Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 14:19

General

  • Target

    7297dbb63f36319f83cc68fe15073e7adfc748a2771136878a628a2320443575.exe

  • Size

    6.0MB

  • MD5

    09eb8d13e738b3a00cd7a63a707eb323

  • SHA1

    4aa9e56972d8df02d5094246eae2f1bac2fe66b2

  • SHA256

    7297dbb63f36319f83cc68fe15073e7adfc748a2771136878a628a2320443575

  • SHA512

    09b63de74328da7c144c57f89d34cf3309fa1713e819626422e4696cff41b6fe8a0a12c33e171ea1bb74264447f82337bda23df0d0d16c9d7ec49a2922778ef9

  • SSDEEP

    98304:fbdhDqohDS1F+CRcB27OgUWZHw8VQjr+/bJBAUZL5:fbdhDD23a2sWKjr+TJV1

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7297dbb63f36319f83cc68fe15073e7adfc748a2771136878a628a2320443575.exe
    "C:\Users\Admin\AppData\Local\Temp\7297dbb63f36319f83cc68fe15073e7adfc748a2771136878a628a2320443575.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://changkongbao.lanzouq.com/ikW9T1cfeg5e
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:604
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:604 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    18f1a998d927cccfa32aece8b4ce38a3

    SHA1

    076e3bc445f01349887640c5015a2397bed86c87

    SHA256

    f64fa1483dab0cc8da326a88bb05c9220484a658fadaa76cefa0ce4858aa63be

    SHA512

    4e566d6fe21f607eab12819eff2b0b4249896aff349a9b283f34f6008d4765c919a973a73b20112eacc7df4efcff236ab5b234c36207acad9e571765d9492da3

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

    Filesize

    344B

    MD5

    ef202cfb1a456005e160bfb7598dbb88

    SHA1

    227c2686a2db14911d033d1f3bc479be801ba9e6

    SHA256

    994efdf5d724e73ddaefce2f7b0024c195fe021f5dc6b1618eb9b95d598fe812

    SHA512

    988fc284a6a1810c400b4a20dbe12446c1733ab4802757729a3170f73d477a307a38d12d06d920cff7c36ae577c11d1067e0934c55f562067c47a437bf750c1c

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

    Filesize

    344B

    MD5

    a3083cf1699fa4711e7283780a56b945

    SHA1

    259921980d9f9fd9532410a6b0cf01e8be263144

    SHA256

    832d23fb5a50c9174a94624334f90472060590c71ee335ae1065bc097dd8d168

    SHA512

    4557ded42c8f4c89944f5b530402686150bfcb1f0f98e85f589cbedb893fb5c2e580e8b37116ae3785042ae7dc8d2fdce010997c422b0e747ecd03e0aaa5a681

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

    Filesize

    344B

    MD5

    11c8fccf8e629c51021abf396635ec35

    SHA1

    6343d627754520c4dc382827e50a293f7e361e47

    SHA256

    ce39e86132853d078d91157716482dace7a08c701de2a4f16ed53d1353718cdf

    SHA512

    a9e13bc026d66c3a3a769dc6c992bf76af7592cb534d13445591b5ef59238b6379045cac0212643817bbd146e5514ed05cbb041dc693bc73a7fbc488544ef595

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

    Filesize

    344B

    MD5

    34a772c58d4dae44514c57ab47219691

    SHA1

    bc03784d51d0021b5dd1c6a525ff2d95b0057ea2

    SHA256

    af15fee101b8176354b3dfaed534e17c692bd44d19be729f3d8d5a46b4e116ac

    SHA512

    304f0c659aec96db749aa73b86cd8aaf732ccc8f784cfee9015a83018d54ecdd4fe36e996d1c29e73cddcf8f29dbab44f4445caaf629feb74c0be80da6bd884e

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

    Filesize

    344B

    MD5

    0f00fb6c917958c8ad2b2283a4757079

    SHA1

    eeaadef2cb9ceac911e496dfbef649946d6d4dd8

    SHA256

    729550b8caf6ec79ef47abd776bdc7d8267d4948de61c2bc95338ed8eb7d7329

    SHA512

    5b3641ee122673120ab97aa275671b6ead5a9f2ac4152a461f6e19dada75280ada139ec56a4bd4e634f7643c1a6b98a553efbad4f418afd51a2acc3cff140d66

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

    Filesize

    344B

    MD5

    d0256d919ef1a7ddda33fd332d6cd400

    SHA1

    454e222bb706152155e67a533dddff8d55e290c3

    SHA256

    41825df7d300830ff56ec22cbf5829b869c971e83d61aaf91648594025002560

    SHA512

    317cf1b1532a4c2936ba62c7013112c2714587ae9d0378df1d6c57cb1dd995ab8270c7a7adcae6e424f533336b2f211fbdb5c3be5c71cbe639d47fb9ae8f5de1

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

    Filesize

    344B

    MD5

    60949c83f221c49ed84ec5d5bc2b7cf3

    SHA1

    a975ea917945c91d493825c7e0305be7fba70249

    SHA256

    0e4ca06ad0a62d44a96db45b31f20f53e8dabb713abea62de0c6dd61be4243a4

    SHA512

    81e033b6b9e8df46eb20a17cdca5b0d744a8f52964319505684ef7c2aaff1e9d7b3eb7407a5739a7a0c6cb48e88ca2033992816114361a66ba8f7db3b8f34d6d

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

    Filesize

    344B

    MD5

    b16177e0a21a3987aea3e90e927db714

    SHA1

    a052cf20bb99cf0967ff9d79544d44c6500ae51d

    SHA256

    527729896a81747bc8672d43953cf936b7f596de902f24acd9abe5428aeb2b02

    SHA512

    87e00760a55723f7c7d96ba8d50e70520a402624fca0f2a17dd845c82fbfd66ca8a94cde56e79fa3b4b847a2192b07fae0ac51f6ca5b7b02d1f2d4f2ffa828fd

  • C:\Users\Admin\AppData\Local\Temp\Cab61F1.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar6252.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\·½°¸.ini

    Filesize

    10KB

    MD5

    842d9e10867153ad73a1a80d79afef13

    SHA1

    33a49d893273182e8aba6e9531c3077d4ab86516

    SHA256

    2823197bddf0203ea011003a4e70f2687da234a3388b5090a76da2c2562d33e4

    SHA512

    e6e10f63c7d3e65358bd6e66a7328f7d06d096b2ed936cd4504cfb8c6b5f4081dd55884bb915191156965b0eb9b3fda6a97b5b1a1eee45d59a41a4e375d1e518

  • C:\Users\Admin\AppData\Local\Temp\·½°¸.ini

    Filesize

    8KB

    MD5

    02e3c0364cd93fd56fce9c2ae885339b

    SHA1

    ffee74b2301ef0c8e88dfa37c1d180d3eb952ec8

    SHA256

    50fd9ee309fd11fdd83f6cfe01ce6efeca5d8dd36f2cf075be2bf1bc7fa89095

    SHA512

    58f892ade02def2692de3dc09d61161db368cbd8b1491fccc4c6ac04d70d3f971d7306fe81136437c2594750cce65b04e3e510107129f6296e722035f85f6970

  • C:\Users\Admin\AppData\Local\Temp\¿ì½Ý·¢ÑÔ·½°¸.txt

    Filesize

    189B

    MD5

    322f59ce015ff2f1f00ecbe4fdfce380

    SHA1

    eb4756a5bb023f6d1feacdbeac6e94013e15d5b0

    SHA256

    c96ef901d8f23cb7626ef980c4cf5bece7aafeef9b2b8b28829d3a11a51562c1

    SHA512

    2610ce1c0a55da67faa9ddaca26529a87bf5ebc6706621682d54024fa887ca9cd54cdc5b854f8b79ea99b02a5277d6931f633fa876107d9ec1bf503bee23a02c

  • C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini

    Filesize

    246B

    MD5

    b06ddcfdb64cc28ca0a0ef609de5f05f

    SHA1

    bd95d141935795e249d2ab00824839fd42c8f505

    SHA256

    da0a5d79dc6a120811b556885b704f9fd158b1f19dd5a9c595719feb56065f00

    SHA512

    a1dd3cc527ce6a6c4b0ea2c369d4370f6f1bf332c9255e1a8eebfd5986c133dacc2e6c6a55071e5bcf4724f37ff2920f2e17567ca32571e664b458e526be72b5

  • C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini

    Filesize

    260B

    MD5

    924bf7a4ce305dad87743ba3c5773aa9

    SHA1

    12d0fddb472394b23e5176ab4ede38974e723b81

    SHA256

    01faf5e88442653bf38adc145d517f44d3495398e0aa666c7486b7030c126cbd

    SHA512

    2380c957717d3bc97ae2de96aba9cd3b50a1774eb96dc47840add1b12ee13485ee6cc6c4d30953b8f42d32ae3b02657966229fcbe58a60843df0cbd6170eb44e

  • \Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230421.lib

    Filesize

    1.5MB

    MD5

    ef48d7cc52338513cc0ce843c5e3916b

    SHA1

    20965d86b7b358edf8b5d819302fa7e0e6159c18

    SHA256

    835bfef980ad0cedf10d8ade0cf5671d9f56062f2b22d0a0547b07772ceb25a8

    SHA512

    fd4602bd487eaad5febb5b3e9d8fe75f4190d1e44e538e7ae2d2129087f35b72b254c85d7335a81854aa2bdb4f0f2fa22e02a892ee23ac57b78cdd03a79259b9

  • memory/2988-42-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-48-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2988-28-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-26-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-24-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-22-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-20-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-10-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-8-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-6-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-5-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-51-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2988-54-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2988-53-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

  • memory/2988-57-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-30-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-32-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-36-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-38-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-40-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-0-0x0000000000400000-0x0000000000A6D000-memory.dmp

    Filesize

    6.4MB

  • memory/2988-47-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-44-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-34-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-14-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-16-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-18-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-12-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-4-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-3-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/2988-1-0x00000000002F0000-0x00000000002FB000-memory.dmp

    Filesize

    44KB

  • memory/2988-2-0x00000000002F0000-0x00000000002FB000-memory.dmp

    Filesize

    44KB