Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-02-2024 13:54

General

  • Target

    $TEMP/DeltaTB.exe

  • Size

    767KB

  • MD5

    eb2764885565b6c01cb32e5f51f213b3

  • SHA1

    cc41cadbbd6ba6ed0bfdd17798b4c9f94d7955e0

  • SHA256

    d7146999ff94b3ae092f3213ddf0217615f1d38798393b66778d11aae2b68eaf

  • SHA512

    ac88795b2e8260ace9eb57d2a3fdc4aadb18e2cb0afd780459f51d25f83b34f7033425dc712655e423eba4e011fd2776f53463042f2c2d9dd427554c04cc840e

  • SSDEEP

    12288:XSsZfDKTpv0aNjLDiIx56qQDtOZTIzOjAWe0YiZ2PADaRx6Zfuc//yTuXbdir7+:XSiGTpTLDxxwqQcqOj5eyHox6ZGmAuXr

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\DeltaTB.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\DeltaTB.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\Setup.exe" -xprm="cat=delta" -expg=none Files\Common Files
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2928
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\456AA8~1\IEHelper.dll,UpdateProtectedModeCookieCache URI|http://babylon.com
        3⤵
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Program Files (x86)\Internet Explorer\IELowutil.exe
          "C:\Program Files (x86)\Internet Explorer\IELowutil.exe" -embedding
          4⤵
            PID:3040

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Babylon\Setup\DSearchLink.zpb

      Filesize

      53KB

      MD5

      963fd4b53ad57ff23de23dd5ed09ed72

      SHA1

      4d3a351de3aa8d789076a6a39d9b4a54957852d5

      SHA256

      850ed48de2c1d0fd8870f457fb12907de9838e26e836a88b1453bbdcc00b5cb3

      SHA512

      d50b48ae06a6137f99581e4f6ea6b417fe6e1871c82e655b042436b8dcc260e00fa8e7ebbfbb0aef5ab489fed4530a830f3f2c9a2dff4307509154c3b614eb58

    • C:\Users\Admin\AppData\Local\Babylon\Setup\GUninstaller_vt.zpb

      Filesize

      199KB

      MD5

      62e00fbeebeedc16bf6b380683f3004d

      SHA1

      817b3699db1949b96f85207da262a3f5419a5c11

      SHA256

      d7c19d0748531c279a322522f7b45b3bb2373d5d11242956f7956c672cf9394e

      SHA512

      2a265e75bc2c0453810f5f7827bf03032a33fe7fcca036f7a0ab7620caa447909308c2fb95be34e5df6d9b5f5da22a0bc30f97cf9a04810496aba301431f000a

    • C:\Users\Admin\AppData\Local\Babylon\Setup\buscts.zpb

      Filesize

      57KB

      MD5

      66760773be28f40d555765224f649a78

      SHA1

      28af276b377e9a9a3a207e0f4ec70c2053cce4d3

      SHA256

      7d09da216b30e3a238468f1a120215cced74d419694a2f4b2e67c624ebf57c7d

      SHA512

      1f97a0c03a93b6aa16b3d48e84c24ddf424ff9f22f4f42e635349fcab3dc07230d2b742a710b9fcc614920502d9af8c559a73d2b7e323f4f20025d94e9e5464d

    • C:\Users\Admin\AppData\Local\Babylon\Setup\delta_dmn.zpb

      Filesize

      250B

      MD5

      f208d9600a80f6c8225f1b5577ee98dc

      SHA1

      252e3ead4d3fedd2a1e7135c400b7f62ef46fe9b

      SHA256

      5cd7adcf0cbe5d4054bf43605d44c40b75ca9b0797ce660ccad1a7ab86d28f60

      SHA512

      8b8d2129398c44762b61dce2de561f8a8302c98efe63beb7e1c68b52202cc11aa6671b72a5b4f5ee04129a22284616631432e0290e1a77c771378c0b4890f35e

    • C:\Users\Admin\AppData\Local\Babylon\Setup\kmsdelta.zpb

      Filesize

      53B

      MD5

      ff7a2f8d37673fc7e5e42dd793086a5b

      SHA1

      346ebc40da9f9d70697f5fe7adf4d431f12d79e8

      SHA256

      963d6ac315b0e5a0b77a3de5e8c6497a5d0f5f1a2a6d53bbd1af274816095954

      SHA512

      616acf62d52b5fa19a1380dfb315ca39d38b69d23bb44e51995360be057112dc8c6f6365c09a964daecc5f0513f92805c4d1cbe10dbd6918994b4803f8b904bf

    • C:\Users\Admin\AppData\Local\Babylon\Setup\setup2.zpb

      Filesize

      142KB

      MD5

      4d507fc2ad32d1d8a8e74aaa8c01c1ca

      SHA1

      6fe219d6c97c2482e386de8618b5814a04eef635

      SHA256

      a551b5fbdfbb2a519edada9902b6dae5be9810db1c6acdf2dfe4bee2aa4caf7d

      SHA512

      db9caa9fe8bab0d57cf4c8164e2ca5dcb5df8be6ec988f6cd11ff6128ecd31913ac5bbabc6a197948396045e471fd43139bc6a404b44ac31b573503eb58bd443

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\IT88KKGO\setup[1].js

      Filesize

      15KB

      MD5

      700748709448840b582cc3237fd45b50

      SHA1

      6788cf8294890f199a9587aed1bed1b8041685d9

      SHA256

      f5ab1728a8ec2b0a1c19c123bb662f5ad4b098c974ec1e5a168886b71d4dd9f1

      SHA512

      111bf048e0e590aee11e11f9224a3ca71dfa3e3483030a26da898f5aad8b6610f2927ac4d76d97d9804323cf93015644378aa2cdd01b1ec64182a797850eb340

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\Babylon.dat

      Filesize

      12KB

      MD5

      825e5733974586a0a1229a53361ed13e

      SHA1

      9ec5b8944c6727fda6fdc3c18856884554cf6b31

      SHA256

      0a90b96eaf5d92d33b36f73b36b7f9ce3971e5f294da51ed04da3fb43dd71a96

      SHA512

      ff039e86873a1014b1f8577aec9b4230126b41cc204a6911cd372d224b8c07996d4bb2728a06482c5e98fb21f2d525395491f29d428cdd5796a26e372af5ad4e

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\HtmlScreens\loading.html

      Filesize

      644B

      MD5

      f50fa4673555652289652753183fd1ee

      SHA1

      f496797f0d34eb866d6328d2fd1492b485f74d0a

      SHA256

      afb21b51cead30ed14f79293d50b9c3c7a706b5287aad6cde06ea44a364df812

      SHA512

      6e92b13343ad35a8a8c61e54ce3abb9a28abeec4aa8c765326e0d1ec111c7656d8f0f349c44820fb1aba6730c22f84f7411c0c0b24322bdaa8a977b79baa23da

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\HtmlScreens\pBar.gif

      Filesize

      3KB

      MD5

      26621cb27bbc94f6bab3561791ac013b

      SHA1

      4010a489350cf59fd8f36f8e59b53e724c49cc5b

      SHA256

      e512d5b772fef448f724767662e3a6374230157e35cab6f4226496acc7aa7ad3

      SHA512

      9a19e8f233113519b22d9f3b205f2a3c1b59669a0431a5c3ef6d7ed66882b93c8582f3baa13df4647bcc265d19f7c6543758623044315105479d2533b11f92c6

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\SetupStrings.dat

      Filesize

      89KB

      MD5

      407846797c5ba247abeb5fa7c0c0ba05

      SHA1

      44386455eed8e74d75e95e9e81e96a19f0b27884

      SHA256

      0147b5b11b935310752666fcf1e6afc922b76ff03d01a0d1ee2babeac10ca1e3

      SHA512

      7399a9228f971698db7362aad28d3f9694c0bf453d4529e48bc7869af0960452cfe1a5f0a5754e7d567d81b5aa1e35be05a9e36ec745e5470d20fd44a61d20af

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\bab033.tbinst.dat

      Filesize

      205B

      MD5

      90713ab7a74884cd36a5fb4cfcdece8a

      SHA1

      7bb56d08fd69a98e543b923bd0a9156f92a9c473

      SHA256

      bc40813f6d07dbc1a4d4c74363460d1ad6ee76275729de4c4f10ec40d8cc46eb

      SHA512

      639d68135fb54264f2e21081d6ca9ffe73a94035982f4a2d7133d6d402cdd3ef4a695eeb61ad173dc6d1b8167d1f5df2be61a972c96f07ac357ecec887a0d191

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\bab091.norecovericon.dat

      Filesize

      174B

      MD5

      4f6e1fdbef102cdbd379fdac550b9f48

      SHA1

      5da6ee5b88a4040c80e5269e0cd2b0880b20659c

      SHA256

      e58ea352c050e6353fb5b4fa32a97800298c1603489d3b47794509af6c89ec4c

      SHA512

      54efc9bde44f332932a97396e59eca5b6ea1ac72f929ccffa1bdab96dc3ae8d61e126adbd26d12d0bc83141cee03b24ad2bada411230c4708b7a9ae9c60aecbe

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\bab148.spreg.dat

      Filesize

      249B

      MD5

      a4af0a0c254b38f2f9eecbf0e00b08fe

      SHA1

      ef730bce77699730dda378dc444b997ce7ceea7a

      SHA256

      810e0e32d54b9e1557da7ccf1ca9f6354814e90dadc6b4af5e1cbdf87fac925a

      SHA512

      b74596e55e75413303559c135db393a04d6fd6cbab147a51ac2f46435f52b92b82868de4e67917a7b388d82c672fa36b525b88e2eefe7ec40695f028395dcd84

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\bab187.wl.dat

      Filesize

      234B

      MD5

      6358860cd0c336c1f91f86be701d77c4

      SHA1

      5dd38b818bf0860b4c5144ba670a759d4345e4ec

      SHA256

      2ed42e3c958eb21352bae4b00db2fa5be94149abc64eec93e5258b9c4a715457

      SHA512

      7df3b3e1487d3a65000b6208969f1e695815133c052f369beb36877fe5c6f64d979aefd030a193b04a5e46fb0d97a3cc06837aa381efe6bc24a0c084c768dac1

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\bab307.sp_pop0.dat

      Filesize

      178B

      MD5

      0b7be9c4b72c2c5166bfd61ca5ebbfed

      SHA1

      aea0aa4e8226c1b4efce92e909da773744baa6d4

      SHA256

      673bf972d308bc6108360575608cf72f393413f2d3993489b06da4a6efc749bd

      SHA512

      4dcd7ea01b05550acb00b71e7e9fdd52a04fe1cc574655030dcae94b87dad86bfb7973adf9185de03bcacb100fff758b1a2f928fcb951e2b31e320860a2226d8

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\bab456.TB_OldWay.dat

      Filesize

      174B

      MD5

      7e72d256e34635d351092955d1f8516b

      SHA1

      7f240f8f4bd61ae59247d84d0ec85f5bc8729f36

      SHA256

      39eb1667a67149b5d930e5408896027e3c3fc06282735e61cb8d85f5b38f587c

      SHA512

      621eb4bf2864db2fa0f861c233ced790124e9060c081948beb7117f8c058a36ecca23ee05ce2d6d42af15533c050f648d276589682d91dfe699ebe871cc9ae8c

    • C:\Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\sqlite3.dll

      Filesize

      508KB

      MD5

      0f66e8e2340569fb17e774dac2010e31

      SHA1

      406bb6854e7384ff77c0b847bf2f24f3315874a3

      SHA256

      de818c832308b82c2fabd5d3d4339c489e6f4e9d32bb8152c0dcd8359392695f

      SHA512

      39275df6e210836286e62a95ace7f66c7d2736a07b80f9b7e9bd2a716a6d074c79deae54e2d21505b74bac63df0328d6780a2129cdfda93aec1f75b523da9e05

    • C:\Users\Admin\AppData\Local\Temp\456AA8~1\IEHelper.dll

      Filesize

      6KB

      MD5

      a21de5067618d4f2df261416315ed120

      SHA1

      7759a3318de2abc3755ebb7f50322c6d586b5286

      SHA256

      6d13d2967a37ba76f840cd45dba565c5d64938a99d886243f01713cd018e53ca

      SHA512

      6b5c40d09a9548fde90c1b1127a36e813525bea6ff80d5fb0911ddef67954b209df44cbf4714cd00c4e2e4da90cfc4967db7174c28f751f7c5b881fa18cc938a

    • \Users\Admin\AppData\Local\Temp\456AA8A2-BAB0-7891-A07E-EB0654A5B4BB\Setup.exe

      Filesize

      1.8MB

      MD5

      26f6d1b6756a83de9755a05f7c030d75

      SHA1

      935f58155f74b051f9123b6022b7d358b52b146f

      SHA256

      2acab7c986bbf80578c3bd998dd2d853257719ceb74c9d30bb4ea28952403d5b

      SHA512

      af9603572bddb6244a7ab0484cb3ac9ed7c91b1cea3e3f8c8886478930dbc102925b45ed094eaa2801755644e3bb4a4c0685a423f937f4b02af16feec56e4f6f

    • memory/2928-40-0x00000000007D0000-0x00000000007D1000-memory.dmp

      Filesize

      4KB

    • memory/2928-131-0x0000000060900000-0x0000000060970000-memory.dmp

      Filesize

      448KB

    • memory/2928-133-0x00000000007D0000-0x00000000007D1000-memory.dmp

      Filesize

      4KB

    • memory/2940-34-0x0000000000210000-0x0000000000212000-memory.dmp

      Filesize

      8KB

    • memory/3040-33-0x00000000024A0000-0x00000000024A2000-memory.dmp

      Filesize

      8KB