Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 40 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 4 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 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

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:2452
  • C:\Users\Admin\AppData\Local\Temp\EC90.exe
    C:\Users\Admin\AppData\Local\Temp\EC90.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Local\Temp\EC90.exe
      C:\Users\Admin\AppData\Local\Temp\EC90.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2960
        • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
          "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1584
          • 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:1988
          • 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:2284
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
              6⤵
              • Loads dropped DLL
              PID:1636
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 1636 -s 312
                7⤵
                • Loads dropped DLL
                PID:292
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
            5⤵
            • Loads dropped DLL
            PID:1768
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
              6⤵
              • Loads dropped DLL
              PID:1888
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 1888 -s 312
                7⤵
                • Loads dropped DLL
                PID:1580
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
            5⤵
            • Loads dropped DLL
            PID:2016
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
              6⤵
              • Loads dropped DLL
              PID:2024
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 2024 -s 312
                7⤵
                • Loads dropped DLL
                PID:2416
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
            5⤵
            • Loads dropped DLL
            PID:2584
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {668818FA-664B-4766-B17C-E0366DEFEAD2} S-1-5-21-452311807-3713411997-1028535425-1000:OZEMQECW\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        3⤵
        • Executes dropped EXE
        PID:1104
    • C:\Users\Admin\AppData\Roaming\brviahd
      C:\Users\Admin\AppData\Roaming\brviahd
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1776
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      PID:2156
      • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
        3⤵
        • Executes dropped EXE
        PID:1892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\523118073713

    Filesize

    61KB

    MD5

    14aa3ccb9e2e31ffad36609cf0fb763a

    SHA1

    0fbb6b359ab20686138ca931169e828154521587

    SHA256

    ee7310972e1b398dafbf8e98f6a3cf4d20918668e07b85ccea7fceaa71d18e92

    SHA512

    da91601646702dfe6aa24e3d98395dadbf52003a3f690da8651085e97699181cbef00ab6a630e8db27fb02740a3ff5722f59548e78f1d606b461036e28041115

  • C:\Users\Admin\AppData\Local\Temp\EC90.exe

    Filesize

    389KB

    MD5

    bfb5ddcb6390a75513f57e8e6741683d

    SHA1

    32616bc90620c42d831a5561997d4c357823e561

    SHA256

    a4b90e49aed58d08aebd377c832aafd35faa77cbec6c5c50bc998a2408eecb3a

    SHA512

    5a603c56a9ba1457df3636e42bb5c5c45d7b5087541ddff7bf422942daa6f8267420e527cfd8a2204efe2e66af0c4ef64a45a6851d8bc6aca3ef150927a8dca6

  • 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\2eed656dd58e95\cred64.dll

    Filesize

    1.1MB

    MD5

    add94ea6485ea5080fcd9563cae51db2

    SHA1

    c1bb7ff7b0e239b584bd17cdad6901795f08e703

    SHA256

    a7821448e98c35df534ade07d5a53f20c3b3049a13bdd31a54b3916aaff74e27

    SHA512

    c7ba6cc1966aa71ea88b399d12aa4cd879353a15d0bf734fafc7c3c85ce223fcd51e193cd6d2d1ed5702b1a7bb77acb4d586d5fa783f48e90b142a33eff26faf

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

    Filesize

    209KB

    MD5

    1bbb36353f9be7af566534cd0b0dcba5

    SHA1

    00dcdcc08f6dbad9b00b35f64e238afbfd2ee746

    SHA256

    9c8871d1ee30f4310ac792b9d29e0f8e5b8a70a1409d459f6573b3ddd2c7615c

    SHA512

    6902911d8440f1462baa083261ddb497d60d553f89de3c06eb1a16ec344f56762d3cc9d75b09dca764b2dab0a4edea8d3b9b4f5e7eac7eb5e39d211c7f95110a

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

    Filesize

    960KB

    MD5

    16df68cd6173e5d055ba7297f1bcdee6

    SHA1

    bfc8878803a38db72870a890fe0898a7bcb15c34

    SHA256

    a1e631d3d2b6d0bfcdca37cf560bd00c2a364bd8a14fafcc0cac04fa1eb6cc67

    SHA512

    c3801a570c6fc2150210cc85df8fadabd80b2cfee7bc24a7f8207ca07103be785956750da521a67c0493ca468ac6b1af80b9680570f5bd6bc21fc0eda9e7de3f

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

    Filesize

    896KB

    MD5

    642e888509ee8f1b6649a9e253bc01e5

    SHA1

    86d25b84c6eb2f085c6710f31156a8599b1c86f5

    SHA256

    6b535d72da5d408105380666c610b5c18aefd5c88f160580068a9e9435d4c53c

    SHA512

    65f3c555918208452a98643bab177b84b6e3b91bf64dc25978d61ad830ac5655bcf46cb929dce909b17159f8f214f61e74ac4903c48890e9ada2edc15366c637

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

    Filesize

    789KB

    MD5

    ff9aa175b4b77b10d43c77e7ce8d5b37

    SHA1

    dfd3d756923dc850cad6427cf230cec80e1a1647

    SHA256

    791a2f15f10894ab1db23574ef7549e7d403206164e8d5c657dc590e045e404d

    SHA512

    fffc1892db180bbae4c7df6cf56bdeb9c53b398cb6e335c37fc58c0083f06ddd54b020dc18b0ac8c00b04d2cb6f426435c29003033f651cdeea5f80451398bd6

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

    Filesize

    768KB

    MD5

    1137bb03ae308656ce5a7d6dc3e44a62

    SHA1

    8495e66bb8ab43225bedc2b016de16b970f04ddf

    SHA256

    e904a49bc1530bb7395e69f8c713b3276e91b2cca10e7ff30003f87b82d9e559

    SHA512

    c5ec27e9a1e6abd820e49c135409698a8007cde19bc49e613c8a86294a6a2749c37d027f7b60523d073ed1efc39024be96140c25adf9cbe7b1420ce66cb94345

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

    Filesize

    64KB

    MD5

    15d9b810b01a0a4cbe660ff3b667f9b0

    SHA1

    4300edafb30fd52f76134956338f5d943119b386

    SHA256

    25d0923b76df4795f9057e29a9e076ef314d5e46ef7b000df4931c23cdd92b2e

    SHA512

    dca44f8460c51358449144a9c52742c6cc752b064ad22769a390b25db11dccb13caa50358c3509db01c1ae7be5646d07de7f5a777f7adca716d34d0ac8d700e5

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

    Filesize

    173KB

    MD5

    f7d5570210040d50bc30fa58f5aa2fe4

    SHA1

    400b7462f2acfba2ae9d50818b4119d698cd91ae

    SHA256

    069fcd9de9967b349ea4898b7977ebfff9b857c28f3f299a398a8489b6d0b6cf

    SHA512

    5479eb5b4e2e072393645bf2f89d7c682fa0d6698ed891c025f0cf8fc7bdab5970ad628de2ddfaa8431e3a09b4f34218a3c6ab6240250ae15269a2c9c65983c0

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

    Filesize

    128KB

    MD5

    c502c6201c4f93f3954978e850bc300e

    SHA1

    568fae8484e92a3c7df771a1368359890ecdeadf

    SHA256

    3fab7b1af00cf5e4b8d6dbaad33377fa706d69f377bc5ad8c18f492051c65d51

    SHA512

    64b275a34db90b84dd14d6b56e3a8d361b335658c09ac22bb58865da9d555f31094142ffd7838246a6f78f1879f0ab2d8d785933deb483238c874de9c0f09841

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

    Filesize

    98KB

    MD5

    fab84bd3014cc7fc627d1db4b34e1b9d

    SHA1

    b11c4598da8bd734656e89933c99a56bba17e01b

    SHA256

    bea964e9c0e30ec3870520dcc2d7abae12dafcb73ee9fa588d6d94e581251a41

    SHA512

    c87ba7c7c928b942ae85d31f5215b35f4f01f0a3c92b23aa63a9d3ceb7356bef61f165cb7825352c847aea83407b54b24f5d7f0c22bb130ec2615f5a2ad0a51b

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

    Filesize

    809KB

    MD5

    a464bd7c7530c9830024c9e86d9a5a29

    SHA1

    5125f134a83e7c80c2403724eb05309c026d6a86

    SHA256

    79373bf2fef857cddea968317471354a9520e2f39b28ecabb8a6c4048c00e822

    SHA512

    504b5c7e6177c5676ac7c1f102a12fdcc779db8ff7ce0c5b13f6741d40c04e0191ee6b8529b5386c2eb49f46110a16bf0c8371560c2509cabd3b4a83d7c5560c

  • memory/1104-90-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1260-4-0x0000000002B80000-0x0000000002B96000-memory.dmp

    Filesize

    88KB

  • memory/1260-92-0x0000000003960000-0x0000000003976000-memory.dmp

    Filesize

    88KB

  • memory/1528-81-0x0000000000940000-0x0000000000A40000-memory.dmp

    Filesize

    1024KB

  • memory/1584-96-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1584-71-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1584-146-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1584-54-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1584-53-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1584-52-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1584-124-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1584-157-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1776-82-0x00000000008C0000-0x00000000009C0000-memory.dmp

    Filesize

    1024KB

  • memory/1776-83-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/1776-93-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/1892-134-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2156-127-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2452-1-0x0000000000950000-0x0000000000A50000-memory.dmp

    Filesize

    1024KB

  • memory/2452-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2452-3-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/2452-5-0x0000000000400000-0x000000000082A000-memory.dmp

    Filesize

    4.2MB

  • memory/2572-23-0x00000000002D0000-0x000000000033F000-memory.dmp

    Filesize

    444KB

  • memory/2572-21-0x0000000000900000-0x0000000000A00000-memory.dmp

    Filesize

    1024KB

  • memory/2696-41-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2696-24-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2696-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2696-27-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2696-28-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2696-29-0x0000000001F70000-0x0000000001F71000-memory.dmp

    Filesize

    4KB

  • memory/2960-47-0x0000000000960000-0x0000000000A60000-memory.dmp

    Filesize

    1024KB