Overview

overview

7

Static

static

1

Visual-C-R...24.zip

windows7-x64

1

Visual-C-R...24.zip

windows10-2004-x64

1

install_all.bat

windows7-x64

7

install_all.bat

windows10-2004-x64

7

vcredist2005_x64.exe

windows7-x64

7

vcredist2005_x64.exe

windows10-2004-x64

7

vcredist2005_x86.exe

windows7-x64

7

vcredist2005_x86.exe

windows10-2004-x64

7

vcredist2008_x64.exe

windows7-x64

7

vcredist2008_x64.exe

windows10-2004-x64

7

vcredist2008_x86.exe

windows7-x64

7

vcredist2008_x86.exe

windows10-2004-x64

7

vcredist2010_x64.exe

windows7-x64

7

vcredist2010_x64.exe

windows10-2004-x64

7

vcredist2010_x86.exe

windows7-x64

7

vcredist2010_x86.exe

windows10-2004-x64

7

vcredist2012_x64.exe

windows7-x64

7

vcredist2012_x64.exe

windows10-2004-x64

7

vcredist2012_x86.exe

windows7-x64

7

vcredist2012_x86.exe

windows10-2004-x64

7

vcredist2013_x64.exe

windows7-x64

7

vcredist2013_x64.exe

windows10-2004-x64

7

vcredist2013_x86.exe

windows7-x64

7

vcredist2013_x86.exe

windows10-2004-x64

7

vcredist20...64.exe

windows7-x64

4

vcredist20...64.exe

windows10-2004-x64

4

vcredist20...86.exe

windows7-x64

4

vcredist20...86.exe

windows10-2004-x64

4

Analysis

  • max time kernel
    137s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 13:36

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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:3556
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec /i vcredist.msi
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:976
  • 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:1888
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2060
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 90BFEB1E852CBFC4DADDD161D580D4C8
        2⤵
        • Loads dropped DLL
        PID:1852
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57da17.rbs
      Filesize

      73KB

      MD5

      e64c222bf190feb62f12edf2609b42a8

      SHA1

      f718f9eb6c0ac983c52c5690dd9394f53ab2a309

      SHA256

      f57be88f2321e507a2a29c706fa87e49d47e87c3343758a2d097f22f8007482c

      SHA512

      b83a9c700a6fd0066529da3df623da18e444540d5f3f712d1d8829dce109b7d4076b2b3947fbcbc0e2cd03b2d1f6986cdb6ac9b9668155e26c6d0a5c8ed5b4f1

      Download Submit

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

      312KB

      MD5

      77a9bff5af149160775741e204734d47

      SHA1

      7b5126af69b5a79593f39db94180f1ff11b0e39d

      SHA256

      20a26ed9a1edf7763a9b515522c5e29720048a482c7fbc8b7ff6bbdd27e61038

      SHA512

      bb0440f58f07e113bddd9a0afb5aab8af6493218784fe5fa6f4032e3a37088f91b7e766dee87cec4a9ea11d425d27b3b536430de3a52222e8bca3e0247d81e3b

      Download Submit

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

      3.0MB

      MD5

      6dbdf338a0a25cdb236d43ea3ca2395e

      SHA1

      685b6ea61e574e628392eaac8b10aff4309f1081

      SHA256

      200fef5d4994523a02c4daa00060db28eb289b99d47fc6c1305183101e72bdeb

      SHA512

      6b5b31c55cf72ab92b17fb6074b3901a1e6afe0796ef9bc831e4dfb97450376d2889cd24b1cf3fce60eb3c1bcd1b31254b5cfa3ef6107974dfa0b35c233daf5a

      Download Submit

    • C:\Windows\Installer\MSIDF15.tmp
      Filesize

      28KB

      MD5

      85221b3bcba8dbe4b4a46581aa49f760

      SHA1

      746645c92594bfc739f77812d67cfd85f4b92474

      SHA256

      f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

      SHA512

      060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

      Download Submit

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

      23.7MB

      MD5

      d5aeced17430eff8d6b6ac2d5644a3ce

      SHA1

      5860917d10cb82cbc2a6c593f8d881265919da67

      SHA256

      20755f73d52bf5f4da9c09da4419516a692be81cede8b38792ebcf8d1d246d3a

      SHA512

      755ba71178df03cd5885c67cf211d0107779912014d236b5d8b46878757563d4de59bc12f3a3c088e6b3a62e44efd47a114ceedc25caf9de3fc388542e073f02

      Download Submit

    • \??\Volume{8ccc3c3f-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{db26c6c5-1b14-4aea-96b6-b6539ad08996}_OnDiskSnapshotProp
      Filesize

      6KB

      MD5

      1cf35ceab42107d3671b5e3b08d2dddb

      SHA1

      181c857145d3ab8692d1a1d21b3280a4638cd514

      SHA256

      b033ad4f419eb82f60ad4e5b79bb2a744d0f2ce6c63df7594bd3855d662d1e72

      SHA512

      189e2d9f4daf3839b2f1f9b41db365657e05839fed76e018617430d615ba9945e9429cf85e59242f8af6f7a20a8048a403fc97da2bb23accc90957cc23e4ce59

      Download Submit