Analysis

  • max time kernel
    135s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-04-2021 18:41

General

  • Target

    10F8195621113F9C8DE63BA139E91CFF.exe

  • Size

    24KB

  • MD5

    10f8195621113f9c8de63ba139e91cff

  • SHA1

    100edd4e0a2736d3002f5f8e068512c1081d16d7

  • SHA256

    757b5cdac4587f1b1c3a25f18a07109eff5e45259bbce14e426dd1e5802afa17

  • SHA512

    19ddb096c550add23b68f5a155688832fb281f16863eff8cf1eeb313d43f59d5540fe85be94add13687b3463d54b5c81094a2b2f71ed1da1ecd2ecf4196996f4

Malware Config

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Signatures

  • Azorult

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

  • Loads dropped DLL 16 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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 NtSetInformationThreadHideFromDebugger 14 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe
    "C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:292
    • C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe
      "C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe"
      2⤵
        PID:1000
      • C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe
        "C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe"
        2⤵
          PID:872
        • C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe
          "C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe"
          2⤵
            PID:1732
          • C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe
            "C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe"
            2⤵
              PID:1888
            • C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe
              "C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe"
              2⤵
                PID:612
              • C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe
                "C:\Users\Admin\AppData\Local\Temp\10F8195621113F9C8DE63BA139E91CFF.exe"
                2⤵
                • Loads dropped DLL
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:380
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "10F8195621113F9C8DE63BA139E91CFF.exe"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1588
                  • C:\Windows\SysWOW64\timeout.exe
                    C:\Windows\system32\timeout.exe 3
                    4⤵
                    • Delays execution with timeout.exe
                    PID:968
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1800
                2⤵
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                PID:1548

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Defense Evasion

            Install Root Certificate

            1
            T1130

            Modify Registry

            1
            T1112

            Credential Access

            Credentials in Files

            5
            T1081

            Discovery

            Query Registry

            2
            T1012

            System Information Discovery

            2
            T1082

            Collection

            Data from Local System

            5
            T1005

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-convert-l1-1-0.dll
              MD5

              72e28c902cd947f9a3425b19ac5a64bd

              SHA1

              9b97f7a43d43cb0f1b87fc75fef7d9eeea11e6f7

              SHA256

              3cc1377d495260c380e8d225e5ee889cbb2ed22e79862d4278cfa898e58e44d1

              SHA512

              58ab6fedce2f8ee0970894273886cb20b10d92979b21cda97ae0c41d0676cc0cd90691c58b223bce5f338e0718d1716e6ce59a106901fe9706f85c3acf7855ff

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-environment-l1-1-0.dll
              MD5

              ac290dad7cb4ca2d93516580452eda1c

              SHA1

              fa949453557d0049d723f9615e4f390010520eda

              SHA256

              c0d75d1887c32a1b1006b3cffc29df84a0d73c435cdcb404b6964be176a61382

              SHA512

              b5e2b9f5a9dd8a482169c7fc05f018ad8fe6ae27cb6540e67679272698bfca24b2ca5a377fa61897f328b3deac10237cafbd73bc965bf9055765923aba9478f8

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-filesystem-l1-1-0.dll
              MD5

              aec2268601470050e62cb8066dd41a59

              SHA1

              363ed259905442c4e3b89901bfd8a43b96bf25e4

              SHA256

              7633774effe7c0add6752ffe90104d633fc8262c87871d096c2fc07c20018ed2

              SHA512

              0c14d160bfa3ac52c35ff2f2813b85f8212c5f3afbcfe71a60ccc2b9e61e51736f0bf37ca1f9975b28968790ea62ed5924fae4654182f67114bd20d8466c4b8f

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-heap-l1-1-0.dll
              MD5

              93d3da06bf894f4fa21007bee06b5e7d

              SHA1

              1e47230a7ebcfaf643087a1929a385e0d554ad15

              SHA256

              f5cf623ba14b017af4aec6c15eee446c647ab6d2a5dee9d6975adc69994a113d

              SHA512

              72bd6d46a464de74a8dac4c346c52d068116910587b1c7b97978df888925216958ce77be1ae049c3dccf5bf3fffb21bc41a0ac329622bc9bbc190df63abb25c6

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-locale-l1-1-0.dll
              MD5

              a2f2258c32e3ba9abf9e9e38ef7da8c9

              SHA1

              116846ca871114b7c54148ab2d968f364da6142f

              SHA256

              565a2eec5449eeeed68b430f2e9b92507f979174f9c9a71d0c36d58b96051c33

              SHA512

              e98cbc8d958e604effa614a3964b3d66b6fc646bdca9aa679ea5e4eb92ec0497b91485a40742f3471f4ff10de83122331699edc56a50f06ae86f21fad70953fe

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-math-l1-1-0.dll
              MD5

              8b0ba750e7b15300482ce6c961a932f0

              SHA1

              71a2f5d76d23e48cef8f258eaad63e586cfc0e19

              SHA256

              bece7bab83a5d0ec5c35f0841cbbf413e01ac878550fbdb34816ed55185dcfed

              SHA512

              fb646cdcdb462a347ed843312418f037f3212b2481f3897a16c22446824149ee96eb4a4b47a903ca27b1f4d7a352605d4930df73092c380e3d4d77ce4e972c5a

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-multibyte-l1-1-0.dll
              MD5

              35fc66bd813d0f126883e695664e7b83

              SHA1

              2fd63c18cc5dc4defc7ea82f421050e668f68548

              SHA256

              66abf3a1147751c95689f5bc6a259e55281ec3d06d3332dd0ba464effa716735

              SHA512

              65f8397de5c48d3df8ad79baf46c1d3a0761f727e918ae63612ea37d96adf16cc76d70d454a599f37f9ba9b4e2e38ebc845df4c74fc1e1131720fd0dcb881431

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-runtime-l1-1-0.dll
              MD5

              41a348f9bedc8681fb30fa78e45edb24

              SHA1

              66e76c0574a549f293323dd6f863a8a5b54f3f9b

              SHA256

              c9bbc07a033bab6a828ecc30648b501121586f6f53346b1cd0649d7b648ea60b

              SHA512

              8c2cb53ccf9719de87ee65ed2e1947e266ec7e8343246def6429c6df0dc514079f5171acd1aa637276256c607f1063144494b992d4635b01e09ddea6f5eef204

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-stdio-l1-1-0.dll
              MD5

              fefb98394cb9ef4368da798deab00e21

              SHA1

              316d86926b558c9f3f6133739c1a8477b9e60740

              SHA256

              b1e702b840aebe2e9244cd41512d158a43e6e9516cd2015a84eb962fa3ff0df7

              SHA512

              57476fe9b546e4cafb1ef4fd1cbd757385ba2d445d1785987afb46298acbe4b05266a0c4325868bc4245c2f41e7e2553585bfb5c70910e687f57dac6a8e911e8

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-string-l1-1-0.dll
              MD5

              404604cd100a1e60dfdaf6ecf5ba14c0

              SHA1

              58469835ab4b916927b3cabf54aee4f380ff6748

              SHA256

              73cc56f20268bfb329ccd891822e2e70dd70fe21fc7101deb3fa30c34a08450c

              SHA512

              da024ccb50d4a2a5355b7712ba896df850cee57aa4ada33aad0bae6960bcd1e5e3cee9488371ab6e19a2073508fbb3f0b257382713a31bc0947a4bf1f7a20be4

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-time-l1-1-0.dll
              MD5

              849f2c3ebf1fcba33d16153692d5810f

              SHA1

              1f8eda52d31512ebfdd546be60990b95c8e28bfb

              SHA256

              69885fd581641b4a680846f93c2dd21e5dd8e3ba37409783bc5b3160a919cb5d

              SHA512

              44dc4200a653363c9a1cb2bdd3da5f371f7d1fb644d1ce2ff5fe57d939b35130ac8ae27a3f07b82b3428233f07f974628027b0e6b6f70f7b2a8d259be95222f5

            • \Users\Admin\AppData\Local\Temp\EB470645\api-ms-win-crt-utility-l1-1-0.dll
              MD5

              b52a0ca52c9c207874639b62b6082242

              SHA1

              6fb845d6a82102ff74bd35f42a2844d8c450413b

              SHA256

              a1d1d6b0cb0a8421d7c0d1297c4c389c95514493cd0a386b49dc517ac1b9a2b0

              SHA512

              18834d89376d703bd461edf7738eb723ad8d54cb92acc9b6f10cbb55d63db22c2a0f2f3067fe2cc6feb775db397030606608ff791a46bf048016a1333028d0a4

            • \Users\Admin\AppData\Local\Temp\EB470645\mozglue.dll
              MD5

              9e682f1eb98a9d41468fc3e50f907635

              SHA1

              85e0ceca36f657ddf6547aa0744f0855a27527ee

              SHA256

              830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

              SHA512

              230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

            • \Users\Admin\AppData\Local\Temp\EB470645\msvcp140.dll
              MD5

              109f0f02fd37c84bfc7508d4227d7ed5

              SHA1

              ef7420141bb15ac334d3964082361a460bfdb975

              SHA256

              334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

              SHA512

              46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

            • \Users\Admin\AppData\Local\Temp\EB470645\nss3.dll
              MD5

              556ea09421a0f74d31c4c0a89a70dc23

              SHA1

              f739ba9b548ee64b13eb434a3130406d23f836e3

              SHA256

              f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

              SHA512

              2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

            • \Users\Admin\AppData\Local\Temp\EB470645\vcruntime140.dll
              MD5

              7587bf9cb4147022cd5681b015183046

              SHA1

              f2106306a8f6f0da5afb7fc765cfa0757ad5a628

              SHA256

              c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

              SHA512

              0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

            • memory/292-66-0x0000000000000000-mapping.dmp
            • memory/316-65-0x0000000000000000-mapping.dmp
            • memory/380-71-0x0000000000400000-0x0000000000437000-memory.dmp
              Filesize

              220KB

            • memory/380-68-0x000000000041A684-mapping.dmp
            • memory/380-67-0x0000000000400000-0x0000000000437000-memory.dmp
              Filesize

              220KB

            • memory/968-90-0x0000000000000000-mapping.dmp
            • memory/1548-70-0x0000000000000000-mapping.dmp
            • memory/1548-72-0x0000000000320000-0x0000000000321000-memory.dmp
              Filesize

              4KB

            • memory/1588-89-0x0000000000000000-mapping.dmp
            • memory/1948-60-0x00000000002D0000-0x00000000002D1000-memory.dmp
              Filesize

              4KB

            • memory/1948-64-0x00000000002E0000-0x0000000000324000-memory.dmp
              Filesize

              272KB

            • memory/1948-63-0x0000000004880000-0x0000000004881000-memory.dmp
              Filesize

              4KB

            • memory/1948-62-0x0000000075511000-0x0000000075513000-memory.dmp
              Filesize

              8KB