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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 03:11

General

  • Target

    fbbbf890b135445dec6c10625b0fdad8246523ba83e6e052a74e01d3856fb648.msi

  • Size

    1.7MB

  • MD5

    904ac94be4b6b3e1a4bf741d80401879

  • SHA1

    bfd7f9e4bb42f54c02c4933439c9e90b8c975299

  • SHA256

    fbbbf890b135445dec6c10625b0fdad8246523ba83e6e052a74e01d3856fb648

  • SHA512

    c2ff2e02c00e485e3551c6a8b3451cf227f8317e4b908b4fe1202337288937cebffbdbd2f5bc5ae33326ef9e14e9f8c18563bdfe3d6d5c9dad7413b96fbd31e9

  • SSDEEP

    49152:PEVnsHyjtk2MYC5GDFhloJfjQiCSAKyHI9K9:mnsmtk2aAhl0RC1g

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
  • 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\fbbbf890b135445dec6c10625b0fdad8246523ba83e6e052a74e01d3856fb648.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2148
  • 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:2268
    • C:\Windows\Installer\MSIE14C.tmp
      "C:\Windows\Installer\MSIE14C.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:2640
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2656
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2096
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003C4" "00000000000003BC"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2604
  • 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:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76e045.rbs

    Filesize

    681B

    MD5

    85131c3873479f255837e32609a0d3c5

    SHA1

    6e24a3493171412d4234d4c9c1ff6c35efd6eb23

    SHA256

    6f9521c693a36dc0d449f09d92bc2307e261e8e58e832cbda15bc240707fb2ec

    SHA512

    4c6e1358c503bd04de161e2b451dbd08f859740473b62e303c241ad8bb8994c56b63b26aa80a03951cbff11818da196eab572abfa276fb828f075ac03cbc150b

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    753KB

    MD5

    4bc81d74086b89c85f1d208f781675f3

    SHA1

    c5245605e8ca888e36810a817dc977696207b90b

    SHA256

    f85a3eaa91c625fda14fe0c55bed7c3f43321475d871aa07af90a2e532219b85

    SHA512

    3fd588e5a49cca2c63784ae363ff5fae6574d83f08d877f1089768e000f0a7dafd51b7b28c2a543426073f2d9a96fc1e1e25796c713a5141e97c7e283901a750

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

    Filesize

    24KB

    MD5

    29814b1a54acb6bdc5765fda5477ea14

    SHA1

    dfbffb3d7a2193d821bb4ef1cbfb9407b0e97412

    SHA256

    e7e1e151128809c081430750da3aca43ed25c7bc2d9be830f371660c9bcf2aa3

    SHA512

    c1cf4c5d4d1094cdb6991e5ba26f873d8b128eaed07a7d5054739e86a7e4aea3ca32b248765c93c6981fc2887b10793b8abafd7f6acb2fde5b9244091fbefa87

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Windows\Installer\MSIE14C.tmp

    Filesize

    1.6MB

    MD5

    a0177c0a9f2254179b112eecf3c58cc6

    SHA1

    03478f572f818c8ffd7f8ebe23632432e82e4461

    SHA256

    55d2bea108eeaabcdf59d449cf15f0efabb59e243d9bd91ff0b0805cd3d133df

    SHA512

    0247f803d5018659899766fe8758c14081b1fe9f414c2afb8f34e78569bf5e9063b746c3adf388b60017367070582e7d8b9422ae94bcef4c8c0d39fa7e4a4470

  • memory/2640-32-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2656-87-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2656-88-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2656-129-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/3012-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB