Resubmissions

11-11-2024 02:18

241111-crlezstmdp 10

11-11-2024 02:10

241111-clr1kstlbq 10

Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 02:10

General

  • Target

    Temp + Perm (1).exe

  • Size

    2.5MB

  • MD5

    21f6c0f608202615f141499e0b9238f8

  • SHA1

    29b41725e9a3b6f4f4ab3eb4b444c7fa6bfc84ef

  • SHA256

    b5b1f5fa5d43d0deddd368f6a16000a21e2fd1b6a7a2616acf0710fd30b7062e

  • SHA512

    9221f37decf63c0e814527a96aaba65aa907a62474c631c2f9f1ce0b220f6409614af5d9ca81d956da8bec39eec06cd2eaa3684b22f4398dd411cb7ce2615320

  • SSDEEP

    49152:+nsHyjtk2MYC5GDu0C2lkASpEITYbNbNWo4kSH3OqtwImAanC:+nsmtk2aWCKkRpEIT4bNJFY3Oqt6AWC

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 2 IoCs

    Office document equipped with macros.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 7 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Temp + Perm (1).exe
    "C:\Users\Admin\AppData\Local\Temp\Temp + Perm (1).exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\._cache_Temp + Perm (1).exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Temp + Perm (1).exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      PID:2720
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        PID:2632
  • 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:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    2.5MB

    MD5

    21f6c0f608202615f141499e0b9238f8

    SHA1

    29b41725e9a3b6f4f4ab3eb4b444c7fa6bfc84ef

    SHA256

    b5b1f5fa5d43d0deddd368f6a16000a21e2fd1b6a7a2616acf0710fd30b7062e

    SHA512

    9221f37decf63c0e814527a96aaba65aa907a62474c631c2f9f1ce0b220f6409614af5d9ca81d956da8bec39eec06cd2eaa3684b22f4398dd411cb7ce2615320

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

    Filesize

    25KB

    MD5

    9b1fefc968f66464af1c0b94203684d9

    SHA1

    4881ad0b08ab5ba26258f9029ad043f0bf2e3cf8

    SHA256

    7443379697966678dd17889a371b19874d9bb1384491071587d2d646c6e9d00a

    SHA512

    34159789f0a70eed48f7f58ec28b2941274283184721cf7bc1aa0dfbb84991390e09fa2f385a5499efabdb467224bbb4c99127b2c2a7d36b7030c495a6f905bd

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

    Filesize

    21KB

    MD5

    d5113f05b8e5cc72e927a740b4d059c1

    SHA1

    044bc3724b4448193cffc884b2a94a7726965bcd

    SHA256

    262552425b1b8d38df5d77dedcf98ed639b14b9a6cda96f4499f2345e3261d14

    SHA512

    1529b6238da97b62ca1fad391588e11acee671f6997c853ff92d4f2b373016fb11818c3e9333423f4fc2c44295c956961f97b609fbd160f7b1ad7c07ef340402

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

    Filesize

    27KB

    MD5

    4da929c8eedba425ebd19abc9124856a

    SHA1

    9eb87a74b4c61ab6a40d79f1656cbd8e5b711a5f

    SHA256

    78fab17de0749d35f5077b10a22ba4afdee8d2e03579451b2a96072bd4aa46ef

    SHA512

    1a54378065f54983b69133ecf84f55f6f91a19fa137f2c1d933432e5e485bc33c0f4a08f8797158709852761e722de6d369d12d7e42e593f3e356d94b27ea5bf

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

    Filesize

    25KB

    MD5

    0fee93d73d8e8091b5d1d5e32ef103b1

    SHA1

    164abb018e3b7e39a79338641f4823337331b1eb

    SHA256

    01df6c8ad46dfb63b30431800631a0f61c9206af76880b4fc1cf1c96fa79df15

    SHA512

    d775f8673de0d6ab0d0c8cba1109c3b2aaa2fd24bec3ad01eac8046e6b334cde25712e53c35620e2bc647b4a4b181acae4e4feaaf64d45d64e564c0bf1a86f6c

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\~$sHhXkxHT.xlsm

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

  • \Users\Admin\AppData\Local\Temp\._cache_Temp + Perm (1).exe

    Filesize

    1.8MB

    MD5

    02e2011ab01fac81d4b8b2097f488ca1

    SHA1

    5539e5a7b7ee674f06810b9e8d0ba67872491573

    SHA256

    cd7e41494768b82ddb16d6dc97f90f75600424bf18e8b05f5ce007e9d136b38e

    SHA512

    89feb543037b7cb5f999767864741798820f0198995380b348a7e18d6e88209e3fc3a69a5a6dd28f93383a84eb636a3ac3bd5fdf5f2d8f4658a0b91415b90086

  • memory/2596-115-0x0000000000400000-0x000000000068B000-memory.dmp

    Filesize

    2.5MB

  • memory/2596-150-0x0000000000400000-0x000000000068B000-memory.dmp

    Filesize

    2.5MB

  • memory/2632-40-0x0000000005270000-0x0000000005484000-memory.dmp

    Filesize

    2.1MB

  • memory/2632-38-0x0000000001300000-0x00000000014D0000-memory.dmp

    Filesize

    1.8MB

  • memory/2672-0-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2672-26-0x0000000000400000-0x000000000068B000-memory.dmp

    Filesize

    2.5MB

  • memory/2720-29-0x0000000000A50000-0x0000000000C20000-memory.dmp

    Filesize

    1.8MB

  • memory/3044-39-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/3044-114-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB