Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 03:12

General

  • Target
    b65c0ff839f99dc7e62be3f78b625b78.exe
  • Size 4.3MB
  • Sample240306-dp8m6sba59
  • SHA256 2a7a01bdce9c9583c8a67f062615012c3e569fbadcabdc6369c118016acfc248
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nullmixer

C2
  • http://watira.xyz/

Extracted

Family
  • socelars

C2
  • http://www.iyiqian.com/

  • http://www.xxhufdc.top/

  • http://www.uefhkice.xyz/

  • http://www.fcektsy.top/

Extracted

Family
  • smokeloader

Botnet
  • pub5

Extracted

Family
  • vidar

Version
  • 39.9

Botnet
  • 706

C2
  • https://prophefliloc.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

  • 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.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars payload 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 5 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 17 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 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.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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 64 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\b65c0ff839f99dc7e62be3f78b625b78.exe
    "C:\Users\Admin\AppData\Local\Temp\b65c0ff839f99dc7e62be3f78b625b78.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS42984A57\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c df026da6d481.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\df026da6d481.exe
          df026da6d481.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          PID:3520
          • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\df026da6d481.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS42984A57\df026da6d481.exe" -a
            5⤵
            • Executes dropped EXE
            PID:4084
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 7825532f6c2.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\7825532f6c2.exe
          7825532f6c2.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4972
          • C:\Users\Admin\AppData\Local\Temp\chrome2.exe
            "C:\Users\Admin\AppData\Local\Temp\chrome2.exe"
            5⤵
            • Executes dropped EXE
            PID:4288
          • C:\Users\Admin\AppData\Local\Temp\setup.exe
            "C:\Users\Admin\AppData\Local\Temp\setup.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            PID:4364
            • C:\Windows\winnetdriv.exe
              "C:\Users\Admin\AppData\Local\Temp\setup.exe" 1709694747 0
              6⤵
              • Executes dropped EXE
              PID:3188
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c a2a6801744812e74.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3172
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\a2a6801744812e74.exe
          a2a6801744812e74.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4332
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c e7536a043.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3180
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\e7536a043.exe
          e7536a043.exe
          4⤵
          • Executes dropped EXE
          PID:4616
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c a1b28248bb94015.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3768
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\a1b28248bb94015.exe
          a1b28248bb94015.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1184
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 0fd0e7409d7.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2996
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\0fd0e7409d7.exe
          0fd0e7409d7.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4836
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 820bce1606.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\820bce1606.exe
          820bce1606.exe
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:1444
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cbf3f5f878.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\cbf3f5f878.exe
          cbf3f5f878.exe
          4⤵
          • Executes dropped EXE
          PID:1620
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 8acd9b3697086429.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3840
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\8acd9b3697086429.exe
          8acd9b3697086429.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Checks computer location settings
          • Executes dropped EXE
          PID:4328
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c df026da6d48010.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4840
        • C:\Users\Admin\AppData\Local\Temp\7zS42984A57\df026da6d48010.exe
          df026da6d48010.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4384
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cr.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cr.exe
            5⤵
            • Executes dropped EXE
            PID:2548
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD1~1.EXE
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD1~1.EXE
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            PID:1380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 504
        3⤵
        • Program crash
        PID:2744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2496 -ip 2496
    1⤵
      PID:4848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1184 -ip 1184
      1⤵
        PID:3960
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
          PID:1748

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              Install.cmd

              • Path C:\Users\Admin\AppData\Local\Temp\7zS2E8D.tmp\Install.cmd
              • Size 51B
              • SHA256 9a9e87561a30b24ad4ad95c763ec931a7cfcc0f4a5c23d12336807a61b089d7d
              • MD5 SHA1 SHA512

              0fd0e7409d7.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\0fd0e7409d7.exe
              • Size 8KB
              • SHA256 a5f373f8bcfae3d9f4895c477206de63f66f08e66b413114cf2666bed798eb71
              • MD5 SHA1 SHA512 SSDEEP

              7825532f6c2.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\7825532f6c2.exe
              • Size 239KB
              • SHA256 9d7591ccc8c4bfdaf14d14d8640c892017f0be0982450fea60ee291197967c4f
              • MD5 SHA1 SHA512 SSDEEP

              7825532f6c2.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\7825532f6c2.exe
              • Size 115KB
              • SHA256 b9957c968760f0646ababebd5c330caeee22d060ad54c8f2eec1c82931f71c38
              • MD5 SHA1 SHA512 SSDEEP

              820bce1606.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\820bce1606.exe
              • Size 222KB
              • SHA256 a5aab74353af8782e4111151292ecae57c895478a18014897d11e4e02def7739
              • MD5 SHA1 SHA512 SSDEEP

              8acd9b3697086429.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\8acd9b3697086429.exe
              • Size 1.6MB
              • SHA256 1cdddf182f161ab789edfcc68a0706d0b8412a9ba67a3f918fe60fab270eabff
              • MD5 SHA1 SHA512 SSDEEP

              a1b28248bb94015.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\a1b28248bb94015.exe
              • Size 256KB
              • SHA256 9ca8d9c7cdec3efe3c7874bc89ed67ce4252ff6912dfc3dd929d2c863a21a1a4
              • MD5 SHA1 SHA512 SSDEEP

              a2a6801744812e74.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\a2a6801744812e74.exe
              • Size 155KB
              • SHA256 8bd8f7a32de3d979cae2f487ad2cc5a495afa1bfb1c740e337c47d1e2196e1f2
              • MD5 SHA1 SHA512 SSDEEP

              cbf3f5f878.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\cbf3f5f878.exe
              • Size 241KB
              • SHA256 9e1a149370efe9814bf2cbd87acfcfa410d1769efd86a9722da4373d6716d22e
              • MD5 SHA1 SHA512 SSDEEP

              df026da6d48010.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\df026da6d48010.exe
              • Size 1009KB
              • SHA256 e254914f5f7feb6bf10041e2c705d469bc2b292d709dc944381db5911beb1d9f
              • MD5 SHA1 SHA512 SSDEEP

              df026da6d481.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\df026da6d481.exe
              • Size 56KB
              • SHA256 78958d664b1c140f2b45e56c4706108eeb5f14756977e2efd3409f8a788d3c98
              • MD5 SHA1 SHA512 SSDEEP

              e7536a043.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\e7536a043.exe
              • Size 589KB
              • SHA256 b151ffd0f57b21600a05bb28c5d1f047f423bba9750985ab6c3ffba7a33fa0ff
              • MD5 SHA1 SHA512 SSDEEP

              libcurl.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\libcurl.dll
              • Size 218KB
              • SHA256 0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
              • MD5 SHA1 SHA512 SSDEEP

              libcurlpp.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\libcurlpp.dll
              • Size 54KB
              • SHA256 43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f
              • MD5 SHA1 SHA512 SSDEEP

              libgcc_s_dw2-1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\libgcc_s_dw2-1.dll
              • Size 113KB
              • SHA256 59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
              • MD5 SHA1 SHA512 SSDEEP

              libstdc++-6.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\libstdc++-6.dll
              • Size 647KB
              • SHA256 97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87
              • MD5 SHA1 SHA512 SSDEEP

              libwinpthread-1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\libwinpthread-1.dll
              • Size 69KB
              • SHA256 509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
              • MD5 SHA1 SHA512 SSDEEP

              setup_install.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\setup_install.exe
              • Size 3.3MB
              • SHA256 63f02a837e8a9e1e7e64db28c15b4c700b84a2bf6617f968e56190e574527b08
              • MD5 SHA1 SHA512 SSDEEP

              setup_install.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\setup_install.exe
              • Size 86KB
              • SHA256 2a7444d1468e7991939d97c526c3d4fb79eb7f29c19924eaf1e0464b9bbb9032
              • MD5 SHA1 SHA512 SSDEEP

              setup_install.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS42984A57\setup_install.exe
              • Size 3.2MB
              • SHA256 be512738dbcc5691567a58822e734d01d2b98270dc740aac341b05a299301507
              • MD5 SHA1 SHA512 SSDEEP

              1cr.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cr.exe
              • Size 1.2MB
              • SHA256 949eec48613bd1ce5dd05631602e1e1571fa9d6b0034ab1bffe313e923aff29c
              • MD5 SHA1 SHA512 SSDEEP

              BUILD1~1.EXE

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD1~1.EXE
              • Size 117KB
              • SHA256 e2bb9ee3616cd827cc3ee297cbe24cfbd2ded4d9efe894e68453f6cfbf18e4c5
              • MD5 SHA1 SHA512 SSDEEP

              chrome2.exe

              • Path C:\Users\Admin\AppData\Local\Temp\chrome2.exe
              • Size 43KB
              • SHA256 dc10f50f9761f6fbafe665e75a331b2048a285b1857ad95e0611ace825cba388
              • MD5 SHA1 SHA512 SSDEEP

              setup.exe

              • Path C:\Users\Admin\AppData\Local\Temp\setup.exe
              • Size 869KB
              • SHA256 bef1cffaba8186ce62265e0b322ca9fd9326a8929591df569a4953456c752137
              • MD5 SHA1 SHA512 SSDEEP

              setup.exe

              • Path C:\Users\Admin\AppData\Local\Temp\setup.exe
              • Size 832KB
              • SHA256 4ab35e482d2a494608a3650b511d4497b333f9da7893210ccf9e15ec32e9f57a
              • MD5 SHA1 SHA512 SSDEEP

              memory/1444-172-0x0000000000400000-0x0000000002C6D000-memory.dmp

              memory/1444-83-0x0000000002D10000-0x0000000002D19000-memory.dmp

              memory/1444-178-0x0000000002D10000-0x0000000002D19000-memory.dmp

              memory/1444-116-0x0000000000400000-0x0000000002C6D000-memory.dmp

              memory/1444-82-0x0000000002D80000-0x0000000002E80000-memory.dmp

              memory/2496-44-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/2496-173-0x000000006EB40000-0x000000006EB63000-memory.dmp

              memory/2496-24-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/2496-31-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/2496-33-0x0000000000DC0000-0x0000000000E4F000-memory.dmp

              memory/2496-43-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/2496-42-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/2496-41-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/2496-40-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/2496-35-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/2496-34-0x0000000064940000-0x0000000064959000-memory.dmp

              memory/2496-176-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/2496-170-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/2496-168-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/2496-165-0x0000000064940000-0x0000000064959000-memory.dmp

              memory/2496-162-0x0000000000400000-0x0000000000B33000-memory.dmp

              memory/2496-37-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/2496-36-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/2496-38-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/2496-39-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/2548-115-0x0000000005220000-0x00000000052B2000-memory.dmp

              memory/2548-137-0x00000000051C0000-0x00000000051CA000-memory.dmp

              memory/2548-136-0x0000000072D20000-0x00000000734D0000-memory.dmp

              memory/2548-201-0x00000000053F0000-0x0000000005400000-memory.dmp

              memory/2548-184-0x0000000002990000-0x00000000029A2000-memory.dmp

              memory/2548-138-0x0000000005590000-0x000000000562C000-memory.dmp

              memory/2548-111-0x00000000007C0000-0x0000000000902000-memory.dmp

              memory/2548-113-0x0000000005730000-0x0000000005CD4000-memory.dmp

              memory/2548-156-0x00000000053F0000-0x0000000005400000-memory.dmp

              memory/3312-167-0x0000000002DF0000-0x0000000002E06000-memory.dmp

              memory/4288-164-0x00007FFAC3100000-0x00007FFAC3BC1000-memory.dmp

              memory/4288-131-0x0000000000F00000-0x0000000000F10000-memory.dmp

              memory/4332-117-0x0000000001190000-0x0000000001196000-memory.dmp

              memory/4332-180-0x00007FFAC3100000-0x00007FFAC3BC1000-memory.dmp

              memory/4332-157-0x000000001B790000-0x000000001B7A0000-memory.dmp

              memory/4332-112-0x0000000001180000-0x0000000001186000-memory.dmp

              memory/4332-107-0x00000000009B0000-0x00000000009DC000-memory.dmp

              memory/4332-125-0x00007FFAC3100000-0x00007FFAC3BC1000-memory.dmp

              memory/4332-114-0x00000000011B0000-0x00000000011D0000-memory.dmp

              memory/4364-145-0x0000000000400000-0x00000000004E4000-memory.dmp

              memory/4616-154-0x0000000000400000-0x0000000002CC9000-memory.dmp

              memory/4616-139-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

              memory/4616-141-0x00000000049E0000-0x0000000004A7D000-memory.dmp

              memory/4836-200-0x000000001B940000-0x000000001B950000-memory.dmp

              memory/4836-74-0x0000000000C30000-0x0000000000C38000-memory.dmp

              memory/4836-84-0x000000001B940000-0x000000001B950000-memory.dmp

              memory/4836-81-0x00007FFAC3100000-0x00007FFAC3BC1000-memory.dmp

              memory/4972-100-0x00000000006E0000-0x00000000007CE000-memory.dmp

              memory/4972-148-0x0000000072D20000-0x00000000734D0000-memory.dmp