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Analysis

  • max time kernel
    155s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 08:56

General

  • Target

    25efa3640c9ec3c4429740429b6bcdfc17a299bfa6f34880c1813ad289651069.exe

  • Size

    320KB

  • MD5

    bd9972da3a086cef4434f306b52dc371

  • SHA1

    884ffea6090546877f9f1d3e209a781c3b2c8a19

  • SHA256

    25efa3640c9ec3c4429740429b6bcdfc17a299bfa6f34880c1813ad289651069

  • SHA512

    e38055dbe65077dd0f28548a146e2e42e7aa0a085a45c4ff1acac9f20340bfe21d97a054393928c44d5aac0526e5733ef1a3728f2a9a27ac411e516f13f0e9bd

  • SSDEEP

    6144:VNbLBjy4JXLLZfNYT400y63Mjv9ZiM4VqFF:VNJjy8vZfNYb0y63ivnjSqFF

Malware Config

Signatures

  • Detects Smokeloader packer 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 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 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25efa3640c9ec3c4429740429b6bcdfc17a299bfa6f34880c1813ad289651069.exe
    "C:\Users\Admin\AppData\Local\Temp\25efa3640c9ec3c4429740429b6bcdfc17a299bfa6f34880c1813ad289651069.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Users\Admin\AppData\Local\Temp\25efa3640c9ec3c4429740429b6bcdfc17a299bfa6f34880c1813ad289651069.exe
      "C:\Users\Admin\AppData\Local\Temp\25efa3640c9ec3c4429740429b6bcdfc17a299bfa6f34880c1813ad289651069.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4748-134-0x00000000005B2000-0x00000000005C7000-memory.dmp

    Filesize

    84KB

  • memory/4748-135-0x0000000000030000-0x0000000000039000-memory.dmp

    Filesize

    36KB

  • memory/4924-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4924-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4924-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB