Overview

overview

7

Static

static

3

KLAVER V2.3.exe

windows10-2004-x64

5

Visual-C-R...ll.bat

windows10-2004-x64

7

Visual-C-R...64.exe

windows10-2004-x64

7

Visual-C-R...86.exe

windows10-2004-x64

7

Visual-C-R...64.exe

windows10-2004-x64

7

Visual-C-R...86.exe

windows10-2004-x64

7

Visual-C-R...64.exe

windows10-2004-x64

7

Visual-C-R...86.exe

windows10-2004-x64

7

Visual-C-R...64.exe

windows10-2004-x64

7

Visual-C-R...86.exe

windows10-2004-x64

7

Visual-C-R...64.exe

windows10-2004-x64

7

Visual-C-R...86.exe

windows10-2004-x64

7

Visual-C-R...64.exe

windows10-2004-x64

4

Visual-C-R...86.exe

windows10-2004-x64

4

Analysis

  • max time kernel
    92s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 16:12

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General

  • Target

    Visual-C-Runtimes-All-in-One-May-2024/vcredist2005_x64.exe

  • Size

    3.0MB

  • MD5

    56eaf4e1237c974f6984edc93972c123

  • SHA1

    ee916012783024dac67fc606457377932c826f05

  • SHA256

    0551a61c85b718e1fa015b0c3e3f4c4eea0637055536c00e7969286b4fa663e0

  • SHA512

    f8e15363e34db5b5445c41eea4dd80b2f682642cb8f1046f30ea4fb5f4f51b0b604f7bcb3000a35a7d3ba1d1bcc07df9b25e4533170c65640b2d137c19916736

  • SSDEEP

    49152:+r67+stI6RWGTAdyvlADUrpTmcOgohwJpEM5grO3oc1OXZViFeRyDErkLUMHzkRN:AM9l8pUr9m30L5grOQXZKAsErkbQRN

Score
7/10
discoverypersistenceprivilege_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 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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\Visual-C-Runtimes-All-in-One-May-2024\vcredist2005_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\Visual-C-Runtimes-All-in-One-May-2024\vcredist2005_x64.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec /i vcredist.msi
      2⤵
      • Enumerates connected drives
      • Event Triggered Execution: Installer Packages
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1472
  • 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:2620
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4504
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E40F64560BDEE77F3C9006BED60ED0B0
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4348
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e5813b5.rbs
    Filesize

    73KB

    MD5

    bbe3e1e3f8970847f2790ff2c094291e

    SHA1

    b76478790132bbb15e7a8fe25536486b67588c22

    SHA256

    398c043f91a2c0d976db014d6cb7f79a3629e0c2c25215843192c2ed49820a8e

    SHA512

    6f7b0d1182a743221a8414a7173d95509a42ff825e9425b2d2da634c5bd36d8afa6cb6a7a55a6ddd0eea8343993bcc5cc7ba352712ffe3ea006bbea885e0ad17

    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

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  • C:\Windows\Installer\MSI1827.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

    0fe20e16e45762270dd2caf92ac8cbdb

    SHA1

    95308a711a24c0be1544f2ff09430d0fb7877f24

    SHA256

    fd14ec5b38203e5638aa0245eac90148373b8d0af370479bd59261f10107de7a

    SHA512

    16779333ea1ebb69075569ef9db126805e8543820188172a5f11d69bee2ac4b02d4161f028f74214b24d8c155ed92208637733548a3c7d14c41f789559c0668e

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  • \??\Volume{f1c94fa5-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{cc4c6cf2-2e55-412d-a9dc-ae5b28440156}_OnDiskSnapshotProp
    Filesize

    6KB

    MD5

    28307b4a27e205fa2ec45c53320bbf70

    SHA1

    02ac24d60824d69bc2abd4eb871a940ef8c818b5

    SHA256

    c2192af6595b4a141dd85dd4505a79c928aec1971822a9bc1aef9bbb2263ca9c

    SHA512

    c910af0c436afb5af27639fef098a7ba1adb4484a14f006d9137963702ed6014dbf5279da6e5241272db76338bed265eb3fdb2cc107f8321082e238622592774

    Download Submit