Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 06:07

General

  • Target

    SİPARİŞ No.112024-pdf.bat.exe

  • Size

    967KB

  • MD5

    f33b6e1067bf27d4bea237206532881e

  • SHA1

    5602bb70d47fb5f8061688b62b6f9b3bafd1a4bc

  • SHA256

    2ab9083b17140ee82b2d96fceecfc3ad8c286b320222b074719fe7a1852ab91a

  • SHA512

    4bd51edf3d884ac43dac8f5f1f856020b3ebfa569754da47ce98bca18e7389ea439af3624441200ea330b9821f6596b5e433b41d6ba0397590afe95a53381280

  • SSDEEP

    24576:oewAoAZIk1OZaFT40sBSBCbnx7eqhOxQUsHVSm:CAFLEZaChBSBCr5eqoxQhHs

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 6 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SİPARİŞ No.112024-pdf.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\SİPARİŞ No.112024-pdf.bat.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\SİPARİŞ No.112024-pdf.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\SİPARİŞ No.112024-pdf.bat.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsw639D.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    3dd80dff583544514eeb3a5ed851a519

    SHA1

    56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

    SHA256

    86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

    SHA512

    955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

  • C:\Users\Admin\AppData\Local\Temp\nsw639D.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/1248-27-0x0000000004A50000-0x0000000005E54000-memory.dmp

    Filesize

    20.0MB

  • memory/1248-28-0x0000000077C41000-0x0000000077D61000-memory.dmp

    Filesize

    1.1MB

  • memory/1248-29-0x0000000074AA4000-0x0000000074AA5000-memory.dmp

    Filesize

    4KB

  • memory/1248-31-0x0000000004A50000-0x0000000005E54000-memory.dmp

    Filesize

    20.0MB

  • memory/3392-33-0x0000000077CC8000-0x0000000077CC9000-memory.dmp

    Filesize

    4KB

  • memory/3392-32-0x0000000001660000-0x0000000002A64000-memory.dmp

    Filesize

    20.0MB

  • memory/3392-30-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3392-34-0x0000000077CE5000-0x0000000077CE6000-memory.dmp

    Filesize

    4KB

  • memory/3392-35-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3392-36-0x0000000001660000-0x0000000002A64000-memory.dmp

    Filesize

    20.0MB

  • memory/3392-37-0x0000000000403000-0x0000000000447000-memory.dmp

    Filesize

    272KB

  • memory/3392-39-0x0000000077C41000-0x0000000077D61000-memory.dmp

    Filesize

    1.1MB

  • memory/3392-38-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3392-40-0x0000000000403000-0x0000000000447000-memory.dmp

    Filesize

    272KB

  • memory/3392-41-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3392-44-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3392-45-0x0000000000403000-0x0000000000447000-memory.dmp

    Filesize

    272KB