Overview

overview

8

Static

static

3

Test.zip

windows7-x64

1

Test.zip

windows10-2004-x64

1

Loader.zip

windows7-x64

1

Loader.zip

windows10-2004-x64

1

D3DCompiler_43.dll

windows7-x64

1

D3DCompiler_43.dll

windows10-2004-x64

1

Loader.exe

windows7-x64

1

Loader.exe

windows10-2004-x64

8

d3dx10_43.dll

windows7-x64

1

d3dx10_43.dll

windows10-2004-x64

1

d3dx11_43.dll

windows7-x64

1

d3dx11_43.dll

windows10-2004-x64

1

d3dx9_43.dll

windows7-x64

1

d3dx9_43.dll

windows10-2004-x64

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

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 17:26

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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
persistenceprivilege_escalation

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
  • Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs
    persistenceprivilege_escalation
  • 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 56 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:5040
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec /i vcredist.msi
      2⤵
      • Enumerates connected drives
      • Event Triggered Execution: Installer Packages
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1784
  • 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:224
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2572
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C45D7EA84ECB01AD7002862FADA3BA37
        2⤵
        • Loads dropped DLL
        PID:2888
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:5084

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Event Triggered Execution

    1
    T1546

    Installer Packages

    1
    T1546.016

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Event Triggered Execution

    1
    T1546

    Installer Packages

    1
    T1546.016

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    2
    T1120

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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\MSIDD6F.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

      a2478bfd31acac4c6e659dcddd44fe95

      SHA1

      77733ca07e263dc7184193afdf2d760329444a8b

      SHA256

      643f2468216bd89fee2b6b1c3da236a961aac558a1824a5973ac663eaab08b10

      SHA512

      b2fc661cea4d361f08d281d487c6a516e5658a240caef98f79759e407988feb072172a8fec40f0fe5244c6c6344bd41756a4f34fe47286d4cdfd9b88e8f8df6e

      Download Submit
    • \??\Volume{07cdb6ea-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b7e8895e-6f1b-4f32-b0b3-59905dc3d24b}_OnDiskSnapshotProp
      Filesize

      6KB

      MD5

      93650e217395312dda02b92034b92f62

      SHA1

      fd17acaae5adb9148cad676c59d85e3a0dcbdfb0

      SHA256

      287c26370538f31406be7379916ac790b885d93bf75cf7f564a3654b50e2270c

      SHA512

      92d7c38335a41276168e13ac60d13c582aa52cb949cd9616cf9c37e2118cb2457771d78d28beea86bc83282521a427ee97818dd3199c449d148d9b9564ce52e7

      Download Submit