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Analysis

  • max time kernel
    221s
  • max time network
    240s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2023, 21:18

General

  • Target

    file.exe

  • Size

    210KB

  • MD5

    67ce6abdd45cc8eeb5521c8a380c7fd2

  • SHA1

    4ce9be4f42366057e176f12683f62453157c79f3

  • SHA256

    8766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6

  • SHA512

    448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b

  • SSDEEP

    1536:YCQukO0Hpxdd27hM11YCYSPg9layLeFd55WluJzGVq8+WyuLOLJMcT/Yw8cDovI9:YCXj0HMAFd5sZO7NQtcUvNDny6Rxi

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 4 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:3448
    • 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:1488
  • C:\Users\Admin\AppData\Roaming\uacuitv
    C:\Users\Admin\AppData\Roaming\uacuitv
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Roaming\uacuitv
      C:\Users\Admin\AppData\Roaming\uacuitv
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4188

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    210KB

    MD5

    67ce6abdd45cc8eeb5521c8a380c7fd2

    SHA1

    4ce9be4f42366057e176f12683f62453157c79f3

    SHA256

    8766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6

    SHA512

    448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b

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

    Filesize

    210KB

    MD5

    67ce6abdd45cc8eeb5521c8a380c7fd2

    SHA1

    4ce9be4f42366057e176f12683f62453157c79f3

    SHA256

    8766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6

    SHA512

    448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b

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

    Filesize

    210KB

    MD5

    67ce6abdd45cc8eeb5521c8a380c7fd2

    SHA1

    4ce9be4f42366057e176f12683f62453157c79f3

    SHA256

    8766c2a59b2c0c90d0803fa76287cb79a9ea980d2be8bf3008750286ca20c8f6

    SHA512

    448a48fae32dc4be08880239b87f9ca51ad4c974cccb9ec460f7765db69727bddcebe505fed9a3c037a1ec7e43c003673d32b5775db2098987f971e70baac24b

  • memory/1488-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1488-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1488-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1960-143-0x0000000002ED8000-0x0000000002EE8000-memory.dmp

    Filesize

    64KB

  • memory/3448-135-0x0000000002C20000-0x0000000002C29000-memory.dmp

    Filesize

    36KB

  • memory/3448-134-0x0000000002C99000-0x0000000002CA9000-memory.dmp

    Filesize

    64KB

  • memory/4188-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4188-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB