Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 05:58

General

  • Target

    eff8612cdca5d44379526dc7516585270fe29c50c98b499a51bb12fca1f0b1f4.exe

  • Size

    224KB

  • MD5

    d7f791f67fb593cf46c41bc7a87cc1fc

  • SHA1

    349315a72963954fcd91a9d3e5ef479935d32aea

  • SHA256

    eff8612cdca5d44379526dc7516585270fe29c50c98b499a51bb12fca1f0b1f4

  • SHA512

    d0079b7eec9dd5fe773f1347764d5e4eab433421411fa80cc8e7d7644afebe116c0a902722162b56476a5da718a03212291eab212aaeffb29f4a6740ceed97df

  • SSDEEP

    3072:vBcLODkfawj5E3qCOc6WBQf8bDcAJg3vXMMA5mWTW:MfalqRc6Az0FvvW

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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.

  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 11 IoCs
  • 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 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eff8612cdca5d44379526dc7516585270fe29c50c98b499a51bb12fca1f0b1f4.exe
    "C:\Users\Admin\AppData\Local\Temp\eff8612cdca5d44379526dc7516585270fe29c50c98b499a51bb12fca1f0b1f4.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2376
  • C:\Users\Admin\AppData\Local\Temp\867E.exe
    C:\Users\Admin\AppData\Local\Temp\867E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2264
    • 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:2788
      • 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:2984
      • 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:2060
        • 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:324
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 324 -s 308
            5⤵
            • Loads dropped DLL
            PID:784
      • 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:1444
      • 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:716
        • 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:2108
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 2108 -s 308
            5⤵
            • Loads dropped DLL
            PID:1004
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:1856
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:1744
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main
        3⤵
        • Loads dropped DLL
        PID:2352
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3033784D-60E4-431D-9098-3FA42E8634EA} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2368
    • C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2180
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2188 -s 308
    1⤵
    • Loads dropped DLL
    PID:1148
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\818056530936

          Filesize

          65KB

          MD5

          a31dad11e0cc975aeb33c67e52c31b16

          SHA1

          cc4904320df820c1046a58628f1515529588a575

          SHA256

          ed01a8dfcbb3c5bbfedcfe00b05337928c68d102997c2b499b87cf9de9b11c22

          SHA512

          5089b64b94fe5e65dd8b60dfe6961c795de7775ae9d1616810daee4d3933a6d84d7ce6ae4de8c2ff714e7d6f5275fe88003468f55461dda019012902156e9fb5

        • C:\Users\Admin\AppData\Local\Temp\867E.exe

          Filesize

          379KB

          MD5

          88676481d286872c8b4fa3c3b05cb876

          SHA1

          5d6229066aaa8fb0326ee31587a0ad5c8236d948

          SHA256

          8fac8e2bc0c4fe8d7c49a2123e8e2235d0d0f64f8ad646968e28141b68d07325

          SHA512

          63bf326abedc73cf3fa3a6d3bbda5f3303b226f51717dfc1272e278a681cbef03eda269dfc4fa22b6b1959221f1b341abcb9c9a444c662f2ed727fed20367362

        • 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\Roaming\2eed656dd58e95\cred64.dll

          Filesize

          1.1MB

          MD5

          fc7c7259c6ed737dedcf257fa4385e47

          SHA1

          d16bb7c7c91e7464acb96e11532d2ca4efdd6123

          SHA256

          cba06873f75c01e73e6069856087b0a05e0e85087ab71402795fb399298c6633

          SHA512

          d8c2cbb224a5c27188863dc9cfcaa533dbcc4640fff76ee2f8812c1bd7de908db03184dc974c094e7d0b7a5ee81e4bb60db27d2c1e12ab71ec72a5dedbab6a55

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

          Filesize

          1.0MB

          MD5

          2306a862c690be4beb6f7dbd78611704

          SHA1

          eca69ef78a0053ab59abba320651a64463ff7a0e

          SHA256

          92841b35da1189763d3b8f375ecf75ae0170c7a6ad693b73030acba8624ad7ec

          SHA512

          11db0274973ca467e5762a66d11e9b5b68991081c82805750e041d7ce4374c060df25ca8517b92c45c1e6f3d14c3477ff5c1f3911a75780f869d7ae171c13cba

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

          Filesize

          796KB

          MD5

          ecaf2921c2eb40333332b137273a6a36

          SHA1

          721385590e622f6d9cbe7e189b0bf806a448d849

          SHA256

          e0b52352861c91b077439cc8727308b0e81a610eafce597bd19895e0e0788603

          SHA512

          6c59c071f7d781ac198074b0ff465eac6f3fb4353629ef94e3559f09f64dd5c3dba5ff1f2f7011f2ec24e7c19946db7e5f1293602c653a1ad00a4e44ea14d87b

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

          Filesize

          728KB

          MD5

          6d8cb8c4f57ae5d142a53f77c96e35fd

          SHA1

          6b08571eb332bfaaf17ae1602cce6c4aef21ebfa

          SHA256

          4dcba91ad0c2a1730b2ded259c3448c8a3ccedc21b23f8a8c8ecbf858bd4ee21

          SHA512

          d482ab7ac455b5f1938aae60ddae5f36b382719ba366813c7062e2208fc5025cdd8ad5cd02796acc75f83b54f09a98e44a3adff8794f39330364700e472600d4

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

          Filesize

          581KB

          MD5

          0e90c0c8fadf7a369fa189d56f338489

          SHA1

          81ea948ac50b40d7d707af01c4ef4b527c0d801b

          SHA256

          fb74c5cbb1f43b1e7497a7478fe0ee9fab664d813e1cf415016d858053927753

          SHA512

          f1c543d4bb3aed5841f6cdf15a848168ed8f32b6776ba51f93af36bf30486ffde6274c5d9a0bc10bc19b726b23e74b42a5eb1b40c508a5a99048e15b80349ed8

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

          Filesize

          748KB

          MD5

          0efae59f5e74e9b14a4c52c953e98309

          SHA1

          39b69a0c69261c1541fcb03e3cd0a35288b14724

          SHA256

          4a102279ed73088ad298666eaae653d700fab10089f48e4d24e344098af06ae9

          SHA512

          bb0a18249aea9daf87b713be4269b81f46cb79e077b880fe54555c91f23e77487fc3af84acf9553ae6ade0995a043cc800c6403f31a225d3f57e083d20e399f7

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

          Filesize

          827KB

          MD5

          1faf8b0e819e3f2fe5d01e63697e88fa

          SHA1

          387151f633de290b7b5b957a8a798656fff9e2ed

          SHA256

          eede13fa6523b7d8f32aa2bc24b17c485eeb47ee2def27f1f6febd23a122ad17

          SHA512

          39dba2fe50ddc002bdb6e916dd25cf8650f47133b2bfc68a6ba6162774137b8b39a22cdfeb5c1e99f21d4450adb8f44e0491d75dd175ff5359822243dd130bd8

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

          Filesize

          545KB

          MD5

          488bfc67d9c25486cf168636e602c67c

          SHA1

          5e1e2946ba446221defd8a08764cb34233e22c40

          SHA256

          71a9899b6643012f1784c111d40871c572f0a20ac4c00ae3abcb0fc144c068d8

          SHA512

          5a583d131c57ca1b6aaf21411ee89b3eeb7f4818404c2280b8ea2a9357478b1926d8b95909c1fdaf631c20ef98d317b978ddcb40956d081c80a97a20e3f5f4af

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

          Filesize

          737KB

          MD5

          8d7bb958219b67f372bea875f9ccd8e3

          SHA1

          b19860530c9f7e7c88692e9f1c4f5bccd39843f0

          SHA256

          a8d9883efcd3e01313beac0e16c4dba7e869d9b8c742d7eb789233a93e0346bf

          SHA512

          2b0e7e5e167bfa662fc1624f0438919863e0fe728a1137efad018c9bfd046cca5a6388208461416f1383aae15a91b1117014e2a9382a4ab3a6e1cbcdeaa72d4e

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

          Filesize

          1.0MB

          MD5

          5b30196a90dc1526cbd5a3bbfe1e8f02

          SHA1

          71d47ddf2c06ed07133649d09176891ad1f51295

          SHA256

          8fb4980f6caf76a62336302a0b064a2c4e2159fa575b4fc0ef13f9b4a50151d1

          SHA512

          19bb3c29c36b849d582a665e0e6772faaf2044ab588dafee999e8a97ba3e9ca60aab2cbd2bb3c6708e69fa3c3b5a857a37d632a59cb545bbbd9a9d473ca9bc8e

        • memory/1076-4-0x0000000002F10000-0x0000000002F26000-memory.dmp

          Filesize

          88KB

        • memory/2180-131-0x0000000000544000-0x000000000057F000-memory.dmp

          Filesize

          236KB

        • memory/2180-130-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2264-34-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2264-20-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2264-21-0x0000000000570000-0x0000000000571000-memory.dmp

          Filesize

          4KB

        • memory/2264-35-0x0000000000580000-0x0000000000680000-memory.dmp

          Filesize

          1024KB

        • memory/2264-37-0x0000000000330000-0x000000000039F000-memory.dmp

          Filesize

          444KB

        • memory/2264-19-0x0000000000330000-0x000000000039F000-memory.dmp

          Filesize

          444KB

        • memory/2264-18-0x0000000000580000-0x0000000000680000-memory.dmp

          Filesize

          1024KB

        • memory/2368-57-0x0000000000334000-0x000000000036F000-memory.dmp

          Filesize

          236KB

        • memory/2368-96-0x0000000001C10000-0x0000000001C7F000-memory.dmp

          Filesize

          444KB

        • memory/2368-56-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2376-5-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2376-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

          Filesize

          1024KB

        • memory/2376-3-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2376-2-0x0000000000220000-0x000000000022B000-memory.dmp

          Filesize

          44KB

        • memory/2788-45-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-38-0x0000000000600000-0x0000000000700000-memory.dmp

          Filesize

          1024KB

        • memory/2788-39-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-95-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-84-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-107-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-63-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-122-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-62-0x0000000000600000-0x0000000000700000-memory.dmp

          Filesize

          1024KB

        • memory/2788-61-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/2788-136-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB