Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 11:16

General

  • Target

    69e4f6710ee8e515ea7b44c6d47329b224419c57271c2dd6c7b04646167bbe5c.exe

  • Size

    6.0MB

  • MD5

    6070a5a647568555a6544f195ec340fd

  • SHA1

    61dcfa5c38a817732e0b676f5485b9ae04f341b5

  • SHA256

    69e4f6710ee8e515ea7b44c6d47329b224419c57271c2dd6c7b04646167bbe5c

  • SHA512

    327145d141abb27c574132ec74a33911aa83f65452cc5dc1f7b7d18b78b384f23ddf5bccc277dfdbf599f32b502e22840704ec0ca4656a3acb7523a0c80b5f9f

  • SSDEEP

    98304:fbdhDqohDS1F+CRcB27OgUWZHw8VQjr+/bJBAUZLF:fbdhDD23a2sWKjr+TJVR

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 28 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 24 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\69e4f6710ee8e515ea7b44c6d47329b224419c57271c2dd6c7b04646167bbe5c.exe
    "C:\Users\Admin\AppData\Local\Temp\69e4f6710ee8e515ea7b44c6d47329b224419c57271c2dd6c7b04646167bbe5c.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2156
    • 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:564
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:564 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    344B

    MD5

    b54c485c8d07c363f6a2f192969db96f

    SHA1

    5dd6cd5b3cf766843cdfd430ebd72126158c6150

    SHA256

    08196bdb9ba5f3895759ee3bdc93b9b6fb197a9c9db74365b1d553910929ff2a

    SHA512

    26f0f5f6adb861eb7106e85ae9336471258813fef9086f8edfd130887b802101199c64c2e5f712526de1108d14f95f7bf75b6c66cedf6035ca6396d3c01b3dba

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

    344B

    MD5

    959f755d6664e265246ed650922c4fd7

    SHA1

    8af2550fb2586c3fdc39e063214aa5687893efda

    SHA256

    a2fd98ec6a2947845e8d95942daf2c2dd322920179b8225c2b1e9a980c64e5e1

    SHA512

    2e9fd859a431af47743630785c4c68804b1537fa7b5778df1632f4ee782be787343187bc1a780d2d4f63b0980a268549a97faa87304b92aa69cbe255f6da46db

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

    344B

    MD5

    738af5c8c1dd356c85544877485bfb2c

    SHA1

    5ab86f4b0561f55db94aa3773cf17f0235d751e0

    SHA256

    b0fd4265a40c493f230b5b9102e91519e373cf09184795244a5db692d64e4019

    SHA512

    59d011eff8ed20d0045da3ddbe7d10e6d4b1d675639dc7ff4dbc5e3b4eb0b780a8fe684ba3bc6b266e4d4fc59b18d3ce5b277fc849ef2dfd59277724b711d863

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

    344B

    MD5

    adc54c36626a284178caf95257860542

    SHA1

    dddf8570c55fc9ed3596985eab9b9b19a23c1738

    SHA256

    c7398d9649fa106035c2ff920f0dba387c4d7d68c341a871ebbeab6cfc1f0cfb

    SHA512

    17910bbcb50c3c744842a01e1d56210f8fbcef6e1793a9f7101fcb19a5813d94240728ad4f6590d11986932fe684e1289666f2ffcc1644099276e2d644352ad6

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

    344B

    MD5

    5a7d9fd9074c3c71658e06fd6cb1c2d5

    SHA1

    b39093b4840cb633ce6e5e3c8daa4e7ecbdad89d

    SHA256

    e1aa48b94b27c559754d69b78676507e8846513cca346edee972f45c72e8735a

    SHA512

    3536fb487289c2978f5a3eb982c07a54b912dc8f5693bdb6473a6e313cb6b5d5a3a9ec8075f1d2d0df8f9366078dd00e01814b69173d45a3907c489804b2ebdf

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

    344B

    MD5

    968db7896da1f5c28d0fef0035c821c9

    SHA1

    da2f80246ddf94b5c142db28e4980ed69eddcc6d

    SHA256

    5aeb7849d294e44449347ad5b86071f10c37898c70cf41cd06ad422c124399a9

    SHA512

    14102b5934b9aa631a9ecdeb77412f27d143208d76b6414005011110730451a2b965581dda8d3beb493d96a70f1fc72ae6dc479949fc7646cb3e3e44fab0bafd

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

    344B

    MD5

    dd5bf082147e269e67d0bb78b647adac

    SHA1

    3cc949de5254b1507cc64d29be25ba7c8c0d9e8e

    SHA256

    ea5761f1f93b2eeb977782fa592e1d70a0d2ed48ba57cb151f49665c3fe85ad9

    SHA512

    2dfc5d38a2bad8768dafd84ffee4a542e6135b356ca449b4e2ce971a907ba05951e42047d73d7f884cc598e977c07493c0de6dc38539ce9b28d41a7dd58cfea3

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

    344B

    MD5

    d87e82e296c0f4e31fd791e5c35ef5f0

    SHA1

    b814b3d83f9658c3d6f24e2c07f8cda5e165c8dd

    SHA256

    9145f4cb8f2ddb5caaa81a4f2b182412f13d201fd4211660c9884c0fdde6a35b

    SHA512

    ead152b5bb8bf7eb3a05b6604403983ac78de3d74069173b52c28c232e8e8cd4ecbe9f86d6fbe91b4783f9e28730e28abaac518248ba9d5bdf747d7311ddb8f1

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

    344B

    MD5

    57b256379a9c9be9188e1eb0ae8b1a72

    SHA1

    a75efb160445fd45e50621bc5fad12bf9640d4c5

    SHA256

    a55e4bab28679051072e945d2e67e1baaaaae87539388be98fc62aac97b56426

    SHA512

    91f909a534c31b8e810b2d952a4babef0f819288c341adbbcc1b7c2768d8e83600a9db0b7df08c6b9acaa7f7b5914f1c202fdf6fb2dfd94e8261f0a03481e280

  • C:\Users\Admin\AppData\Local\Temp\Cab5055.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Cab5112.tmp
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar5127.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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

    8KB

    MD5

    66b747a2e42a147cdd58f6ac27b0559e

    SHA1

    377d11244426348f252e063c5456fb56ad287dc2

    SHA256

    9b14dd453bf79634e4b13b51f32a5edd6e079d9e03991a511874b844b3310f3f

    SHA512

    3d091f68ededb48fbbb2bd1f2c92e192c9e37291cdc4fd272ba3d41d2f257768eb149e61b0ea2d4e849e26dc02f2a5b5b89c021eba1835b634b6d2750b546549

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

    8KB

    MD5

    16ef8177433976c14d23f839a8c1152a

    SHA1

    2b653ca841498be9292cbbc8b5119504e225f56d

    SHA256

    2a30dc50f2e6e73b059d7419b34924114bffcfa8d99f7703bfbdd4f9e5da8855

    SHA512

    9cccf0eb97b898988e5da63584e195528dd3a0f34d0608844a33c6ac5928d83c8159151a7a15d5382a10114b819cb72d8c5840d254d9ac1023ad6ac22ac4833e

  • 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/2156-22-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-48-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-36-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-34-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-32-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-30-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-28-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-24-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-20-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-19-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-16-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-15-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-53-0x0000000000C80000-0x0000000000C81000-memory.dmp
    Filesize

    4KB

  • memory/2156-56-0x0000000000C90000-0x0000000000C91000-memory.dmp
    Filesize

    4KB

  • memory/2156-55-0x00000000022C0000-0x00000000022C1000-memory.dmp
    Filesize

    4KB

  • memory/2156-42-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-44-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-38-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-49-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-50-0x0000000000C70000-0x0000000000C71000-memory.dmp
    Filesize

    4KB

  • memory/2156-26-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-0-0x0000000000400000-0x0000000000A6D000-memory.dmp
    Filesize

    6.4MB

  • memory/2156-10-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-47-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-40-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-12-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-5-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-6-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-8-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-4-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-3-0x0000000010000000-0x000000001003E000-memory.dmp
    Filesize

    248KB

  • memory/2156-2-0x0000000000200000-0x000000000020B000-memory.dmp
    Filesize

    44KB

  • memory/2156-1-0x0000000000200000-0x000000000020B000-memory.dmp
    Filesize

    44KB