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Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2023, 21:58

General

  • Target

    file.exe

  • Size

    180KB

  • MD5

    0fbd624f1a4c263d6bf69cc3aecbbd0a

  • SHA1

    869223a42c31744c4834b797333a0ef4092ba2f5

  • SHA256

    d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a

  • SHA512

    4dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6

  • SSDEEP

    3072:1KSZkKi5Hvgj3Mm7Z8eXp0nFEEfwm47Fb9Jr9:HKbYj31WspfEfGr9

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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:544
  • C:\Users\Admin\AppData\Roaming\jwbvwvu
    C:\Users\Admin\AppData\Roaming\jwbvwvu
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4372
    • C:\Users\Admin\AppData\Roaming\jwbvwvu
      C:\Users\Admin\AppData\Roaming\jwbvwvu
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    180KB

    MD5

    0fbd624f1a4c263d6bf69cc3aecbbd0a

    SHA1

    869223a42c31744c4834b797333a0ef4092ba2f5

    SHA256

    d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a

    SHA512

    4dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6

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

    Filesize

    180KB

    MD5

    0fbd624f1a4c263d6bf69cc3aecbbd0a

    SHA1

    869223a42c31744c4834b797333a0ef4092ba2f5

    SHA256

    d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a

    SHA512

    4dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6

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

    Filesize

    180KB

    MD5

    0fbd624f1a4c263d6bf69cc3aecbbd0a

    SHA1

    869223a42c31744c4834b797333a0ef4092ba2f5

    SHA256

    d18e128b5e7f0d6a1d7e4b4c2c7daf8e2ee1768b2cf87e6495d7f596756e911a

    SHA512

    4dfc1cb8025bf0d7e810bf1f39b3cf86041b3ae3c3c28d782fa33c236edd35bd593095ce88236b0e83196c1929dcb56a68389a57de4405812db1c8e42f4910d6

  • memory/544-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/544-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/544-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1840-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1840-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4372-143-0x0000000000A1E000-0x0000000000A34000-memory.dmp

    Filesize

    88KB

  • memory/5068-135-0x0000000000A20000-0x0000000000A29000-memory.dmp

    Filesize

    36KB

  • memory/5068-134-0x0000000000A7F000-0x0000000000A95000-memory.dmp

    Filesize

    88KB