Analysis

  • max time kernel
    158s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30-08-2021 06:35

General

  • Target

    70d323a19c27af9c38bbda35359fd92f.exe

  • Size

    213KB

  • MD5

    70d323a19c27af9c38bbda35359fd92f

  • SHA1

    f89b2639344b438d9f20d9f6c88ec7333e9d6060

  • SHA256

    c85c4e2e3f1e39dadeef2a82c4faafe45fb5098236b62d9c821b91c915b66ebb

  • SHA512

    4e8a40d47d0253ef5f4e9676a925b27e5d7bda11b44a68404e0f4ceee69fc6647be8d38f9066ccb7e04b1cf6f352f6d702a55624a6732dbfd11858b3521bb8d3

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70d323a19c27af9c38bbda35359fd92f.exe
    "C:\Users\Admin\AppData\Local\Temp\70d323a19c27af9c38bbda35359fd92f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Users\Admin\AppData\Local\Temp\70d323a19c27af9c38bbda35359fd92f.exe
      "C:\Users\Admin\AppData\Local\Temp\70d323a19c27af9c38bbda35359fd92f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2044
  • C:\Users\Admin\AppData\Local\Temp\58BA.exe
    C:\Users\Admin\AppData\Local\Temp\58BA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:892
  • C:\Users\Admin\AppData\Local\Temp\5D2E.exe
    C:\Users\Admin\AppData\Local\Temp\5D2E.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1168
  • C:\Users\Admin\AppData\Local\Temp\B34A.exe
    C:\Users\Admin\AppData\Local\Temp\B34A.exe
    1⤵
    • Executes dropped EXE
    PID:1040
  • C:\Users\Admin\AppData\Local\Temp\B7DD.exe
    C:\Users\Admin\AppData\Local\Temp\B7DD.exe
    1⤵
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:784
  • C:\Users\Admin\AppData\Local\Temp\B935.exe
    C:\Users\Admin\AppData\Local\Temp\B935.exe
    1⤵
    • Executes dropped EXE
    PID:1604
  • C:\Users\Admin\AppData\Local\Temp\BA01.exe
    C:\Users\Admin\AppData\Local\Temp\BA01.exe
    1⤵
    • Executes dropped EXE
    PID:1308
  • C:\Users\Admin\AppData\Local\Temp\BCC0.exe
    C:\Users\Admin\AppData\Local\Temp\BCC0.exe
    1⤵
      PID:1524
    • C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      1⤵
        PID:1364

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\58BA.exe

        MD5

        a69e12607d01237460808fa1709e5e86

        SHA1

        4a12f82aee1c90e70cdf6be863ce1a749c8ae411

        SHA256

        188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc

        SHA512

        7533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284

      • C:\Users\Admin\AppData\Local\Temp\5D2E.exe

        MD5

        4705cd54ff9454c78be18f8705515c4b

        SHA1

        810de86f01354f0c635a051f5bd69c57b201329f

        SHA256

        fb2737e74e0da1b918f0af35ac05d9906ea73b86eac21d69a476ba6770825a1c

        SHA512

        1e2391d3effadaaf892dc8f2c1967685560273442ee09e8ef021d14eb29ae06ec627368f168edc1268af9a1ab0c47da003a8cf7cecc990f73329ed0b5890be41

      • C:\Users\Admin\AppData\Local\Temp\B34A.exe

        MD5

        cd9841fd759299a5fd2e4536fd40c378

        SHA1

        63c2b77f595e6a49bcbfc7f1f076721d5265fb7a

        SHA256

        7cf5279923daf2aeec6ed6869d75088fdf63449838db99d6440118feb8360293

        SHA512

        27b9dfa933c4d606b9edd64220cab14601d5e37f16c6d9a93fdc9cf8019baaa96d4c66777ef9120af934e0d50fa7cf7b400db05028cc40ae74c2a09d9a99b20f

      • C:\Users\Admin\AppData\Local\Temp\B34A.exe

        MD5

        cd9841fd759299a5fd2e4536fd40c378

        SHA1

        63c2b77f595e6a49bcbfc7f1f076721d5265fb7a

        SHA256

        7cf5279923daf2aeec6ed6869d75088fdf63449838db99d6440118feb8360293

        SHA512

        27b9dfa933c4d606b9edd64220cab14601d5e37f16c6d9a93fdc9cf8019baaa96d4c66777ef9120af934e0d50fa7cf7b400db05028cc40ae74c2a09d9a99b20f

      • C:\Users\Admin\AppData\Local\Temp\B7DD.exe

        MD5

        806689ecc2e7a890973f26c7481d43d4

        SHA1

        73f7f3f3dff4e286f1c09f3130bbe9030d738fa9

        SHA256

        40472a639bc3d05dbcc5879cbb1d9a03bb809a69e73a732d80f8818617ccfc1a

        SHA512

        e54434b7568c732c0c5b0d0dc61b8a6f17aed5f204aa4a9a454f01f8e08a37a76785ed283c5e3ab61775eaf62f8f3eac192f240c69cd537c0db473e15be11037

      • C:\Users\Admin\AppData\Local\Temp\B935.exe

        MD5

        6a2d7f7373c59ff8be992d223b17f97f

        SHA1

        e4bfe1e9fdb7560968da08e1dfe6ed8005a97223

        SHA256

        3b8cef83d5f3b667281c3c8512b2e21d06e34a3fe7952d171854a36f557f80a9

        SHA512

        f8719c97f97ceb16ce63b832bd393edb3ef87d8d7aac1d975243cd4aac62e2775eae2b1fd2d0314348144c1b38d19b31222f70c33fdd3133a483e9392d2de0c6

      • C:\Users\Admin\AppData\Local\Temp\B935.exe

        MD5

        6a2d7f7373c59ff8be992d223b17f97f

        SHA1

        e4bfe1e9fdb7560968da08e1dfe6ed8005a97223

        SHA256

        3b8cef83d5f3b667281c3c8512b2e21d06e34a3fe7952d171854a36f557f80a9

        SHA512

        f8719c97f97ceb16ce63b832bd393edb3ef87d8d7aac1d975243cd4aac62e2775eae2b1fd2d0314348144c1b38d19b31222f70c33fdd3133a483e9392d2de0c6

      • C:\Users\Admin\AppData\Local\Temp\BA01.exe

        MD5

        e99afcbb149ba6dfbdd90c034b88fe73

        SHA1

        be974111ad0a8f3870d09706ea07b5438f418798

        SHA256

        924b9935b1f2be85aa36e0158f0a55c1200cdf9046077a5b491f1aeb034c2353

        SHA512

        bf8b1f544ab9e689068f94b7ee5cfbe304b3756308d022be2e487216dd01aed0fcc2ac76e5d6b4c2f434a1125a88d5c71a2ecdafdb7bddd82447e77601c6b4a9

      • C:\Users\Admin\AppData\Local\Temp\BCC0.exe

        MD5

        ccfcf7fa84e5838538da393df52baf2e

        SHA1

        a690a0e2f4e5ad9d8d1d7ded356bf7a7fa86dafa

        SHA256

        425b892332e57b40d409595fdb88cb9458c7dbb6e7ccda48d0d64ef3cf70cbe6

        SHA512

        9279d657936ffb7ccbe8733f112ad3d4f054592ca59fb32b034d1598e112c084fff29dfece9a79ef124d6361e7cb8d38766b6818efe39e50a3b0d7b068162efe

      • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\freebl3.dll

        MD5

        60acd24430204ad2dc7f148b8cfe9bdc

        SHA1

        989f377b9117d7cb21cbe92a4117f88f9c7693d9

        SHA256

        9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

        SHA512

        626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

      • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\mozglue.dll

        MD5

        eae9273f8cdcf9321c6c37c244773139

        SHA1

        8378e2a2f3635574c106eea8419b5eb00b8489b0

        SHA256

        a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc

        SHA512

        06e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097

      • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\msvcp140.dll

        MD5

        109f0f02fd37c84bfc7508d4227d7ed5

        SHA1

        ef7420141bb15ac334d3964082361a460bfdb975

        SHA256

        334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

        SHA512

        46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

      • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\nss3.dll

        MD5

        02cc7b8ee30056d5912de54f1bdfc219

        SHA1

        a6923da95705fb81e368ae48f93d28522ef552fb

        SHA256

        1989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5

        SHA512

        0d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5

      • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\softokn3.dll

        MD5

        4e8df049f3459fa94ab6ad387f3561ac

        SHA1

        06ed392bc29ad9d5fc05ee254c2625fd65925114

        SHA256

        25a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871

        SHA512

        3dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6

      • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\vcruntime140.dll

        MD5

        7587bf9cb4147022cd5681b015183046

        SHA1

        f2106306a8f6f0da5afb7fc765cfa0757ad5a628

        SHA256

        c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

        SHA512

        0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

      • \Users\Admin\AppData\LocalLow\sqlite3.dll

        MD5

        f964811b68f9f1487c2b41e1aef576ce

        SHA1

        b423959793f14b1416bc3b7051bed58a1034025f

        SHA256

        83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

        SHA512

        565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

      • memory/784-94-0x0000000000270000-0x0000000000271000-memory.dmp

        Filesize

        4KB

      • memory/784-84-0x0000000000000000-mapping.dmp

      • memory/880-60-0x00000000002A0000-0x00000000002AA000-memory.dmp

        Filesize

        40KB

      • memory/892-65-0x0000000000000000-mapping.dmp

      • memory/1040-81-0x0000000000000000-mapping.dmp

      • memory/1040-95-0x0000000000050000-0x0000000000051000-memory.dmp

        Filesize

        4KB

      • memory/1168-73-0x0000000000400000-0x0000000001DC8000-memory.dmp

        Filesize

        25.8MB

      • memory/1168-71-0x00000000002D0000-0x000000000035F000-memory.dmp

        Filesize

        572KB

      • memory/1168-68-0x0000000000000000-mapping.dmp

      • memory/1204-64-0x0000000002A00000-0x0000000002A16000-memory.dmp

        Filesize

        88KB

      • memory/1308-90-0x0000000000000000-mapping.dmp

      • memory/1308-101-0x0000000000220000-0x00000000002AF000-memory.dmp

        Filesize

        572KB

      • memory/1308-102-0x0000000000400000-0x0000000001DB7000-memory.dmp

        Filesize

        25.7MB

      • memory/1524-100-0x0000000000000000-mapping.dmp

      • memory/1604-87-0x0000000000000000-mapping.dmp

      • memory/1604-97-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/2044-62-0x0000000000402FAB-mapping.dmp

      • memory/2044-61-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/2044-63-0x0000000075801000-0x0000000075803000-memory.dmp

        Filesize

        8KB