Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    18/08/2024, 09:38

General

  • Target

    host.bin.exe

  • Size

    16KB

  • MD5

    407318721d5587b5db6ce7873890db96

  • SHA1

    87e69c62e196961f51b3a973a6b7e810dcb922c9

  • SHA256

    c641e79ae3fa662a639f4fa3a0cb8723030c114bfb2d7ffad488de73afd574ce

  • SHA512

    2dfa2e3c1ad5ba3e4dd81bfd646995fdcdc20c1080974a26cd01254506ba32d394693144758cf71bdc5726b71aa7721551ecea4f0bd8ca2ccffc17a837ff6f74

  • SSDEEP

    384:y0sAA+LPsuTnVshZ9hA+b3Qj5MRjV1V/QBOIjLb1:yaV/+b3N31V/yb

Score
9/10

Malware Config

Signatures

  • Renames multiple (1004) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 4 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\host.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\host.bin.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\host.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\host.bin.exe" --foodsum
      2⤵
      • Drops file in Drivers directory
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Internet Explorer\MemoryAnalyzer.dll.abc

    Filesize

    1.8MB

    MD5

    105785e7fa0b28816bd413237869ef61

    SHA1

    3e52f255982595261865330f68ffb608fb4029c3

    SHA256

    902f407c50aa766d7f83c2e325aff3c38d42aadc3096ac32a36aec1ae98c6f60

    SHA512

    8e599a02d18c3312c77fbded3195360edd661c696399fc8c693ed56f260184e739445e19ad3ff7160e343ead4bc3e0760518da018f9d753d70b384969967021d

  • C:\Program Files\Internet Explorer\en-US\networkinspection.dll.mui.abc

    Filesize

    30KB

    MD5

    f7966f338cf1f84b2c9fef468fe87578

    SHA1

    729158998ff82319bbe412ddf3ff9d9fe5fc606e

    SHA256

    6bfb63fe36ed7f941f213bca4d36ce1a8ef22ba5051017629bb744b8c4a0c021

    SHA512

    66c6674e325225f97cc602848f131d93049d0244fb9213d99aa560d1e6d275b676d6abe3267cf94aac62885263f3ff88c8e3057de22d875ab8d5d60f91571cc2

  • C:\Users\Admin\AppData\Local\Temp\Cab8393.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar83A6.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\Documents\README.txt

    Filesize

    111B

    MD5

    7793d1a4ba8000c9e555f2e423d6cc1f

    SHA1

    49b79631ce21fac326fadc2290155c9272504875

    SHA256

    1204e6c73ff8ec9486e0b2db45e5d193e6894d63069e92085c9deef38e0fcdd5

    SHA512

    08de2ab0158dc667d1a2626713a9ad55959027a23131a894d197a0fe23f0616522e2e43b6d9fa3ea2daa6bc4a46dfad379d4f59bb2f0f9a6255e41e731f0903f

  • C:\Users\Admin\Favorites\Windows Live\Windows Live Spaces.url.abc

    Filesize

    144B

    MD5

    ca50283f74499a356b798aee7e58c563

    SHA1

    8d0bffda7fb1e6ca5de8b144d19f169aba83705c

    SHA256

    937ded9cd4a20f23724c064357ced36a924c989f4ff4ecaaf26faf03bc5f1a63

    SHA512

    39d2f29bbdbc403066b38054920edb6f83adefa30afb42c652d6273bd9155609a5676d8a0b44e1671b8ce7fd9c7d64555c118ae19b48875c226785b5b1efd1bc

  • C:\Users\Admin\Pictures\DenyRemove.cr2.abc

    Filesize

    486KB

    MD5

    784036fe8a25e97be99f40163751e18b

    SHA1

    1e9685c9a6206cd8f808b174d88887bdd394f20f

    SHA256

    049673c37161b7ad7fac021b8a3fd3be6671e2d10ec167b989af308b0afcf75f

    SHA512

    da269f58442edcea2d1d5ff352b47b439500ca005a16d8126b7856f63bf0174a283d002a41fa373de7847e427ab1b60d022a95b2403500910603f9805141bcff

  • C:\Windows\Fonts\BOD_PSTC.TTF.abc

    Filesize

    89KB

    MD5

    97ae80c0661928f867b87e77bb5dda35

    SHA1

    88300fd5df9cacc3abae98485e9af10f05720f47

    SHA256

    4c6ae9a18b8c13bb8b724636cc44d49f525267306f188adc6006125bbb5454ca

    SHA512

    97fd8c14a80253cb98a939963d09abf49c71204ea2942f8511b5015fadd986c5f2e8e3de9893b3f090e557c1d32a04c2aec200633bab548a804bd436d627ee6d

  • C:\Windows\SysWOW64\en-US\mdminst.dll.mui.abc

    Filesize

    17KB

    MD5

    e53ae8a8db4e7f1618711157534fcc0f

    SHA1

    f36221178c858af87e019b38396dc8bf5aef740a

    SHA256

    9ef5a40aa889c61b3097471de7c9980562a9526e71f8be86b432775ff84b726c

    SHA512

    46fc006a03cf420e8f5f4169618c34638fbd6cb377c86e12e55c56024e4b6f993e9bfc290e1cfdffcf118dcf557d674082295f87f359f5b93263ec8ad74605f3

  • C:\Windows\SysWOW64\es-ES\syncreg.dll.mui.abc

    Filesize

    2KB

    MD5

    ca2fa4249d54b2b65f9c9a7cb1f0eb4d

    SHA1

    22b31b9972313b1be71c57d557515e300d0ff8a6

    SHA256

    108e9e263152561e581effd0c259899b54ac32e99f8550b245c03c5eeaa51a64

    SHA512

    9cfc414ded5b817dee048e06705d5a862f92cd46739f9f6a5d744e1475ecf4ed1592cfd37d918bc22298e3fec904ff9c3180d6c696875cd4ca8dbeaa3e45ef97

  • C:\Windows\SysWOW64\fr-FR\grb.rs.mui.abc

    Filesize

    3KB

    MD5

    94fc81ac6b236202502b97584ee28de4

    SHA1

    5b280bf6f6a1610a77ac72a54fb8e4da56f31c3f

    SHA256

    732c3db2c2130ed6fa907e65a33b7e65dd58316435af0595119902df035553b9

    SHA512

    0f24d7893c2bbd572b4c990cd73abbe89df0ef4e2df22af90c81c61a9fd488d66563b23f97084364362c8ec5e13c3bcae360a9916f101e76d6c08c200da43f48

  • C:\Windows\SysWOW64\fr-FR\lusrmgr.msc.abc

    Filesize

    141KB

    MD5

    77e56e4367625e08d9468668980fbf43

    SHA1

    d38e85355a520923eb5542b4f42161ebe67ccc20

    SHA256

    ffdccdb8623ebd3f6f9674ca53d42ba6f34431188fb9cb57557582a4fc852b6e

    SHA512

    f74bbfcd1b82aafb7b79457e61e7221d8f3d1f7f114d2d74426db0f4f535b0a8adbc2b15c5d2e3f83114bb9670681c8cbb42c41589dd912f03590c337281032a

  • C:\Windows\SysWOW64\fr-FR\ole32.dll.mui.abc

    Filesize

    3KB

    MD5

    47b677df5289ec6d0724f4a6e3f2ad84

    SHA1

    1242a9d41d4cd662bbb3a79ce4b1ffeaa2917cff

    SHA256

    e416f847d19fe46480a347fdd97946ba5586205844327b0290a7289283e835af

    SHA512

    f304de768f0ce926373bd756cc7d205704da87ae95e3233bc3e5b41207fdb6e4b2f512ef27f6a3657da505a7940574991af1a2e4194f34f714b4a492e4e3f334

  • C:\Windows\SysWOW64\ja-JP\adprovider.dll.mui.abc

    Filesize

    2KB

    MD5

    c28f4e6e3b74b7b10369212bf05261ab

    SHA1

    eef5865d11028d1d25188ea2063548f588d5614f

    SHA256

    30faadad26a52120f889aa83a6d33ba3ed3eb2e9e034f46e79fec0802b804e3d

    SHA512

    00dd304f3f4877880842368941a1a4b96f4e8ef6508751f6b0e5057facc3d7fc0138297664ae9702b1f418fc0b9470150d5c451b563f2a0b7c12d231b85e5e97

  • C:\Windows\SysWOW64\ja-JP\asferror.dll.mui.abc

    Filesize

    5KB

    MD5

    32b3064dd678b608769a9ca7c8122330

    SHA1

    c8aae66e5a7a7688d4a2c338958888504d9726e9

    SHA256

    0b9d51b97bb7ff3c7ce081b3e56ffdc9dd2b02c978e7c58db0e010ea8d1243fc

    SHA512

    bc2bddd05b7dbb5294baae8465f5b0d8d8ad9ee07c388d84bc3c74c230943a126f25f525364ee88b92cf0cf9fc806a8312717fadbee0345f99604da9129c8d47

  • C:\Windows\SysWOW64\ja-JP\icm32.dll.mui.abc

    Filesize

    2KB

    MD5

    02e24c4e51e83e5ebc789b5345af2f03

    SHA1

    63a8e76b496090a3562af56e6d32be9a1f985dbf

    SHA256

    cc3703efce7fa5f50caf01d210e93ba23eef62dd64adb4476b7782bc1014fcec

    SHA512

    4ea413f150fc95016042302f56941d2475088f3c8160a00a08179912a86a1cb32c165dffcaa503c7aad0c6b53fdbcad5bbf0d897a75f395b6c00f277c3b87543

  • C:\Windows\SysWOW64\ja-JP\ksxbar.ax.mui.abc

    Filesize

    3KB

    MD5

    0f9f6c74172aac63860a41d09871011f

    SHA1

    e5d8a212cace57ec993edf6268faf260c2e22aa0

    SHA256

    5fc676b99477ce19854746eaa84f56848058e159a5280c9273e8ebe1f752b713

    SHA512

    1ffa1f5bf15a2bdd62d8ac3967089c832dbd8b50534461334110b5670eab496d9d65e189e1be0e066bb357f2729848d81f1dea74df2ff58a73bb790f0ea570a7

  • C:\Windows\ehome\ja-JP\ehjpnime.dll.mui.abc

    Filesize

    2KB

    MD5

    bf2ead7936f027b11eadea31f83f5cea

    SHA1

    209b80cddd3c445c84c074e1e95b18e85b28d640

    SHA256

    c92d63ab25a5aa6e62cde6a05c141e50c8be45a414085825cbdff410a069f853

    SHA512

    a8939e7218eda01b9c2204d0340534308667178f481058bf1ffa58abedccbf6056d208a53507558abb2a076847588ebe731c08657577b30476dfd03bde5e9093