Analysis

  • max time kernel
    150s
  • max time network
    145s
  • 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 10:00

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:1492
    • 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:1208
    • 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:1584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rXIDQtjAOLGqpl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD47.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3092
    • 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:3560
      • 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:752
        • C:\Windows\SysWOW64\timeout.exe
          C:\Windows\system32\timeout.exe 3
          4⤵
          • Delays execution with timeout.exe
          PID:4940
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3884 --field-trial-handle=2272,i,17338911640954948469,1637568328132129119,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:856

    Network

    MITRE ATT&CK Enterprise v15

    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

      fbdf39979f8244918b2813f32e4bbd5f

      SHA1

      6a028ce2bc73bd95db7e1d613a666dc9fd8684a5

      SHA256

      6f8c729fecbd1655f69d3fab05bb0a53feeee50b95a9e0c18c214d8eab4036a2

      SHA512

      fd34025d2f8968a8e7cf604f0c4431cff6f593d6b499c5444ac9c13754702f929894f5c1c4fbabd07e2ed12a6007c635002df37ae50143dd0b609bd1f6f7e164

    • C:\Users\Admin\AppData\Local\Temp\F92D5FAD\mozglue.dll

      Filesize

      135KB

      MD5

      9e682f1eb98a9d41468fc3e50f907635

      SHA1

      85e0ceca36f657ddf6547aa0744f0855a27527ee

      SHA256

      830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

      SHA512

      230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

    • C:\Users\Admin\AppData\Local\Temp\F92D5FAD\msvcp140.dll

      Filesize

      429KB

      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • C:\Users\Admin\AppData\Local\Temp\F92D5FAD\nss3.dll

      Filesize

      1.2MB

      MD5

      556ea09421a0f74d31c4c0a89a70dc23

      SHA1

      f739ba9b548ee64b13eb434a3130406d23f836e3

      SHA256

      f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

      SHA512

      2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

    • C:\Users\Admin\AppData\Local\Temp\F92D5FAD\vcruntime140.dll

      Filesize

      81KB

      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tjj0sr2y.tfn.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpAD47.tmp

      Filesize

      1KB

      MD5

      6b3dd1ba4f870f37cc5a6980802c0d1c

      SHA1

      1c04ca0a99b3de9ba8297b11ff57146b9402f679

      SHA256

      88e0f8ba15424b911fd08629dbfae00068b161890aba5eccaf9435e969281b0e

      SHA512

      8336bc26b87cc727811f89137348e4a4cf160874bc35715121a9b0df7206ae8825aa7db71d41236dc7bcc6d113b263dea907ef29cc2b809741c0d87661ee1bf7

    • memory/1208-16-0x0000000000E10000-0x0000000000E46000-memory.dmp

      Filesize

      216KB

    • memory/1208-22-0x0000000000E60000-0x0000000000E70000-memory.dmp

      Filesize

      64KB

    • memory/1208-53-0x0000000005BE0000-0x0000000005BFE000-memory.dmp

      Filesize

      120KB

    • memory/1208-128-0x0000000006E10000-0x0000000006EB3000-memory.dmp

      Filesize

      652KB

    • memory/1208-127-0x0000000006150000-0x000000000616E000-memory.dmp

      Filesize

      120KB

    • memory/1208-18-0x0000000004EE0000-0x0000000005508000-memory.dmp

      Filesize

      6.2MB

    • memory/1208-155-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/1208-17-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/1208-114-0x0000000000E60000-0x0000000000E70000-memory.dmp

      Filesize

      64KB

    • memory/1208-117-0x0000000070080000-0x00000000700CC000-memory.dmp

      Filesize

      304KB

    • memory/1208-21-0x0000000000E60000-0x0000000000E70000-memory.dmp

      Filesize

      64KB

    • memory/1208-115-0x000000007F5B0000-0x000000007F5C0000-memory.dmp

      Filesize

      64KB

    • memory/1208-116-0x00000000061F0000-0x0000000006222000-memory.dmp

      Filesize

      200KB

    • memory/1208-148-0x0000000007200000-0x0000000007208000-memory.dmp

      Filesize

      32KB

    • memory/1208-24-0x0000000004C70000-0x0000000004C92000-memory.dmp

      Filesize

      136KB

    • memory/1208-143-0x0000000007160000-0x00000000071F6000-memory.dmp

      Filesize

      600KB

    • memory/1208-142-0x0000000006F50000-0x0000000006F5A000-memory.dmp

      Filesize

      40KB

    • memory/1208-140-0x0000000007540000-0x0000000007BBA000-memory.dmp

      Filesize

      6.5MB

    • memory/1492-9-0x0000000006250000-0x000000000625E000-memory.dmp

      Filesize

      56KB

    • memory/1492-0-0x0000000000570000-0x0000000000600000-memory.dmp

      Filesize

      576KB

    • memory/1492-51-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/1492-11-0x0000000006500000-0x000000000659C000-memory.dmp

      Filesize

      624KB

    • memory/1492-10-0x0000000006280000-0x00000000062E4000-memory.dmp

      Filesize

      400KB

    • memory/1492-8-0x0000000006230000-0x000000000623A000-memory.dmp

      Filesize

      40KB

    • memory/1492-7-0x0000000006A80000-0x0000000006A94000-memory.dmp

      Filesize

      80KB

    • memory/1492-6-0x0000000006CE0000-0x00000000070BA000-memory.dmp

      Filesize

      3.9MB

    • memory/1492-5-0x00000000050A0000-0x00000000050AA000-memory.dmp

      Filesize

      40KB

    • memory/1492-4-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/1492-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

      Filesize

      584KB

    • memory/1492-2-0x0000000005670000-0x0000000005C14000-memory.dmp

      Filesize

      5.6MB

    • memory/1492-1-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/1584-46-0x0000000005EE0000-0x0000000006234000-memory.dmp

      Filesize

      3.3MB

    • memory/1584-27-0x0000000005BF0000-0x0000000005C56000-memory.dmp

      Filesize

      408KB

    • memory/1584-154-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/1584-129-0x000000007F390000-0x000000007F3A0000-memory.dmp

      Filesize

      64KB

    • memory/1584-130-0x0000000070080000-0x00000000700CC000-memory.dmp

      Filesize

      304KB

    • memory/1584-19-0x0000000002BF0000-0x0000000002C00000-memory.dmp

      Filesize

      64KB

    • memory/1584-141-0x0000000007810000-0x000000000782A000-memory.dmp

      Filesize

      104KB

    • memory/1584-29-0x0000000005E60000-0x0000000005EC6000-memory.dmp

      Filesize

      408KB

    • memory/1584-20-0x0000000002BF0000-0x0000000002C00000-memory.dmp

      Filesize

      64KB

    • memory/1584-144-0x0000000007A10000-0x0000000007A21000-memory.dmp

      Filesize

      68KB

    • memory/1584-145-0x0000000007A40000-0x0000000007A4E000-memory.dmp

      Filesize

      56KB

    • memory/1584-146-0x0000000007A50000-0x0000000007A64000-memory.dmp

      Filesize

      80KB

    • memory/1584-147-0x0000000007B50000-0x0000000007B6A000-memory.dmp

      Filesize

      104KB

    • memory/1584-54-0x00000000065A0000-0x00000000065EC000-memory.dmp

      Filesize

      304KB

    • memory/1584-25-0x0000000074650000-0x0000000074E00000-memory.dmp

      Filesize

      7.7MB

    • memory/3560-26-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3560-30-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3560-52-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3560-204-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB