Analysis

  • max time kernel
    67s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 13:09

General

  • Target

    1d241bd0b71408abcf11871a9318cbfcd925b195814951c3123abca27554c6f4.exe

  • Size

    328KB

  • MD5

    3ef478a7c898e91f09385da44555d986

  • SHA1

    07c1f289891b59892ae45253ffdc969f11267ac5

  • SHA256

    1d241bd0b71408abcf11871a9318cbfcd925b195814951c3123abca27554c6f4

  • SHA512

    e67b411fbc1a05a6482b03d8320fad0bd08836c5fa651b435473ee3233bb62240c1ffaab1ede7f58fee9eee70f4e313a230411a143495e2d30826546148cd4d1

  • SSDEEP

    3072:uhl75wtMO7RTbcA6Ao7A75PeunlG7m//5/vZ/5TVk5ixJNe4yg6bMtJWPhyhMvcc:E5sRXcTAmEFRJ/525caYzfpCHFc8j

Malware Config

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (7831) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 16 IoCs

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

  • Drops file in Program Files 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 18 IoCs

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

  • Interacts with shadow copies 3 TTPs 14 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d241bd0b71408abcf11871a9318cbfcd925b195814951c3123abca27554c6f4.exe
    "C:\Users\Admin\AppData\Local\Temp\1d241bd0b71408abcf11871a9318cbfcd925b195814951c3123abca27554c6f4.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\users\Public\window.bat"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:35952
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /all /quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37212
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=c: /on=c: /maxsize=401MB
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37768
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=c: /on=c: /maxsize=unbounded
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37856
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=d: /on=d: /maxsize=401MB
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:36024
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=d: /on=d: /maxsize=unbounded
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37620
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=e: /on=e: /maxsize=401MB
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37700
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=e: /on=e: /maxsize=unbounded
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37624
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=f: /on=f: /maxsize=401MB
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37740
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=f: /on=f: /maxsize=unbounded
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37780
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=g: /on=g: /maxsize=401MB
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37884
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=g: /on=g: /maxsize=unbounded
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37804
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=h: /on=h: /maxsize=401MB
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:36080
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin resize shadowstorage /for=h: /on=h: /maxsize=unbounded
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:37868
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /all /quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:36396
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C C:\users\Admin\Desktop\DECRYPT_INFORMATION.html
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:37416
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\DECRYPT_INFORMATION.html
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:37580
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:37580 CREDAT:275457 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:37672
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:37528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\DECRYPT_INFORMATION.html

    Filesize

    6KB

    MD5

    027a9b15f2b14f624fa08b09e31c5c73

    SHA1

    841c408ca0f9819c1d7b61bd37720c113245d886

    SHA256

    a1f7fa38c79ca996b6e363726b8c8e7713292191d9d5d97b6a32c89cc7fdb805

    SHA512

    079e9ef53dcfb21be44c1cf7f1bc2327b8e82781b98827847124bcf0245184234467e527e939a7a16fe7f0153dc5e7bc4b25a600689363f12508734cc7b750de

  • C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys\7f603bed929170f96576b4e2d9988a32_5a410d66-f84f-4a6b-9b29-3982febe58d9[[email protected]].HRM

    Filesize

    2KB

    MD5

    4a78fc46fc0619192678f3da77f68e3a

    SHA1

    3366d203869bdf39f6918af41585559b7ad42d66

    SHA256

    6d2da9376953fa2416f4c3a73b605a23c51c1b711a95a0523a7d58b7f035b7fd

    SHA512

    091eea752c9c0dc8d118d30b44aa7744d1d86432b90371a06f85e2de346fb136eeda3c252f4f334747a944ccd6cc7979c97d497c751d613831dcf0bd130c65d0

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    914B

    MD5

    e4a68ac854ac5242460afd72481b2a44

    SHA1

    df3c24f9bfd666761b268073fe06d1cc8d4f82a4

    SHA256

    cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

    SHA512

    5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

    Filesize

    252B

    MD5

    d7ec9bf175a71856aa6a7ab8a84dcc4e

    SHA1

    58db8505d8061d29e62df18637df7c3d00ff12a0

    SHA256

    258bdf5b3abeb39d1d45de283f3fcbe229c2fefa1691fd739f7259efa49b222d

    SHA512

    348dc841a2b2d8e33e37df3aa981efaaaf2be6c1d4d4e2459058191241b5aa853388bcf8b2823db2b6f72599f6c7ac01ceea0ec394e329f48e13bb093b5424e1

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

    Filesize

    342B

    MD5

    fca457294647444130d348cfe3c050e9

    SHA1

    3118129cc34d11f434751319e4faca7da1b7bb7e

    SHA256

    bd880b999194cc37cde9be10f2ce111262f356d46ba9c457e9833c4d61a5d768

    SHA512

    16b591a43e532ecc2609a29c65f83d3a385346e24131884540b84f88dd64d9c18190ee99cf4c8e2da5db85b1cd7d1878cf97512b13a2ab464d9ead1a2deaaad7

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

    Filesize

    342B

    MD5

    e36276be5de348bc42d9a60fc0ce93b6

    SHA1

    3d8f00cf69a28cadd4a0dc381cbf2835fe494462

    SHA256

    6cd9465333306daf22718f84e57cda6bc456ca00269cf7b1538657b0ccecd842

    SHA512

    3145e3ea3d4292d99799bd0f83febc651ff1fd08219d21ef45e391f529b394d7364f594d4344cfe00f4dea62250216074d185c83efa8a3743591fa3f25ae24ff

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

    Filesize

    342B

    MD5

    981a6a6da0f0b083dcda64b561ae4f76

    SHA1

    0587cc2328aaec3335b8d73ce1402fb3fc6733f6

    SHA256

    0a20bd889876135870d79af75f4d294b03bf06a22868be1b0b37c9684c8f3c0f

    SHA512

    62e4426150b874b5d78c68e1fcffe5849c6df8697f160fc8258166cc53fbf2e110e284ac0626da1a52a1353848f3682dd6052e3ff8090556d46367df1f66c641

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

    Filesize

    342B

    MD5

    e8495211851ad7b198ded047edf4ccfd

    SHA1

    0dbbf7ade84c3f6b6d22f40ac8d8aeff354f8005

    SHA256

    a814c52eead901106b03cdee621fe8f410a698efa22be32f768e233c43982c0a

    SHA512

    3056767ff43b3f6b0b189ce17b8e5594149b76296a5a1656844298bbb411343d8021d556f18b7a9d6ab49ec60c3b813660d36147a4b585533ec2c47227868dff

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

    Filesize

    342B

    MD5

    73f975b2b33060fd2eeb59e87789cbf5

    SHA1

    e7157549e9e09fc38235b0c116a40ba13ccbf8f6

    SHA256

    05878b595ddf42ab3d3b7b8805ea2853a9e25ea944b96ec6cbc5ee49f43b665f

    SHA512

    ae3d049764e66a384f2e0d1be8373890c7c509fb118414439bff8882465257df973181c0b30792cb8797d1ba447549ebd7660225252384302e45a6bea7cbed9b

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

    Filesize

    342B

    MD5

    0f9766e84655f836079f85e78a6dc779

    SHA1

    3ecb7e87a945ca37f66ee2c6a50d8d4f8d7f70ff

    SHA256

    1858cafdd5c99dc0483e3bb569a89f492143098466d1eaf06455ef3a0701ef32

    SHA512

    84307010b1b51ac58780adc6a0c66f7c59e849131e9dc99bb02163cf818668da1ab4740f9aa89159aa2f46487e0da7ffd18d61d62b165ff9e6f65fe8fd7476c8

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

    Filesize

    342B

    MD5

    5210f409778b803f8a248d4e26688f37

    SHA1

    6a9e8eefb720e486bb97380e29027542aea7942a

    SHA256

    bd389e008eb4830e05491dcd560b65882f81622ac28a329ba904466dda152f3d

    SHA512

    e86ad0c72e88ed2d7baa08733a463646edf737a95094938600627e7d69488d49d089ef8e609257a519ec8a94853ab83603e9466e89b6f8761f8b52426df580ad

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

    Filesize

    342B

    MD5

    3c54978b28d5e405a22daa910b0aa968

    SHA1

    a9effbf279be784e50ff8e67352034a395048960

    SHA256

    70933facd36cbb5918158ac14d626edf9eda1cf4d36cc8b5cb14528d56fbf9c7

    SHA512

    ac54d818b025d2c773a6f8e4d804dbbddf056c8fb85a4608c2e7b6e0dc6f13da6f4cb59703d36930e0b4d4c73a9decfb97ca8a36ab5e1a96bce07a03b483a09a

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

    Filesize

    342B

    MD5

    fefe1db839595045a814b615e557da02

    SHA1

    777aa67478fa395e4db51098597916ea9e68e3d4

    SHA256

    6510e034cf6b0be357c6598e96fdc2156dc1aa2279a94d5912bb2914f756ae7a

    SHA512

    a8baee23ec3ec7f5c18c013b95d88e25d83b2d23a0a8eb611d3507070a585f5b8042f731702a618c0fb9e3859ee2cd1085efa5d44ce4659d40ce4b0bf75f0b47

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    594c7ce0956adfc6e9abcd7e310963d8

    SHA1

    b98082da4a6df0da21ac136736f0a7566a6c0fa0

    SHA256

    05154b7229fb0fb732c48a938e27832ee622ad91bbb979abab157c134626f7be

    SHA512

    aed4e26f208c290d53db8610fc3f5a9b89b4fd9e8dc2e4f689d68f6b732c2ac488a0d18c520727b497532e71072a410c6f3d7ed9c744eb6779d0592488f87c5d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

    Filesize

    4KB

    MD5

    da597791be3b6e732f0bc8b20e38ee62

    SHA1

    1125c45d285c360542027d7554a5c442288974de

    SHA256

    5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

    SHA512

    d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

  • C:\Users\Admin\AppData\Local\Temp\Tar7371.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\users\Public\window.bat

    Filesize

    1KB

    MD5

    d2aba3e1af80edd77e206cd43cfd3129

    SHA1

    3116da65d097708fad63a3b73d1c39bffa94cb01

    SHA256

    8940135a58d28338ce4ea9b9933e6780507c56ab37a2f2e3a1a98c6564548a12

    SHA512

    0059bd4cc02c52a219a0a2e1836bf04c11e2693446648dd4d92a2f38ed060ecd6c0f835e542ff8cfef8903873c01b8de2b38ed6ed2131a131bdd17887c11d0ec

  • \??\c:\Users\Admin\Documents\BackupConvertTo.potm[[email protected]].HRM

    Filesize

    405KB

    MD5

    2dbd8834a3c0a8976629a5e52cd010dd

    SHA1

    386c8313e67d8c59c4b7022f276c441020d775ec

    SHA256

    1b77c73e4d01ab1aa181f1622b45a08e8e86c64694f3d8e14c62b1008de7ff85

    SHA512

    990b2758c1c8149d159b88ffd4e588b77e0b0297ddc6184bf19e17bf3c523bd7ec22853a0b71986ef2721b568c0b6cb28d521e957b2e86eb2c2905d9eb2e719e

  • \??\c:\Users\Admin\Documents\BackupPush.dotm[[email protected]].HRM

    Filesize

    476KB

    MD5

    e489d659c5b6204cb8289c199929a1e7

    SHA1

    228ba58f041a90550acd6a0fd1c9cfacc321af40

    SHA256

    43bff5b218d2a561a65536ab1be5349e8e5c0695e38d62e6df4f129674ea69a2

    SHA512

    ff10c340e7263c9b97b1ed96ce98bc8dcd881d855c89ad3f5d5f20d0fd5590069012a11f0b1eb94d20dda64715ecf1e934e70529c4a60ffb56a23fdd5ca61cba

  • \??\c:\Users\Admin\Downloads\BackupMove.odt[[email protected]].HRM

    Filesize

    832KB

    MD5

    d3fe6d373c4f101d5841f0da6ff183a2

    SHA1

    aff14157d1cfe2de47707d880feb41fa73121a07

    SHA256

    4b15eafa45949f7bfd731f4a9bea841548c0efa5fcc8ccb747bae73a559d11b0

    SHA512

    4e7887cc5241f0100589852d41bb531acc359d1e298da521ecba40b79750721b75e3c1104982c0c78cb70a7205cf6a8b718c72a89b24477c0208a1b05d315625

  • memory/2292-8476-0x0000000073460000-0x000000007386F000-memory.dmp

    Filesize

    4.1MB

  • memory/2292-8475-0x0000000000400000-0x000000000077B000-memory.dmp

    Filesize

    3.5MB

  • memory/2292-3808-0x0000000002410000-0x0000000002490000-memory.dmp

    Filesize

    512KB

  • memory/2292-2-0x0000000002410000-0x0000000002490000-memory.dmp

    Filesize

    512KB

  • memory/2292-14677-0x0000000000400000-0x000000000077B000-memory.dmp

    Filesize

    3.5MB

  • memory/2292-2730-0x0000000000400000-0x000000000077B000-memory.dmp

    Filesize

    3.5MB

  • memory/2292-19309-0x0000000000400000-0x000000000077B000-memory.dmp

    Filesize

    3.5MB

  • memory/2292-3-0x0000000000400000-0x000000000077B000-memory.dmp

    Filesize

    3.5MB