Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2023, 13:27

General

  • Target

    d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe

  • Size

    508KB

  • MD5

    7cdc45bc90410af2a2e230658f217f8a

  • SHA1

    0515a2346ccdd46653a6a7c9eb75321f4bd26c11

  • SHA256

    d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739

  • SHA512

    95b5e8127e82e2c067ad857da5a48a6af66fe26ee1f115900cf5cfaffa0099b5b8df444fc0beda07ad7bb78adca92f3e3efe943b8b5cf6d4bc8265c61acaffc4

  • SSDEEP

    6144:mp+ggUaqL7bmBB+VXvup/y8NNiqxNhHt3bcBMjUeaSCBly1EfrTrPH5WKbXE80Z:S16Lpq4NiCH2BMjWT/rPZTbX

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe
    "C:\Users\Admin\AppData\Local\Temp\d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Program Files (x86)\windows mail\wab.exe
      "C:\Users\Admin\AppData\Local\Temp\d69d730d17e30937225eb3bff9289af6f0c5c2f8428519f421853e733bb9b739.exe"
      2⤵
      • Checks QEMU agent file
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      PID:4992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    3dd80dff583544514eeb3a5ed851a519

    SHA1

    56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

    SHA256

    86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

    SHA512

    955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    3dd80dff583544514eeb3a5ed851a519

    SHA1

    56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

    SHA256

    86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

    SHA512

    955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    3dd80dff583544514eeb3a5ed851a519

    SHA1

    56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

    SHA256

    86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

    SHA512

    955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    3dd80dff583544514eeb3a5ed851a519

    SHA1

    56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

    SHA256

    86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

    SHA512

    955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    3dd80dff583544514eeb3a5ed851a519

    SHA1

    56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

    SHA256

    86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

    SHA512

    955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    3dd80dff583544514eeb3a5ed851a519

    SHA1

    56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

    SHA256

    86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

    SHA512

    955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • C:\Users\Admin\AppData\Local\Temp\nsn67F3.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/4712-28-0x0000000077361000-0x0000000077481000-memory.dmp

    Filesize

    1.1MB

  • memory/4712-29-0x00000000741C0000-0x00000000741C6000-memory.dmp

    Filesize

    24KB

  • memory/4992-30-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-31-0x00000000773E8000-0x00000000773E9000-memory.dmp

    Filesize

    4KB

  • memory/4992-32-0x0000000077361000-0x0000000077481000-memory.dmp

    Filesize

    1.1MB

  • memory/4992-38-0x0000000000AA0000-0x000000000457B000-memory.dmp

    Filesize

    58.9MB

  • memory/4992-40-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-41-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-39-0x0000000000AA0000-0x000000000457B000-memory.dmp

    Filesize

    58.9MB

  • memory/4992-42-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-43-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-44-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-45-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-46-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-47-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-48-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-49-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-50-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-51-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-53-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-54-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-57-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-58-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-59-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-60-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-61-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-62-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-63-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-64-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-65-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-66-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-67-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-68-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-69-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-70-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-72-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-73-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-74-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-75-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-76-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-77-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-78-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-79-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-80-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-81-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-82-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-83-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-84-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-85-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-89-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-90-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-91-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-92-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-93-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-94-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-95-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-96-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-97-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-98-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-99-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-100-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-101-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-102-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-105-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-106-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB

  • memory/4992-107-0x0000000072CC0000-0x0000000073F14000-memory.dmp

    Filesize

    18.3MB