Overview

overview

10

Static

static

3

xSpoofer-R....0.rar

windows10-2004-x64

7

xSpoofer-R...ys.txt

windows10-2004-x64

1

xSpoofer-R...N8rnm5

windows10-2004-x64

1

xSpoofer-R...or.bat

windows10-2004-x64

9

xSpoofer-R...er.bat

windows10-2004-x64

1

xSpoofer-R...os.bat

windows10-2004-x64

1

xSpoofer-R...23.zip

windows10-2004-x64

1

install_all.bat

windows10-2004-x64

7

vcredist2005_x64.exe

windows10-2004-x64

7

vcredist2005_x86.exe

windows10-2004-x64

7

vcredist2008_x64.exe

windows10-2004-x64

7

vcredist2008_x86.exe

windows10-2004-x64

7

vcredist2010_x64.exe

windows10-2004-x64

7

vcredist2010_x86.exe

windows10-2004-x64

7

vcredist2012_x64.exe

windows10-2004-x64

7

vcredist2012_x86.exe

windows10-2004-x64

7

vcredist2013_x64.exe

windows10-2004-x64

7

vcredist2013_x86.exe

windows10-2004-x64

7

vcredist20...64.exe

windows10-2004-x64

7

vcredist20...86.exe

windows10-2004-x64

7

xSpoofer-R...��.txt

windows10-2004-x64

1

xSpoofer-R...up.exe

windows10-2004-x64

7

xSpoofer-R...up.exe

windows10-2004-x64

7

xSpoofer-R...an.bat

windows10-2004-x64

1

xSpoofer-R...ew.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    92s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2024 10:38

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General

  • Target

    vcredist2005_x64.exe

  • Size

    3.0MB

  • MD5

    56eaf4e1237c974f6984edc93972c123

  • SHA1

    ee916012783024dac67fc606457377932c826f05

  • SHA256

    0551a61c85b718e1fa015b0c3e3f4c4eea0637055536c00e7969286b4fa663e0

  • SHA512

    f8e15363e34db5b5445c41eea4dd80b2f682642cb8f1046f30ea4fb5f4f51b0b604f7bcb3000a35a7d3ba1d1bcc07df9b25e4533170c65640b2d137c19916736

  • SSDEEP

    49152:+r67+stI6RWGTAdyvlADUrpTmcOgohwJpEM5grO3oc1OXZViFeRyDErkLUMHzkRN:AM9l8pUr9m30L5grOQXZKAsErkbQRN

Score
7/10
persistence

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 Program Files directory 1 IoCs
  • Drops file in Windows directory 57 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\vcredist2005_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\vcredist2005_x64.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec /i vcredist.msi
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2040
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4860
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F296D8E414AB486A6DDB88C419A4CD1B
      2⤵
      • Loads dropped DLL
      PID:2468
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e578d01.rbs
    Filesize

    73KB

    MD5

    1d245cd99b60648afbb3e663e89f4c3b

    SHA1

    c936c12b917fe582e3946c660dc39cb8ca003d0b

    SHA256

    eec19ec9e34f15711b28eec64588a580515d11390aad5936542e6167c9c541ea

    SHA512

    38d178772c7199c013f9ffa44a68c644ce29cc7b5b414e187ce1d8dea0d3fb3beccd3879b7ac4c058ae893f166dcda2526da96b73ef93ecaa501c6608f93bf18

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredis1.cab
    Filesize

    312KB

    MD5

    77a9bff5af149160775741e204734d47

    SHA1

    7b5126af69b5a79593f39db94180f1ff11b0e39d

    SHA256

    20a26ed9a1edf7763a9b515522c5e29720048a482c7fbc8b7ff6bbdd27e61038

    SHA512

    bb0440f58f07e113bddd9a0afb5aab8af6493218784fe5fa6f4032e3a37088f91b7e766dee87cec4a9ea11d425d27b3b536430de3a52222e8bca3e0247d81e3b

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  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredist.msi
    Filesize

    3.0MB

    MD5

    6dbdf338a0a25cdb236d43ea3ca2395e

    SHA1

    685b6ea61e574e628392eaac8b10aff4309f1081

    SHA256

    200fef5d4994523a02c4daa00060db28eb289b99d47fc6c1305183101e72bdeb

    SHA512

    6b5b31c55cf72ab92b17fb6074b3901a1e6afe0796ef9bc831e4dfb97450376d2889cd24b1cf3fce60eb3c1bcd1b31254b5cfa3ef6107974dfa0b35c233daf5a

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  • C:\Windows\Installer\MSI927C.tmp
    Filesize

    28KB

    MD5

    85221b3bcba8dbe4b4a46581aa49f760

    SHA1

    746645c92594bfc739f77812d67cfd85f4b92474

    SHA256

    f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

    SHA512

    060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

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

    23.7MB

    MD5

    54ccd9e474e89edbbb20849875795017

    SHA1

    af9ffa34609dbb22139b9869c1ccce89fb0b48f7

    SHA256

    5f5a8172808bef64bc399fe6a65ec8b54c8f93a42dcdccb93c1751f6097d5520

    SHA512

    dd8cbc70390eb8a4c8ad41bd15a47ce14042af444810318525774a208e58a25a5b8e5aa1dd5b242ede0a43d7a2709a2cd49830d1a9c3150383ab34d8c842d213

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  • \??\Volume{78362842-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4ee4b233-b821-4501-9e62-6dc3f3f339f7}_OnDiskSnapshotProp
    Filesize

    6KB

    MD5

    a6ef6b01967aadecf17d7b3578368e09

    SHA1

    629e10c4b33bffbe5ed81d6f71acf2ba6bb60289

    SHA256

    bf01b582927b704f976d5f352723e10d4f274a65a997b9343d71f146f62c6a89

    SHA512

    c2d5513a2be08367e457f2116378045a3188ba57a232fc8eaeff2440479ff201fce88e562e92b00d367763ab6a690028d11e787820e7116dd092f7e2b440c389

    Download Submit