Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 23:41

General

  • Target

    PDF.exe

  • Size

    1.6MB

  • MD5

    f464d4d7c3a16d42be2501b9b069f592

  • SHA1

    d746cb858983edb93ecdb9b44d65d18c83d5257d

  • SHA256

    4ea3fd5832635ca12ad822ba1b441fe5e38ea5599d08822057d35248a029cefb

  • SHA512

    4685c52657f2a30f1ed973fa5f0a6c575a93d184980b4e539f41a9d38d481fe0aa0bd2a99140b9c72fb04982f6ad2b7d522045369c752df856856ccd3749899d

  • SSDEEP

    24576:MnsJ39LyjbJkQFMhmC+6GD99hloDX0XOf4mSAz+53SDjpLSZi:MnsHyjtk2MYC5GDrhloJfOAz+OpSs

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 19 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 23 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\PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\PDF.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\._cache_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_PDF.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:3016
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn PLKQRZ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2964
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn PLKQRZ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2576
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\PLKQRZ.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2692
    • 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:2184
      • 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:2780
  • 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:2980
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {BD121DC4-5B53-4A76-8CA8-C747EB17E801} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe
      C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2060
    • C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe
      C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.6MB

    MD5

    f464d4d7c3a16d42be2501b9b069f592

    SHA1

    d746cb858983edb93ecdb9b44d65d18c83d5257d

    SHA256

    4ea3fd5832635ca12ad822ba1b441fe5e38ea5599d08822057d35248a029cefb

    SHA512

    4685c52657f2a30f1ed973fa5f0a6c575a93d184980b4e539f41a9d38d481fe0aa0bd2a99140b9c72fb04982f6ad2b7d522045369c752df856856ccd3749899d

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

    Filesize

    842B

    MD5

    706b2a1027185f7c686601dd89fad82f

    SHA1

    bb7d730e0f6f789454cd3bdc7c45b3463af3159d

    SHA256

    e24ccdc4aa9414c2f2c95662317c0ebf39e4d844ef47c46d5f2b40f810d07dc6

    SHA512

    414a0ef71523138cd55b5aa172b86eb46f9dd1fcdff6496b057191f40930146cdf5dda513e6234eb7e3e63b2dc38882468e60a892a3002139a4f69b4fb3405ea

  • C:\Users\Admin\AppData\Local\Temp\ZyiE2btY.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\ZyiE2btY.xlsm

    Filesize

    20KB

    MD5

    5298da449b8979301f5615e579c9e565

    SHA1

    8f5f9d589ea1721ea4f6f7502d62f5405b2eb354

    SHA256

    be95ff84d53defab5fc6973f8d8dfcd45aa9880c9912dee876aa6ce51566404b

    SHA512

    97a078176a736200af5e7e9b709940eea4b84408d11118d78d2b50629f1dae1d3a61126125aa481598446061db837cb8c543e0bde02fd5c6efba85dbcfa8714d

  • C:\Users\Admin\AppData\Local\Temp\ZyiE2btY.xlsm

    Filesize

    22KB

    MD5

    1ff4cdd3b5505aeac70b4b94eb86fa51

    SHA1

    cb798c6c236af0dd8ada0892c148b794199aff41

    SHA256

    f623154735e7a18dcd0900497e48bc3fc7c35cc49d2e338c4294cb54802735d5

    SHA512

    4bbcd956e77c81d2eeb091e7fbea97685e2f4e1e3f2b28a193b8c7d8b3ca59880f1d242c8d836e17db5e2e919cd8135e2975bfb37934cebde99fefe7997c3257

  • C:\Users\Admin\AppData\Local\Temp\ZyiE2btY.xlsm

    Filesize

    26KB

    MD5

    84507fb80c2b07eb49d789901f793184

    SHA1

    c0b376c516eafdd0eb6bb096d038c73964929edc

    SHA256

    80ebb49ed7e545cd8fba00a8a1278164e00ef63a5f56b49c2464bd5192dd6361

    SHA512

    f89a3ef706819728cb6de0d017ffb40bd522b6f883718d28120cc98b86746d74ade108349f3da64397f2760d51a118af9a9309be527b1fdddf20e367c20f3984

  • C:\Users\Admin\AppData\Local\Temp\ZyiE2btY.xlsm

    Filesize

    25KB

    MD5

    a3856ee82e3970e704176334e6f93022

    SHA1

    60a21a7b777e3e61b245e5557839d30be337b41d

    SHA256

    4ce463c3932f1a140b34a015700747e5fff11a7c86081d72f647d004936b4606

    SHA512

    cabb1b7f789ca95dce14e8e34423577a645d4acb44fbf1800249ad10687cf79748b30c658b6bc8b79cb48f2ee33c8960ee86a9abba68e4b33b0c349a9414a960

  • C:\Users\Admin\AppData\Local\Temp\~$ZyiE2btY.xlsm

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

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

    Filesize

    924KB

    MD5

    a5a8036e79f55c90cfe42b55df9db6bc

    SHA1

    a2239f8990e86d77673c54f4548a04da10dbc2a8

    SHA256

    15a513aa7ef12e73fc81b81b2b5455423bbef03524efef33047c1d48c5db624d

    SHA512

    89f13d58094ce99fe229edd4f02210cddc590ba0aabc502034f04e3643d5bfc7ed7a1675a0db63be4a94f4bf447efbb2b5cfaffe35fa0b213e816c13828193be

  • memory/1356-184-0x0000000001290000-0x000000000148E000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-186-0x0000000001290000-0x000000000148E000-memory.dmp

    Filesize

    2.0MB

  • memory/1600-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1600-28-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/1600-16-0x0000000005760000-0x000000000595E000-memory.dmp

    Filesize

    2.0MB

  • memory/2060-141-0x0000000001290000-0x000000000148E000-memory.dmp

    Filesize

    2.0MB

  • memory/2060-142-0x0000000001290000-0x000000000148E000-memory.dmp

    Filesize

    2.0MB

  • memory/2184-176-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/2184-40-0x00000000057C0000-0x00000000059BE000-memory.dmp

    Filesize

    2.0MB

  • memory/2184-131-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/2184-128-0x00000000057C0000-0x00000000059BE000-memory.dmp

    Filesize

    2.0MB

  • memory/2184-134-0x0000000000400000-0x00000000005A9000-memory.dmp

    Filesize

    1.7MB

  • memory/2780-77-0x0000000000CF0000-0x0000000000EEE000-memory.dmp

    Filesize

    2.0MB

  • memory/2780-42-0x0000000000CF0000-0x0000000000EEE000-memory.dmp

    Filesize

    2.0MB

  • memory/2980-127-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2980-47-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/3016-129-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-135-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-137-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-133-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-130-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-143-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-147-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-132-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB

  • memory/3016-175-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-177-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-179-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-181-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-46-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB

  • memory/3016-18-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-187-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-189-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-191-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-193-0x0000000000F70000-0x000000000116E000-memory.dmp

    Filesize

    2.0MB