Resubmissions

11-05-2024 06:45

240511-hjc2jabd7z 10

11-05-2024 06:40

240511-hfp7padg83 10

Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2024 06:40

Errors

Reason
Machine shutdown

General

  • Target

    Free Nitro.exe

  • Size

    62KB

  • MD5

    d01e6cc12d314d7d1d3714fa9be0ca80

  • SHA1

    9cb53ff747461cf4f122d6356296341bbd2fe203

  • SHA256

    5010be4c22df0349619aede47aa8e234e16985c8dbd0ca86de12c778b402bf58

  • SHA512

    2fb687819b5cf9ad93b702b553b8d5760e8bb946abd436da72f44918f141ec9be1c6bb02252400da9d9846f70db61f993af783c7a996d6523be582a16d8a767e

  • SSDEEP

    768:OKsMqCXfVcWrPM9ZkiANIUkwYLDwUzc80gmq3oP/oDF:OKsejM9ZkiAP2r/0O8/op

Malware Config

Signatures

  • Nitro

    A ransomware that demands Discord nitro gift codes to decrypt files.

  • Renames multiple (110) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • 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
  • Drops desktop.ini file(s) 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 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.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Free Nitro.exe
    "C:\Users\Admin\AppData\Local\Temp\Free Nitro.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2544
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\CompareRemove.bmp.givemenitro
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    PID:2112
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1284
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x7c
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1540
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1860

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\Desktop\ApproveUnregister.xml.givemenitro

        Filesize

        179KB

        MD5

        38f58b0f78354ab35fc67fe9ade22ef4

        SHA1

        3f657d638fc3df2455fefb09ddca9177464d6627

        SHA256

        a34f97346a6abf2bdb7411dc3767341544c09fcf95a1f219b1717793c3c59808

        SHA512

        16be1d4d97a428fad929e705d151d094f705bade1c99714e2fee593a8de1fb99b7e0b746ce08985c24bfaae071e1c7c7f15bd79ef9be596a283bb26a529b8090

      • C:\Users\Admin\Desktop\ConvertFromDisable.ocx.givemenitro

        Filesize

        94KB

        MD5

        27e2b7dee007a30b8be4dd28b26df7ee

        SHA1

        ceb4b0ff3e167611caa6acea2dcaf455f2bb81cc

        SHA256

        33e55560378145dad8c9de41e96b864bd34b97465d5e43e9fc3114aecca90490

        SHA512

        1127db2e06c350254cc2754ae118e1a5f65ee5785c8c78a2e64945ef3e045e22f9ce2b71a9b95cbdb0e8b25de13106c9fa5fe6619a577a262afc76c1002de7dc

      • C:\Users\Admin\Desktop\EnableUnblock.ico.givemenitro

        Filesize

        149KB

        MD5

        d97bc12e00ad1b12703a91727da962fa

        SHA1

        27dc41c3b3bd0b651ae0b75678fa00f37d5c2478

        SHA256

        8e9476e9ffa80248e8aa6e75c40385ae7b1744cac3120defd8d1c0482f8f41d1

        SHA512

        fb3ec2dec26a4abff0f45c9c0723861eba850ba5f102554c22b4da438cfc622a0902b2725219b9289071aa9b65ad308baa3fdabddf98bfcc05a0ff764bb8c9db

      • C:\Users\Admin\Desktop\ExitInvoke.wdp.givemenitro

        Filesize

        197KB

        MD5

        bb09065f70ca25486f54e5736e421d02

        SHA1

        f443cf0dba4e10dddf7796bc081aa5c442de63b1

        SHA256

        44d629fe761acdd2d621bbb252c95e6b31a37beb461b1891635e2ce21fdaf6ad

        SHA512

        bf4407cb0a2b88319819a932c18362c78201ec81b38ff5b03ced29d36322d4bee0386ca6f85703920233243861829bc86b235082e818616beafdcbf673e03a1c

      • C:\Users\Admin\Desktop\HideApprove.css.givemenitro

        Filesize

        106KB

        MD5

        2e36163a5c84e631331e173d741fa009

        SHA1

        5a1d3caebec4c0a9bde642fd1bbcf1894035ee79

        SHA256

        f7072e0b0e885c6f518670e687eb5218ea97803effe7e49d43bc01bfb15e01b1

        SHA512

        b3a92b88a07ea8bf23648ce06bc4c2b66cfe7039f7d78c9c6c61ae9bbfc22bdd640227d9e6b2a2f63d9050529464f58416e6f601ea92a8421e4009d38fa2ad51

      • C:\Users\Admin\Desktop\JoinAssert.ex_.givemenitro

        Filesize

        252KB

        MD5

        40ba7b976a2a17bfc4455585ae1fc0fd

        SHA1

        fbc2d127d77f5ccbfe8df40b9c6027e9be75767b

        SHA256

        bf399089bdeb4015e61669019f45ffd281e57848cf68e2c5a25ac25fc83930b6

        SHA512

        07ee2395b5bd67096945b0ac5ddfe18705daa85b20cde3491b3fbf2b50bcf9ce9fc8f3b4d1f416dc1a152d5d418052015d019ab9cc49170caf597283bb16f9a5

      • C:\Users\Admin\Desktop\JoinUnblock.tmp.givemenitro

        Filesize

        167KB

        MD5

        dbedf7d399dcae6e98800c9dfe1a1133

        SHA1

        2d45cbe40825efb18b15be42cdfee9b434c77145

        SHA256

        a3317f500ce5c1d985b5bc4eebb4b56f907e77acf4a340ef234e763971e28bd6

        SHA512

        c70ad42d60e7b700a36e73bf5758ed37b4ce0e5437fe5112ae2cb2c85f2e029a523b93935498d84c5d67fbdcd553e2a81de3eff0b1da0567694f9888996f6708

      • C:\Users\Admin\Desktop\MeasureEdit.i64.givemenitro

        Filesize

        222KB

        MD5

        aa6b5d8183ad1e1e98eb587b67b5c4ca

        SHA1

        7614a2e3fad3c7b339223157585327839b1099ff

        SHA256

        c529ca5e7153bcc837ae8e4e846268e21b893e30825da4f19f7fdab93b7a59b6

        SHA512

        acd3b13dd676b9239196e51ea89ef98a1b95e861b3099cacb33f5c82e53df0638827d455aa540d2567772e61bfab0e740fd725868504d285f9e9fe620c5b75c1

      • C:\Users\Admin\Desktop\PopPublish.wma.givemenitro

        Filesize

        130KB

        MD5

        53d817897166dcd44eb7a62f11456494

        SHA1

        48acf79339d0d4589db862f578359e2342302344

        SHA256

        602ac5ce9c9cba5351a600dd7386ceaa2589448691ea0332856945b9d337f402

        SHA512

        833794ffd3f888d104d0a103dfe7bca7f50189cdb6d4265d4e4d6f79bcada2fda3ab55e7427d254003bbc8106278f0d913f563f8a682823c6478278e20d9bfff

      • C:\Users\Admin\Desktop\ProtectSubmit.ico.givemenitro

        Filesize

        143KB

        MD5

        bdbe9f384d966f85baeba552cbd9b0f3

        SHA1

        4b84f020fa503ed5e7b220f0922d9ae3551253d8

        SHA256

        0e1490419c159fe2e0df5a4b11ee6772a616806472788276a27faee4fe8f3cf9

        SHA512

        6df0eb2587f0439c76232366e57ee8d156a45bbc5384bc1b4c74ece4eeb23ee10e7ac51dc2acabde31736c9b46daaaa079092068f109dfb51dee7acaea2270dc

      • C:\Users\Admin\Desktop\ReadMount.ppsx.givemenitro

        Filesize

        240KB

        MD5

        aa8c29847ab5038524a08ed2ab34f4ec

        SHA1

        77a446248b6c4f7aed44734c2e8a29953881662a

        SHA256

        e23f76b72508b5538fbe70e9c9b9a68ae5e34457d287c19ba670235e0443e6b0

        SHA512

        ea0beb8b9f9e4aa90b0b5479286b9726684ef8e1af7039e4a21b5bbbdf1e0329e90b8d6c46e3597149242a30ab7dac5df7df60ab3c2828599bbdce6d1961c4f8

      • C:\Users\Admin\Desktop\ReceiveUnprotect.zip.givemenitro

        Filesize

        228KB

        MD5

        369fecf86ed1c701edc5ff3bfceb668a

        SHA1

        4c88d5149d9ea221410b73e4b8b34c0670bf4d4e

        SHA256

        a7870688e4267ee3c9d5e17435d38994f8f9fa4a543881350c49aec5bdeace23

        SHA512

        87b9eb50e26776e31a74b67a5d0533dd092460a567ba517b3263bfa43a86f8e54738597ac1a03e72e2763f87bb5374f08505d4da78bfe23112a6f2c12831f35e

      • C:\Users\Admin\Desktop\RedoUpdate.mp4.givemenitro

        Filesize

        173KB

        MD5

        4514f00fc5cd329e512251b7386fa46c

        SHA1

        bb2b5bca22104700f46166e34b420420fe272584

        SHA256

        addc4a2ee70e83f29226344ca4217195f677401ad6406ca2efb40e571e45d818

        SHA512

        5390c5743fed7f12be5c881a1d5a8c0d285e75393001ff6a44c7516a30de7ba2e62379d0cf6be325ecd66f4dc9324c879bf185bfac327a5b6142fa61d205fc89

      • C:\Users\Admin\Desktop\RestartSync.wvx.givemenitro

        Filesize

        112KB

        MD5

        af0a0316b45264d184af3d842e22a791

        SHA1

        6ce2f371ed9786ff83d02af41e2d7d192d6b7a15

        SHA256

        6bcc9495d4b38d7331089573dc5d45562cc5869a620e0afe012d501fcd292493

        SHA512

        0433ec03ffad80ae585ce1db9bb2f3d29ddbd0d5a9686f5ee00ba5c885ba219fe0104ad25cfeed413ec97399389e4ea21672b53066b8c6f9c5b06bb100fd19e6

      • C:\Users\Admin\Desktop\SendHide.vsw.givemenitro

        Filesize

        234KB

        MD5

        8a6055ddb321d1677a1fafcf4aa99539

        SHA1

        81cdd7743d71754f0454acbeed50ec66817329c3

        SHA256

        72424e3b91af864017a0933e7e2f2ac10b31c96fd7cf411cd9062973d3dfed4b

        SHA512

        cc9c0cfe62a19ce8366ed54a1a2eaf184c3c3fe6406c92527cf154a97ee72ea84cc49f43d21e9cb92d6ddb8ddb2bc06a9f6b7f8d5400fff9125e5590c585b680

      • C:\Users\Admin\Desktop\SendReceive.ods.givemenitro

        Filesize

        124KB

        MD5

        8c308a39b4e3a8c23d9a4f54ea6d9d94

        SHA1

        3d21331ae5afdd5a2da91aec7c79e1d6760d9e92

        SHA256

        9620a759895ad49b475bec00500a3763e4955fb5c0b33e134252d746ec64e7af

        SHA512

        02b6f9b0e32bae0a3df4b538410cecd40089b750f66ef810edc2ee442eff611cd374eaabfab88e349925fc7d54aea787fa85364a6be8801ef9150eaf58ab4e49

      • C:\Users\Admin\Desktop\SplitConfirm.xlsx.givemenitro

        Filesize

        246KB

        MD5

        fb8709a31b9eac18b837223e9d95a7bd

        SHA1

        82e92a6211e3645652ea014a424771cd89129c9b

        SHA256

        dedc3262c749fc96efe2a6b164325c616665781ea87825cec8242292cb5dfadd

        SHA512

        dcf464eeae0e22b8d53f55bcc908119006bd230b52fdd5545f7393e5691db0c4d016aa2865f87ce943193db075138c8855cf09c4acef246668d593af8cc9bfd7

      • C:\Users\Admin\Desktop\StepDisable.xlsx.givemenitro

        Filesize

        137KB

        MD5

        7c8a05ab58774c533c8379bb5b1aa1ee

        SHA1

        e148ac8b50053e6a50045aab687e7de58ce65a7e

        SHA256

        313900a5a07bde242ebfd2b3605d9f4faa6b8cbcb3aca18bcdc6fd8280e22f74

        SHA512

        1d9961a984f83adc8e8af5c8be05100cd5faf56c0024541a6ded2340adcf33be003f6a6aa27230539ac9ada703c74cdbea85f4f1305d97112fc40634b512fe9b

      • C:\Users\Admin\Desktop\SwitchConvert.png.givemenitro

        Filesize

        118KB

        MD5

        6ac655aae3c9196dde0d6858ce04a638

        SHA1

        5c358d2d0dc7baad167e09990a4d6190efcb8dd4

        SHA256

        71106af09626cfd127729cde9e6b85337aa5701d3f3c07a63ae005532d4797be

        SHA512

        d2a86ec0c1f1a8947f1a53e697810b99687aca457689d08bce66051f058f387586720aaa0d06dec786a81e3a7ea4e26b1ffc89d1eb74b2057e12178b05ed401e

      • C:\Users\Admin\Desktop\SwitchWatch.cab.givemenitro

        Filesize

        88KB

        MD5

        1cd4240cbebf3945df9399ee1faea289

        SHA1

        7609a1a26bfdfd7f89923d38486d5c53039cb6a8

        SHA256

        7098f5b8e2f8dd8e9bea4997e8d428bc0c646229f7a9fd0aa4d3968760d738be

        SHA512

        cc735244f53b78f4a13eac83f7af49bcf98a094b992402639399a853206f1f5ddc4d23648fa948c7e7793a003d1138e37a95ef0e2c1eb0dfc8451bf3c0970c36

      • C:\Users\Admin\Desktop\TraceRestore.clr.givemenitro

        Filesize

        155KB

        MD5

        e3c4d22806d21825380089715244f0ca

        SHA1

        67da03f43307f24f4277fafeaa75e46636be8165

        SHA256

        5c5dcf92e908b8acff1f86f72efb8615f7b423732f12541f34afa557a583a709

        SHA512

        6cdc6c07b2a5f7f1a3224212a05a596d7087d6da10b80c547d5690d2b06450f0565eea80a48a6b831463fa3541df48af22c9984097bc0c088bdfe707a6357789

      • C:\Users\Admin\Desktop\UnblockClear.mp2.givemenitro

        Filesize

        203KB

        MD5

        0aca8d5a5135cf73ceebabeb475cd9d4

        SHA1

        8af612035d212c306587d1111de18f62d7c0f698

        SHA256

        29b6cde2909bde13cf8c58e40ec85df8ec012f044a60d14e77a00974288f1f97

        SHA512

        da200f720723c239ef74fa25cbb4c1a5cc3a40ad2b5db267fcc9d63deac9795726e111aeb0d3785ba87d2c8897a5265cfc2ab44b2eb6b222187427c394ae6831

      • C:\Users\Admin\Desktop\UninstallGet.dotx.givemenitro

        Filesize

        210KB

        MD5

        665d572044ba09e3b6a0e94411ca599e

        SHA1

        58e3b8ef0cfc5c5d99801f7ad65e672084ec1e47

        SHA256

        ac0695e3c31b2cc16294f5ef39997cc6792eb8169d2658e8b4fc1aa6bb67dc42

        SHA512

        fe8d1cc8e29f0bfbc393644353ee6e331b3b5c49d94a86d0f1d496785bde43196b524d3f31f7073933b2955d806ac0502f1c23e1b354049ee5aa7e4c673e40ae

      • C:\Users\Admin\Desktop\UnprotectImport.3gpp.givemenitro

        Filesize

        191KB

        MD5

        e7dcff0b8cc83f3a40723ca1b2eee278

        SHA1

        0dea25a209d200e4b2321cab1318ac6ed1495ba9

        SHA256

        7a878d94d7f9e72d9941eadd42360335e421a53b4f0c6bbecb076d198771ccb9

        SHA512

        bd80ec6ed10e9c9bf663c6a2e1c53cfdfefded9f09aab521bf50cf67c6769641e97304c6e3ac1e9ec6e29a57deeeb8963a655c209a8314ccd99a4443e8aaae04

      • C:\Users\Admin\Desktop\UnregisterFormat.php.givemenitro

        Filesize

        216KB

        MD5

        a81cc9e111e98ea19bf2e1c560d49bd4

        SHA1

        dab2764edb05f850be0e8ccda2e594cfaf609f38

        SHA256

        086bee988341ac5ed750ff79b8e7bd226c365b00eee77a24c0e0edaa6e75d616

        SHA512

        bfff3cac94a3426e6f76798d845f4144e2c05f0df0112da8af50a24952d81437e438016584f507f01da4e60642d56237bee7a5d56d1ce6fdf99c85c5f4283244

      • C:\Users\Admin\Desktop\WatchExpand.htm.givemenitro

        Filesize

        161KB

        MD5

        44bbc10a8c8b9ed7fb24027cdde1017b

        SHA1

        29042b6969c5a8747aac192a328752d10f66ef98

        SHA256

        58f3fca388be19eefff6ccf6db3b10c3dcff677918b0d3d578c5eee0d5d16cb4

        SHA512

        adb8a9e9b3d402d81cc41095ab257ae0be95cce74a4e721fb29807dadb102cb462ed77129d36c64350373d6b8748840db7320fdd2ca10999e9168959ab8c8505

      • C:\Users\Admin\Desktop\WatchStart.jpeg.givemenitro

        Filesize

        100KB

        MD5

        53f6cb3cc7067595cbf539da7234a814

        SHA1

        152b63fcf6e22becd9546c09ff89f37c37adac75

        SHA256

        1287e03ded194d06a6dcc35be99c8a077bab41fce6ee53faf25f92c249e47966

        SHA512

        da055f5641495eb35778859db77c136d8d4d08b4a1f3eeb5ad1a0df48c2f726be2366386ac62018abac5dfa8e303e2ec660086c5027ded5a7ff608c12e510817

      • C:\Users\Admin\Desktop\WriteClear.xltm.givemenitro

        Filesize

        185KB

        MD5

        d447c34cd501d8d84fc7231d829dc9c0

        SHA1

        0139bf488c3891fb1e932d3fdede89bf98b1b396

        SHA256

        411a86f6042330e069c71a389e100bc2f046661cc5333e2e90a8ccc3fdd4a56f

        SHA512

        88c8187cc592661963bcfadd4ee97b16f346e651a84555ab138d92a1add9667bebcbfe3cfa99a4f4a99c83eb3761d1b72c3c331437b0ec280baf1c4d4df558ab

      • C:\Users\Admin\Desktop\desktop.ini.givemenitro

        Filesize

        320B

        MD5

        b4aeb2c8d84e144265fda69484569b9a

        SHA1

        95069a343b80019bdc3075ee56666b0dc65e689b

        SHA256

        a4fe4abc1aed3f25c41600e2d9e76f515cf3d1021c0f54d1c82a2e0d8b2e036d

        SHA512

        432f8263f045ce54554255e7b34c64764750028217df0e4cc32da5d88adf774aea1514548c92283af3473051128d7396857e97aeda6537de53be033e00227d88

      • memory/2160-1-0x0000000001250000-0x0000000001266000-memory.dmp

        Filesize

        88KB

      • memory/2160-2-0x0000000074DE0000-0x00000000754CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2160-59-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

        Filesize

        4KB

      • memory/2160-69-0x0000000074DE0000-0x00000000754CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2160-118-0x0000000074DE0000-0x00000000754CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2160-119-0x0000000074DE0000-0x00000000754CE000-memory.dmp

        Filesize

        6.9MB

      • memory/2160-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

        Filesize

        4KB