Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 10:26

General

  • Target

    valyzt.msi

  • Size

    1.7MB

  • MD5

    53614b87538306b4f7437db8be2a0e47

  • SHA1

    a6a777b24bb64067738386caa66787b8ed225726

  • SHA256

    e86d059bd44bc6e4252972320cb811497ea87f3b0ef10eed5edfcd7acf44a3d8

  • SHA512

    cfed71c6b9eb55b3ebfb53cbdb1611e8921a6dbe7b7efc5456cebb9bfb3d6a64f23a97c63415d61c38c4e3b540a79fd50cb2a080220bf3ea32edc98f85e6ecc1

  • SSDEEP

    49152:PElnsHyjtk2MYC5GD8hloJfCAh9RMUBrNUFqtBZl:Gnsmtk2a1hlPERBsiT

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Adds Run key to start application 2 TTPs 1 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 System32 directory 2 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 61 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\valyzt.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2380
  • 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:2536
    • C:\Windows\Installer\MSIE6F7.tmp
      "C:\Windows\Installer\MSIE6F7.tmp"
      2⤵
      • Adds Run key to start application
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:544
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2432
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005D0" "0000000000000564"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2108
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76e525.rbs

    Filesize

    623B

    MD5

    359a6c2353d156b90cbb20f6fed56fd3

    SHA1

    7244f22709e63e0c8b23ec5fe261fc771d946b9b

    SHA256

    2aa1ec34f1e2756abad1006686da3d80794696ab0daf839cc76dd8c10bfb7ad5

    SHA512

    1c8b0c5c8a8aa9ee1acd27058afb8b7d2e70cb8b688efe486c4171572c81a51856d449a37e992f09caa9e41bc2a3d08fb85adbaf9ec19eb33a5b2ed6474e5127

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    753KB

    MD5

    aca4d70521de30563f4f2501d4d686a5

    SHA1

    6c2baa72ea5d08b6583893b01001e540213f4aaf

    SHA256

    449b6a3e32ceb8fc953eaf031b3e0d6ec9f2e59521570383d08dc57e5ffa3e19

    SHA512

    da806bd4ac02c45c17ed5d050428b3e7b15e8f148acb156cfb41eab3e27c35fa91ab1a55d18c6ef488a82d3379abf45421432e2efaf2fae4968c760d42215a7c

  • C:\Users\Admin\AppData\Local\Temp\WCUNwK1a.xlsm

    Filesize

    29KB

    MD5

    85a82c71c7754a6b8d56e918d0454dca

    SHA1

    be0cfe9a6c658310807949c40bdcc51507e881b8

    SHA256

    39bdc3195fd571d8133c8229744c401b4ea0f5584d20f48d91db44e6aff02447

    SHA512

    d0ad7adb254b12096c4672f71d9480a5a725a361de68c10f782cfc921f4ae7da55373d69d3c93ce131ec5a7bc96aea29bb32923fc354ec2d611600d6065cb39b

  • C:\Users\Admin\AppData\Local\Temp\WCUNwK1a.xlsm

    Filesize

    26KB

    MD5

    c92b1a88e74efa2d60c51fa7938c83d2

    SHA1

    5dde103a7202dcdd55d45c76c42253d525b12fd0

    SHA256

    c01499ceb86bfe4b3438b719a7a485222678c1514fabd2db2e8967850982b5df

    SHA512

    fc9c3746e24dfa846930cb229231d0936e3bb573d0e6a8738d86da1342943b7f7eb54b6b95b5fd03e5e8c6e78e88ce350cb542544f32b49c284e03aa0c32482c

  • C:\Users\Admin\AppData\Local\Temp\WCUNwK1a.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Windows\Installer\MSIE6F7.tmp

    Filesize

    1.6MB

    MD5

    71386f37f17778126296ca734975db6d

    SHA1

    353818dcd74d06565fc0e8ac4416e594d29ecd0b

    SHA256

    c1317da0fd0dc3d73b38634ea586016f6f651f52acc576fbae8b82721c83e9ae

    SHA512

    e5e0d87f91611bccfea16222c9afb7ac7b949f1762244ced01f9d8a78e2c992cfe8c1faaf1391f4cf107604a0e9f7a64fa4adda1c339d8dc85b27e7be610b83c

  • memory/544-98-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/544-99-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/544-139-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1688-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2120-32-0x0000000000400000-0x00000000005AB000-memory.dmp

    Filesize

    1.7MB