Resubmissions

04/03/2024, 11:53

240304-n2lpaahf5w10

04/03/2024, 11:53

240304-n2crdaaf8610

04/03/2024, 03:09

240304-dnkvqagd5t10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04/03/2024, 03:09

General

  • Target
    setup_installer.exe
  • Size 3.3MB
  • Sample240304-dnkvqagd5t
  • SHA256 6bc9c4e5a88eaa95550d066ff02f0d45b6bd2a93fbcb72b562c6c65ce06bb900
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nullmixer

C2
  • http://watira.xyz/

Extracted

Family
  • smokeloader

Botnet
  • pub5

Extracted

Family
  • ffdroider

C2
  • http://186.2.171.3

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

  • FFDroider

    Stealer targeting social media platform users first seen in April 2022.

  • FFDroider payload 3 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.

  • 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 4 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 46 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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.

  • 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.

  • Modifies system certificate store 2 TTPs 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 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⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 6eee9f336da6fcf1.exe
        3⤵
        • Loads dropped DLL
        PID:2880
        • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\6eee9f336da6fcf1.exe
          6eee9f336da6fcf1.exe
          4⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:672
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c c98f61652.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\c98f61652.exe
          c98f61652.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:2492
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 01a389215e4.exe
        3⤵
        • Loads dropped DLL
        PID:2592
        • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\01a389215e4.exe
          01a389215e4.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:2660
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c APPNAME33.exe
        3⤵
          PID:2720
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 9e27a03aab64665.exe
          3⤵
          • Loads dropped DLL
          PID:2396
          • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\9e27a03aab64665.exe
            9e27a03aab64665.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:1720
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 980
              5⤵
              • Loads dropped DLL
              • Program crash
              PID:2536
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 1a693a205739887.exe
          3⤵
          • Loads dropped DLL
          PID:2420
          • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\1a693a205739887.exe
            1a693a205739887.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:2140
            • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\1a693a205739887.exe
              "C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\1a693a205739887.exe" -a
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:1456
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c efd22e6e99d7ee86.exe
          3⤵
          • Loads dropped DLL
          PID:2444
          • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\efd22e6e99d7ee86.exe
            efd22e6e99d7ee86.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:2496
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c 626c1e3ded0b288.exe
          3⤵
          • Loads dropped DLL
          PID:2904
          • C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\626c1e3ded0b288.exe
            626c1e3ded0b288.exe
            4⤵
            • Executes dropped EXE
            • Modifies system certificate store
            • Suspicious use of AdjustPrivilegeToken
            PID:1940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 420
          3⤵
          • Loads dropped DLL
          • Program crash
          PID:2868

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
          • Size 67KB
          • SHA256 b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78
          • MD5 SHA1 SHA512 SSDEEP

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 b43cf705c114ffea179e2131057b4f8a81e96e09f45ca4425f6d896d2c3ac962
          • MD5 SHA1 SHA512

          01a389215e4.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\01a389215e4.exe
          • Size 1.5MB
          • SHA256 af98bdb23ccaabb2e6062675805d020a7b47b759cf0637baeed023b09bf06db9
          • MD5 SHA1 SHA512 SSDEEP

          libwinpthread-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\libwinpthread-1.dll
          • Size 69KB
          • SHA256 509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 2.1MB
          • SHA256 c05d6005e90f147d5ada5def4424ee496ecc833356eb21b50a3b5f78f31ab6db
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 448KB
          • SHA256 083f304ccb0760bceee6180fd20aa5976ae72957c219fe411646466c773426b4
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 1.9MB
          • SHA256 96b51c9551e5c64b838745afba96cea7248beaec2eac2598d942a569ac106a07
          • MD5 SHA1 SHA512 SSDEEP

          Cab588C.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Cab588C.tmp
          • Size 65KB
          • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
          • MD5 SHA1 SHA512 SSDEEP

          Tar5BCB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tar5BCB.tmp
          • Size 175KB
          • SHA256 a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22
          • MD5 SHA1 SHA512 SSDEEP

          01a389215e4.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\01a389215e4.exe
          • Size 1.6MB
          • SHA256 842ccabd5c1fc964bedde621b4a71e2f3d9b312a1f8918f1750aa04b7ba9af74
          • MD5 SHA1 SHA512 SSDEEP

          01a389215e4.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\01a389215e4.exe
          • Size 1.4MB
          • SHA256 401336a490ab3dda76ba3407c16f6df94636fc55d0f83b5a65587c9076fb0844
          • MD5 SHA1 SHA512 SSDEEP

          1a693a205739887.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\1a693a205739887.exe
          • Size 56KB
          • SHA256 78958d664b1c140f2b45e56c4706108eeb5f14756977e2efd3409f8a788d3c98
          • MD5 SHA1 SHA512 SSDEEP

          626c1e3ded0b288.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\626c1e3ded0b288.exe
          • Size 179KB
          • SHA256 7630e0e9979dd2ff88393c5dff4a0b638aac88c9ce8a3bdeb16cf78c18de5df1
          • MD5 SHA1 SHA512 SSDEEP

          6eee9f336da6fcf1.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\6eee9f336da6fcf1.exe
          • Size 8KB
          • SHA256 d9008ee980c17de8330444223b212f1b6a441f217753471c76f5f6ed5857a7d6
          • MD5 SHA1 SHA512 SSDEEP

          9e27a03aab64665.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\9e27a03aab64665.exe
          • Size 64KB
          • SHA256 cdc3f10a10452cf26e1e53590a0aaca61c82ee318715735db1d35cf76a5df453
          • MD5 SHA1 SHA512 SSDEEP

          9e27a03aab64665.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\9e27a03aab64665.exe
          • Size 582KB
          • SHA256 ec2f50a7156383b9d3ea50429c2f2c15e2857045b3b3ac0c7e2947c6489eceb6
          • MD5 SHA1 SHA512 SSDEEP

          c98f61652.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\c98f61652.exe
          • Size 215KB
          • SHA256 38783231ccacb73543d658b3acd6d834b5c9bf8ff2b4fdc6c16c73b7707433d4
          • MD5 SHA1 SHA512 SSDEEP

          efd22e6e99d7ee86.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\efd22e6e99d7ee86.exe
          • Size 1.2MB
          • SHA256 a62cee3d2610ed0f693179838803e5c60dcd4f68028c60f5761b90c750125e11
          • MD5 SHA1 SHA512 SSDEEP

          libcurl.dll

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\libcurl.dll
          • Size 218KB
          • SHA256 0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
          • MD5 SHA1 SHA512 SSDEEP

          libcurlpp.dll

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\libcurlpp.dll
          • Size 54KB
          • SHA256 43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f
          • MD5 SHA1 SHA512 SSDEEP

          libgcc_s_dw2-1.dll

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\libgcc_s_dw2-1.dll
          • Size 113KB
          • SHA256 59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
          • MD5 SHA1 SHA512 SSDEEP

          libstdc++-6.dll

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\libstdc++-6.dll
          • Size 647KB
          • SHA256 97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 2.1MB
          • SHA256 aa46ed8d9b370e2746f23635ee84ef58328c0720374008e5db84013b2428b821
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 1024KB
          • SHA256 0fed3048dd03657429e899ea676b9be75420a8ba75e6e2e2e8ba0f6124840083
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 5.9MB
          • SHA256 5c80f27dbdc4d89f9c7356c6107eb106aebb556df1818ac94b72ff7b94a3c82a
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 960KB
          • SHA256 545bf4ca06afde6f1d885876721b4e862cf391c5bfb935bce79ab9e6e9b54fa1
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 1.9MB
          • SHA256 eb30e5252c4644eadf62a649e3bede80013bf3552d0c530dd67e36503314ecd9
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 1.8MB
          • SHA256 f8ddf0859c8d198dc66619cfe18ee3a10f2922bea4c54f7c06986f12c46a46f4
          • MD5 SHA1 SHA512 SSDEEP

          setup_install.exe

          • Path \Users\Admin\AppData\Local\Temp\7zSCA8C9916\setup_install.exe
          • Size 1.8MB
          • SHA256 ec10b4e0e705b149b5a6568323c5cdae6c4b23ac974869baf9bcbd6368413b44
          • MD5 SHA1 SHA512 SSDEEP

          memory/672-172-0x0000000000B00000-0x0000000000B08000-memory.dmp

          memory/672-234-0x000000001B0D0000-0x000000001B150000-memory.dmp

          memory/672-384-0x000000001B0D0000-0x000000001B150000-memory.dmp

          memory/672-383-0x000007FEF61B0000-0x000007FEF6B9C000-memory.dmp

          memory/672-223-0x000007FEF61B0000-0x000007FEF6B9C000-memory.dmp

          memory/1260-137-0x0000000002C30000-0x0000000002C46000-memory.dmp

          memory/1720-230-0x0000000000400000-0x0000000002CC8000-memory.dmp

          memory/1720-118-0x00000000045C0000-0x000000000465D000-memory.dmp

          memory/1720-117-0x0000000002E70000-0x0000000002F70000-memory.dmp

          memory/1720-381-0x00000000045C0000-0x000000000465D000-memory.dmp

          memory/1720-380-0x0000000002E70000-0x0000000002F70000-memory.dmp

          memory/1720-121-0x0000000000400000-0x0000000002CC8000-memory.dmp

          memory/1940-187-0x00000000002D0000-0x00000000002F2000-memory.dmp

          memory/1940-231-0x000007FEF61B0000-0x000007FEF6B9C000-memory.dmp

          memory/1940-233-0x000000001AE60000-0x000000001AEE0000-memory.dmp

          memory/1940-188-0x0000000000500000-0x0000000000506000-memory.dmp

          memory/1940-186-0x00000000002C0000-0x00000000002C6000-memory.dmp

          memory/1940-360-0x000007FEF61B0000-0x000007FEF6B9C000-memory.dmp

          memory/1940-173-0x0000000000C70000-0x0000000000CA2000-memory.dmp

          memory/2444-100-0x00000000022E0000-0x0000000002639000-memory.dmp

          memory/2444-109-0x00000000022E0000-0x0000000002639000-memory.dmp

          memory/2444-369-0x00000000022E0000-0x0000000002639000-memory.dmp

          memory/2444-368-0x00000000022E0000-0x0000000002639000-memory.dmp

          memory/2492-73-0x0000000002D10000-0x0000000002E10000-memory.dmp

          memory/2492-74-0x0000000000240000-0x0000000000249000-memory.dmp

          memory/2492-171-0x0000000000240000-0x0000000000249000-memory.dmp

          memory/2492-138-0x0000000000400000-0x0000000002C6C000-memory.dmp

          memory/2492-97-0x0000000000400000-0x0000000002C6C000-memory.dmp

          memory/2496-101-0x0000000000400000-0x0000000000759000-memory.dmp

          memory/2496-373-0x0000000000400000-0x0000000000759000-memory.dmp

          memory/2496-371-0x0000000000F40000-0x0000000001299000-memory.dmp

          memory/2496-370-0x0000000000400000-0x0000000000759000-memory.dmp

          memory/2496-112-0x0000000000F40000-0x0000000001299000-memory.dmp

          memory/2496-111-0x0000000000F40000-0x0000000001299000-memory.dmp

          memory/2520-48-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          memory/2520-28-0x000000006B280000-0x000000006B2A6000-memory.dmp

          memory/2520-226-0x000000006B280000-0x000000006B2A6000-memory.dmp

          memory/2520-225-0x0000000064940000-0x0000000064959000-memory.dmp

          memory/2520-227-0x000000006B440000-0x000000006B4CF000-memory.dmp

          memory/2520-49-0x000000006B280000-0x000000006B2A6000-memory.dmp

          memory/2520-229-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          memory/2520-228-0x000000006EB40000-0x000000006EB63000-memory.dmp

          memory/2520-44-0x000000006B440000-0x000000006B4CF000-memory.dmp

          memory/2520-232-0x000000006B440000-0x000000006B4CF000-memory.dmp

          memory/2520-45-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          memory/2520-224-0x0000000000400000-0x00000000008E1000-memory.dmp

          memory/2520-32-0x000000006B440000-0x000000006B4CF000-memory.dmp

          memory/2520-51-0x000000006B280000-0x000000006B2A6000-memory.dmp

          memory/2520-50-0x000000006B280000-0x000000006B2A6000-memory.dmp

          memory/2520-47-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          memory/2520-46-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          memory/2520-122-0x0000000064940000-0x0000000064959000-memory.dmp

          memory/2520-35-0x000000006FE40000-0x000000006FFC6000-memory.dmp

          memory/2520-41-0x000000006B440000-0x000000006B4CF000-memory.dmp

          memory/2520-43-0x000000006B440000-0x000000006B4CF000-memory.dmp

          memory/2520-40-0x0000000064940000-0x0000000064959000-memory.dmp