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Analysis

  • max time kernel
    107s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01/06/2022, 16:06

General

  • Target

    ghjkl.exe

  • Size

    40KB

  • MD5

    0a7b32e75a01764ef5389a1d9e72ed63

  • SHA1

    871366f3573c3349e9dc7b67fef1ef575815c154

  • SHA256

    34ba222ef969f09ecca5506cbada7c346469a96a6af0cdd21146d4435196deda

  • SHA512

    f19a7d56a825b59d2841a4f10db940458d3255239e15bb9bbe1376e1fc47d4c97aef09d4e7ecd5a3a35fca44ec92edf60edd4a07ef1845d679c3bd4fc8fe43ba

Malware Config

Extracted

Family

arkei

Botnet

Default

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Azorult

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

  • suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

    suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M4

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M4

  • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

    suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 11 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 3 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ghjkl.exe
    "C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 20
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 20
        3⤵
        • Delays execution with timeout.exe
        PID:2028
    • C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe
      "C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 20
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1492
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 20
          4⤵
          • Delays execution with timeout.exe
          PID:828
      • C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe
        C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Users\Admin\AppData\Roaming\azne.exe
          "C:\Users\Admin\AppData\Roaming\azne.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1876
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout /t 20
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1244
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 20
              6⤵
              • Delays execution with timeout.exe
              PID:1484
          • C:\Users\Admin\AppData\Roaming\azne.exe
            C:\Users\Admin\AppData\Roaming\azne.exe
            5⤵
            • Executes dropped EXE
            PID:1004
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe" & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1068
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            5⤵
            • Delays execution with timeout.exe
            PID:984
    • C:\Users\Admin\AppData\Local\Temp\ghjkl.exe
      C:\Users\Admin\AppData\Local\Temp\ghjkl.exe
      2⤵
      • Loads dropped DLL
      PID:1780
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 576
        3⤵
        • Program crash
        PID:1252

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe

    Filesize

    40KB

    MD5

    e8065b3712ff329829a9a9d191b684d7

    SHA1

    be243f806044523da8cfbd65b0aa0057e24ee984

    SHA256

    6b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07

    SHA512

    73641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0

  • C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe

    Filesize

    40KB

    MD5

    e8065b3712ff329829a9a9d191b684d7

    SHA1

    be243f806044523da8cfbd65b0aa0057e24ee984

    SHA256

    6b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07

    SHA512

    73641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0

  • C:\Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe

    Filesize

    40KB

    MD5

    e8065b3712ff329829a9a9d191b684d7

    SHA1

    be243f806044523da8cfbd65b0aa0057e24ee984

    SHA256

    6b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07

    SHA512

    73641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0

  • C:\Users\Admin\AppData\Roaming\azne.exe

    Filesize

    18KB

    MD5

    7e3ee77a4368b038f62d18f7db71c722

    SHA1

    2f3e78bf162ed48d0be9a7141aaf77df0a21706a

    SHA256

    4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

    SHA512

    0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

  • C:\Users\Admin\AppData\Roaming\azne.exe

    Filesize

    18KB

    MD5

    7e3ee77a4368b038f62d18f7db71c722

    SHA1

    2f3e78bf162ed48d0be9a7141aaf77df0a21706a

    SHA256

    4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

    SHA512

    0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

  • C:\Users\Admin\AppData\Roaming\azne.exe

    Filesize

    18KB

    MD5

    7e3ee77a4368b038f62d18f7db71c722

    SHA1

    2f3e78bf162ed48d0be9a7141aaf77df0a21706a

    SHA256

    4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

    SHA512

    0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

  • \ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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

    Filesize

    612KB

    MD5

    f07d9977430e762b563eaadc2b94bbfa

    SHA1

    da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

    SHA256

    4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

    SHA512

    6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

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

    Filesize

    1.9MB

    MD5

    f67d08e8c02574cbc2f1122c53bfb976

    SHA1

    6522992957e7e4d074947cad63189f308a80fcf2

    SHA256

    c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

    SHA512

    2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

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

    Filesize

    1.0MB

    MD5

    dbf4f8dcefb8056dc6bae4b67ff810ce

    SHA1

    bbac1dd8a07c6069415c04b62747d794736d0689

    SHA256

    47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

    SHA512

    b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

  • \Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe

    Filesize

    40KB

    MD5

    e8065b3712ff329829a9a9d191b684d7

    SHA1

    be243f806044523da8cfbd65b0aa0057e24ee984

    SHA256

    6b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07

    SHA512

    73641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0

  • \Users\Admin\AppData\Local\Temp\Iioozcrscrdqdprjojgormars2.exe

    Filesize

    40KB

    MD5

    e8065b3712ff329829a9a9d191b684d7

    SHA1

    be243f806044523da8cfbd65b0aa0057e24ee984

    SHA256

    6b7698fc83039d223e81f3352ea03afdb4fa4c3042a92683298c7fa5f67d5a07

    SHA512

    73641d298b07f51da61218babfec650d7a9de8c3ad6d10c81dd14cb1ac5d50e19624cfbde78f1c7af10698bfa76e83a79a751569839fabc547cb253c5bd3e0c0

  • \Users\Admin\AppData\Roaming\azne.exe

    Filesize

    18KB

    MD5

    7e3ee77a4368b038f62d18f7db71c722

    SHA1

    2f3e78bf162ed48d0be9a7141aaf77df0a21706a

    SHA256

    4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

    SHA512

    0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

  • \Users\Admin\AppData\Roaming\azne.exe

    Filesize

    18KB

    MD5

    7e3ee77a4368b038f62d18f7db71c722

    SHA1

    2f3e78bf162ed48d0be9a7141aaf77df0a21706a

    SHA256

    4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

    SHA512

    0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

  • \Users\Admin\AppData\Roaming\azne.exe

    Filesize

    18KB

    MD5

    7e3ee77a4368b038f62d18f7db71c722

    SHA1

    2f3e78bf162ed48d0be9a7141aaf77df0a21706a

    SHA256

    4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

    SHA512

    0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

  • \Users\Admin\AppData\Roaming\azne.exe

    Filesize

    18KB

    MD5

    7e3ee77a4368b038f62d18f7db71c722

    SHA1

    2f3e78bf162ed48d0be9a7141aaf77df0a21706a

    SHA256

    4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

    SHA512

    0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

  • memory/1004-161-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-162-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-164-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-168-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-166-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-178-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-172-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-165-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1004-177-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1348-105-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-110-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-116-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/1348-114-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-96-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-97-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-99-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-101-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-102-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-104-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1348-145-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1600-87-0x0000000071E30000-0x0000000072840000-memory.dmp

    Filesize

    10.1MB

  • memory/1600-64-0x0000000004590000-0x00000000045DC000-memory.dmp

    Filesize

    304KB

  • memory/1600-86-0x0000000072840000-0x0000000073BCF000-memory.dmp

    Filesize

    19.6MB

  • memory/1600-63-0x00000000043E0000-0x0000000004434000-memory.dmp

    Filesize

    336KB

  • memory/1600-54-0x0000000000DA0000-0x0000000000DB0000-memory.dmp

    Filesize

    64KB

  • memory/1600-88-0x0000000073E60000-0x0000000074640000-memory.dmp

    Filesize

    7.9MB

  • memory/1600-62-0x00000000712F0000-0x0000000071A2E000-memory.dmp

    Filesize

    7.2MB

  • memory/1600-61-0x0000000071A30000-0x0000000071B2C000-memory.dmp

    Filesize

    1008KB

  • memory/1600-60-0x0000000073E60000-0x0000000074640000-memory.dmp

    Filesize

    7.9MB

  • memory/1600-59-0x0000000071E30000-0x0000000072840000-memory.dmp

    Filesize

    10.1MB

  • memory/1600-58-0x0000000072840000-0x0000000073BCF000-memory.dmp

    Filesize

    19.6MB

  • memory/1600-55-0x0000000075CD1000-0x0000000075CD3000-memory.dmp

    Filesize

    8KB

  • memory/1780-92-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-179-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-70-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-72-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-78-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-77-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-74-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-80-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1780-83-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1876-159-0x00000000721A0000-0x00000000728DE000-memory.dmp

    Filesize

    7.2MB

  • memory/1876-151-0x00000000731C0000-0x0000000073BD0000-memory.dmp

    Filesize

    10.1MB

  • memory/1876-152-0x000000006FB80000-0x0000000070F0F000-memory.dmp

    Filesize

    19.6MB

  • memory/1876-176-0x00000000729E0000-0x00000000731C0000-memory.dmp

    Filesize

    7.9MB

  • memory/1876-175-0x000000006FB80000-0x0000000070F0F000-memory.dmp

    Filesize

    19.6MB

  • memory/1876-157-0x00000000731C0000-0x0000000073BD0000-memory.dmp

    Filesize

    10.1MB

  • memory/1876-158-0x00000000728E0000-0x00000000729DC000-memory.dmp

    Filesize

    1008KB

  • memory/1876-160-0x0000000002110000-0x0000000002166000-memory.dmp

    Filesize

    344KB

  • memory/1876-173-0x00000000731C0000-0x0000000073BD0000-memory.dmp

    Filesize

    10.1MB

  • memory/1876-146-0x0000000000D00000-0x0000000000D0A000-memory.dmp

    Filesize

    40KB

  • memory/1876-153-0x00000000729E0000-0x00000000731C0000-memory.dmp

    Filesize

    7.9MB

  • memory/1972-94-0x00000000046F0000-0x0000000004756000-memory.dmp

    Filesize

    408KB

  • memory/1972-109-0x00000000719F0000-0x0000000071AEC000-memory.dmp

    Filesize

    1008KB

  • memory/1972-111-0x0000000071E30000-0x0000000072840000-memory.dmp

    Filesize

    10.1MB

  • memory/1972-93-0x00000000707D0000-0x0000000070F0E000-memory.dmp

    Filesize

    7.2MB

  • memory/1972-112-0x0000000073E60000-0x0000000074640000-memory.dmp

    Filesize

    7.9MB

  • memory/1972-89-0x0000000072840000-0x0000000073BCF000-memory.dmp

    Filesize

    19.6MB

  • memory/1972-69-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

    Filesize

    64KB

  • memory/1972-90-0x0000000071E30000-0x0000000072840000-memory.dmp

    Filesize

    10.1MB

  • memory/1972-91-0x0000000073E60000-0x0000000074640000-memory.dmp

    Filesize

    7.9MB

  • memory/1972-113-0x0000000072840000-0x0000000073BCF000-memory.dmp

    Filesize

    19.6MB