Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2023, 06:53

General

  • Target

    c88d367c09975501e263b537e018dfea1ccf4a62b37ceef10b14944fdf2e472a.exe

  • Size

    2.6MB

  • MD5

    a739ebb6236b55aa3dd229aafe87e42b

  • SHA1

    2dd355586225896495ab65685da545068e1eeab0

  • SHA256

    c88d367c09975501e263b537e018dfea1ccf4a62b37ceef10b14944fdf2e472a

  • SHA512

    77f168301fe19e869d1d677a6004a3f2f032b15d3af19c0b1d1c92a61f9173e4ceecb58f956155b60004cc25e1de2183008edbe1ec028513d41a2f1b6ccf3f10

  • SSDEEP

    24576:9A8vyrepIND/0bfSPdaYdi5YYR+h+8fEvdDrGnrdEROGHOhXBo7FC/hRJHOh:9A81IJPamEvdDqnroHO9HO

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c88d367c09975501e263b537e018dfea1ccf4a62b37ceef10b14944fdf2e472a.exe
    "C:\Users\Admin\AppData\Local\Temp\c88d367c09975501e263b537e018dfea1ccf4a62b37ceef10b14944fdf2e472a.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\c88d367c09975501e263b537e018dfea1ccf4a62b37ceef10b14944fdf2e472a.exe
      "C:\Users\Admin\AppData\Local\Temp\c88d367c09975501e263b537e018dfea1ccf4a62b37ceef10b14944fdf2e472a.exe" Master
      2⤵
      • Drops file in Drivers directory
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2476
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://www.178stu.com/my.htm
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2388
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2388 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2124

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          cc6774c51cc56f9ff7d1a9afcb287db6

          SHA1

          bb81a2ce240e3954199eeb7a6ee4785ea18cf71b

          SHA256

          872acbf0d6d828939b8d2bbafc0c70acd42f60cc6746a8f5381976a222e93123

          SHA512

          429b721a8015538b545123a7ae8791e000a643a2573d7079e7b3cd5200c823181357af5956b4dc97ecaf83a438ee569f5e592fcff6283e4d0e0f524e3ef44940

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          48daaea53155b8f38e69626e4bb55f31

          SHA1

          8ce918bff1c4cbe38537066bd625f0d12cc4c7be

          SHA256

          2375aa83b8d72b4398730eb1433d1c1c9cca89196fad9ee44e5b74f5d4ad1c2b

          SHA512

          4b44be972baea6834f8c9a264ac9ce9aca261c8a688427313324d38c66d0695f1779082be1a2117157b014584f469afad778b7d368326ed1a24dcf0fb3b4e646

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          b36055aac07711c034b56f8066c8ea0f

          SHA1

          4525aed129783dd299172f2b407395df59d61c33

          SHA256

          f5e79cc354d56c95b6421a087466d5c6cd4f1a21af7fe9c274501eca5d74cb2b

          SHA512

          0c29ae3786236b3d38d6f7e3a0c903cf26e41f12494f3eea984f63ba83a5c58106b87f308edbeebaf2802258f36282c5f506966fbe6e146d39faffbb392fb33b

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          6cefe6288d3cd2be41f61778f17a90f4

          SHA1

          322c2052836dc5db2533a0d1449ba8f0ad74bb42

          SHA256

          578a4f2a066dc71eb37193dfa522537da86c0eea9ebf8a346430c14eea106d9a

          SHA512

          08d45f4a16b1c7d16969c32b3d6170b18e7b93703b334abc0bca4ebfcfc9904ef86df16b7d7822959276b2d854585e721b127957d353731326ba2ac2ef41f97f

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          6732f9b81fd669279a95ff13cad238fe

          SHA1

          7ded4f7e3fde51a73c7133cd825b9ccc8cf009a2

          SHA256

          7617bea815a1e2c15c39f4e3f79147a903076856337512cbe43d759b9c4ce334

          SHA512

          28d446063e0ede9b8ecf868ca9950e35cb077c3d1dabaf00866dab680ef64e948b5cc74de57c06769b234a9c93caf147364db1ff9abe3578bfa0bf6b7549f09c

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          3cd06157fb41cb49e5bf77f604edfb80

          SHA1

          5ef3750bd330ba7ff438e9f07f835b73f844823f

          SHA256

          d399218f73d22006938036ee95d56ae978d4f1dcdd809081c0121d5909c3cc42

          SHA512

          0932e4fb50e1e27c738e829999fd0745a63f7ca5ef8401d53cb4cc2bf49cdf738740d6020d6c285ae52afbd21ba9d14161d88954ed626226e88d504d2401b9c0

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          9b139ebd0b034ac8afa2c5bb74f9cac2

          SHA1

          60992f803a5053b8efa398a707b579ada8ccaf1a

          SHA256

          578431607a0289584ec0f6b8b1780036a47249ed3a166f4b7dd6f62ec84d91df

          SHA512

          ee602b8bfcb732789905cecac48b594ff813b2804898310177df3f4a764de205e4e65863dd5ad720a30f956d0758d360bff73bb5f9742c49c0a3e7839b8ae53a

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          9b44014f5e8e1c5f65fcd45dc1b3a72f

          SHA1

          dd98b1f6e44c07762f4c162b220754fb2809d9d6

          SHA256

          800081fe6c0bfa7326bb07d439a0ffbe22a5af234bce4fd2949217ac5b5415f8

          SHA512

          d5ef150f73abab5aee1f9361bd4d63dea21b5f3cffd3edaa1e072e04750569b4c34078ab53ead52de7d81e8375cec92bbde1043c8105e75288344c7049b2ab48

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          d996a5016af6a3a53414967e90095b18

          SHA1

          74b7087705685f2e0d6c210ee4cde60def064ff2

          SHA256

          8266315ee03d392ae590888c7692b89d5bac627d46c44f1c5626fa7fe7b4f45f

          SHA512

          ab5e42f897c63acec5e507b8dad8517dfa7544a67ed8761912b399b5b69fdb049eecb16f6994fdd8511a865b63bf037f00e46df1ff105b85245f2d6f635c7543

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          b5e5d8f55b58613e253fdcd4a3044990

          SHA1

          a91156bfe3c5113e9c5421826abab37827a9807a

          SHA256

          1003be48dced594f48931d1df01fff02458f5ff3220f8d123a8d473143d836cc

          SHA512

          11ad36dbc81cd3e6174853cd0faefbb7fbe252fefb8665b65f4463b7ad2cbaba279a47067b1f63e8cd17ed0172d8fa0a57490ac3a5e72a2e3c9243bd234be014

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          80e050ab5c901474c4df8d39feba7fd9

          SHA1

          da9f28590d018cd8da9c15ad9278af7fa63e962e

          SHA256

          c2912ee3572c705bd0217fab0cfd48354d91ee0033d90255d18dc4c8127097b0

          SHA512

          26631c8a94794a94fdb0df7f7b4e6be6f55e92dd934df7b3d5c384af02a1b2fd0a3f6f4bddffd21e24d03eba3fe21730f123020336df6563d4d4ab7a43db0ee8

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          a6aa9e679f513d0c48918d00697bac52

          SHA1

          e4c8090fa7d1e2f61ed56de969757cfb8465c45d

          SHA256

          9e1c73a8a3f7d06a8639c869c5600901bccfecfb2bac252909ba6e4f1efcea21

          SHA512

          9731ca5b3207ea46127a4ed18c2e6ece9abe4b810beb2ae50ed1d47d31198b0dd4bac9b31f6844da15c420a861eecbd4d1b1181941a10dbe0b53d12102edf08f

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          208d13e48b7e9c1b24dd374a60da6902

          SHA1

          2e9b0506dc771c8254adac16fa38b5d8a200b833

          SHA256

          f3fb92ce41296011346e6db08ac9afabc6cbaaf8d7b1a811f689b165c08c1678

          SHA512

          ddd77fa0fcc6dd296a3824e7dbac53ae1eebbdd3d3bcd99f41fd8aa27b69d852d9daf8ef7f9619740bc4a9855c98e760977a8d5d6f236a1bf091841f9a4b2ffd

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          cc67a12981b954783855c666aef08e71

          SHA1

          f0f9c8f81f5d95292e951ac0204a160a41d0d711

          SHA256

          0faefef4cdac3819e27ed1d595daf495d19fe2208628ec215ace42d60b150400

          SHA512

          c1b1b5ee33c2c539d4c1dc73067314649b5b9fb49aebff3405b840bc4df79f63fafa0cacf52677462240195f750c6fefe7d452178de4f3d50a8a77970e6253de

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          20e22147a264695b23a04075f8eb6607

          SHA1

          2449399ae65cce535d2254c518b6a76b57fe93c1

          SHA256

          95bd6e76af9fe121dd44358325b03db875f9d2e51adb23194694167456a4dfaa

          SHA512

          2e6e14d98635ef8c60d18622adb6973cf3ef5f7d6d0487068eeab4c2de8284ef8d913f236f4c59344f5e19ff0103c4f1d8f057afdb8ae755b0df8285740fa553

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          128b03a321e9fc4001a4211bf33066e0

          SHA1

          c537725ef434f1e844d39bcbfbfa8b193cf1f12a

          SHA256

          7b3adfd717f2b124330f0fe6254a5c317995785fac180941f2234d7863706b9e

          SHA512

          e866adef565bc1d1d51202694ec468574571e540e77396ecbdaf75d91e47a40f9cb95e92de2f10b29f68ebe5554a30f2fb559ecb5f0d52867a12708250e44d40

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          83cb90d81d2e240545aa2e16c6dd343d

          SHA1

          9f0d31ee98181519b513dba23794f0561650dcd9

          SHA256

          cd3ccf3d681aede916124db2bb39e3411385a38225685c103ac849a0058581ff

          SHA512

          618bffb169b0c89df64911fab8a184abd946d77b5c99c4bcc5cc1d68d1154226b646004fe39ad277026e16640ea6f74a9415a54c554568bf30732049d913b609

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          5abf5a9981fa8c5be47f1567d7f5b1c3

          SHA1

          177fe542c874b0314ee089953d6c7d7e1093de15

          SHA256

          95bcaf845f0bd14991b78b33ce63725f596fc327e46e6865d48a88a6c5bc01b4

          SHA512

          45d879598c46190e66a1bec05fcc1d7cbb039577a5701ac245fdf835bc7228421e706c7f55f901d91f8818c077b674258737a0aa1ae23bad0c634862aae06345

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          737c70978941143fa5899af20a123357

          SHA1

          ef7da7203768a61cf40f22eeeaba81c6b7f4ebd1

          SHA256

          20da52275577c7689e49213809aa91869f9a699689d5dd59932a604cfad236c1

          SHA512

          e9fae0f33c4314f108a534df08e72237ac2eddbf1fdfdfabc9857ef14b554e8c2e27113e27992463b1831e7631ad277c17aa18b1a2ec0408475581b3ef260004

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          e5a8082de578e2b6481eae52d9313db6

          SHA1

          c78b907f929fd421a5b4367d0b96787267523983

          SHA256

          c956e5f38f5b1a4333e85f7f0734ce01b43a3a0575cf9482ce8b0b7699e412a2

          SHA512

          09c3072b8cd4c139cce645c092357b81687be427230c51d0532bf4a69621cee5f25e5e11ff576ecd11c6a79384ec4478c4fd83fb6188c7d9fd74f6a9cde10287

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          9a9a3393af5c1867c56977e239a4f9d1

          SHA1

          2c61e689faa667686cb46f7d6deafd0b12ee2e0c

          SHA256

          04c9e494ae4607242476985b34807f58a1d58a0c52d4e1fca49238d85774407f

          SHA512

          8705bc218140266fae4cb41153ea55d98bd3f805e61992b37a265d4fc1c970f5728e93dbe266eea07ea08e6bea422058b2cdf44cb21963462f1079b5550646cc

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          344B

          MD5

          5510b5e2c2064354f730d7bd0369b549

          SHA1

          8bfa8b4359110c6e8ddfc00447b096996e48cf67

          SHA256

          557cc8cf23693da99fb58c3ddf85867a5cced86ab651573a217b758747141bf9

          SHA512

          1624ace590f28d71ddf53e940833f3828e08620ec3e55421f73bebd5384ded16dad7e88a935cff10ce48248cca2095bb279cf348f0d956b9759f1513adfe075c

        • C:\Users\Admin\AppData\Local\Temp\Cab1D7.tmp

          Filesize

          61KB

          MD5

          f3441b8572aae8801c04f3060b550443

          SHA1

          4ef0a35436125d6821831ef36c28ffaf196cda15

          SHA256

          6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

          SHA512

          5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

        • C:\Users\Admin\AppData\Local\Temp\Tar286.tmp

          Filesize

          163KB

          MD5

          9441737383d21192400eca82fda910ec

          SHA1

          725e0d606a4fc9ba44aa8ffde65bed15e65367e4

          SHA256

          bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

          SHA512

          7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

        • memory/2232-0-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/2232-1-0x0000000000400000-0x000000000069F000-memory.dmp

          Filesize

          2.6MB

        • memory/2476-2-0x00000000001B0000-0x00000000001B1000-memory.dmp

          Filesize

          4KB

        • memory/2476-5-0x0000000000400000-0x000000000069F000-memory.dmp

          Filesize

          2.6MB

        • memory/2476-6-0x0000000000400000-0x000000000069F000-memory.dmp

          Filesize

          2.6MB

        • memory/2476-9-0x0000000000400000-0x000000000069F000-memory.dmp

          Filesize

          2.6MB