Analysis

  • max time kernel
    46s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-08-2021 19:00

General

  • Target

    575f6a65c28682f88fa808ba8e862d7f.exe

  • Size

    1.5MB

  • MD5

    575f6a65c28682f88fa808ba8e862d7f

  • SHA1

    225b7a4d0d657a93b9074d7df6aa6b1b7c3e225e

  • SHA256

    5e08ef6445c40ba0c1216c04291b0d9ef48f0983a9aebd25f214e6fc988daa53

  • SHA512

    206d5daaf2efae41659632909e9c140399588b2c6b94be5abee46843eb62bbeff4b72df15d6cb173c4e25535c22e824263bad900401d07e46fa49263fdaa1701

Malware Config

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

raccoon

Botnet

c81fb6015c832710f869f6911e1aec18747e0184

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family

oski

C2

kullasa.ac.ug

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M3

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M3

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 19 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\575f6a65c28682f88fa808ba8e862d7f.exe
    "C:\Users\Admin\AppData\Local\Temp\575f6a65c28682f88fa808ba8e862d7f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\ProgramData\Vdgfgjkhsdwr.exe
      "C:\ProgramData\Vdgfgjkhsdwr.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\ProgramData\Vdgfgjkhsdwr.exe
        "C:\ProgramData\Vdgfgjkhsdwr.exe"
        3⤵
        • Executes dropped EXE
        PID:1752
    • C:\ProgramData\Dropakcx.exe
      "C:\ProgramData\Dropakcx.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\ProgramData\Dropakcx.exe
        "C:\ProgramData\Dropakcx.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:1732
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /pid 1732 & erase C:\ProgramData\Dropakcx.exe & RD /S /Q C:\\ProgramData\\934509568972038\\* & exit
          4⤵
            PID:1100
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /pid 1732
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:1180
      • C:\Users\Admin\AppData\Local\Temp\575f6a65c28682f88fa808ba8e862d7f.exe
        "C:\Users\Admin\AppData\Local\Temp\575f6a65c28682f88fa808ba8e862d7f.exe"
        2⤵
        • Loads dropped DLL
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\575f6a65c28682f88fa808ba8e862d7f.exe"
          3⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:1600
          • C:\Windows\SysWOW64\timeout.exe
            timeout /T 10 /NOBREAK
            4⤵
            • Delays execution with timeout.exe
            PID:1488

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Dropakcx.exe
      MD5

      e21551a13085e0ba0fad3e733d807559

      SHA1

      87aeaaf58c1d8cf23755697489267f289e7c5780

      SHA256

      abf5833a2ffa007792753f5d49fd21f00a2c8d20e623f57d9e3748c41fb1435a

      SHA512

      21497f7f742b5c2e61bd5b04e10eb71538d6bafd9c00aa793f9798a7035b9c02ac80bce3baa38d6e97a10239df726246a157b8c7db5ceffc31937187659ac189

    • C:\ProgramData\Dropakcx.exe
      MD5

      e21551a13085e0ba0fad3e733d807559

      SHA1

      87aeaaf58c1d8cf23755697489267f289e7c5780

      SHA256

      abf5833a2ffa007792753f5d49fd21f00a2c8d20e623f57d9e3748c41fb1435a

      SHA512

      21497f7f742b5c2e61bd5b04e10eb71538d6bafd9c00aa793f9798a7035b9c02ac80bce3baa38d6e97a10239df726246a157b8c7db5ceffc31937187659ac189

    • C:\ProgramData\Dropakcx.exe
      MD5

      e21551a13085e0ba0fad3e733d807559

      SHA1

      87aeaaf58c1d8cf23755697489267f289e7c5780

      SHA256

      abf5833a2ffa007792753f5d49fd21f00a2c8d20e623f57d9e3748c41fb1435a

      SHA512

      21497f7f742b5c2e61bd5b04e10eb71538d6bafd9c00aa793f9798a7035b9c02ac80bce3baa38d6e97a10239df726246a157b8c7db5ceffc31937187659ac189

    • C:\ProgramData\Vdgfgjkhsdwr.exe
      MD5

      b92b398d4e25a976dc699f2099fa8452

      SHA1

      900e6fedf9898adbbc5f3dc7185372ffb811c8ad

      SHA256

      6deb2679783cdd1f005ef86488a11de88fe52443f31f0c6e481b51f307271177

      SHA512

      5b854a34d489a94d2b193af192cb0d9f224ef1b7d2d0cd50b119a9cd24693c720482e9ddf910b2e9e0ef44e8ad263aa4a69094b503a01ff9a177d8c2cef5f1ed

    • C:\ProgramData\Vdgfgjkhsdwr.exe
      MD5

      b92b398d4e25a976dc699f2099fa8452

      SHA1

      900e6fedf9898adbbc5f3dc7185372ffb811c8ad

      SHA256

      6deb2679783cdd1f005ef86488a11de88fe52443f31f0c6e481b51f307271177

      SHA512

      5b854a34d489a94d2b193af192cb0d9f224ef1b7d2d0cd50b119a9cd24693c720482e9ddf910b2e9e0ef44e8ad263aa4a69094b503a01ff9a177d8c2cef5f1ed

    • C:\ProgramData\Vdgfgjkhsdwr.exe
      MD5

      b92b398d4e25a976dc699f2099fa8452

      SHA1

      900e6fedf9898adbbc5f3dc7185372ffb811c8ad

      SHA256

      6deb2679783cdd1f005ef86488a11de88fe52443f31f0c6e481b51f307271177

      SHA512

      5b854a34d489a94d2b193af192cb0d9f224ef1b7d2d0cd50b119a9cd24693c720482e9ddf910b2e9e0ef44e8ad263aa4a69094b503a01ff9a177d8c2cef5f1ed

    • \ProgramData\Dropakcx.exe
      MD5

      e21551a13085e0ba0fad3e733d807559

      SHA1

      87aeaaf58c1d8cf23755697489267f289e7c5780

      SHA256

      abf5833a2ffa007792753f5d49fd21f00a2c8d20e623f57d9e3748c41fb1435a

      SHA512

      21497f7f742b5c2e61bd5b04e10eb71538d6bafd9c00aa793f9798a7035b9c02ac80bce3baa38d6e97a10239df726246a157b8c7db5ceffc31937187659ac189

    • \ProgramData\Dropakcx.exe
      MD5

      e21551a13085e0ba0fad3e733d807559

      SHA1

      87aeaaf58c1d8cf23755697489267f289e7c5780

      SHA256

      abf5833a2ffa007792753f5d49fd21f00a2c8d20e623f57d9e3748c41fb1435a

      SHA512

      21497f7f742b5c2e61bd5b04e10eb71538d6bafd9c00aa793f9798a7035b9c02ac80bce3baa38d6e97a10239df726246a157b8c7db5ceffc31937187659ac189

    • \ProgramData\Dropakcx.exe
      MD5

      e21551a13085e0ba0fad3e733d807559

      SHA1

      87aeaaf58c1d8cf23755697489267f289e7c5780

      SHA256

      abf5833a2ffa007792753f5d49fd21f00a2c8d20e623f57d9e3748c41fb1435a

      SHA512

      21497f7f742b5c2e61bd5b04e10eb71538d6bafd9c00aa793f9798a7035b9c02ac80bce3baa38d6e97a10239df726246a157b8c7db5ceffc31937187659ac189

    • \ProgramData\Vdgfgjkhsdwr.exe
      MD5

      b92b398d4e25a976dc699f2099fa8452

      SHA1

      900e6fedf9898adbbc5f3dc7185372ffb811c8ad

      SHA256

      6deb2679783cdd1f005ef86488a11de88fe52443f31f0c6e481b51f307271177

      SHA512

      5b854a34d489a94d2b193af192cb0d9f224ef1b7d2d0cd50b119a9cd24693c720482e9ddf910b2e9e0ef44e8ad263aa4a69094b503a01ff9a177d8c2cef5f1ed

    • \ProgramData\Vdgfgjkhsdwr.exe
      MD5

      b92b398d4e25a976dc699f2099fa8452

      SHA1

      900e6fedf9898adbbc5f3dc7185372ffb811c8ad

      SHA256

      6deb2679783cdd1f005ef86488a11de88fe52443f31f0c6e481b51f307271177

      SHA512

      5b854a34d489a94d2b193af192cb0d9f224ef1b7d2d0cd50b119a9cd24693c720482e9ddf910b2e9e0ef44e8ad263aa4a69094b503a01ff9a177d8c2cef5f1ed

    • \ProgramData\Vdgfgjkhsdwr.exe
      MD5

      b92b398d4e25a976dc699f2099fa8452

      SHA1

      900e6fedf9898adbbc5f3dc7185372ffb811c8ad

      SHA256

      6deb2679783cdd1f005ef86488a11de88fe52443f31f0c6e481b51f307271177

      SHA512

      5b854a34d489a94d2b193af192cb0d9f224ef1b7d2d0cd50b119a9cd24693c720482e9ddf910b2e9e0ef44e8ad263aa4a69094b503a01ff9a177d8c2cef5f1ed

    • \ProgramData\mozglue.dll
      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • \ProgramData\msvcp140.dll
      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • \ProgramData\nss3.dll
      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • \ProgramData\sqlite3.dll
      MD5

      e477a96c8f2b18d6b5c27bde49c990bf

      SHA1

      e980c9bf41330d1e5bd04556db4646a0210f7409

      SHA256

      16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

      SHA512

      335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

    • \ProgramData\vcruntime140.dll
      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\freebl3.dll
      MD5

      60acd24430204ad2dc7f148b8cfe9bdc

      SHA1

      989f377b9117d7cb21cbe92a4117f88f9c7693d9

      SHA256

      9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

      SHA512

      626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

    • \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/688-69-0x0000000000000000-mapping.dmp
    • memory/1100-103-0x0000000000000000-mapping.dmp
    • memory/1224-87-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/1224-79-0x0000000000250000-0x0000000000258000-memory.dmp
      Filesize

      32KB

    • memory/1224-65-0x0000000000000000-mapping.dmp
    • memory/1488-113-0x0000000000000000-mapping.dmp
    • memory/1508-75-0x000000000043F877-mapping.dmp
    • memory/1508-95-0x0000000000400000-0x0000000000492000-memory.dmp
      Filesize

      584KB

    • memory/1600-112-0x0000000000000000-mapping.dmp
    • memory/1732-97-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/1732-96-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1732-90-0x0000000000417A8B-mapping.dmp
    • memory/1752-82-0x000000000041A684-mapping.dmp
    • memory/1752-85-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1752-94-0x00000000001C0000-0x00000000001C1000-memory.dmp
      Filesize

      4KB

    • memory/2032-76-0x00000000001C0000-0x00000000001C1000-memory.dmp
      Filesize

      4KB

    • memory/2032-81-0x0000000002B60000-0x0000000002BC5000-memory.dmp
      Filesize

      404KB

    • memory/2032-62-0x00000000760B1000-0x00000000760B3000-memory.dmp
      Filesize

      8KB