Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2024 18:25

General

  • Target

    22271a5e0eb009b9c2f9526bc065037cf4b4a04fa5ab1b0c557cc3e50a67ff21.exe

  • Size

    217KB

  • MD5

    34d6101588b61ba8e9b4d0c536ecd77c

  • SHA1

    91e70f4960d0fcd1c6af828dfaedc3f705ebc773

  • SHA256

    22271a5e0eb009b9c2f9526bc065037cf4b4a04fa5ab1b0c557cc3e50a67ff21

  • SHA512

    79dd27db42e58f79353b4f3396d8f5b7a286b99a9b5223671bf4fe5c653a9d9bbbe792f1307d0c1002c1e44e7dfdb218d0ccab06f5e3df7cafb042572546c2c7

  • SSDEEP

    3072:iH2KZ8t0X6rJrqodM+dxv1G086+6jP00ztLR5HVFUjWjJkp:iHfZ8S+RHHv1GT+P0eVR5HYjWjm

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 4 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 3 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22271a5e0eb009b9c2f9526bc065037cf4b4a04fa5ab1b0c557cc3e50a67ff21.exe
    "C:\Users\Admin\AppData\Local\Temp\22271a5e0eb009b9c2f9526bc065037cf4b4a04fa5ab1b0c557cc3e50a67ff21.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2436
  • C:\Users\Admin\AppData\Local\Temp\12A6.exe
    C:\Users\Admin\AppData\Local\Temp\12A6.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2920
    • 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:2516
      • 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:1392
      • 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:2932
        • 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:2224
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2224 -s 312
            5⤵
            • Loads dropped DLL
            PID:2100
      • 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:3068
        • 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:2368
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2368 -s 312
            5⤵
            • Loads dropped DLL
            PID:1448
      • 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:1108
        • 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:1776
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 1776 -s 312
            5⤵
            • Loads dropped DLL
            PID:2524
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:932
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:684
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2304
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B99603D9-DA70-4C6B-B2FC-A8967C13E0A8} S-1-5-21-3427588347-1492276948-3422228430-1000:QVMRJQQO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:1524
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\12A6.exe

    Filesize

    395KB

    MD5

    1e42a52c9909dd21636bba1b0f00f8e8

    SHA1

    93f8c29dd3b615a97ef35b5bb3d5523bfe21d613

    SHA256

    0747f384a5cf12ae118c194c48a59dc7dcbb23c75b9d7d43b1cb03be8c711719

    SHA512

    400451711cf3ce5f756f63008a4461271f86faeeaa0dcfbc24caacb98f5aef7c61d897038f38f58b770d95ffc420da2fb686b8934eb573c13ce11910c6f7cf40

  • C:\Users\Admin\AppData\Local\Temp\427588347149

    Filesize

    66KB

    MD5

    3a2b89978a59b63e3bad5bff1e54ec5e

    SHA1

    a7654dbf25c6da379995fb11d252bcb6a0ca86ee

    SHA256

    3f9701249b389d15f2d1ca4ab29265e5a76bcbb5d9779c03e081676d571e3416

    SHA512

    34f7c27853f2beb38eeddd8c255f8f7da698da697c5606af89710c43347c9017e16dc2f94327e665bb41ef29bcd7216b4b3ce97af711890510958f85c4439f13

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

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • 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

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

    Filesize

    64KB

    MD5

    b804eeb2110d84f6e6f864ef575f7a1d

    SHA1

    82c41d00f257d84560dee6b1b506e775bf6788f4

    SHA256

    3fa2efe45129d32341057799493740157b91644aad7253d2f83b6b7db3237906

    SHA512

    e2d7c828551bd83f7ee3b490f7598898589e9eb2ed4a8366930fddb188d3884337e6c85d9ae54f587fa72b38456cac75892c5dcb11bb3c3e0964929dea69cb8b

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

    Filesize

    980KB

    MD5

    b43b1c8b93d014610db08b741779ef09

    SHA1

    00d6617d8e5918931772e86f5a958eca664780fc

    SHA256

    8255c51b1d428c846f5a7438beccaee2f56aca5d2918535867644db86eb2eb25

    SHA512

    dead0c97171a3cd9708980fc00cc7a733ed757e24f3b2c7df2f1decae0a16f14ec33ac453ac4205795e559b559e0e72b36e4d336adb0c2b85a2c3a3e3db72afe

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

    Filesize

    896KB

    MD5

    455600bca133c228b9480e56b4b5e681

    SHA1

    0ed599c0c25d5b16ad63b46ad43b1813723f17c6

    SHA256

    97a9e1a7d61804b9e5695fc48197cb638639e8dcdb558194f8908d175a911429

    SHA512

    909dc971dc82d9af1016bf70922823f27d085035d66106d802c203052155dd8bd67f80293c5ef83b9a9945c7a41e48ee7fb6797b5fe682335d1e8cf17ef081d6

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

    Filesize

    620KB

    MD5

    9a3d12357fc28282f982b8ed97307444

    SHA1

    dfc36e165debb7f540bfe841e31a94b195fe7446

    SHA256

    7a635ee120ae682816899f7abb51f9fae166d44720b5f79fa937a451a022ebed

    SHA512

    d6882f92d09535c542a3ffff631fe52d6a50897b88ba5dc5b5ef45300ded06685b60f62a69b34d184be90831fcb17bb0e6867233ce207cf7a36d4db7cf3a9a51

  • memory/1384-4-0x00000000025E0000-0x00000000025F6000-memory.dmp

    Filesize

    88KB

  • memory/1524-96-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/1524-49-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/1524-48-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2064-131-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/2064-130-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2064-139-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2436-8-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/2436-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

  • memory/2436-5-0x0000000000400000-0x0000000002BE4000-memory.dmp

    Filesize

    39.9MB

  • memory/2436-3-0x0000000000400000-0x0000000002BE4000-memory.dmp

    Filesize

    39.9MB

  • memory/2436-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/2516-83-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-97-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-54-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-40-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-137-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-39-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

    Filesize

    1024KB

  • memory/2516-37-0x0000000000300000-0x000000000036F000-memory.dmp

    Filesize

    444KB

  • memory/2516-84-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

    Filesize

    1024KB

  • memory/2516-132-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-62-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-108-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2516-123-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2920-27-0x0000000002C60000-0x0000000002C61000-memory.dmp

    Filesize

    4KB

  • memory/2920-26-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2920-20-0x0000000000390000-0x00000000003FF000-memory.dmp

    Filesize

    444KB

  • memory/2920-35-0x0000000000400000-0x0000000002C10000-memory.dmp

    Filesize

    40.1MB

  • memory/2920-38-0x0000000002D70000-0x0000000002E70000-memory.dmp

    Filesize

    1024KB

  • memory/2920-19-0x0000000002D70000-0x0000000002E70000-memory.dmp

    Filesize

    1024KB