Analysis

  • max time kernel
    23s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2024, 10:51

General

  • Target
    866c6faeaa820ec56550404cd3d0f1b0.exe
  • Size 289KB
  • Sample240112-mxtzesfcc5
  • SHA256 1a0885223c50263c153be36ffdcccd5c217e00a2e1f04893a836a37a6c0cd8a7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub1

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-file-host6.com/

  • http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe
    "C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe
      "C:\Users\Admin\AppData\Local\Temp\866c6faeaa820ec56550404cd3d0f1b0.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2372
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2700
      • C:\Users\Admin\AppData\Local\Temp\3973ym3au7s335i_1.exe
        /suac
        2⤵
          PID:2296
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\3973YM~1.EXE" /RL HIGHEST
            3⤵
            • Creates scheduled task(s)
            PID:1664
          • C:\Windows\SysWOW64\regedit.exe
            "C:\Windows\SysWOW64\regedit.exe"
            3⤵
            • Runs regedit.exe
            PID:1468
      • C:\Users\Admin\AppData\Local\Temp\7501.exe
        C:\Users\Admin\AppData\Local\Temp\7501.exe
        1⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2952
      • C:\Users\Admin\AppData\Local\Temp\7BC6.exe
        C:\Users\Admin\AppData\Local\Temp\7BC6.exe
        1⤵
          PID:2432

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/1376-7-0x0000000002AD0000-0x0000000002AE6000-memory.dmp

              memory/1376-63-0x00000000778A1000-0x00000000778A2000-memory.dmp

              memory/1376-100-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

              memory/1468-105-0x00000000008F0000-0x0000000000956000-memory.dmp

              memory/1468-108-0x00000000008F0000-0x0000000000955000-memory.dmp

              memory/1468-106-0x00000000008F0000-0x0000000000956000-memory.dmp

              memory/1468-109-0x0000000000090000-0x000000000009B000-memory.dmp

              memory/1972-4-0x00000000005B2000-0x00000000005C0000-memory.dmp

              memory/1972-5-0x0000000000220000-0x0000000000229000-memory.dmp

              memory/2296-112-0x0000000000360000-0x00000000003C6000-memory.dmp

              memory/2296-93-0x00000000005E0000-0x00000000005E6000-memory.dmp

              memory/2296-113-0x00000000005E0000-0x00000000005E6000-memory.dmp

              memory/2296-92-0x0000000000360000-0x00000000003C6000-memory.dmp

              memory/2296-111-0x0000000000010000-0x000000000006D000-memory.dmp

              memory/2296-97-0x0000000000360000-0x00000000003C6000-memory.dmp

              memory/2296-91-0x0000000000360000-0x00000000003C6000-memory.dmp

              memory/2296-96-0x0000000000360000-0x00000000003C6000-memory.dmp

              memory/2296-95-0x0000000001E80000-0x0000000001E8C000-memory.dmp

              memory/2372-8-0x0000000000400000-0x0000000000409000-memory.dmp

              memory/2372-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              memory/2372-6-0x0000000000400000-0x0000000000409000-memory.dmp

              memory/2372-3-0x0000000000400000-0x0000000000409000-memory.dmp

              memory/2432-60-0x0000000001020000-0x00000000015B6000-memory.dmp

              memory/2700-62-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-75-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-39-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-38-0x00000000000E0000-0x00000000000E6000-memory.dmp

              memory/2700-37-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-49-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-51-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-50-0x0000000000A30000-0x0000000000A31000-memory.dmp

              memory/2700-36-0x0000000000170000-0x0000000000234000-memory.dmp

              memory/2700-33-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-115-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-52-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-41-0x0000000000170000-0x0000000000234000-memory.dmp

              memory/2700-44-0x00000000023B0000-0x00000000023BC000-memory.dmp

              memory/2700-61-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-64-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-65-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-67-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-66-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-68-0x0000000077850000-0x00000000779F9000-memory.dmp

              memory/2700-71-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-70-0x00000000000E0000-0x00000000000E6000-memory.dmp

              memory/2700-69-0x0000000000170000-0x0000000000234000-memory.dmp

              memory/2700-73-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-74-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-104-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-72-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-76-0x0000000000170000-0x0000000000234000-memory.dmp

              memory/2700-77-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-98-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-79-0x0000000000170000-0x0000000000234000-memory.dmp

              memory/2700-89-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-45-0x0000000000170000-0x0000000000234000-memory.dmp

              memory/2700-42-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-40-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-34-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2700-35-0x0000000077A30000-0x0000000077BB1000-memory.dmp

              memory/2736-80-0x00000000778A1000-0x00000000778A2000-memory.dmp

              memory/2952-23-0x0000000001C30000-0x0000000001C96000-memory.dmp

              memory/2952-24-0x00000000002A0000-0x00000000002A6000-memory.dmp

              memory/2952-47-0x0000000001C30000-0x0000000001C96000-memory.dmp

              memory/2952-25-0x00000000002B0000-0x00000000002BD000-memory.dmp

              memory/2952-26-0x0000000077A40000-0x0000000077A41000-memory.dmp

              memory/2952-29-0x0000000001D80000-0x0000000001D81000-memory.dmp

              memory/2952-30-0x0000000001EF0000-0x0000000001EFC000-memory.dmp

              memory/2952-31-0x0000000001C30000-0x0000000001C96000-memory.dmp

              memory/2952-27-0x0000000001C30000-0x0000000001C96000-memory.dmp

              memory/2952-22-0x0000000000010000-0x000000000006D000-memory.dmp

              memory/2952-48-0x00000000002A0000-0x00000000002A6000-memory.dmp