Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2023 01:28

General

  • Target

    d4e766f81e567039c44ccca90ef192a7f063c1783224ee4be3e3d7786980e236.msi

  • Size

    8.6MB

  • MD5

    595527dff7c5234f4509cbbfa7047b6a

  • SHA1

    de4ca2a9726c7963ebe69e7908dd265df5dc81a3

  • SHA256

    d4e766f81e567039c44ccca90ef192a7f063c1783224ee4be3e3d7786980e236

  • SHA512

    e9757d7ea108407afb83021ec0cac72d04a01e587424a1f82878a2e264dbbe8312fe34c4dc5944b8d324321bc39ac3784cc861bbc344e582fe7c1db3655ae383

  • SSDEEP

    196608:9kdAirk9zqV8GinTPMoGkd/ROfL0uUmN4in1VAnEVYxVSe3bvPrsn:ydAirAzqVAnTPMgd+0ogHnF3zI

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 11 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\d4e766f81e567039c44ccca90ef192a7f063c1783224ee4be3e3d7786980e236.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3132
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4972
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 43AB5220DD2D25A28231710B66580F95
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:572
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:4416
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:1512
      • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\windbg.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\windbg.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1720
        • \??\c:\tmpa\Autoit3.exe
          c:\tmpa\Autoit3.exe c:\tmpa\script.au3
          4⤵
          • Executes dropped EXE
          PID:2988
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\." /SETINTEGRITYLEVEL (CI)(OI)LOW
        3⤵
        • Modifies file permissions
        PID:4116
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files.cab

    Filesize

    8.4MB

    MD5

    11573546f1cb94036c51e1f256067a9a

    SHA1

    791d3293afeda092c26d2c237804f7a646d0979b

    SHA256

    ecd6c5174f7fa2f836b7326c52b31cd4a19e53447b8e4a7d036f8b41c0235054

    SHA512

    7b8cb6c8972472bf8f8c467cbb510216037f5342babe4cdf6889e20ece8400c80084c96ce6507773fb266f20638c68703d120d3f5b98940eaceda57017891067

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\00000-602071660.png

    Filesize

    1.2MB

    MD5

    c5f6eb13db175fbcd0925434424df781

    SHA1

    2197137928fff79f8b11e966ffb6a9eb5112a3c8

    SHA256

    6571ea1fa9e8427418ab40ab1ea6e1555b7c59a2579b2f34dded39d81e8def50

    SHA512

    40eca3c9a3c2ca653c5c78d1205250b2077265ad5cfb9609a6b34649699b62236c61d5cdb415767749ff86e91afe6830d98e6f5eb3390b2c57d28b4a45a220a4

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\00001-3764640629.png

    Filesize

    1.3MB

    MD5

    a384c8b03d6d72e9f9e268d265e8b435

    SHA1

    3b238b66b33e2dc191da037973a79f01d50ee2d4

    SHA256

    9310b4483d9e20dfdc28e8603a026f0c52b07089a290955629970b96a51b977b

    SHA512

    94ada636935ecf52ce4625b23216b0dde06e58fd09f34a4727531bf5299d45b5e705b8c043713f14cc8c007ba82645a0dc54402badea418bf3677967c960c565

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\00002-1969081335.png

    Filesize

    1.1MB

    MD5

    92028b5b43ea981f2172f2e9ce6556bf

    SHA1

    6da86abe3bc0caf500908ec7b8e841b797948fec

    SHA256

    7d5d5115c1f29592dba340a167e7144a539df8201578913fbbbb428b26d8c7ed

    SHA512

    1af0cb17ff6b09c49c0ea7433d665b123ea7e7c6a46c06088bfaeaee3a3ce01aab27105a36f906a17dc0c29c830ef54fb4b005b47cdecd3612ce9f0d3059c62f

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\00003-1310450276.png

    Filesize

    1.2MB

    MD5

    3f3788816f75078edb9817a98259a223

    SHA1

    1eb191dd0dcff72f5922aa775dc95dced7967bd5

    SHA256

    a2f02cb0c6dbba41b8a4572c4546fbb7216efe8dc18ccef16e1a14d7f8ccddd0

    SHA512

    2c17408796ba518ad117983526f5c0380a36b6f18974132a69923e95288c3ced9ca05e615ea5d567bde100c4cd8469bf172daba96f4e5032520ccb75560d5b62

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\00004-4001132497.png

    Filesize

    1.1MB

    MD5

    2ccc17c1a5bb5e656e7f3bb09ff0beff

    SHA1

    05866cf7dd5fa99ea852b01c2791b30e7741ea19

    SHA256

    411b6ce9e97a4d828ab43dcf896f8ea09b5e9dc02874909f53ca1e0f10caeed2

    SHA512

    46b7362a2df870018707d89a7340ac0c07a2a357c504dbd944699c0231b4f984661b9f112b9d4869e55cf208ed5968f3ec5b5b35a956329679fb6e48ada7c4c5

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\00005-3931689802.png

    Filesize

    903KB

    MD5

    66732fccbeee97415b033c017e594196

    SHA1

    6db8fada912e6ea219b526cbe1a136a6afdabffb

    SHA256

    dbefd6274b1ffc0d387d76972a9d93ea862d3be451aa3d0b8e0335708136addc

    SHA512

    70b11b616b108e284d8f47e9881db5c15e2a5d8ee41d6d0e26b43de19203811da6402e8f47d1845bc30e9ba8cbe71195c8594723c5ac966521dda2dc39f4a248

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\data.bin

    Filesize

    92KB

    MD5

    8b305b67e45165844d2f8547a085d782

    SHA1

    92b8ed7652e61fdf3acb4ce74f48bcc9ed14b722

    SHA256

    776622a88a71b989ae022dae2bfbe52d5f00024970548a465046b742089aa50b

    SHA512

    2bd688ab072464ed54ea111a07e44f130a6db2c51e6f5ede1d8583b31791ad3eb2ea51114e6ac624a50118f17dfd3ec3d72c7df00d8be3b4ef4dcd7b72a0dfe6

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\data2.bin

    Filesize

    1.8MB

    MD5

    1cdde34f6f487545c26673a907af15f6

    SHA1

    4da95d333976a15ecd368d8fc04e6331a1952fa9

    SHA256

    3c1fdbc968598ee048f02a47b9fe888e33bfeff5a55bea059c8cb91e6d0f2c8c

    SHA512

    e6b1a2ccb7b994aecef47ec035659e720f151a71d6d0db8449266f47e6053238878d635ca45fe2a334b328adf5e008fd0257feb4b5968f23094e62def349365a

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\dbgeng.dll

    Filesize

    1.3MB

    MD5

    f540f998d60d6fc1c23f942ed5857296

    SHA1

    1ef333bfea08b37cda99ea1353d52928a4458f28

    SHA256

    d37e54faccf247c73e59fec33001000567e44a4e0adf6f637c3aea32e76d8b11

    SHA512

    e3369f9848dcb0661c5d932f0702dffa304541b6a7a0a8c9753247cde1083277cd4ac3600927476dafc7be73fe0bae2ace0c7e7320ae8ac9fea0660edb777b9c

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\dbgeng.dll

    Filesize

    1.3MB

    MD5

    f540f998d60d6fc1c23f942ed5857296

    SHA1

    1ef333bfea08b37cda99ea1353d52928a4458f28

    SHA256

    d37e54faccf247c73e59fec33001000567e44a4e0adf6f637c3aea32e76d8b11

    SHA512

    e3369f9848dcb0661c5d932f0702dffa304541b6a7a0a8c9753247cde1083277cd4ac3600927476dafc7be73fe0bae2ace0c7e7320ae8ac9fea0660edb777b9c

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\windbg.exe

    Filesize

    474KB

    MD5

    04ec4f58a1f4a87b5eeb1f4b7afc48e0

    SHA1

    58dcb1cbbec071d036a07f0e8feb858e4c5b96e7

    SHA256

    bd1af3dba56b129e6c624297eeed40c898fa2981fce5caafe467d88a748988a4

    SHA512

    5b572a504fac599e7e3f726d391e8ffdc2d083745609315a203000e8dc79b94d777fc520eb6530444d84f1ac9aad51406b91b527d8434077a58524feeccbbd80

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\files\windbg.exe

    Filesize

    474KB

    MD5

    04ec4f58a1f4a87b5eeb1f4b7afc48e0

    SHA1

    58dcb1cbbec071d036a07f0e8feb858e4c5b96e7

    SHA256

    bd1af3dba56b129e6c624297eeed40c898fa2981fce5caafe467d88a748988a4

    SHA512

    5b572a504fac599e7e3f726d391e8ffdc2d083745609315a203000e8dc79b94d777fc520eb6530444d84f1ac9aad51406b91b527d8434077a58524feeccbbd80

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\msiwrapper.ini

    Filesize

    1KB

    MD5

    f7b688a2c64f659a77dca00ee8a5d173

    SHA1

    3dfa0e74f31687783c051f66498410ed2b53b5e1

    SHA256

    5af895854ef9e5796e703ca0d953d6d8e9d893c87f521ab3699894bbe6782f58

    SHA512

    4e324285e827353e47fe4e43e5f5e2177fbaf7c26d58fa87f98bb09bb368e36c5c899b927e5d24b242b1092a9e4dbdee974f21f0f7cc2b03dbdfab2c79132073

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\msiwrapper.ini

    Filesize

    370B

    MD5

    207f719b6271b194e6d8831eabc06c9b

    SHA1

    21587e325ed06ac703200b9df491bac990618f12

    SHA256

    564d952097c64f9b00f7f414257446635ce1678b873d428164b744e9f5e799f7

    SHA512

    1b9af970d8610058720f3199ed8ede26fa677ad3553f519800445d6f931f9874a4d7a3b333b754eb4d8062e82f1b570fe05ca3e7322ad754d3830e0dc8e80974

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\msiwrapper.ini

    Filesize

    618B

    MD5

    1dee98039f0982d707ffe2b96aba4936

    SHA1

    571e6ab3270c8af561f9dae44a4605277908e257

    SHA256

    f3fb11128045727b71feddae41856b943bb092cdd161d262ec23a0a854704ef9

    SHA512

    8a4f062baf8217e7ae63c0ef26b3fd1742b53ce826fad3dfc30b510044c1503413f48fdfb130f14f43c20706e740ad2b1eb8033b183bb87549cff4c3602a3063

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\msiwrapper.ini

    Filesize

    1010B

    MD5

    2e0f9946e8f4e114f62f7db99557bac2

    SHA1

    08accceea7585cc07c0e9d2a75a652e3b2ad780f

    SHA256

    6ffdb9d88f5b0a7162057897568ee98547c656b60472611e422a09d5dd673ef4

    SHA512

    2c53b408a0886c7e363c5f137d97c7b2451d20fa0a28a9dab11959347585938e829add428909ef45ceab4bd6963b893470bf043f7552ae4db07979276512d8d4

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\msiwrapper.ini

    Filesize

    1KB

    MD5

    232e0e9da246090198f2155baa087222

    SHA1

    fae147668d3b93f4f1e6db3cf3f718fad9c0a55e

    SHA256

    16441e375ee93862f7067d12c139f3d8ead1b266fef5d90518ae068064c4d0af

    SHA512

    a6e371b39fc650b9a0fe523fc3cce02f9eb7329dc5933496fee2410fccc7106d92c807c55251c149b8311aace207339e301dffa6b5285d61b5b2adbb124da26a

  • C:\Users\Admin\AppData\Local\Temp\MW-fdc53cd6-1655-466a-b203-7bd2778e25ea\msiwrapper.ini

    Filesize

    1KB

    MD5

    232e0e9da246090198f2155baa087222

    SHA1

    fae147668d3b93f4f1e6db3cf3f718fad9c0a55e

    SHA256

    16441e375ee93862f7067d12c139f3d8ead1b266fef5d90518ae068064c4d0af

    SHA512

    a6e371b39fc650b9a0fe523fc3cce02f9eb7329dc5933496fee2410fccc7106d92c807c55251c149b8311aace207339e301dffa6b5285d61b5b2adbb124da26a

  • C:\Windows\Installer\MSI3D23.tmp

    Filesize

    208KB

    MD5

    d82b3fb861129c5d71f0cd2874f97216

    SHA1

    f3fe341d79224126e950d2691d574d147102b18d

    SHA256

    107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c

    SHA512

    244b7675e70ab12aa5776f26e30577268573b725d0f145bfc6b848d2bd8f014c9c6eab0fc0e4f0a574ed9ca1d230b2094dd88a2146ef0a6db70dbd815f9a5f5b

  • C:\Windows\Installer\MSI3D23.tmp

    Filesize

    208KB

    MD5

    d82b3fb861129c5d71f0cd2874f97216

    SHA1

    f3fe341d79224126e950d2691d574d147102b18d

    SHA256

    107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c

    SHA512

    244b7675e70ab12aa5776f26e30577268573b725d0f145bfc6b848d2bd8f014c9c6eab0fc0e4f0a574ed9ca1d230b2094dd88a2146ef0a6db70dbd815f9a5f5b

  • C:\Windows\Installer\MSI4E5C.tmp

    Filesize

    208KB

    MD5

    d82b3fb861129c5d71f0cd2874f97216

    SHA1

    f3fe341d79224126e950d2691d574d147102b18d

    SHA256

    107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c

    SHA512

    244b7675e70ab12aa5776f26e30577268573b725d0f145bfc6b848d2bd8f014c9c6eab0fc0e4f0a574ed9ca1d230b2094dd88a2146ef0a6db70dbd815f9a5f5b

  • C:\Windows\Installer\MSI4E5C.tmp

    Filesize

    208KB

    MD5

    d82b3fb861129c5d71f0cd2874f97216

    SHA1

    f3fe341d79224126e950d2691d574d147102b18d

    SHA256

    107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c

    SHA512

    244b7675e70ab12aa5776f26e30577268573b725d0f145bfc6b848d2bd8f014c9c6eab0fc0e4f0a574ed9ca1d230b2094dd88a2146ef0a6db70dbd815f9a5f5b

  • C:\tmpa\Autoit3.exe

    Filesize

    872KB

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

    Filesize

    23.0MB

    MD5

    a84318ce1e0f33aab3c8e079d5d8960b

    SHA1

    67f53d8de4ee8e5edeba0512b56a31835c11b8a6

    SHA256

    f3409401c1ce24ce7d43ff4a018ca3966bd6461d5bd7dd8d8b63c674f646069e

    SHA512

    7675b60c61f1af7552eb8ba740c795e3581454efa72e9d3fee65c2011e4948c42e0be303a1bbef746e71bbc33aba9957c4fdd04a6e62cfe24a993b54e2816750

  • \??\Volume{8df29902-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a27a60c3-8673-481e-adf0-3405962a4c8c}_OnDiskSnapshotProp

    Filesize

    5KB

    MD5

    4bab0a980f291a6d40d9aae99c3238d7

    SHA1

    650f6bca5ff996642920b88d798675a511faa53e

    SHA256

    82c9d6d090cdd66122756c3ce782f005057e2630143d559017f79fd59543dac9

    SHA512

    8426bb31cf20172d4308ec659815658c19b76b3cee4bc3289eca4628f8e39f5c7ba25c1ff1efc2549db0a8432cce585275daace726aaf4f6e5f47816478db1b1

  • \??\c:\tmpa\script.au3

    Filesize

    498KB

    MD5

    cd434465236e62f9960f6eaa8ace2bf1

    SHA1

    45167afe0513736ec52a0a90bd87dd94273a836b

    SHA256

    f2bdc1b0da1e7270fa3b26a883f5ad4bbf189d8cb593af4c53ab6db680c9258c

    SHA512

    5b6d58757e222e17c962ad8e52d9e792604a9b898a3c61afa137d8c76a6de674b1dc00f32c9e3e97021a789a9f8e4de61044558ced7e34be84669d74fedf21c2

  • memory/1720-105-0x0000000000400000-0x000000000054B000-memory.dmp

    Filesize

    1.3MB

  • memory/1720-100-0x0000000002830000-0x0000000002930000-memory.dmp

    Filesize

    1024KB