Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2024 12:31

General

  • Target

    683b8d56cc93a5b9dd63e70c8186dde0N.exe

  • Size

    358KB

  • MD5

    683b8d56cc93a5b9dd63e70c8186dde0

  • SHA1

    dc28c13ba04ecde27fc2c1ff50f56de54cdb9110

  • SHA256

    29346aca116d82653b5055fe4a91b3ec889284716dfe2760dcbc793589fede80

  • SHA512

    2f4d45a2b492b2cc06bedcb8ca16b925221922a078b4139d0e1740d4c5373b7ffb1684184236e365cb0d22274cbdd7122dee8f46e7df84db3ac58d484a493b0a

  • SSDEEP

    6144:5t0Wytsa993UQPBFaR5kCXSqCZckcf4KAxJxhIS565mLDPJFBTLzaV:5lsZEQbaR5kCXSqCRcgCS56wPR

Malware Config

Extracted

Family

smokeloader

Botnet

1004

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe
    "C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe
      "C:\Users\Admin\AppData\Local\Temp\683b8d56cc93a5b9dd63e70c8186dde0N.exe"
      2⤵
      • Loads dropped DLL
      PID:1896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\AE30.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • memory/1896-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1896-4-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1896-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1896-10-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2596-1-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/2596-5-0x0000000000220000-0x000000000022C000-memory.dmp

    Filesize

    48KB