Overview

overview

10

Static

static

10

049dba940a...c2.exe

windows7-x64

10

049dba940a...c2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230824-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/08/2023, 03:21

Sharing

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General

  • Target

    049dba940ae82f0854bf40c8b4e797c2.exe

  • Size

    47KB

  • MD5

    049dba940ae82f0854bf40c8b4e797c2

  • SHA1

    66fb9bb6e60c5c3a8b98a373fa447815f04e5542

  • SHA256

    dbdec713237cbedbd00b8918ab933922e00df0a115bdbcbaa75cbedd1f47cb97

  • SHA512

    4a11d38fccfc853591d75e12a6734403aedd64c691274a4d348eb08a60521928abbcef0b32fa4952d1da5a073f21abf6e672432b77b02347576e64e6d32ce2f4

  • SSDEEP

    384:K9VD6tee+qUOTd2opQTLAdz1SvNmhpdvOjT7PbA6HBiTSnjxZMdP05ldpRMaYIBI:k6Qe+qUv8zcqdvOXA6XkPslJvGaVW

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\049dba940ae82f0854bf40c8b4e797c2.exe
    "C:\Users\Admin\AppData\Local\Temp\049dba940ae82f0854bf40c8b4e797c2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2168
  • C:\Users\Admin\AppData\Local\Temp\12F.exe
    C:\Users\Admin\AppData\Local\Temp\12F.exe
    1⤵
    • Executes dropped EXE
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4212
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\kz8NPr.Cpl",
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3496
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\kz8NPr.Cpl",
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2416
        • C:\Windows\system32\RunDll32.exe
          C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\kz8NPr.Cpl",
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2792
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\kz8NPr.Cpl",
            5⤵
            • Loads dropped DLL
            PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\12F.exe
    Filesize

    2.7MB

    MD5

    06273016cd8622e9e2d9f618518210f2

    SHA1

    a228914a8f237af573ceb8f60166e2dc84f65832

    SHA256

    3c595fbce58f85755fe9f1ee89747434de2c5977539503c35994c7f1d417cf8e

    SHA512

    eec2d3802d257a5baae7c8f618755520f1b0392c36f26b902f6bf6b88f07ebc5b5add3af230c1feac259df35b574d7ff8743b5fcb0be92605766ff1230752deb

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\12F.exe
    Filesize

    2.7MB

    MD5

    06273016cd8622e9e2d9f618518210f2

    SHA1

    a228914a8f237af573ceb8f60166e2dc84f65832

    SHA256

    3c595fbce58f85755fe9f1ee89747434de2c5977539503c35994c7f1d417cf8e

    SHA512

    eec2d3802d257a5baae7c8f618755520f1b0392c36f26b902f6bf6b88f07ebc5b5add3af230c1feac259df35b574d7ff8743b5fcb0be92605766ff1230752deb

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\kz8NPr.Cpl
    Filesize

    2.6MB

    MD5

    e6218bdf25e21ff48f66d283e229b5b3

    SHA1

    7da740a44abfb81f43be2d7b18f6062481bf31c8

    SHA256

    aa6c2b6710be3ba86eea07083bdcce5f3d5a869403f25fb3c7a6f8b12ce45b43

    SHA512

    7653cc51eeb5d31802f1f3e9e51abf2dafd9c83bdfbcde4d4c3a2bfa9f70c059ddf13c1aed4a28b3ec44c9dca4d99761c36a230c0830be931f551f08e27a095b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\kz8Npr.cpl
    Filesize

    2.6MB

    MD5

    e6218bdf25e21ff48f66d283e229b5b3

    SHA1

    7da740a44abfb81f43be2d7b18f6062481bf31c8

    SHA256

    aa6c2b6710be3ba86eea07083bdcce5f3d5a869403f25fb3c7a6f8b12ce45b43

    SHA512

    7653cc51eeb5d31802f1f3e9e51abf2dafd9c83bdfbcde4d4c3a2bfa9f70c059ddf13c1aed4a28b3ec44c9dca4d99761c36a230c0830be931f551f08e27a095b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\kz8Npr.cpl
    Filesize

    2.6MB

    MD5

    e6218bdf25e21ff48f66d283e229b5b3

    SHA1

    7da740a44abfb81f43be2d7b18f6062481bf31c8

    SHA256

    aa6c2b6710be3ba86eea07083bdcce5f3d5a869403f25fb3c7a6f8b12ce45b43

    SHA512

    7653cc51eeb5d31802f1f3e9e51abf2dafd9c83bdfbcde4d4c3a2bfa9f70c059ddf13c1aed4a28b3ec44c9dca4d99761c36a230c0830be931f551f08e27a095b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\kz8Npr.cpl
    Filesize

    2.6MB

    MD5

    e6218bdf25e21ff48f66d283e229b5b3

    SHA1

    7da740a44abfb81f43be2d7b18f6062481bf31c8

    SHA256

    aa6c2b6710be3ba86eea07083bdcce5f3d5a869403f25fb3c7a6f8b12ce45b43

    SHA512

    7653cc51eeb5d31802f1f3e9e51abf2dafd9c83bdfbcde4d4c3a2bfa9f70c059ddf13c1aed4a28b3ec44c9dca4d99761c36a230c0830be931f551f08e27a095b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\kz8Npr.cpl
    Filesize

    2.6MB

    MD5

    e6218bdf25e21ff48f66d283e229b5b3

    SHA1

    7da740a44abfb81f43be2d7b18f6062481bf31c8

    SHA256

    aa6c2b6710be3ba86eea07083bdcce5f3d5a869403f25fb3c7a6f8b12ce45b43

    SHA512

    7653cc51eeb5d31802f1f3e9e51abf2dafd9c83bdfbcde4d4c3a2bfa9f70c059ddf13c1aed4a28b3ec44c9dca4d99761c36a230c0830be931f551f08e27a095b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\kz8Npr.cpl
    Filesize

    2.6MB

    MD5

    e6218bdf25e21ff48f66d283e229b5b3

    SHA1

    7da740a44abfb81f43be2d7b18f6062481bf31c8

    SHA256

    aa6c2b6710be3ba86eea07083bdcce5f3d5a869403f25fb3c7a6f8b12ce45b43

    SHA512

    7653cc51eeb5d31802f1f3e9e51abf2dafd9c83bdfbcde4d4c3a2bfa9f70c059ddf13c1aed4a28b3ec44c9dca4d99761c36a230c0830be931f551f08e27a095b

    Download Submit

  • memory/2168-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2168-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2416-26-0x0000000001480000-0x0000000001486000-memory.dmp

    Filesize

    24KB

    Download

  • memory/2416-27-0x00000000030C0000-0x000000000334D000-memory.dmp

    Filesize

    2.6MB

    Download

  • memory/2416-31-0x00000000036F0000-0x0000000003804000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/2416-32-0x0000000003810000-0x0000000003909000-memory.dmp

    Filesize

    996KB

    Download

  • memory/2416-35-0x0000000003810000-0x0000000003909000-memory.dmp

    Filesize

    996KB

    Download

  • memory/2416-36-0x0000000003810000-0x0000000003909000-memory.dmp

    Filesize

    996KB

    Download

  • memory/2416-25-0x00000000030C0000-0x000000000334D000-memory.dmp

    Filesize

    2.6MB

    Download

  • memory/2832-41-0x0000000003080000-0x000000000330D000-memory.dmp

    Filesize

    2.6MB

    Download

  • memory/2832-39-0x0000000003080000-0x000000000330D000-memory.dmp

    Filesize

    2.6MB

    Download

  • memory/2832-40-0x0000000001350000-0x0000000001356000-memory.dmp

    Filesize

    24KB

    Download

  • memory/2832-46-0x0000000003820000-0x0000000003919000-memory.dmp

    Filesize

    996KB

    Download

  • memory/2832-49-0x0000000003820000-0x0000000003919000-memory.dmp

    Filesize

    996KB

    Download

  • memory/2832-50-0x0000000003820000-0x0000000003919000-memory.dmp

    Filesize

    996KB

    Download

  • memory/3124-1-0x0000000002E30000-0x0000000002E46000-memory.dmp

    Filesize

    88KB

    Download