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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2023, 22:58

General

  • Target

    file.exe

  • Size

    182KB

  • MD5

    80f9ccb2188e8fe8d8add22f4a2214d9

  • SHA1

    994922fcf284ccd4f6bce9da29d0b501be590cad

  • SHA256

    d001876dc21a9d8c5d116d1dd29d87c8de4654afb74a2dfbc361a99cd4c855ab

  • SHA512

    e3b902000c80452a22900718c37432f72e3a8d844422f86ebe46702c5a10d5e7d8f7724b97a5223d10371ca279a763b5db35764afca67e86ba4427f2b43f2c09

  • SSDEEP

    3072:DK7w/AyWmDpxYsmntNlUpi+wW6AWuqoC9H1TpHyud5bK1E:DGwYyp1xYssHUEbW6GqoO1Vfd5bV

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:2264
    • 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:360
  • C:\Users\Admin\AppData\Roaming\vgjejjw
    C:\Users\Admin\AppData\Roaming\vgjejjw
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Users\Admin\AppData\Roaming\vgjejjw
      C:\Users\Admin\AppData\Roaming\vgjejjw
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    182KB

    MD5

    80f9ccb2188e8fe8d8add22f4a2214d9

    SHA1

    994922fcf284ccd4f6bce9da29d0b501be590cad

    SHA256

    d001876dc21a9d8c5d116d1dd29d87c8de4654afb74a2dfbc361a99cd4c855ab

    SHA512

    e3b902000c80452a22900718c37432f72e3a8d844422f86ebe46702c5a10d5e7d8f7724b97a5223d10371ca279a763b5db35764afca67e86ba4427f2b43f2c09

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

    Filesize

    182KB

    MD5

    80f9ccb2188e8fe8d8add22f4a2214d9

    SHA1

    994922fcf284ccd4f6bce9da29d0b501be590cad

    SHA256

    d001876dc21a9d8c5d116d1dd29d87c8de4654afb74a2dfbc361a99cd4c855ab

    SHA512

    e3b902000c80452a22900718c37432f72e3a8d844422f86ebe46702c5a10d5e7d8f7724b97a5223d10371ca279a763b5db35764afca67e86ba4427f2b43f2c09

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

    Filesize

    182KB

    MD5

    80f9ccb2188e8fe8d8add22f4a2214d9

    SHA1

    994922fcf284ccd4f6bce9da29d0b501be590cad

    SHA256

    d001876dc21a9d8c5d116d1dd29d87c8de4654afb74a2dfbc361a99cd4c855ab

    SHA512

    e3b902000c80452a22900718c37432f72e3a8d844422f86ebe46702c5a10d5e7d8f7724b97a5223d10371ca279a763b5db35764afca67e86ba4427f2b43f2c09

  • memory/360-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/360-137-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/360-133-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2264-135-0x00000000007F0000-0x00000000007F9000-memory.dmp

    Filesize

    36KB

  • memory/2264-134-0x0000000000889000-0x000000000089C000-memory.dmp

    Filesize

    76KB

  • memory/3360-143-0x00000000007D8000-0x00000000007EB000-memory.dmp

    Filesize

    76KB

  • memory/3788-144-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3788-145-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB