036
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_6.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1608
        • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_6.exe
          sonia_6.exe
          4⤵
          • Executes dropped EXE
          PID:2288
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_7.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_7.exe
          sonia_7.exe
          4⤵
          • Executes dropped EXE
          PID:4984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 544
        3⤵
        • Program crash
        PID:4764
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1012 -ip 1012
    1⤵
      PID:4628
    • C:\Windows\system32\rUNdlL32.eXe
      rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3048
      • C:\Windows\SysWOW64\rundll32.exe
        rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
        2⤵
        • Loads dropped DLL
        PID:2984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 600
          3⤵
          • Program crash
          PID:760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2984 -ip 2984
      1⤵
        PID:4900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3056 -ip 3056
        1⤵
          PID:2924
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4440 -ip 4440
          1⤵
            PID:4904
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            1⤵
            • Checks SCSI registry key(s)
            • Enumerates system info in registry
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            PID:4776

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\libcurl.dll

            Filesize

            218KB

            MD5

            d09be1f47fd6b827c81a4812b4f7296f

            SHA1

            028ae3596c0790e6d7f9f2f3c8e9591527d267f7

            SHA256

            0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

            SHA512

            857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\libcurlpp.dll

            Filesize

            54KB

            MD5

            e6e578373c2e416289a8da55f1dc5e8e

            SHA1

            b601a229b66ec3d19c2369b36216c6f6eb1c063e

            SHA256

            43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

            SHA512

            9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\libgcc_s_dw2-1.dll

            Filesize

            113KB

            MD5

            9aec524b616618b0d3d00b27b6f51da1

            SHA1

            64264300801a353db324d11738ffed876550e1d3

            SHA256

            59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

            SHA512

            0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\libstdc++-6.dll

            Filesize

            647KB

            MD5

            5e279950775baae5fea04d2cc4526bcc

            SHA1

            8aef1e10031c3629512c43dd8b0b5d9060878453

            SHA256

            97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

            SHA512

            666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\libwinpthread-1.dll

            Filesize

            69KB

            MD5

            1e0d62c34ff2e649ebc5c372065732ee

            SHA1

            fcfaa36ba456159b26140a43e80fbd7e9d9af2de

            SHA256

            509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

            SHA512

            3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\setup_install.exe

            Filesize

            290KB

            MD5

            a79a22342247d1376ef3b4b1eb6384b8

            SHA1

            75eed603e901eadf313a4be13e6e79e278648c85

            SHA256

            beb34b80c90025587cf08d99d4a58a5160f6ffe7f6b8b81b0e91ebbdc65d9669

            SHA512

            436f01ac7ee4bc3fac8a230c69b16303736dbe92c7fb5d7ab544ce83e0c230fdb02dce8c82647e797070e7e7e5398eb0d328998c3a7b85450221d34cac93d219

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_1.txt

            Filesize

            712KB

            MD5

            6e43430011784cff369ea5a5ae4b000f

            SHA1

            5999859a9ddfcc66e41ff301b0eeb92ef0ce5b9f

            SHA256

            a5ab29e6fc308d1fe9fd056e960d7ccd474e2d22fb6a799d07086ec715a89d9a

            SHA512

            33ef732056182b9ab073d2eacfd71d3f1cb969ee038a19336fb5e0263a4e870742082c756a57010a26e7eab747a2332523d638f2570b8070b933bf957d2dea96

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_2.exe

            Filesize

            204KB

            MD5

            ecb2826de42082536ee85e60a4c3c11c

            SHA1

            4b86042536e6f46eb4fe2d652b59fb087b4a7a51

            SHA256

            95c73f712482226ae243af49cf9fcbb54ce8e5cd1b3d95f1d352fc47834df582

            SHA512

            ad3b47fbfd0831b4592b5a4038b85274f528328d66c4b25af7ff95d10486a7b7c985ee439b3344334a9a58ab4aee7d8b707f06afd9b8972ae219a1c09dc54a17

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_3.exe

            Filesize

            571KB

            MD5

            51d8ea24544f0849068486309724edae

            SHA1

            e7782d4a1e9848003c3b83a1258baaec9a1b4cf7

            SHA256

            ee0156f65ea9aea1570425e9bbf2f2c8b26d0d2043edee2e9e9c8adcca8b3108

            SHA512

            3e77a1b9b2bfd403f2089c4ddf2bd82673435487914ca4ed142a352edf1d4032c9f0994c798cafb331534be6fcf28396d44d4afe6084ce28685da19f617e8453

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_4.txt

            Filesize

            8KB

            MD5

            d2a0c6939e1be294a7a5a0369438dbc4

            SHA1

            734eca2ed021b9cf19ca501a8ddf0aaa15692464

            SHA256

            09178780a1df7364d0b38580b40ccaa528c3f309bbc0239c98e61d464e8a32f7

            SHA512

            25b4788403e0796958f6700074889cedcfbd7e75192e9386d47e719b38683f2548afe96280371ebfbe82b310589adf623966edbfcb22c89332d46bd6a2827dfa

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_5.txt

            Filesize

            117KB

            MD5

            d7f14c5cbe7e0c233ea94def38069b52

            SHA1

            dbba8c3ee5ef8b0547a821dba0e37f75cc512b9d

            SHA256

            979e083ec4eb19f6e1a15c0fed11a9006a6274b1aa55e525eb77a423aeb042c9

            SHA512

            98df322877b1aa56d5df45632d6f0b305829cf633d2d74fde84f37394127162835174bb412561f8c52f5c79ec230a3cb165fcacab7f954108bf2e0f0fdbc36f7

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_6.txt

            Filesize

            1.0MB

            MD5

            e44b6cb9e7111de178fbabf3ac1cba76

            SHA1

            b15d8d52864a548c42a331a574828824a65763ff

            SHA256

            c74894fe98864ade516c9e54f2258a23ed451feadfa2de53a7c626385b549b22

            SHA512

            24129e1de024d61bcc23654450f416307be3e7911de2baced47476e02cd7df737ce012f379eb0ea5d84367113619f53d6a80971ccc652a569d6b494150bbb6bf

          • C:\Users\Admin\AppData\Local\Temp\7zS85286607\sonia_7.txt

            Filesize

            244KB

            MD5

            0bc56e17cb974ddd06782939dcee2606

            SHA1

            459f61b929c5925327eaa8495bf401cac9e2814f

            SHA256

            76ef9d99c7e37d132f6803ec46f8e2663b1cc282a5d2022946f1598965673fa1

            SHA512

            d260597ac09d2e6109fdbf7e5ca5817b73f3ed690529da067d2dbcde8d35959018837beb3ea7183f6f4ce52b911996d07f0b9712274021cc20bfbcc2c5e7fc1e

          • C:\Users\Admin\AppData\Local\Temp\CC4F.tmp

            Filesize

            1.6MB

            MD5

            4f3387277ccbd6d1f21ac5c07fe4ca68

            SHA1

            e16506f662dc92023bf82def1d621497c8ab5890

            SHA256

            767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

            SHA512

            9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

          • C:\Users\Admin\AppData\Local\Temp\axhub.dat

            Filesize

            552KB

            MD5

            99ab358c6f267b09d7a596548654a6ba

            SHA1

            d5a643074b69be2281a168983e3f6bef7322f676

            SHA256

            586339f93c9c0eed8a42829ab307f2c5381a636edbcf80df3770c27555034380

            SHA512

            952040785a3c1dcaea613d2e0d46745d5b631785d26de018fd9f85f8485161d056bf67b19c96ae618d35de5d5991a0dd549d749949faea7a2e0f9991a1aa2b2b

          • C:\Users\Admin\AppData\Local\Temp\axhub.dll

            Filesize

            73KB

            MD5

            1c7be730bdc4833afb7117d48c3fd513

            SHA1

            dc7e38cfe2ae4a117922306aead5a7544af646b8

            SHA256

            8206b4b3897ca45b9e083273f616902966e57091516844906e6ae2aefe63cef1

            SHA512

            7936c862a06b7ecdb6710a1bb62cbea149f75504b580c2f100945674c987f3eec53e9aa5915e32b4f74bcf46f2df9468f68a454400faebd909f933e8072e0f2e

          • memory/1012-45-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1012-53-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1012-55-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1012-57-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1012-58-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1012-59-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1012-60-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1012-61-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1012-62-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1012-63-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1012-48-0x00000000007A0000-0x000000000082F000-memory.dmp

            Filesize

            572KB

          • memory/1012-50-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1012-52-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1012-99-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1012-54-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1012-51-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1012-32-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1012-46-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1012-56-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1012-49-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1012-104-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1012-103-0x000000006EB40000-0x000000006EB63000-memory.dmp

            Filesize

            140KB

          • memory/1012-102-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1012-101-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1012-47-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1012-97-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/3056-105-0x0000000000920000-0x0000000000A20000-memory.dmp

            Filesize

            1024KB

          • memory/3056-106-0x0000000002580000-0x000000000261D000-memory.dmp

            Filesize

            628KB

          • memory/3056-122-0x0000000000400000-0x00000000008F9000-memory.dmp

            Filesize

            5.0MB

          • memory/3056-107-0x0000000000400000-0x00000000008F9000-memory.dmp

            Filesize

            5.0MB

          • memory/3316-123-0x0000000002520000-0x0000000002535000-memory.dmp

            Filesize

            84KB

          • memory/4440-100-0x0000000000400000-0x000000000089D000-memory.dmp

            Filesize

            4.6MB

          • memory/4440-98-0x00000000009C0000-0x00000000009C9000-memory.dmp

            Filesize

            36KB

          • memory/4440-126-0x0000000000400000-0x000000000089D000-memory.dmp

            Filesize

            4.6MB

          • memory/4440-92-0x0000000000A40000-0x0000000000B40000-memory.dmp

            Filesize

            1024KB

          • memory/5036-85-0x0000000000D80000-0x0000000000D9E000-memory.dmp

            Filesize

            120KB

          • memory/5036-83-0x00007FF8731A0000-0x00007FF873C61000-memory.dmp

            Filesize

            10.8MB

          • memory/5036-112-0x00007FF8731A0000-0x00007FF873C61000-memory.dmp

            Filesize

            10.8MB

          • memory/5036-84-0x00000000005A0000-0x00000000005C6000-memory.dmp

            Filesize

            152KB

          • memory/5036-86-0x000000001B240000-0x000000001B250000-memory.dmp

            Filesize

            64KB

          • memory/5060-80-0x00007FF8731A0000-0x00007FF873C61000-memory.dmp

            Filesize

            10.8MB

          • memory/5060-81-0x00000000024B0000-0x00000000024C0000-memory.dmp

            Filesize

            64KB

          • memory/5060-76-0x0000000000290000-0x0000000000298000-memory.dmp

            Filesize

            32KB

          • memory/5060-127-0x00007FF8731A0000-0x00007FF873C61000-memory.dmp

            Filesize

            10.8MB

          • memory/5060-128-0x00000000024B0000-0x00000000024C0000-memory.dmp

            Filesize

            64KB