Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    22-04-2024 20:15

General

  • Target

    3110a15e1d0ccf5c10798393bdfa7b1a02a11d895bbb41ad168930c42ad35acf.exe

  • Size

    1.3MB

  • MD5

    feedbe7df2aff933eed8682e9e25c9b2

  • SHA1

    abed60effd1851cb8b8bad0759d4bdd6b6734c61

  • SHA256

    3110a15e1d0ccf5c10798393bdfa7b1a02a11d895bbb41ad168930c42ad35acf

  • SHA512

    234b9d65394fd8dd4c86d8563af5e382aa6a3723fc6e716debf69b953c725558dfb9a84d7a031506e7a5ee028c551b73481bcdc6f8a1311b0c18b48b8f0c5486

  • SSDEEP

    24576:Qak/7Nk4RZhgKZu0zoFmDcpii9iGn+66rLfJIgtEqPILWz8oDqE:Qak/TFZu+k0WdEacJRIo+E

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\3110a15e1d0ccf5c10798393bdfa7b1a02a11d895bbb41ad168930c42ad35acf.exe
    "C:\Users\Admin\AppData\Local\Temp\3110a15e1d0ccf5c10798393bdfa7b1a02a11d895bbb41ad168930c42ad35acf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Users\Admin\AppData\Local\Temp\3110a15e1d0ccf5c10798393bdfa7b1a02a11d895bbb41ad168930c42ad35acf.exe
      "C:\Users\Admin\AppData\Local\Temp\3110a15e1d0ccf5c10798393bdfa7b1a02a11d895bbb41ad168930c42ad35acf.exe" Master
      2⤵
      • Drops file in Drivers directory
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2380
      • 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:2824
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2824 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

    Filesize

    344B

    MD5

    b38082dacdd377e142c78f2baf8a7599

    SHA1

    a823bf3cbe0a06f959bb70e7df5fb26d3c0b2856

    SHA256

    acf311c041541565addc5d32b7e1b35ae5bfc2a8a52cbc568fc8cadd35f921e0

    SHA512

    4ddbe1f8cbda8635e61f0fe05b7805ce7da06df04e744d474a21471c3a03c8e4ebbbf4572dd351bf3d28c7e0fb632f1baa4ba6693aa2c302ea8bb6e75468148e

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

    Filesize

    344B

    MD5

    efc7fd1d3aeedcd96bc2d45a4a6031f0

    SHA1

    473aa6299b663baf1e860a27035915e9c9ee7145

    SHA256

    7f451cfb29904fe7daeb71423c0f896475c5637ed8b11467e96e183d93d02065

    SHA512

    5228ab3835c2f9365dd5cfcf8b3b18942a29e1593abb2fbb73d00305090d1fd9bdb2027700e28608ac7d04fc0a54a736aa5f10dba426eb9dfa9f2ad5ffc38d2f

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

    Filesize

    344B

    MD5

    5c852b5119cf5a60938d7c52eb917ec6

    SHA1

    5a55026249cc3169d938928c22d4a74ef27f0d3a

    SHA256

    0ea9f81102d679e97091e52d6a208e0b0aa9ecfb836ef09643e839eba38d9622

    SHA512

    44256fcc590c2e88c0e91143668f851b3cd7d6ada2272b865efb3caddfc13dddc53748ae4e3375d982b00a98428a7752e5ec25720408c69bc2f1956a9bc97bd8

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

    Filesize

    344B

    MD5

    6760a4e2cffffd60b7757764719ff8e9

    SHA1

    e4ecb8aca5f25ab4d351fc596199abaea0b703ef

    SHA256

    41221f304dabb6462783af1cb871e671ba9c4d5b26653b94faacbc9da114386b

    SHA512

    d0c18f4430328eb6bdb5efb8e460ef1eb92166cf1005540873d82b3b32f77f6c4d04009b505280efec4f4207bb905d52bbfb47e63acab0d3d69569ad277e74c8

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

    Filesize

    344B

    MD5

    7418bc00910d678bbdb85107928d6900

    SHA1

    e6886046674b2734b8905816e05a9f576967436d

    SHA256

    33991bcf75b06144491681a7c6b454d88d12b3c231a1a805af5a5adfd9f94dc2

    SHA512

    e7f8a17e03afa5599e5f9fa1ce7380b534764c6c90f5a892075442f2ca1ffbfcb0fb2762dbeb7bd6cb2e6928b513b00b6c92e5038318e9008425f6cadd6e52c3

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

    Filesize

    344B

    MD5

    5b7a9c142fd036d1f18302c179e4445a

    SHA1

    c2bcf26d995fa654f103fd9a3ef0dbad962736f7

    SHA256

    d3245f3f0a96499e56a7e51e27cd09b81c22c579f6c64b41d0d8b69a0806c859

    SHA512

    0047f31aa856adb1c95e593e4ed8d88372b2096183c5e68249c315a45d6b61a2908e311c89cb1b10b9b71d10c0132c7e3cb0e70f72788d74e768a55606987a38

  • C:\Users\Admin\AppData\Local\Temp\CabBC7.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarE3E.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/764-8-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/764-5-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/764-4-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/764-3-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/764-2-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/764-1-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/764-0-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/764-6-0x0000000003800000-0x0000000003AA6000-memory.dmp

    Filesize

    2.6MB

  • memory/2380-7-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/2380-9-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/2380-10-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/2380-18-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/2380-15-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB

  • memory/2380-12-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2380-11-0x0000000000400000-0x00000000006A6000-memory.dmp

    Filesize

    2.6MB