Analysis

  • max time kernel
    114s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-04-2024 05:41

General

  • Target

    setup_installer.exe

  • Size

    2.6MB

  • MD5

    5f602e4e99943fb97e71990ce6eaab90

  • SHA1

    aa7fd6f5ea73074ae64a989469fcc14a6ac3e2f3

  • SHA256

    3cee28ef52c59c99b841c6927f5085e483523cb8b606ff9ce5d60b3c13574545

  • SHA512

    db30274ca70ad39daf7643bf6d21ff338bdb0b39510f09e215d8440a534e47bb32460587a92c76fd8f3549a850dea43aa77b8dedb48481f221de05e451d95312

  • SSDEEP

    49152:xcBIPkZVi7iKiF8cUvFyP2jckAjxt3htaPkvAesMMOZEwJ84vLRaBtIl9mTzKJJ:xuri7ixZUvFyPScjVt4j/hCvLUBsK+n

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

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • 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.

  • Process spawned unexpected child process 1 IoCs

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

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • 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 7 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 3 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 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:3124
    • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_1.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3136
        • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_1.exe
          sonia_1.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_1.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_1.exe" -a
            5⤵
            • Executes dropped EXE
            PID:2636
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_2.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1248
        • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\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:1956
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_3.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3096
        • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_3.exe
          sonia_3.exe
          4⤵
          • Executes dropped EXE
          PID:4824
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 1812
            5⤵
            • Program crash
            PID:3412
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_4.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4452
        • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_4.exe
          sonia_4.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1620
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_5.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4228
        • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_5.exe
          sonia_5.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2496
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_6.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1032
        • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_6.exe
          sonia_6.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          PID:3784
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c sonia_7.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3920
        • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_7.exe
          sonia_7.exe
          4⤵
          • Executes dropped EXE
          PID:3556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 476
        3⤵
        • Program crash
        PID:4080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1684 -ip 1684
    1⤵
      PID:2160
    • 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:716
      • C:\Windows\SysWOW64\rundll32.exe
        rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
        2⤵
        • Loads dropped DLL
        PID:1216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 600
          3⤵
          • Program crash
          PID:932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1216 -ip 1216
      1⤵
        PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4824 -ip 4824
        1⤵
          PID:2524
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
            PID:4540

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\libcurl.dll

            Filesize

            218KB

            MD5

            d09be1f47fd6b827c81a4812b4f7296f

            SHA1

            028ae3596c0790e6d7f9f2f3c8e9591527d267f7

            SHA256

            0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

            SHA512

            857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\libcurlpp.dll

            Filesize

            54KB

            MD5

            e6e578373c2e416289a8da55f1dc5e8e

            SHA1

            b601a229b66ec3d19c2369b36216c6f6eb1c063e

            SHA256

            43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

            SHA512

            9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\libgcc_s_dw2-1.dll

            Filesize

            113KB

            MD5

            9aec524b616618b0d3d00b27b6f51da1

            SHA1

            64264300801a353db324d11738ffed876550e1d3

            SHA256

            59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

            SHA512

            0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\libstdc++-6.dll

            Filesize

            647KB

            MD5

            5e279950775baae5fea04d2cc4526bcc

            SHA1

            8aef1e10031c3629512c43dd8b0b5d9060878453

            SHA256

            97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

            SHA512

            666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\libwinpthread-1.dll

            Filesize

            69KB

            MD5

            1e0d62c34ff2e649ebc5c372065732ee

            SHA1

            fcfaa36ba456159b26140a43e80fbd7e9d9af2de

            SHA256

            509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

            SHA512

            3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\setup_install.exe

            Filesize

            287KB

            MD5

            faffc067194d9615096eb7d0022cc738

            SHA1

            139604796ce382c379cf958fac55feb1528ab973

            SHA256

            97479680e1841eb68e9ec099011bc83f43b950bc54070a9aecdc030cab21ddb8

            SHA512

            f4e6bd9dbee5a7aa9bab8af5b57b5e06839170c09b18e863977dc4e1edf1759a0936c2f19131985724d01129689bb819423050ad6fccda418b1f41453e537523

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_1.exe

            Filesize

            712KB

            MD5

            6e43430011784cff369ea5a5ae4b000f

            SHA1

            5999859a9ddfcc66e41ff301b0eeb92ef0ce5b9f

            SHA256

            a5ab29e6fc308d1fe9fd056e960d7ccd474e2d22fb6a799d07086ec715a89d9a

            SHA512

            33ef732056182b9ab073d2eacfd71d3f1cb969ee038a19336fb5e0263a4e870742082c756a57010a26e7eab747a2332523d638f2570b8070b933bf957d2dea96

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_2.exe

            Filesize

            202KB

            MD5

            4a958b7f15d342fbaaed26da7b9a5628

            SHA1

            25e663702193dc851e7fd57005ef45d9e65077f4

            SHA256

            5b397fc6966368fc4b2c3302e0aa529d14de521a1ff2810a8145a7c574fa7709

            SHA512

            dab2955ea896b36f8c8854157dbee975afc13efb53335c940f2efc6d13aae7aafdd515fa156c866d243a93edf16ba20e1884559ed7621b7a1a4d26091980f43e

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_3.exe

            Filesize

            568KB

            MD5

            f809c50b80f2174789110a600b275b37

            SHA1

            20aa7fb314365ede1fbf5a25df1f29395abf1cd0

            SHA256

            f051c8c9fa1df14467635a1988bce0810b813979200405de9973059569d35dd7

            SHA512

            b846f75c7aae9216fce720155fd3fc93941b7df12eea3f3af1b93acef03121904d3baf76fdb26cdb0573391a394d3dbb260cc6bd71cae5b02eb31452129eed0e

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_4.exe

            Filesize

            8KB

            MD5

            3338af5387be57396e2ab03cdd18271f

            SHA1

            e60e505a56fedd2f91e0ac4ec7267c270b86ebc3

            SHA256

            396adb904ebd81c2996a01520af921ef4bffedaf45b65d50d158e95a10c2b943

            SHA512

            f1173732a3a1e20c89f3c354bcaf9d9b737526dce6697044cfa65d130ec120f1b75148d6c7b881af892c507b112c050dc2218b71e9522f88da6aff2015524b33

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_5.exe

            Filesize

            156KB

            MD5

            7ec7b612ff4f9771629ae397c77baf18

            SHA1

            0e10994968563b5f11dcbbb965023bc2404142e3

            SHA256

            f64759837bbb18960f5acab25fb18404c7bdb46312676672134ac2c00454befb

            SHA512

            07b5651fba5595456fe456c08783e613fe7c7c44805b910853a5c4d61fa2f25c6eb3bad39798c7459bc93b0805f2729b6f3200b635b88fac0d5afae23558ea67

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_6.exe

            Filesize

            1.0MB

            MD5

            e44b6cb9e7111de178fbabf3ac1cba76

            SHA1

            b15d8d52864a548c42a331a574828824a65763ff

            SHA256

            c74894fe98864ade516c9e54f2258a23ed451feadfa2de53a7c626385b549b22

            SHA512

            24129e1de024d61bcc23654450f416307be3e7911de2baced47476e02cd7df737ce012f379eb0ea5d84367113619f53d6a80971ccc652a569d6b494150bbb6bf

          • C:\Users\Admin\AppData\Local\Temp\7zS43CCF267\sonia_7.exe

            Filesize

            241KB

            MD5

            7eef13ea166d4795e7e2df97f6a97199

            SHA1

            f80c5425a60534595c409842d37268213dcc1f92

            SHA256

            22abf0e430b18088dcf4f889e33c8f1bdc9c918f908a2e450ab26a3db18d9d36

            SHA512

            3bfb99aaad774079083e9575c0184760cba8e58c65979a90126d6d292696c4bb66604bb02f7e5b575628269c617a42d943129c1ef56a10dd0c7ba9cf2f79d12f

          • 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/1620-128-0x000000001BBF0000-0x000000001BC00000-memory.dmp

            Filesize

            64KB

          • memory/1620-82-0x000000001BBF0000-0x000000001BC00000-memory.dmp

            Filesize

            64KB

          • memory/1620-81-0x00007FFFB8C20000-0x00007FFFB96E1000-memory.dmp

            Filesize

            10.8MB

          • memory/1620-71-0x0000000000EA0000-0x0000000000EA8000-memory.dmp

            Filesize

            32KB

          • memory/1684-54-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1684-52-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1684-60-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-61-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-62-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-58-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-48-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1684-57-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-56-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1684-55-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1684-53-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1684-51-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1684-32-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-100-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-45-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1684-49-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1684-46-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1684-43-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1684-108-0x000000006FE40000-0x000000006FFC6000-memory.dmp

            Filesize

            1.5MB

          • memory/1684-107-0x000000006EB40000-0x000000006EB63000-memory.dmp

            Filesize

            140KB

          • memory/1684-105-0x000000006B280000-0x000000006B2A6000-memory.dmp

            Filesize

            152KB

          • memory/1684-59-0x0000000000400000-0x000000000051D000-memory.dmp

            Filesize

            1.1MB

          • memory/1684-104-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1684-47-0x000000006B440000-0x000000006B4CF000-memory.dmp

            Filesize

            572KB

          • memory/1684-102-0x0000000064940000-0x0000000064959000-memory.dmp

            Filesize

            100KB

          • memory/1956-93-0x00000000008A0000-0x00000000009A0000-memory.dmp

            Filesize

            1024KB

          • memory/1956-101-0x0000000000400000-0x000000000089C000-memory.dmp

            Filesize

            4.6MB

          • memory/1956-95-0x0000000000BC0000-0x0000000000BC9000-memory.dmp

            Filesize

            36KB

          • memory/1956-126-0x0000000000400000-0x000000000089C000-memory.dmp

            Filesize

            4.6MB

          • memory/2496-85-0x00000000008C0000-0x00000000008E4000-memory.dmp

            Filesize

            144KB

          • memory/2496-86-0x0000000000950000-0x0000000000956000-memory.dmp

            Filesize

            24KB

          • memory/2496-87-0x000000001AEA0000-0x000000001AEB0000-memory.dmp

            Filesize

            64KB

          • memory/2496-110-0x00007FFFB8C20000-0x00007FFFB96E1000-memory.dmp

            Filesize

            10.8MB

          • memory/2496-84-0x00007FFFB8C20000-0x00007FFFB96E1000-memory.dmp

            Filesize

            10.8MB

          • memory/2496-83-0x00000000008B0000-0x00000000008B6000-memory.dmp

            Filesize

            24KB

          • memory/2496-80-0x00000000000E0000-0x0000000000110000-memory.dmp

            Filesize

            192KB

          • memory/3496-124-0x00000000025E0000-0x00000000025F5000-memory.dmp

            Filesize

            84KB

          • memory/4824-106-0x0000000000400000-0x00000000008F8000-memory.dmp

            Filesize

            5.0MB

          • memory/4824-99-0x0000000000920000-0x0000000000A20000-memory.dmp

            Filesize

            1024KB

          • memory/4824-123-0x0000000000400000-0x00000000008F8000-memory.dmp

            Filesize

            5.0MB

          • memory/4824-103-0x0000000000DC0000-0x0000000000E5D000-memory.dmp

            Filesize

            628KB