Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-05-2024 12:07

General

  • Target

    9c4b7f8a8732beb18b38ad4a4a853727cfb3da38666b45c4051c76801536bf22.exe

  • Size

    66KB

  • MD5

    2451fe4d6f61c5160d2c938c144a8a53

  • SHA1

    ab101316ff60cda1b7a4bfc1d535c234c0d60936

  • SHA256

    9c4b7f8a8732beb18b38ad4a4a853727cfb3da38666b45c4051c76801536bf22

  • SHA512

    abc4246b910ac8c997d9f0ec07116f9035e97a2a0410b90414c4ce8bd3deaf2a05c19428749d3ffd486e01ac70979df7a54231b521331092d5d2cbbe7bc95329

  • SSDEEP

    1536:Puca4wJAD99k/5/CuojaFLEf2X9JT8GJQ2Hs3hGH:HaP09NgJAGJQ2HpH

Malware Config

Extracted

Family

azorult

C2

http://ehzwq.shop/BL134/index.php

Signatures

  • Azorult

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

  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 17 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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).

  • 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 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c4b7f8a8732beb18b38ad4a4a853727cfb3da38666b45c4051c76801536bf22.exe
    "C:\Users\Admin\AppData\Local\Temp\9c4b7f8a8732beb18b38ad4a4a853727cfb3da38666b45c4051c76801536bf22.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
      "C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of AdjustPrivilegeToken
        PID:3216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3280
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "RegAsm.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5016
        • C:\Windows\SysWOW64\timeout.exe
          C:\Windows\system32\timeout.exe 3
          4⤵
          • Delays execution with timeout.exe
          PID:5072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-convert-l1-1-0.dll

    Filesize

    21KB

    MD5

    72e28c902cd947f9a3425b19ac5a64bd

    SHA1

    9b97f7a43d43cb0f1b87fc75fef7d9eeea11e6f7

    SHA256

    3cc1377d495260c380e8d225e5ee889cbb2ed22e79862d4278cfa898e58e44d1

    SHA512

    58ab6fedce2f8ee0970894273886cb20b10d92979b21cda97ae0c41d0676cc0cd90691c58b223bce5f338e0718d1716e6ce59a106901fe9706f85c3acf7855ff

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-environment-l1-1-0.dll

    Filesize

    18KB

    MD5

    ac290dad7cb4ca2d93516580452eda1c

    SHA1

    fa949453557d0049d723f9615e4f390010520eda

    SHA256

    c0d75d1887c32a1b1006b3cffc29df84a0d73c435cdcb404b6964be176a61382

    SHA512

    b5e2b9f5a9dd8a482169c7fc05f018ad8fe6ae27cb6540e67679272698bfca24b2ca5a377fa61897f328b3deac10237cafbd73bc965bf9055765923aba9478f8

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-filesystem-l1-1-0.dll

    Filesize

    19KB

    MD5

    aec2268601470050e62cb8066dd41a59

    SHA1

    363ed259905442c4e3b89901bfd8a43b96bf25e4

    SHA256

    7633774effe7c0add6752ffe90104d633fc8262c87871d096c2fc07c20018ed2

    SHA512

    0c14d160bfa3ac52c35ff2f2813b85f8212c5f3afbcfe71a60ccc2b9e61e51736f0bf37ca1f9975b28968790ea62ed5924fae4654182f67114bd20d8466c4b8f

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-heap-l1-1-0.dll

    Filesize

    18KB

    MD5

    93d3da06bf894f4fa21007bee06b5e7d

    SHA1

    1e47230a7ebcfaf643087a1929a385e0d554ad15

    SHA256

    f5cf623ba14b017af4aec6c15eee446c647ab6d2a5dee9d6975adc69994a113d

    SHA512

    72bd6d46a464de74a8dac4c346c52d068116910587b1c7b97978df888925216958ce77be1ae049c3dccf5bf3fffb21bc41a0ac329622bc9bbc190df63abb25c6

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-locale-l1-1-0.dll

    Filesize

    18KB

    MD5

    a2f2258c32e3ba9abf9e9e38ef7da8c9

    SHA1

    116846ca871114b7c54148ab2d968f364da6142f

    SHA256

    565a2eec5449eeeed68b430f2e9b92507f979174f9c9a71d0c36d58b96051c33

    SHA512

    e98cbc8d958e604effa614a3964b3d66b6fc646bdca9aa679ea5e4eb92ec0497b91485a40742f3471f4ff10de83122331699edc56a50f06ae86f21fad70953fe

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-math-l1-1-0.dll

    Filesize

    28KB

    MD5

    8b0ba750e7b15300482ce6c961a932f0

    SHA1

    71a2f5d76d23e48cef8f258eaad63e586cfc0e19

    SHA256

    bece7bab83a5d0ec5c35f0841cbbf413e01ac878550fbdb34816ed55185dcfed

    SHA512

    fb646cdcdb462a347ed843312418f037f3212b2481f3897a16c22446824149ee96eb4a4b47a903ca27b1f4d7a352605d4930df73092c380e3d4d77ce4e972c5a

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-multibyte-l1-1-0.dll

    Filesize

    25KB

    MD5

    35fc66bd813d0f126883e695664e7b83

    SHA1

    2fd63c18cc5dc4defc7ea82f421050e668f68548

    SHA256

    66abf3a1147751c95689f5bc6a259e55281ec3d06d3332dd0ba464effa716735

    SHA512

    65f8397de5c48d3df8ad79baf46c1d3a0761f727e918ae63612ea37d96adf16cc76d70d454a599f37f9ba9b4e2e38ebc845df4c74fc1e1131720fd0dcb881431

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-runtime-l1-1-0.dll

    Filesize

    22KB

    MD5

    41a348f9bedc8681fb30fa78e45edb24

    SHA1

    66e76c0574a549f293323dd6f863a8a5b54f3f9b

    SHA256

    c9bbc07a033bab6a828ecc30648b501121586f6f53346b1cd0649d7b648ea60b

    SHA512

    8c2cb53ccf9719de87ee65ed2e1947e266ec7e8343246def6429c6df0dc514079f5171acd1aa637276256c607f1063144494b992d4635b01e09ddea6f5eef204

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-stdio-l1-1-0.dll

    Filesize

    23KB

    MD5

    fefb98394cb9ef4368da798deab00e21

    SHA1

    316d86926b558c9f3f6133739c1a8477b9e60740

    SHA256

    b1e702b840aebe2e9244cd41512d158a43e6e9516cd2015a84eb962fa3ff0df7

    SHA512

    57476fe9b546e4cafb1ef4fd1cbd757385ba2d445d1785987afb46298acbe4b05266a0c4325868bc4245c2f41e7e2553585bfb5c70910e687f57dac6a8e911e8

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-string-l1-1-0.dll

    Filesize

    22KB

    MD5

    404604cd100a1e60dfdaf6ecf5ba14c0

    SHA1

    58469835ab4b916927b3cabf54aee4f380ff6748

    SHA256

    73cc56f20268bfb329ccd891822e2e70dd70fe21fc7101deb3fa30c34a08450c

    SHA512

    da024ccb50d4a2a5355b7712ba896df850cee57aa4ada33aad0bae6960bcd1e5e3cee9488371ab6e19a2073508fbb3f0b257382713a31bc0947a4bf1f7a20be4

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-time-l1-1-0.dll

    Filesize

    20KB

    MD5

    849f2c3ebf1fcba33d16153692d5810f

    SHA1

    1f8eda52d31512ebfdd546be60990b95c8e28bfb

    SHA256

    69885fd581641b4a680846f93c2dd21e5dd8e3ba37409783bc5b3160a919cb5d

    SHA512

    44dc4200a653363c9a1cb2bdd3da5f371f7d1fb644d1ce2ff5fe57d939b35130ac8ae27a3f07b82b3428233f07f974628027b0e6b6f70f7b2a8d259be95222f5

  • \Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-utility-l1-1-0.dll

    Filesize

    18KB

    MD5

    b52a0ca52c9c207874639b62b6082242

    SHA1

    6fb845d6a82102ff74bd35f42a2844d8c450413b

    SHA256

    a1d1d6b0cb0a8421d7c0d1297c4c389c95514493cd0a386b49dc517ac1b9a2b0

    SHA512

    18834d89376d703bd461edf7738eb723ad8d54cb92acc9b6f10cbb55d63db22c2a0f2f3067fe2cc6feb775db397030606608ff791a46bf048016a1333028d0a4

  • \Users\Admin\AppData\Local\Temp\3059A817\mozglue.dll

    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • \Users\Admin\AppData\Local\Temp\3059A817\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\Local\Temp\3059A817\nss3.dll

    Filesize

    1.2MB

    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • \Users\Admin\AppData\Local\Temp\3059A817\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\Mrmjzj.exe

    Filesize

    93KB

    MD5

    93e85d15ef93ddf8ac964f84d9bec664

    SHA1

    e3d58cca51afd2449a11a8a18c5a0f871dbca59c

    SHA256

    816bb9cdaa18ffba5dbcedf69298718caac8a4ff6c674300a9299d0584a236c9

    SHA512

    acd703192f69af97cd6d288ad43b3b6dc6e711c7747f25af05a0f0fe3619b5c503857d0f6dbe93b4d5dd411b8f0a51cf25b8596396c756cf7f3faed57b00c49c

  • memory/1524-13-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-5-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-45-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-47-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-58-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-61-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-59-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-55-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-53-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-51-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-49-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-43-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-41-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-39-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-35-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-33-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-31-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-67-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-65-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-63-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-4885-0x0000000002120000-0x000000000216C000-memory.dmp

    Filesize

    304KB

  • memory/1524-4884-0x0000000000810000-0x0000000000882000-memory.dmp

    Filesize

    456KB

  • memory/1524-4887-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1524-15-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-4893-0x0000000005600000-0x0000000005654000-memory.dmp

    Filesize

    336KB

  • memory/1524-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp

    Filesize

    72KB

  • memory/1524-2-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1524-3-0x0000000008470000-0x00000000086A6000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-4-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-9-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-4923-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1524-19-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-37-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-21-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-23-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-25-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-27-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-29-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-11-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-7-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/1524-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

    Filesize

    4KB

  • memory/1524-17-0x0000000008470000-0x00000000086A0000-memory.dmp

    Filesize

    2.2MB

  • memory/3216-9906-0x0000000000B50000-0x0000000000C16000-memory.dmp

    Filesize

    792KB

  • memory/3216-10809-0x0000000002490000-0x00000000024E6000-memory.dmp

    Filesize

    344KB

  • memory/3216-10808-0x00000000008E0000-0x00000000008E8000-memory.dmp

    Filesize

    32KB

  • memory/3216-9905-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3232-4898-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/3232-5007-0x0000000008580000-0x0000000008846000-memory.dmp

    Filesize

    2.8MB

  • memory/3232-9888-0x0000000008840000-0x0000000008942000-memory.dmp

    Filesize

    1.0MB

  • memory/3232-9889-0x0000000004620000-0x0000000004674000-memory.dmp

    Filesize

    336KB

  • memory/3232-4897-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3232-9904-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3232-4896-0x0000000000A70000-0x0000000000A8A000-memory.dmp

    Filesize

    104KB

  • memory/3232-4906-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/3280-4922-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3280-10807-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB