Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 10:23

General

  • Target

    AYRASY.exe

  • Size

    1.7MB

  • MD5

    07e25c260c13b82cd867daef02255c82

  • SHA1

    ebc6562d3eb2a877d8cfeafcada1e1af1a66e208

  • SHA256

    72d043dcd766da3f32477c3c1612165b2124f347013bbb69ba3da85eaf9e3d40

  • SHA512

    dcf874250b8b302fff6ba5466b240660d06613838bc24ff76ab8f060ad8fb6ddbdfd58548034d08ab43906dd4b0f91a3ad2f31fe298dc20005f8a0a48873afd9

  • SSDEEP

    49152:jnsHyjtk2MYC5GDIhloJfEEaiSgCkqoHisJ:jnsmtk2athlVER3CkqoHxJ

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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 18 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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
  • NTFS ADS 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AYRASY.exe
    "C:\Users\Admin\AppData\Local\Temp\AYRASY.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Local\Temp\._cache_AYRASY.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_AYRASY.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2080
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn WBHUSK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2852
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn WBHUSK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2740
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\WBHUSK.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2944
    • 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:2496
      • 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
        PID:1448
  • 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:2628
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2BEDFCEC-7E4A-49E9-B475-BCF87A913DAB} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe
      C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1216
    • C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe
      C:\Users\Admin\AppData\Roaming\Windata\YOABSG.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.7MB

    MD5

    07e25c260c13b82cd867daef02255c82

    SHA1

    ebc6562d3eb2a877d8cfeafcada1e1af1a66e208

    SHA256

    72d043dcd766da3f32477c3c1612165b2124f347013bbb69ba3da85eaf9e3d40

    SHA512

    dcf874250b8b302fff6ba5466b240660d06613838bc24ff76ab8f060ad8fb6ddbdfd58548034d08ab43906dd4b0f91a3ad2f31fe298dc20005f8a0a48873afd9

  • C:\Users\Admin\AppData\Local\Temp\IQ8Ewpk2.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\IQ8Ewpk2.xlsm

    Filesize

    20KB

    MD5

    10f131c0dbee46833dfc483d0527f994

    SHA1

    44cc981b15bf0def9d0400e710fc7c7f3e37aa8e

    SHA256

    575b39dbbfcf128f9a438c6811a003392d36433f03a8504381ed67e11b00f7bf

    SHA512

    183d3c1055e49c4337900da5eb374891511a21dd30826f017d8376d369dbb114728c73dedb93b28e15a49561c147cddbbe9cdcbf53bc286be8a97ef1ed1f64c8

  • C:\Users\Admin\AppData\Local\Temp\IQ8Ewpk2.xlsm

    Filesize

    28KB

    MD5

    51a96791b9c2884ed624947d3df6d1f7

    SHA1

    7cd0aa4460ae7dd41c357525a5c9a4e1cf1c84ca

    SHA256

    3b61ac05795d11d1a484c418f428910c5a682b5f5ac1bfa775f560c1209034cb

    SHA512

    aa1aad46e0d8d11dd216606371d09447c45e94e9835088b12727ddb5f4b74ee2da994517e9c74b31cad479623f5b788827f2765ded9873ac99f0a544d31e2474

  • C:\Users\Admin\AppData\Local\Temp\WBHUSK.vbs

    Filesize

    848B

    MD5

    c87809e03ef239d3ce52503c4047df82

    SHA1

    3ed3c7002088b123fd91fdb9f419b5999b2d1a63

    SHA256

    58bbdf2578e7b05f0e52113715e0699994d2750c0d0de792ee3446310cc64115

    SHA512

    e0113ace19879f2f06e18fce9a4da17b7108b6d7cea416469c88c891c3efeb00387c119420828fe381054a472921f2df8ff4e46ae932999a9889668f10f88202

  • \Users\Admin\AppData\Local\Temp\._cache_AYRASY.exe

    Filesize

    955KB

    MD5

    8e44132c27adc94100c8d8be5d4ad041

    SHA1

    8f6d3501aee4ca56051fbcd4d4258dcab9bf8aa1

    SHA256

    7e9ff2f8db8a740fb31a969b90aa86a4d11bbd919233ac2a9d676fc82b426b94

    SHA512

    a06dd554b16630570c4f25d2c540e297233a201c9233977a5b06664b7659aa8cbaead38fab88841c8adcaa5f09f7e23297e92b7d9529ca0d3b2da5e860c4584b

  • memory/1216-118-0x0000000001350000-0x000000000155E000-memory.dmp

    Filesize

    2.1MB

  • memory/1216-117-0x0000000001350000-0x000000000155E000-memory.dmp

    Filesize

    2.1MB

  • memory/1448-46-0x0000000001260000-0x000000000146E000-memory.dmp

    Filesize

    2.1MB

  • memory/1448-48-0x0000000001260000-0x000000000146E000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-105-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-18-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-36-0x0000000000690000-0x00000000006A0000-memory.dmp

    Filesize

    64KB

  • memory/2080-167-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-104-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-165-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-163-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-107-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-157-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-109-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-111-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-113-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-155-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-153-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-121-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2080-149-0x00000000011F0000-0x00000000013FE000-memory.dmp

    Filesize

    2.1MB

  • memory/2404-17-0x0000000005700000-0x000000000590E000-memory.dmp

    Filesize

    2.1MB

  • memory/2404-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2404-29-0x0000000000400000-0x00000000005B1000-memory.dmp

    Filesize

    1.7MB

  • memory/2496-150-0x0000000000400000-0x00000000005B1000-memory.dmp

    Filesize

    1.7MB

  • memory/2496-108-0x0000000000400000-0x00000000005B1000-memory.dmp

    Filesize

    1.7MB

  • memory/2496-106-0x0000000000400000-0x00000000005B1000-memory.dmp

    Filesize

    1.7MB

  • memory/2512-160-0x00000000000E0000-0x00000000002EE000-memory.dmp

    Filesize

    2.1MB

  • memory/2512-162-0x00000000000E0000-0x00000000002EE000-memory.dmp

    Filesize

    2.1MB

  • memory/2628-50-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB