Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    02-01-2021 08:17

General

  • Target

    877dc825c00e79e1150d80d8308b2839.exe

  • Size

    1.1MB

  • MD5

    877dc825c00e79e1150d80d8308b2839

  • SHA1

    729b79644b48169917bb3edc128c54ade150d14e

  • SHA256

    b7b5a82b1c9b3c2ffeedcc57b2bef35f61c7e93ec2d5ae784f667e4d8d534009

  • SHA512

    9171d18cdf4834417ddd9dc076aca77d68ebedd731583c3869b01181ff80739448efc8e0e0b0197fa5866592684efe1563a20a86ccd5c7ba645487198af8fd07

Malware Config

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

oski

C2

malscxa.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.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 9 IoCs
  • 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 2 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.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
    "C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:296
    • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
      "C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe
        "C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:984
        • C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe
          "{path}"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious use of WriteProcessMemory
          PID:1376
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c taskkill /pid 1376 & erase C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe & RD /S /Q C:\\ProgramData\\067949102596675\\* & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1668
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /pid 1376
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:572
      • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        PID:1560
    • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
      "{path}"
      2⤵
        PID:1668
      • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
        "{path}"
        2⤵
          PID:1008
        • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
          "{path}"
          2⤵
            PID:332
          • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
            "{path}"
            2⤵
              PID:1020
            • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
              "{path}"
              2⤵
                PID:1660

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Credential Access

            Credentials in Files

            2
            T1081

            Discovery

            Query Registry

            2
            T1012

            System Information Discovery

            2
            T1082

            Collection

            Data from Local System

            2
            T1005

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
              MD5

              170faeb45ecbd3499349403e53573a5f

              SHA1

              db9b93e719fb25b9621930ad03581b8ff0bf418f

              SHA256

              3df00736cd98aedc6145d6163a1cf28117c4402736e004d574c3fb3a7f036357

              SHA512

              a23f9e1d0f09a979e8b7abacbb3b1fa320e2598b399ac6e9e831845dec1151fa5640f4dd376736f334517de675f6b6e9117e151371d58f7fbaeb85d24a64c8ff

            • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
              MD5

              170faeb45ecbd3499349403e53573a5f

              SHA1

              db9b93e719fb25b9621930ad03581b8ff0bf418f

              SHA256

              3df00736cd98aedc6145d6163a1cf28117c4402736e004d574c3fb3a7f036357

              SHA512

              a23f9e1d0f09a979e8b7abacbb3b1fa320e2598b399ac6e9e831845dec1151fa5640f4dd376736f334517de675f6b6e9117e151371d58f7fbaeb85d24a64c8ff

            • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
              MD5

              170faeb45ecbd3499349403e53573a5f

              SHA1

              db9b93e719fb25b9621930ad03581b8ff0bf418f

              SHA256

              3df00736cd98aedc6145d6163a1cf28117c4402736e004d574c3fb3a7f036357

              SHA512

              a23f9e1d0f09a979e8b7abacbb3b1fa320e2598b399ac6e9e831845dec1151fa5640f4dd376736f334517de675f6b6e9117e151371d58f7fbaeb85d24a64c8ff

            • C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe
              MD5

              593eea90e533ed14757d62b4f2c7d969

              SHA1

              0c7deb4ac306dac893c6ba30f81d9519a3f409a6

              SHA256

              6d699346640d5489ea376abc4d3aebefaeb5a3966f79a8bc42840ecabac54643

              SHA512

              c069f0c550724a5b509ad9c8d94f037a3e0a4758df8c4bb5b7c265a350a14d541fb111c72dda9a0f4b736d71236bb9192d9b9fc03de7647c24cdfc428bd8b678

            • C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe
              MD5

              593eea90e533ed14757d62b4f2c7d969

              SHA1

              0c7deb4ac306dac893c6ba30f81d9519a3f409a6

              SHA256

              6d699346640d5489ea376abc4d3aebefaeb5a3966f79a8bc42840ecabac54643

              SHA512

              c069f0c550724a5b509ad9c8d94f037a3e0a4758df8c4bb5b7c265a350a14d541fb111c72dda9a0f4b736d71236bb9192d9b9fc03de7647c24cdfc428bd8b678

            • C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe
              MD5

              593eea90e533ed14757d62b4f2c7d969

              SHA1

              0c7deb4ac306dac893c6ba30f81d9519a3f409a6

              SHA256

              6d699346640d5489ea376abc4d3aebefaeb5a3966f79a8bc42840ecabac54643

              SHA512

              c069f0c550724a5b509ad9c8d94f037a3e0a4758df8c4bb5b7c265a350a14d541fb111c72dda9a0f4b736d71236bb9192d9b9fc03de7647c24cdfc428bd8b678

            • \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\Local\Temp\aghkdfgh.exe
              MD5

              170faeb45ecbd3499349403e53573a5f

              SHA1

              db9b93e719fb25b9621930ad03581b8ff0bf418f

              SHA256

              3df00736cd98aedc6145d6163a1cf28117c4402736e004d574c3fb3a7f036357

              SHA512

              a23f9e1d0f09a979e8b7abacbb3b1fa320e2598b399ac6e9e831845dec1151fa5640f4dd376736f334517de675f6b6e9117e151371d58f7fbaeb85d24a64c8ff

            • \Users\Admin\AppData\Local\Temp\aghkdfgh.exe
              MD5

              170faeb45ecbd3499349403e53573a5f

              SHA1

              db9b93e719fb25b9621930ad03581b8ff0bf418f

              SHA256

              3df00736cd98aedc6145d6163a1cf28117c4402736e004d574c3fb3a7f036357

              SHA512

              a23f9e1d0f09a979e8b7abacbb3b1fa320e2598b399ac6e9e831845dec1151fa5640f4dd376736f334517de675f6b6e9117e151371d58f7fbaeb85d24a64c8ff

            • \Users\Admin\AppData\Local\Temp\oghkdfgh.exe
              MD5

              593eea90e533ed14757d62b4f2c7d969

              SHA1

              0c7deb4ac306dac893c6ba30f81d9519a3f409a6

              SHA256

              6d699346640d5489ea376abc4d3aebefaeb5a3966f79a8bc42840ecabac54643

              SHA512

              c069f0c550724a5b509ad9c8d94f037a3e0a4758df8c4bb5b7c265a350a14d541fb111c72dda9a0f4b736d71236bb9192d9b9fc03de7647c24cdfc428bd8b678

            • \Users\Admin\AppData\Local\Temp\oghkdfgh.exe
              MD5

              593eea90e533ed14757d62b4f2c7d969

              SHA1

              0c7deb4ac306dac893c6ba30f81d9519a3f409a6

              SHA256

              6d699346640d5489ea376abc4d3aebefaeb5a3966f79a8bc42840ecabac54643

              SHA512

              c069f0c550724a5b509ad9c8d94f037a3e0a4758df8c4bb5b7c265a350a14d541fb111c72dda9a0f4b736d71236bb9192d9b9fc03de7647c24cdfc428bd8b678

            • memory/284-29-0x000007FEF6580000-0x000007FEF67FA000-memory.dmp
              Filesize

              2.5MB

            • memory/296-3-0x0000000000390000-0x0000000000391000-memory.dmp
              Filesize

              4KB

            • memory/296-2-0x00000000748D0000-0x0000000074FBE000-memory.dmp
              Filesize

              6.9MB

            • memory/296-5-0x0000000000520000-0x000000000052E000-memory.dmp
              Filesize

              56KB

            • memory/296-6-0x0000000007E90000-0x0000000007F55000-memory.dmp
              Filesize

              788KB

            • memory/572-42-0x0000000000000000-mapping.dmp
            • memory/984-25-0x00000000748D0000-0x0000000074FBE000-memory.dmp
              Filesize

              6.9MB

            • memory/984-17-0x0000000000000000-mapping.dmp
            • memory/984-26-0x00000000001D0000-0x00000000001D1000-memory.dmp
              Filesize

              4KB

            • memory/984-30-0x0000000004C90000-0x0000000004CF3000-memory.dmp
              Filesize

              396KB

            • memory/1376-32-0x0000000000400000-0x0000000000434000-memory.dmp
              Filesize

              208KB

            • memory/1376-33-0x0000000000417A8B-mapping.dmp
            • memory/1376-35-0x0000000000400000-0x0000000000434000-memory.dmp
              Filesize

              208KB

            • memory/1560-24-0x0000000000400000-0x0000000000420000-memory.dmp
              Filesize

              128KB

            • memory/1560-22-0x000000000041A684-mapping.dmp
            • memory/1560-20-0x0000000000400000-0x0000000000420000-memory.dmp
              Filesize

              128KB

            • memory/1668-41-0x0000000000000000-mapping.dmp
            • memory/1704-15-0x0000000000470000-0x00000000004BF000-memory.dmp
              Filesize

              316KB

            • memory/1704-8-0x0000000000000000-mapping.dmp
            • memory/1704-12-0x00000000010E0000-0x00000000010E1000-memory.dmp
              Filesize

              4KB

            • memory/1704-11-0x00000000748D0000-0x0000000074FBE000-memory.dmp
              Filesize

              6.9MB