Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-03-2024 10:01

General

  • Target

    rvVD.exe

  • Size

    577KB

  • MD5

    caa506ab6ff455591cb65c24c22a42bb

  • SHA1

    e4fdb346270ed3a7fec1b9f3bc0f5cf9f60e91a9

  • SHA256

    262888a7cb03705b0314506f9b149b3ec3aafd3c3923681435e7286b9d754ae4

  • SHA512

    9c6a53eb3ca58d446ea3b63a508521ee1cfe578c2f381839c65893336af44c97e511c3137822c8933094548a0db3065ef8c1df964b31ac0af82a83788d5ef131

  • SSDEEP

    12288:f0Wjd1yYEX7LMZXmkfen3IZbRQoF//jTFaTC9E2iNJkR:XdHosZXmkFbRQyv0T0E1e

Malware Config

Extracted

Family

azorult

C2

http://mhlc.shop/MC341/index.php

Signatures

  • Azorult

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 4 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
  • 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 1 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rvVD.exe
    "C:\Users\Admin\AppData\Local\Temp\rvVD.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\rvVD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1748
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rXIDQtjAOLGqpl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3556
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rXIDQtjAOLGqpl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp956A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1688
    • C:\Users\Admin\AppData\Local\Temp\rvVD.exe
      "C:\Users\Admin\AppData\Local\Temp\rvVD.exe"
      2⤵
      • Checks computer location settings
      • 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:3980
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "rvVD.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\SysWOW64\timeout.exe
          C:\Windows\system32\timeout.exe 3
          4⤵
          • Delays execution with timeout.exe
          PID:560

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

6
T1552

Credentials In Files

5
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

6
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    18KB

    MD5

    7783676a79408758c2db88e2176f70c3

    SHA1

    d5e15992e912be44fc2a21f7edc3366310dfd6df

    SHA256

    7e7a15c549d8c0bb23e8fb62d0f5b66a63a48d9bbe271d0d1a3eebebaeb3e526

    SHA512

    a2d7c0acc943f4cee90d68b0954568558a71e1517e8b4b7e384048fe3fe2d6c5ce49eac053ae8a0ea628d0ca384d5079d32b7fc02ee8ad681ba477d3ec455fbf

  • C:\Users\Admin\AppData\Local\Temp\C4D09294\mozglue.dll
    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • C:\Users\Admin\AppData\Local\Temp\C4D09294\msvcp140.dll
    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\C4D09294\nss3.dll
    Filesize

    1.2MB

    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • C:\Users\Admin\AppData\Local\Temp\C4D09294\vcruntime140.dll
    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iwxhruer.ses.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp956A.tmp
    Filesize

    1KB

    MD5

    73d62a016b9c7d71d93e8249bd4b1934

    SHA1

    bb73522ed08d2bb5e161059ce7f25b81355284be

    SHA256

    4b1300678e94e9170376006dbcd2cfe1fcf0733e510d929a487f8aa203bf9fe2

    SHA512

    7d40b524ce9805ff8a230077bd078afa8cc0ed6972cd75d6b887497ff84e88b9f67f6e011f397b5479f8511cea82eb9c82f770c598c1b5b89ebe07d6bd52f9ba

  • memory/1748-48-0x0000000005C40000-0x0000000005F94000-memory.dmp
    Filesize

    3.3MB

  • memory/1748-55-0x0000000004B40000-0x0000000004B50000-memory.dmp
    Filesize

    64KB

  • memory/1748-82-0x0000000007A90000-0x000000000810A000-memory.dmp
    Filesize

    6.5MB

  • memory/1748-59-0x0000000006700000-0x0000000006732000-memory.dmp
    Filesize

    200KB

  • memory/1748-16-0x0000000004B90000-0x0000000004BC6000-memory.dmp
    Filesize

    216KB

  • memory/1748-17-0x0000000074540000-0x0000000074CF0000-memory.dmp
    Filesize

    7.7MB

  • memory/1748-61-0x00000000709C0000-0x0000000070A0C000-memory.dmp
    Filesize

    304KB

  • memory/1748-156-0x0000000074540000-0x0000000074CF0000-memory.dmp
    Filesize

    7.7MB

  • memory/1748-57-0x000000007EFC0000-0x000000007EFD0000-memory.dmp
    Filesize

    64KB

  • memory/1748-146-0x0000000007680000-0x000000000768E000-memory.dmp
    Filesize

    56KB

  • memory/1748-22-0x0000000004B40000-0x0000000004B50000-memory.dmp
    Filesize

    64KB

  • memory/1748-23-0x0000000004B40000-0x0000000004B50000-memory.dmp
    Filesize

    64KB

  • memory/1748-145-0x0000000007650000-0x0000000007661000-memory.dmp
    Filesize

    68KB

  • memory/1748-149-0x0000000007770000-0x0000000007778000-memory.dmp
    Filesize

    32KB

  • memory/1748-148-0x0000000007790000-0x00000000077AA000-memory.dmp
    Filesize

    104KB

  • memory/1748-27-0x00000000059D0000-0x0000000005A36000-memory.dmp
    Filesize

    408KB

  • memory/1748-81-0x0000000007140000-0x00000000071E3000-memory.dmp
    Filesize

    652KB

  • memory/1748-147-0x0000000007690000-0x00000000076A4000-memory.dmp
    Filesize

    80KB

  • memory/2624-8-0x0000000005D20000-0x0000000005D2A000-memory.dmp
    Filesize

    40KB

  • memory/2624-5-0x0000000004B20000-0x0000000004B2A000-memory.dmp
    Filesize

    40KB

  • memory/2624-51-0x0000000074540000-0x0000000074CF0000-memory.dmp
    Filesize

    7.7MB

  • memory/2624-6-0x00000000067E0000-0x0000000006BBA000-memory.dmp
    Filesize

    3.9MB

  • memory/2624-4-0x0000000004CF0000-0x0000000004D00000-memory.dmp
    Filesize

    64KB

  • memory/2624-3-0x0000000004B50000-0x0000000004BE2000-memory.dmp
    Filesize

    584KB

  • memory/2624-7-0x0000000006590000-0x00000000065A4000-memory.dmp
    Filesize

    80KB

  • memory/2624-2-0x0000000005060000-0x0000000005604000-memory.dmp
    Filesize

    5.6MB

  • memory/2624-9-0x0000000005D40000-0x0000000005D4E000-memory.dmp
    Filesize

    56KB

  • memory/2624-0-0x0000000074540000-0x0000000074CF0000-memory.dmp
    Filesize

    7.7MB

  • memory/2624-1-0x0000000000080000-0x0000000000110000-memory.dmp
    Filesize

    576KB

  • memory/2624-11-0x0000000005FF0000-0x000000000608C000-memory.dmp
    Filesize

    624KB

  • memory/2624-10-0x0000000005D70000-0x0000000005DD4000-memory.dmp
    Filesize

    400KB

  • memory/3556-18-0x0000000004E50000-0x0000000005478000-memory.dmp
    Filesize

    6.2MB

  • memory/3556-144-0x0000000007320000-0x00000000073B6000-memory.dmp
    Filesize

    600KB

  • memory/3556-58-0x000000007F610000-0x000000007F620000-memory.dmp
    Filesize

    64KB

  • memory/3556-83-0x00000000070A0000-0x00000000070BA000-memory.dmp
    Filesize

    104KB

  • memory/3556-84-0x0000000007110000-0x000000000711A000-memory.dmp
    Filesize

    40KB

  • memory/3556-60-0x00000000709C0000-0x0000000070A0C000-memory.dmp
    Filesize

    304KB

  • memory/3556-56-0x0000000004810000-0x0000000004820000-memory.dmp
    Filesize

    64KB

  • memory/3556-54-0x0000000005DB0000-0x0000000005DFC000-memory.dmp
    Filesize

    304KB

  • memory/3556-53-0x0000000005D90000-0x0000000005DAE000-memory.dmp
    Filesize

    120KB

  • memory/3556-80-0x0000000006350000-0x000000000636E000-memory.dmp
    Filesize

    120KB

  • memory/3556-19-0x0000000074540000-0x0000000074CF0000-memory.dmp
    Filesize

    7.7MB

  • memory/3556-155-0x0000000074540000-0x0000000074CF0000-memory.dmp
    Filesize

    7.7MB

  • memory/3556-21-0x0000000004810000-0x0000000004820000-memory.dmp
    Filesize

    64KB

  • memory/3556-26-0x0000000005480000-0x00000000054E6000-memory.dmp
    Filesize

    408KB

  • memory/3556-25-0x0000000004DA0000-0x0000000004DC2000-memory.dmp
    Filesize

    136KB

  • memory/3556-20-0x0000000004810000-0x0000000004820000-memory.dmp
    Filesize

    64KB

  • memory/3980-46-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3980-50-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3980-52-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3980-205-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB