Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-02-2024 03:18

General

  • Target

    9c8871d1ee30f4310ac792b9d29e0f8e5b8a70a1409d459f6573b3ddd2c7615c.exe

  • Size

    209KB

  • MD5

    1bbb36353f9be7af566534cd0b0dcba5

  • SHA1

    00dcdcc08f6dbad9b00b35f64e238afbfd2ee746

  • SHA256

    9c8871d1ee30f4310ac792b9d29e0f8e5b8a70a1409d459f6573b3ddd2c7615c

  • SHA512

    6902911d8440f1462baa083261ddb497d60d553f89de3c06eb1a16ec344f56762d3cc9d75b09dca764b2dab0a4edea8d3b9b4f5e7eac7eb5e39d211c7f95110a

  • SSDEEP

    3072:v3b3i7GYFGoonj7oJaS30pLSWmsqKsdoDpVh3YTVxmsoPgfJ:vLSjDmYqpeJsqrdoD1AVIspf

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

4.14

C2

http://anfesq.com

http://cbinr.com

http://rimakc.ru

Attributes
  • install_dir

    68fd3d7ade

  • install_file

    Utsysc.exe

  • strings_key

    27ec7fd6f50f63b8af0c1d3deefcc8fe

  • url_paths

    /forum/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c8871d1ee30f4310ac792b9d29e0f8e5b8a70a1409d459f6573b3ddd2c7615c.exe
    "C:\Users\Admin\AppData\Local\Temp\9c8871d1ee30f4310ac792b9d29e0f8e5b8a70a1409d459f6573b3ddd2c7615c.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3012
  • C:\Users\Admin\AppData\Local\Temp\460D.exe
    C:\Users\Admin\AppData\Local\Temp\460D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Users\Admin\AppData\Local\Temp\460D.exe
      C:\Users\Admin\AppData\Local\Temp\460D.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3516
        • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
          "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4436
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN Utsysc.exe /TR "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe" /F
            5⤵
            • Creates scheduled task(s)
            PID:3932
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:4352
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
              6⤵
              • Loads dropped DLL
              PID:4408
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:4940
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
              6⤵
              • Loads dropped DLL
              PID:4624
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:848
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
              6⤵
              • Loads dropped DLL
              PID:4736
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
            5⤵
            • Loads dropped DLL
            PID:1844
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
            5⤵
            • Loads dropped DLL
            PID:3592
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
            5⤵
            • Loads dropped DLL
            PID:992
  • C:\Users\Admin\AppData\Roaming\wrrjccb
    C:\Users\Admin\AppData\Roaming\wrrjccb
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4488
  • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
    C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\460D.exe

    Filesize

    389KB

    MD5

    bfb5ddcb6390a75513f57e8e6741683d

    SHA1

    32616bc90620c42d831a5561997d4c357823e561

    SHA256

    a4b90e49aed58d08aebd377c832aafd35faa77cbec6c5c50bc998a2408eecb3a

    SHA512

    5a603c56a9ba1457df3636e42bb5c5c45d7b5087541ddff7bf422942daa6f8267420e527cfd8a2204efe2e66af0c4ef64a45a6851d8bc6aca3ef150927a8dca6

  • C:\Users\Admin\AppData\Local\Temp\969412972279

    Filesize

    83KB

    MD5

    94a2e7bb1774f72c59677fe503102cac

    SHA1

    7bb79ef18f89229e114b359bf3034614f911e8f3

    SHA256

    101ec5f41b1704c1adb7d78f933b5f0eb2c0baed357cdc03adecdcb4ea372499

    SHA512

    37ab5e4925000cafe8677d566cc030cbc2fda0d8e8713c1e3a83c80048e7c08d79bede3823e5cb15b7f3c99b352f42318f97ac7ab17b1a99329305db4b7032ab

  • C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll

    Filesize

    102KB

    MD5

    4194e9b8b694b1e9b672c36f0d868e32

    SHA1

    252f27fe313c7bf8e9f36aef0c7b676383872efb

    SHA256

    97e342fb4dbfe474ab2674682a816931bb9f56814bf13b20ff11ac1939775125

    SHA512

    f956acdec4c0255030f784d27210d59e30c3377e0a5abec915818bde8545afc3ef04a06395a2bfa5946f86cdf1088c9089bfc5064d9fd71b8137eae14f64e5c7

  • C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll

    Filesize

    1.1MB

    MD5

    f01f5bc76b9596e0cfeab8a272cba3a5

    SHA1

    19cab1291e4e518ae636f2fb3d41567e4e6e4722

    SHA256

    83ef6d2414a5c0c9cb6cfe502cb40cdda5c425ee7408a4075e32891f4599d938

    SHA512

    ccfa16f0bbcdb909446fc4d47c1732e0b1baa759d78866fcce9ac7c5c12f1299e74df03b23881f3e37627b358bc6ddd2941c9110e030f6d68dd79f67c9e39f63

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

    Filesize

    209KB

    MD5

    1bbb36353f9be7af566534cd0b0dcba5

    SHA1

    00dcdcc08f6dbad9b00b35f64e238afbfd2ee746

    SHA256

    9c8871d1ee30f4310ac792b9d29e0f8e5b8a70a1409d459f6573b3ddd2c7615c

    SHA512

    6902911d8440f1462baa083261ddb497d60d553f89de3c06eb1a16ec344f56762d3cc9d75b09dca764b2dab0a4edea8d3b9b4f5e7eac7eb5e39d211c7f95110a

  • memory/556-117-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/556-114-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/556-115-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/556-116-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/876-111-0x0000000000A90000-0x0000000000B90000-memory.dmp

    Filesize

    1024KB

  • memory/1420-17-0x00000000009E0000-0x0000000000A4F000-memory.dmp

    Filesize

    444KB

  • memory/1420-16-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

    Filesize

    1024KB

  • memory/3012-5-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/3012-3-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/3012-1-0x0000000000970000-0x0000000000A70000-memory.dmp

    Filesize

    1024KB

  • memory/3012-2-0x0000000000900000-0x000000000090B000-memory.dmp

    Filesize

    44KB

  • memory/3516-43-0x0000000000890000-0x0000000000990000-memory.dmp

    Filesize

    1024KB

  • memory/3528-4-0x0000000002A10000-0x0000000002A26000-memory.dmp

    Filesize

    88KB

  • memory/3528-71-0x0000000004840000-0x0000000004856000-memory.dmp

    Filesize

    88KB

  • memory/4436-93-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-96-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-121-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-48-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-120-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-75-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-47-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-90-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-46-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-110-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4436-45-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4488-58-0x0000000000A00000-0x0000000000B00000-memory.dmp

    Filesize

    1024KB

  • memory/4488-74-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/4488-59-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/4744-37-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4744-22-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4744-21-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4744-20-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4744-18-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB