Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    16-02-2024 04:27

General

  • Target

    4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300.exe

  • Size

    288KB

  • MD5

    e88da5d3f528d78eabc2de83797c2195

  • SHA1

    7937c0b3fac48fa50aa74e80387a6ff6f463c978

  • SHA256

    4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300

  • SHA512

    4dfb673cfab033d7d40ef383ef36841d3c8fd1a1f2c80bfd05c896aa3d9c38c08301d89e4543e9b300a44787c9a57a13e34654f5374d6788c1e56e37c69be9a9

  • SSDEEP

    3072:OziRfFi3WzI2OfoyFIUVvBmAx0H3q0eJ5cLw5p0s0hQUxaIa2VM:/RfFDG3FJVvtyeJ5JKQUxaIh

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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 44 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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\4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300.exe
    "C:\Users\Admin\AppData\Local\Temp\4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1772
  • C:\Users\Admin\AppData\Local\Temp\7668.exe
    C:\Users\Admin\AppData\Local\Temp\7668.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2472
      • 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
        3⤵
        • Creates scheduled task(s)
        PID:2516
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1908
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1908 -s 308
            5⤵
            • Loads dropped DLL
            PID:1688
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2080
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2284
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2284 -s 308
            5⤵
            • Loads dropped DLL
            PID:2988
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:480
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:692
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:1592
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2024
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2272
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 692 -s 308
    1⤵
    • Loads dropped DLL
    PID:936
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {9CB2A9A6-7D71-463F-9F3A-5208CCC5E9E3} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:312
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2604
    • C:\Users\Admin\AppData\Roaming\ewgvvug
      C:\Users\Admin\AppData\Roaming\ewgvvug
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\248906074286

    Filesize

    65KB

    MD5

    2532f33b5213982f3a2195bd4dfdfcd9

    SHA1

    5b30c24994726ef2258c1c48cc27fc5c1edd7f30

    SHA256

    c564e73adb96add3824715e92224bee4c7a7eb7e41c09f37f01dbe6eae0c65a6

    SHA512

    be670110f7540f1f628b5a70ab6d494b0d4d44bc1986a69ea6477769b6e03f330eb9dc950355863fb047d8aebaea3c1acc8c81ccc013c752d835affccac21424

  • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe

    Filesize

    240KB

    MD5

    444c85d855c718c2c26ead27d0233b40

    SHA1

    6e4841ff426ddbce06f0864520bc3a5e24fadeb5

    SHA256

    273d9593822af78e4dd486fcefb2d664dd4ea2dc766534f0329b91483bdcada9

    SHA512

    b90d815124795d85c77198e1d5f40656012acfa5e4eb0089013f6d68010ce24bd51d360d21662808b52059bacb47fbb19550b14e0d77825b0465255578f1cf6b

  • C:\Users\Admin\AppData\Local\Temp\7668.exe

    Filesize

    384KB

    MD5

    e1dc6f36bc9f047f33b58c8c0fc2da89

    SHA1

    cf6dfe8eaa32971eb53f02d0dc7c8ac299968880

    SHA256

    6f861ffc77ac6529a50211ae09d7bbdf27b97b73e17f9c4cdb397e39dc85a767

    SHA512

    6387d154ca10f44aa3abb8ef9b653c99b7fa583d152ef51b5091fccce085c6459ecc799f0491e8e3fe197f8bcd30af2d6c8fae3973311b05930fd444be962f92

  • 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\ewgvvug

    Filesize

    288KB

    MD5

    e88da5d3f528d78eabc2de83797c2195

    SHA1

    7937c0b3fac48fa50aa74e80387a6ff6f463c978

    SHA256

    4b06c62c07429d0bbc7f9126a18c2e959e5c52c09236dbfb5b16a09390f0a300

    SHA512

    4dfb673cfab033d7d40ef383ef36841d3c8fd1a1f2c80bfd05c896aa3d9c38c08301d89e4543e9b300a44787c9a57a13e34654f5374d6788c1e56e37c69be9a9

  • \Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe

    Filesize

    269KB

    MD5

    09d5a2daa014b5d40e7ce7154c0b8cd8

    SHA1

    f4d330c8fe5018f2c327b9118594dace43fc86a1

    SHA256

    4b977e5546e773765fc8c528fae74a96ac6a380b1c7129df0ae8b119c539467a

    SHA512

    30b6f46f02839174b846c351c0e8638fd0a60ca78d3e482ec185c195762863819b8144904b8687dbf86767521b4775563cb3eb117380550181ffe0cb35e15700

  • memory/1204-143-0x0000000002EC0000-0x0000000002ED6000-memory.dmp

    Filesize

    88KB

  • memory/1204-4-0x0000000002E00000-0x0000000002E16000-memory.dmp

    Filesize

    88KB

  • memory/1772-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/1772-5-0x0000000000400000-0x0000000002BF5000-memory.dmp

    Filesize

    40.0MB

  • memory/1772-3-0x0000000000400000-0x0000000002BF5000-memory.dmp

    Filesize

    40.0MB

  • memory/1772-1-0x0000000002CB0000-0x0000000002DB0000-memory.dmp

    Filesize

    1024KB

  • memory/2044-96-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2044-97-0x00000000005F2000-0x000000000062D000-memory.dmp

    Filesize

    236KB

  • memory/2472-112-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-38-0x0000000000280000-0x00000000002EF000-memory.dmp

    Filesize

    444KB

  • memory/2472-130-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-49-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-37-0x00000000008E0000-0x00000000009E0000-memory.dmp

    Filesize

    1024KB

  • memory/2472-70-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-71-0x00000000008E0000-0x00000000009E0000-memory.dmp

    Filesize

    1024KB

  • memory/2472-82-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-93-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-122-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-117-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2472-39-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2604-137-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2604-138-0x0000000000500000-0x0000000000600000-memory.dmp

    Filesize

    1024KB

  • memory/2616-140-0x0000000002D20000-0x0000000002E20000-memory.dmp

    Filesize

    1024KB

  • memory/2616-141-0x0000000000400000-0x0000000002BF5000-memory.dmp

    Filesize

    40.0MB

  • memory/2616-144-0x0000000000400000-0x0000000002BF5000-memory.dmp

    Filesize

    40.0MB

  • memory/3016-21-0x0000000000510000-0x0000000000511000-memory.dmp

    Filesize

    4KB

  • memory/3016-19-0x0000000000340000-0x00000000003AF000-memory.dmp

    Filesize

    444KB

  • memory/3016-18-0x0000000000590000-0x0000000000690000-memory.dmp

    Filesize

    1024KB

  • memory/3016-36-0x0000000000590000-0x0000000000690000-memory.dmp

    Filesize

    1024KB

  • memory/3016-20-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/3016-34-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB