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Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/10/2022, 00:48

General

  • Target

    715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299.exe

  • Size

    220KB

  • MD5

    07ccf82355aa0f7c864429c757d9d8ba

  • SHA1

    7f15f044a8607d4671b7dd054500bd047de6f630

  • SHA256

    715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299

  • SHA512

    a7850cd16234c6543038930d9601c78ccd8a68482d35679ee10844b080d93c595a63e3930393f39b21495630b86321efc95aa612ed5e84cc3d59bd40e6ca873c

  • SSDEEP

    3072:53205dVETW/rWLLTLsws6H5LXQkGxH0XMidzyf424ew8UVhQbo/7FB8eSe:53TJmLTPsMQkGxH6Mityf+eIVhh77Y

Malware Config

Signatures

  • Detects Smokeloader packer 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299.exe
    "C:\Users\Admin\AppData\Local\Temp\715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\Temp\715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299.exe
      "C:\Users\Admin\AppData\Local\Temp\715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2764
  • C:\Users\Admin\AppData\Roaming\estritg
    C:\Users\Admin\AppData\Roaming\estritg
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Roaming\estritg
      C:\Users\Admin\AppData\Roaming\estritg
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\estritg

    Filesize

    220KB

    MD5

    07ccf82355aa0f7c864429c757d9d8ba

    SHA1

    7f15f044a8607d4671b7dd054500bd047de6f630

    SHA256

    715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299

    SHA512

    a7850cd16234c6543038930d9601c78ccd8a68482d35679ee10844b080d93c595a63e3930393f39b21495630b86321efc95aa612ed5e84cc3d59bd40e6ca873c

  • C:\Users\Admin\AppData\Roaming\estritg

    Filesize

    220KB

    MD5

    07ccf82355aa0f7c864429c757d9d8ba

    SHA1

    7f15f044a8607d4671b7dd054500bd047de6f630

    SHA256

    715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299

    SHA512

    a7850cd16234c6543038930d9601c78ccd8a68482d35679ee10844b080d93c595a63e3930393f39b21495630b86321efc95aa612ed5e84cc3d59bd40e6ca873c

  • C:\Users\Admin\AppData\Roaming\estritg

    Filesize

    220KB

    MD5

    07ccf82355aa0f7c864429c757d9d8ba

    SHA1

    7f15f044a8607d4671b7dd054500bd047de6f630

    SHA256

    715b64fe6d295af97dc23676fd41978b09614c5bd78194151ed8066350ff0299

    SHA512

    a7850cd16234c6543038930d9601c78ccd8a68482d35679ee10844b080d93c595a63e3930393f39b21495630b86321efc95aa612ed5e84cc3d59bd40e6ca873c

  • memory/536-135-0x00000000001F0000-0x00000000001F9000-memory.dmp

    Filesize

    36KB

  • memory/536-134-0x00000000006D2000-0x00000000006E2000-memory.dmp

    Filesize

    64KB

  • memory/1508-143-0x0000000000813000-0x0000000000824000-memory.dmp

    Filesize

    68KB

  • memory/2764-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2764-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2764-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3396-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3396-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB