Analysis

  • max time kernel
    38s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2024 15:12

General

  • Target

    568a79ce585dac32af237cb187b663cb6d2e4f594d66860c7ea1b3c66e4b7919.exe

  • Size

    78KB

  • MD5

    0163a114f3cd11d4a2d3c1374bf4878d

  • SHA1

    96b9b8510641a18f7920f48078087001a16db568

  • SHA256

    568a79ce585dac32af237cb187b663cb6d2e4f594d66860c7ea1b3c66e4b7919

  • SHA512

    0104fedf9a6cc994a267f743c8fa3324af388e2191dec5aff1eedf7345a1d0bbb4829db2b846dd6f7e63e2e4c04aaa0d315ed8b7361c8fbbd8b9f0096e90cba0

  • SSDEEP

    1536:freiQwer+Gu3gzQ6qOAI2PneemZcsABvYPpXUJqnwBWH9R1X3Jq5:yiPGu34Q6pAgeJsOOYByXHJ

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (482) files with added filename extension

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

  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 4 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\568a79ce585dac32af237cb187b663cb6d2e4f594d66860c7ea1b3c66e4b7919.exe
    "C:\Users\Admin\AppData\Local\Temp\568a79ce585dac32af237cb187b663cb6d2e4f594d66860c7ea1b3c66e4b7919.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\SysWOW64\vssadmin.exe
      "C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2828
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\BabyBlue\TAB_ON.GIF

    Filesize

    2KB

    MD5

    07517915a459923a5a1096d77d9b35bc

    SHA1

    9c431640331275d90f8591851c7167159df79a36

    SHA256

    66dd04df2b29645bfb9c491ce29daf7834a84dcd31f2b19049b07f632d28f7ba

    SHA512

    762b7739e4db4edcb8a7ff963b7f0835ce575eea6d0fd3c97676c7c701a01cdd14cab7cfc1abe703e9ef305cd1a951565918076c0d4373766109c66685ed1248

  • C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Biscay\TAB_OFF.GIF

    Filesize

    2KB

    MD5

    8e5c26eacb28d75b31d79d926cba19c7

    SHA1

    b7d93d5f6ad3f417c2ff5127fac880d88958f770

    SHA256

    5d01fb1510aad5ba5b2dfebdee406cb72c378d8c7d072307f755c9a0dcd2f594

    SHA512

    a29349ad2cc72dc41561b48e8f5c637f5ff59fbb2566ce79dbca595f07aca8dedb15456c8141b8ad5a41cacafbf85ce28b3172bdc56b5fe5dde35ae0c561351e

  • C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BrightYellow\TAB_ON.GIF

    Filesize

    2KB

    MD5

    e4ef5753cd3589d9332c14e73b273a88

    SHA1

    007f7d1fcd2d18dfc1f9e9e0bb52aa6ecbac8dec

    SHA256

    b7b105221fb425518e28b27907c81af3cd56d9b262edc700975e9d8a5a9b3d2e

    SHA512

    80682ede69c73e5051b5543a9fc17b9cbe4a2aaeeda53157a5f16e7959209eefdd8615eabbae34de7040f22b77470cb2baf658afcd437bba93e5293462ebc7e8

  • C:\Program Files (x86)\Microsoft Office\Office14\OLKIRMV.XML

    Filesize

    79KB

    MD5

    991936d293e4e8a4dd98041cf15e7dbf

    SHA1

    bb669422c7f50de5f179a72d21150e148e82a051

    SHA256

    6edc93fd3692b0857eef9b74babcb5a3de842bce064d4abdba2e4fab1398d3a6

    SHA512

    1fe020dee023dc899e8fccb912b23889db380b6321c44f13dea71e62c77c1bb5e3dbbd3eeaee9d5c09f3c2bfc68be3f43b6fda8e2f8c41cc424051c917ecc7fd

  • C:\ProgramData\Package Cache\{6DB765A8-05AF-49A1-A71D-6F645EE3CE41}v14.30.30704\packages\vcRuntimeAdditional_amd64\vc_runtimeAdditional_x64.msi

    Filesize

    92KB

    MD5

    c31d82610451bc55f1c31e124e36e4ba

    SHA1

    2acf1cc40af32056b657da81e4173450fa1b43f8

    SHA256

    c39aa3fc820d316739c8997f4b1261c17edfd64dcec62532f0f4eec9953dc392

    SHA512

    4fbf4a41c26f5dbe0546675057e2d5bfc6763720829e44f1eb2cda0cde2325f81520a6602918f17025b503ebdc855e6fa4e3bb514e98021c833561dce5bdac13

  • C:\Users\Admin\AppData\Local\Adobe\Acrobat\9.0\Cache\AcroFnt09.lst!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    9KB

    MD5

    09403f4076416e7be4aa3a0068350085

    SHA1

    a2dcc7de9d6f9c80cf37d5e1e69ee71399e088de

    SHA256

    249fea9414019d6cf08f5a780e450f8243768a0dc46ff384b76e4360bfc6c3ca

    SHA512

    48f703fdef4da7cfafe9b52e069bb3a75db822d5799db7e3e8f55eeae49fac3b4b7539d32714aec9c0ca8859b2fbefe442d9f1e74016e8095c98d08b01fb5867

  • C:\Users\Admin\AppData\Local\IconCache.db!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    92KB

    MD5

    ccd30a6c189878a66220b78775b7942a

    SHA1

    d5ee0d7d73817c3469ec3d99a225b64c77002e7d

    SHA256

    d8c69af134b1d65179f8cc4e7e5ac29cf2722a62513b269e116e947725fa66e6

    SHA512

    7c347177a7b17668257f61717f659c50a98e8e4a884f851951f69dc0c22a488f395a7f6f6ef03055e8d1350d4a73550427fec5e628da9253157b96a88cc5e3ee

  • C:\Users\Admin\AppData\Local\Microsoft\Feeds\Microsoft Feeds~\MSNBC News~.feed-ms

    Filesize

    29KB

    MD5

    279c057c301d4e5b5ecc638a3c58c932

    SHA1

    ee4dfeb225375f2747cd01e26bdb78369f59d6d1

    SHA256

    52a930e794f72198dd0011889ce9da276b02bacca432e70a225f06ca204461ae

    SHA512

    791ee8ce2e9d03becc4c2e826706ee909a5f8295b75dd514df84dd9c8347b34cd70af3070652aed2e3fcf8777506a10cb25aa3406b18c2d836d1049f467b69c4

  • C:\Users\Admin\AppData\Local\Microsoft\Feeds\Microsoft Feeds~\Microsoft at Work~.feed-ms

    Filesize

    29KB

    MD5

    9cb794e8485735b0155443d6fe8b0d8e

    SHA1

    63d8b6e86ad1347c23935fe96a5933458e8c31fd

    SHA256

    ee031a7fd02b2f1ab7154a9f2676b42307f0dab19f47a8c49800a44cf5f2b421

    SHA512

    f156b277e7bc24891eacfc8486cd9a0412244818fd425600aa411ebbfd7aa44576496bbe5fb9d77d2ddbe6fe9d8a0eebba9c32dc9a678bdcb51bfa9e91de078a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VmHslOfI.lnk

    Filesize

    1KB

    MD5

    b657c23074a14a75893a996660e9414d

    SHA1

    4f3cb3bdcccc61c7fc37453fe8f5c64ffe449c24

    SHA256

    3878e536d1f6b8ae34fb32e93319eb71a0727b83224e4d70c709dbd2e0805e6b

    SHA512

    9ec122dd78a27989cdfef78858db6a4d7a2331cec659807e29c6c72facce38c8610d15999f8e4284270f64d878c41cfa5eaf173a78a4ef7809034b0b6dda58e1

  • C:\Users\Admin\Desktop\AddRepair.html!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    263KB

    MD5

    98ceaa025e11f2a651130805f3d541cf

    SHA1

    053a1ecbee6328480db9953a887110f12953e31a

    SHA256

    9b3a76cc05c79a6a0be359ec4a05fc5f4a0b4a9a68846368cbcd4a8f1d05f504

    SHA512

    db4996f213d57f0bf392566ec7907548e125d258e1e009399b79af299d533fbef6c3e544b99a5e9119b1fdf8b90023a9722f8ff4600874bf93767ae58c07e941

  • C:\Users\Admin\Desktop\BackupCheckpoint.3gpp!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    275KB

    MD5

    ec4b37175c1d0dba183112d6b555850b

    SHA1

    4fbf9a5f20f9c6ba3635844e6228f5a60c225064

    SHA256

    5609573b45d7c9a24e2ac73d84bd25efefae24c8090920813ed171365cf05f1f

    SHA512

    edad97a554753ba46b9318e6beeadcdf68ea126998d816833e107933e3a661ccea94077191b6fe4f807c02c2e5120f2f7848668a12c36e6db246a01d4f5342af

  • C:\Users\Admin\Desktop\CompareClear.wmf!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    337KB

    MD5

    941d427896461fa36353261075ca38d3

    SHA1

    038618652b3563eb4e85cc6e74179c53f797d22e

    SHA256

    38a9d2ee88b66ecb78cd453f46a33cd4960577419b64c97858b49a664b51f264

    SHA512

    b46ad1bee3d1c99f4c3675db1f1e5a2b247200d852583b6feb28a5e9c4b1c627de96a5ab2fd93cfa9ad2a26e659f8e429cd99172e36405128402bf1154d2004f

  • C:\Users\Admin\Desktop\ConvertToInstall.xltm!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    425KB

    MD5

    b5e9b0eebc32d00ee6793e3d5eef6694

    SHA1

    169ec08b17f1e637cfe950a257f9992962de7293

    SHA256

    dce8c8dafab03448aa9c265b2610213c1ee6bddb59bd89806fd53878450812b6

    SHA512

    4d66675509394e65a814173fd0631eaf089b2222e3d9de732d9b8365eef5f410de80a19979dbc1f8962413150820147aa5d333719dcd0004ec28fbcf8314343a

  • C:\Users\Admin\Desktop\DenyExport.ADT!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    93KB

    MD5

    be0729fa9fd689668a31581445031d09

    SHA1

    5cf955d9ad945bc3ad7f91e6db4d80692fb109ed

    SHA256

    f96f9c155c165f15ea900a907cc76271afbfd30862173178ea1faf5c4070f3d3

    SHA512

    e146ee9cc04515ce0fcb80eb7746b93ba0aaedb35ed098db9e24f0b00ade620b2f1759c36cba3f51374373626ee27482f312a3569c5b963fafdba6d2be619456

  • C:\Users\Admin\Desktop\ExpandReceive.dot!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    93KB

    MD5

    92811745064a35901e2047cf1c494f13

    SHA1

    77a87c74b03e743b63aff86106e8430e5a120ed0

    SHA256

    6eeeb3eec49dd1ef09e23bc52d7d57c9dbe8981138030f6ff7e7d43269bb5441

    SHA512

    00ea0ad8c063a5a9b4864a4aa62f91dacf3a0cb1f718995dc59a494120ade7b8cd846ed6dbd0339b4defe4943d88e3bd50437acb311584a20edee3ee1dcb01c8

  • C:\Users\Admin\Desktop\ImportSuspend.pps!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    325KB

    MD5

    c7846d2373ed8a374790cfdd6d228149

    SHA1

    d63ba7fe77ddd3710001df2d93a0a126e1d03eac

    SHA256

    b431910272b4764ff7ecdd0e78af6dc487c0391e08633b6997eb5a7a7157d2c2

    SHA512

    af3462ad8ffcea3026462f6d806c2372bd5577c8041baaa1299c8731834c0eebf7efbdbb9d22fc74a43aee0b04166dfbf342112e425c0f77315e91d4133c6427

  • C:\Users\Admin\Desktop\ProtectImport.DVR-MS!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    176KB

    MD5

    b1ea445faf5ffcfac67beeb940613335

    SHA1

    d8eafbeeab15c055837b9bff80f222a04c8ffd14

    SHA256

    f7fd5541387adac36b87b095ee26e52ef53f036453540c8ede742ca4538406d5

    SHA512

    65327a15925c8f3d8aadd495368ab93a5af8fdaa19fe240263ee440dcd83ad73655498b28334e2619666856f4813464748e2ccf3806b6d995d0f0164ee384d55

  • C:\Users\Admin\Desktop\PublishReset.M2T!==SOLUTION OF THE [email protected]==.Black_OFFserve

    Filesize

    350KB

    MD5

    c6696d2e8d767e606f7e40ed783c4fc6

    SHA1

    13b785b7e7e34e6e9d6357e041cb14709f7ba7be

    SHA256

    728330fa2f9321a3d881a1635825b4a7ea18eb30bd8d557147251e71348b87ed

    SHA512

    4fcf2a1cc44a3e696998e218fd836e62b41cb3837428f2f4cc08cb6f75b92013c97ffd948b7c48d28e5cdccb49235e4f63ea4072e54221ba2a31d4424ced62ac

  • \Users\Admin\AppData\Local\Mozilla\nEBOLQBm.exe

    Filesize

    78KB

    MD5

    0163a114f3cd11d4a2d3c1374bf4878d

    SHA1

    96b9b8510641a18f7920f48078087001a16db568

    SHA256

    568a79ce585dac32af237cb187b663cb6d2e4f594d66860c7ea1b3c66e4b7919

    SHA512

    0104fedf9a6cc994a267f743c8fa3324af388e2191dec5aff1eedf7345a1d0bbb4829db2b846dd6f7e63e2e4c04aaa0d315ed8b7361c8fbbd8b9f0096e90cba0

  • memory/1520-0-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1520-2-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB