Analysis

  • max time kernel
    331s
  • max time network
    269s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2024 17:50

General

  • Target

    79831c653ebd81093024ba5c4fef1bd33d3279b2a679e53f7872cedbae994317.msi

  • Size

    4.3MB

  • MD5

    e5f7079ca80c83e485f3bce73ea6ed9f

  • SHA1

    0d7aaa0d35d08a4a9604e2eb78dec6611149c7ea

  • SHA256

    79831c653ebd81093024ba5c4fef1bd33d3279b2a679e53f7872cedbae994317

  • SHA512

    d895c3d379c1bdeb83a2cdd739039ebe716c1f5b78f69da59eb0432b7bd9000fc9529793068bbf9d3fac75278dcadaf638acd74e716f4311ade63cfdeefb6ff9

  • SSDEEP

    49152:mpUP19qhCxzT+WKjSXnbbAKVTu6YmvuKAFFheHEzM60CPxAimD7Z6lWtB18F:mpWCQbbG909AU0/uQI

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 8 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 19 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\79831c653ebd81093024ba5c4fef1bd33d3279b2a679e53f7872cedbae994317.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4092
  • 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:4724
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C976AA06E479FACAF412E5A010F5D2F4
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4168
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:1580
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:1220
      • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\files\vlc.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\files\vlc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4856
        • \??\c:\temp\Autoit3.exe
          "c:\temp\Autoit3.exe" c:\temp\script.au3
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:4512
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\." /SETINTEGRITYLEVEL (CI)(OI)LOW
        3⤵
        • Modifies file permissions
        PID:828
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2488
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\files.cab

    Filesize

    4.0MB

    MD5

    9c0b5c15ba3b3f18f1a62cf3b1682f2d

    SHA1

    25bfe678611fc730b9398f4ef28cf7a7df82d6ff

    SHA256

    5c9547cbdf4b3a806191c8fc57b759266cce4338ee91617f0ec01c123dedeb21

    SHA512

    183ead6d807f49fc68087a25d0e2f4fb842dd4584ebe54c21fc4cf944020c4cfcfd16fd9d77159806efb69483e4a2754baa6352f54f6ec52cb33bd1254a05768

  • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\files\libvlc.dll

    Filesize

    1.5MB

    MD5

    475ad819eabbf4df440af6fbc3b432d1

    SHA1

    02d1b6314ba40bf2743e52140d61dd387029b3be

    SHA256

    f099a415e6a07121787b07889689127d63e88b459a9977ee8616ff6d26b8958f

    SHA512

    25cdf9b6ae54b6f11b9d608e0b40f8d260deaea438559d3a320961047812911b9cdb5dae47d70f00604d53b5a00a66dcc23de2b47006ad8ef0b6c32376214ee4

  • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\files\sqlite3.dll

    Filesize

    1.6MB

    MD5

    1ccb72d537bc0a956501f3a0fc84c8e5

    SHA1

    54cf4083fa1ed467811281fd7ca86428ca17cd18

    SHA256

    4e003f6e8dab88c9a1a95114c4f877b09552b45939bd069df7690ae5daba080f

    SHA512

    b4172df8a39f4ccc297187858ee7fd03af0921e124f73c7c11b80acaf1ce5579c385076cd405fd0ce9c5a32cc1e50f3a8cbdc03f0196301158bd3cfcf58df56c

  • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\files\vlc.exe

    Filesize

    966KB

    MD5

    035860e139ba6db1b38d5346cb6ff5b6

    SHA1

    d515303cbca3a8ae7a0463fecd418d81b314e650

    SHA256

    16197a321fc7b0a2a311e689621fe4a7cd50fdcb2d163973a31e4fd6352232d7

    SHA512

    14dab9108d85af72001631130923b94483dd1440f24a8eedad41756db3030c5e11e80ec894922c389e09c86e8b721bcbd8594bd3646f484560f89963a7e18cc7

  • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\msiwrapper.ini

    Filesize

    396B

    MD5

    ff587c9b5171e273ec16b3dc652f5ac1

    SHA1

    645e404aa35d9a3248309fc78bfa75954ba83b31

    SHA256

    506e8a3bd372b0b551085666267f11ea21fb05b161127737d074b1b49edcfd5d

    SHA512

    2a801fa2b19c10e70712a113099a8610020e11135431189c212f8cb76a968f2e876d7daec38e8b51c5b296e7ff62b7d3352da62820a7fb5b45587b17dadfee87

  • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\msiwrapper.ini

    Filesize

    1KB

    MD5

    25419c14b53d279d4a43596107285c55

    SHA1

    ebd5a6a963a7b9b7919bd99a9afdf0561cf5cdc0

    SHA256

    fe15c011d29cfa252bbac49d4811a69354e2968393d1995287277310b4979c5f

    SHA512

    844f3faa686bcf0a2c9251acb0aca82e6b8183ec92004daae8ab43f2d30f7adc4710b71ebb3288e7911bb8ed603af8faaf024a921cc2f114c6bae967d2f1e66b

  • C:\Users\Admin\AppData\Local\Temp\MW-aa42faa2-949c-4242-b184-ba5fe88d5b98\msiwrapper.ini

    Filesize

    1KB

    MD5

    f2ce32d4d74e0eff260177f346a32bd9

    SHA1

    bd0c41ab847c4e6fddb30e2cce4ee063f7c5da13

    SHA256

    bc0d5c6e91f60f14c9632e1491c56d8db16a553a3177ab7c940b5c013c6a6b39

    SHA512

    80b692474bdc7eddf92517b76cad6dbabb200c910c5fffc3bb789b7d87e31bb15051f46f67a8a13ebbf4166b804b39931fa05765db14abb3e6bcd545ed435aa2

  • C:\Windows\Installer\MSI24F3.tmp

    Filesize

    208KB

    MD5

    d82b3fb861129c5d71f0cd2874f97216

    SHA1

    f3fe341d79224126e950d2691d574d147102b18d

    SHA256

    107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c

    SHA512

    244b7675e70ab12aa5776f26e30577268573b725d0f145bfc6b848d2bd8f014c9c6eab0fc0e4f0a574ed9ca1d230b2094dd88a2146ef0a6db70dbd815f9a5f5b

  • C:\temp\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

    e409f9dc2df6a92cd0f7e0d07126c770

    SHA1

    2728b003347a8df8a5548d3c6e21e1546a9f0bb3

    SHA256

    1ecfab8c2a6f05b7363dbfad595194d450b32c2286b6cf5a1b691876dc35079f

    SHA512

    3d654e524a24bc520c9a7c6b257d46c5add4c4a9693b93818b99e870ddef01b2db346ea3ca6aa40a31c21d25e6ef5b40110a6bf5af265a84d50a020b3a3f42d2

  • \??\Volume{57af6234-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0aeecb12-bcc8-4468-996b-59506889a396}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    edb6bd86a720c467c91437d08cf2068c

    SHA1

    f572e70ba898c869e540d7499302a3bb7a418ae1

    SHA256

    2e771c45b1f8e63982021198486516ce3d694d376dc6ca1cad0ba5d0070b98b9

    SHA512

    c7b5edaa1aca09cf33aa823bb6205cac1be3e6410af446f858efbd69e3d22a0739b14b2a66378e54f8de402f44d2ef6b69fd80b94e19d4bc3fd3e1db502c7dd6

  • \??\c:\temp\script.au3

    Filesize

    470KB

    MD5

    e810ae3de9def29229459bdac592376e

    SHA1

    e0a177c4c668db3ff80f6930924d63582f14084a

    SHA256

    a86cd95594771888b1ca6f4bf6aeafff8820aa6680665305520e0d2f9c0ac4fa

    SHA512

    33e7aec0a7a8690e4a171a73370a3c15663618b318b2264d0df00d2a5d71cab2b552957f0cb7f6f87e4d31ebedd16748e7ccd8379efab02f77bec0b120d244b7

  • \??\c:\temp\test.txt

    Filesize

    76B

    MD5

    36a2bafe0e0b48055b7d081a5c65ae04

    SHA1

    264e2a6296ce42500c1b3cd102f10b08e2c1ff05

    SHA256

    805c7daeb376520828028a8c534984f8a268942253aa332dfe7066a0da669f46

    SHA512

    a50e1bf4416e7bcc847bab7886a61316d03922cb87cd9f76075d080255c2341eefde4a75fb88b2777f9e5fa3d0c96844dc12bf5def31c88ce0948431a6b20c54

  • memory/4032-116-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-118-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-117-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-121-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-115-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-119-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-120-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-109-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-110-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4032-111-0x000002547AEE0000-0x000002547AEE1000-memory.dmp

    Filesize

    4KB

  • memory/4512-105-0x0000000004870000-0x0000000005840000-memory.dmp

    Filesize

    15.8MB

  • memory/4512-108-0x0000000005D70000-0x00000000060BE000-memory.dmp

    Filesize

    3.3MB

  • memory/4512-107-0x0000000005D70000-0x00000000060BE000-memory.dmp

    Filesize

    3.3MB

  • memory/4856-92-0x0000028363800000-0x000002836399F000-memory.dmp

    Filesize

    1.6MB

  • memory/4856-91-0x000000005B220000-0x000000005B3AD000-memory.dmp

    Filesize

    1.6MB

  • memory/4856-89-0x00007FF767870000-0x00007FF767968000-memory.dmp

    Filesize

    992KB

  • memory/4856-83-0x0000028363800000-0x000002836399F000-memory.dmp

    Filesize

    1.6MB