Analysis

  • max time kernel
    119s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 00:00

General

  • Target

    aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492N.exe

  • Size

    1.3MB

  • MD5

    67e73eca1e34845e41747242082f4f00

  • SHA1

    3f984706e015e577dde6da1c1377c6bdb9102245

  • SHA256

    aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492

  • SHA512

    d5f38ab5e780f0cd850c18cc87949d687e7183d2e6bfa4268dc403d653ba182c31273de5cfd818b360dcf2bcee6fdab4688ce6dcd15da7170f01e95629995e04

  • SSDEEP

    24576:unsJ39LyjbJkQFMhmC+6GD9EY+7sAWih9ZM:unsHyjtk2MYC5GDGY+7TWo9ZM

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492N.exe
    "C:\Users\Admin\AppData\Local\Temp\aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\AppData\Local\Temp\._cache_aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492N.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2932
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4840
      • 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:4452
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.3MB

    MD5

    67e73eca1e34845e41747242082f4f00

    SHA1

    3f984706e015e577dde6da1c1377c6bdb9102245

    SHA256

    aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492

    SHA512

    d5f38ab5e780f0cd850c18cc87949d687e7183d2e6bfa4268dc403d653ba182c31273de5cfd818b360dcf2bcee6fdab4688ce6dcd15da7170f01e95629995e04

  • C:\Users\Admin\AppData\Local\Temp\._cache_aafcf7565eff8d2a853b2e3e6c7f4384e512b9759ae6dae86db943f9abdb4492N.exe

    Filesize

    558KB

    MD5

    5630504bf55469139f6d965fea9d21af

    SHA1

    675a1a7c0371d19a049821f0b4c2690af45a74d9

    SHA256

    8201fcd654293474744d4a8ff9ae8a42b32d41da0b1fb1bf8872b615f9a918e8

    SHA512

    59c9716009d2b5952c326b5c7dbd26750ba356416a1e5d0127b2d9a3c6627f15dcec0e548957386c2516b3d300237d6b8a7b045c3da12e94fc665189ddc31b88

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

    Filesize

    17KB

    MD5

    af4d37aad8b34471da588360a43e768a

    SHA1

    83ed64667d4e68ea531b8bcf58aab3ed4a5ca998

    SHA256

    e7550c3453156531308fda255a198c3710aa4bc7412819c180b103c11e85cef1

    SHA512

    74f5000038c47b7c909c4ee5740e0e87cac12c9c96fff8b1c7ec749541ee3d4b7efd80f9ac02cd39809dca3f2707d0063fa852a3a541342d93a9d03de08823da

  • memory/1512-0-0x00000000023E0000-0x00000000023E1000-memory.dmp

    Filesize

    4KB

  • memory/1512-75-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/2932-130-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-142-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-111-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-179-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-176-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-110-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/2932-139-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-146-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-149-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-136-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-43-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/2932-173-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2932-182-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/2960-114-0x00007FF81BC90000-0x00007FF81BCA0000-memory.dmp

    Filesize

    64KB

  • memory/2960-120-0x00007FF819560000-0x00007FF819570000-memory.dmp

    Filesize

    64KB

  • memory/2960-119-0x00007FF819560000-0x00007FF819570000-memory.dmp

    Filesize

    64KB

  • memory/2960-118-0x00007FF81BC90000-0x00007FF81BCA0000-memory.dmp

    Filesize

    64KB

  • memory/2960-117-0x00007FF81BC90000-0x00007FF81BCA0000-memory.dmp

    Filesize

    64KB

  • memory/2960-116-0x00007FF81BC90000-0x00007FF81BCA0000-memory.dmp

    Filesize

    64KB

  • memory/2960-115-0x00007FF81BC90000-0x00007FF81BCA0000-memory.dmp

    Filesize

    64KB

  • memory/4452-132-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-175-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-184-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-144-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-138-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-148-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-181-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-151-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-178-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-141-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4452-113-0x0000000000400000-0x0000000000491000-memory.dmp

    Filesize

    580KB

  • memory/4840-174-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/4840-131-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/4840-112-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/4840-137-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/4840-76-0x00000000020B0000-0x00000000020B1000-memory.dmp

    Filesize

    4KB

  • memory/4840-140-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB