Analysis

  • max time kernel
    298s
  • max time network
    272s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 13:55

General

  • Target

    transferencia-256893035-145529-sanlccjavap0004-145.exe

  • Size

    523KB

  • MD5

    0dfa923548c0c87e17f4b58fe18d50c2

  • SHA1

    02297bf370ddb5998ee44b5f45289bfad33f157c

  • SHA256

    0bfd1449856fa8814c4d16e77e1ac018c3a265328c4b3819775c31a3e89c0a22

  • SHA512

    79a748ae4377823b40f42b0d703b76cd3fea096e92ae734b73129014e6d2a17d027f83248dbb9bade9745ef1598318215d9e683f9bee3130e726e55ad1c33dcc

  • SSDEEP

    12288:DMWZ/o0AK0/WAxhrHJluQrNlxWW5xsjmFs+ZHmkHN3HiPCpfBVx:IAgxX/WA/zXgeMIHnHpHiwV

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.exe
    "C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.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:3032
    • C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.exe
      "C:\Users\Admin\AppData\Local\Temp\transferencia-256893035-145529-sanlccjavap0004-145.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsvA0F4.tmp\System.dll

    Filesize

    11KB

    MD5

    cf85183b87314359488b850f9e97a698

    SHA1

    6b6c790037eec7ebea4d05590359cb4473f19aea

    SHA256

    3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

    SHA512

    fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

  • C:\Users\Admin\Music\incinerations.lnk

    Filesize

    730B

    MD5

    ac051e71f303a480d785efc036757175

    SHA1

    b9b2bee5a1010bf1da07445f5057cedb10ce3c3f

    SHA256

    0d098999e5ba1f5a13789d6e30543e49f706bf1e9132e359604402ceaf0b4ef0

    SHA512

    ae8e0c734048434ae04ba59760051c191c8006b645909b1a522a780bbdff494005322a6c63b8300cc4c6cda85826ce54119cecb7644c3c9923afbbc5e26458f7

  • memory/3032-433-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/3032-430-0x00000000036E0000-0x0000000006539000-memory.dmp

    Filesize

    46.3MB

  • memory/3032-431-0x0000000077BE1000-0x0000000077D01000-memory.dmp

    Filesize

    1.1MB

  • memory/3032-432-0x0000000077BE1000-0x0000000077D01000-memory.dmp

    Filesize

    1.1MB

  • memory/3032-429-0x00000000036E0000-0x0000000006539000-memory.dmp

    Filesize

    46.3MB

  • memory/3032-435-0x00000000036E0000-0x0000000006539000-memory.dmp

    Filesize

    46.3MB

  • memory/3608-434-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3608-436-0x0000000001660000-0x00000000044B9000-memory.dmp

    Filesize

    46.3MB

  • memory/3608-449-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3608-450-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3608-451-0x0000000001660000-0x00000000044B9000-memory.dmp

    Filesize

    46.3MB

  • memory/3608-452-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB