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Analysis

  • max time kernel
    136s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    13/12/2024, 02:39

General

  • Target

    66d7083b0c8f714aaa89bf29eaf6b26f8fbde249948401d777f75c99865a9ae3.msi

  • Size

    1.6MB

  • MD5

    ebf9aec610ffb1a4cf2bc72722d2b7aa

  • SHA1

    c59e7409eba5429321b9f1741db9336dcdf6897d

  • SHA256

    66d7083b0c8f714aaa89bf29eaf6b26f8fbde249948401d777f75c99865a9ae3

  • SHA512

    13d3ea3fc2f554c08c790b25f145d58c75a14f364956de706c42d01bac6abfcff262156ddac36038504551f32ab9d26155a1a82d7edb494ade29a7b67276a1b9

  • SSDEEP

    24576:ot9cpVDhRd1f12r17ik1lsqDR0J6KHPqmH4zDyON9PKh7lLjm:HpRhRT92r1+maq9e6KvqBzt9PKl

Malware Config

Extracted

Family

metastealer

C2

kiyaqoimsiieeyqa.xyz

ssqsmisuowqcwsqo.xyz

ykqmwgsuummieaug.xyz

ewukeskgqswqesiw.xyz

cscqcsgewmwwaaui.xyz

cyoksykiamiscyia.xyz

okgomokemoucqeso.xyz

ikwacuakiqeimwua.xyz

aawcsqqaywckiwmi.xyz

aiqasksgmyeqocei.xyz

qgumcuisgaeyuqqe.xyz

eiesoycamyqqgcea.xyz

ywceswakicsqomqw.xyz

auaieuewouawygku.xyz

cmiascusccywowcs.xyz

uiqkkomkaceqacec.xyz

quqeciymqmkqccqw.xyz

ssqsauuuyyigouou.xyz

aogaakukuugqswcy.xyz

ucgwcwsuqsuwewgc.xyz

Attributes
  • dga_seed

    21845

  • domain_length

    16

  • num_dga_domains

    10000

  • port

    443

Signatures

  • Meta Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

  • MetaStealer payload 1 IoCs
  • Metastealer family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Modifies file permissions 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\66d7083b0c8f714aaa89bf29eaf6b26f8fbde249948401d777f75c99865a9ae3.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2748
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E9D0E133B7B1F0C024D015B603178620
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-4395dd5e-eead-4275-914c-e89a8f0492f9\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1664
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:1828
      • C:\Users\Admin\AppData\Local\Temp\MW-4395dd5e-eead-4275-914c-e89a8f0492f9\files\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-4395dd5e-eead-4275-914c-e89a8f0492f9\files\setup.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\systemtask.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1592
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:968
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2728
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000328" "00000000000003AC"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-4395dd5e-eead-4275-914c-e89a8f0492f9\files.cab

    Filesize

    1.3MB

    MD5

    fa946fbc8adb45ff63876866dfc4baf4

    SHA1

    9bc31fe8598eb0922c81429338421dca5d4876c7

    SHA256

    17e2b8de9ef45ad708adeeee5a98ca753751e2e7ecfe83c53dda44d6e04e354a

    SHA512

    c5ab6b90e761c50c04d88e18e84cc1978eec5dabfaaca0b3e909b286001297bd7c3ad651a3a2b9f3071d61b94db54be0810bb91f5d6d2d0ef0cae9152171f4b3

  • C:\Users\Admin\AppData\Local\Temp\MW-4395dd5e-eead-4275-914c-e89a8f0492f9\msiwrapper.ini

    Filesize

    380B

    MD5

    79d77715ec83d466313eafdc0071b9ee

    SHA1

    b219b90db0337f0557bc1180ae8e769a678dc510

    SHA256

    252399fefbc5252587605ff0bbf7b3a6dbb5fc2043abae19237c832d2c1643c5

    SHA512

    edbb7f42b8084ee73468542cb6dc644d6ae499ad93cd458e8e59e721d5b0c0ead890809cf5c87c02ed34f34a25b1a8bb919df26988b0b7fa01d3a3700a0e978c

  • C:\Users\Admin\AppData\Local\Temp\MW-4395dd5e-eead-4275-914c-e89a8f0492f9\msiwrapper.ini

    Filesize

    1KB

    MD5

    30262a8ce2dfe0b90590eb3e556a670b

    SHA1

    6b6c81703b2c09e79315d1a35ba7fce15fca90c2

    SHA256

    addda82d21ebdef1af82d92d3e669dc8d41a1b68d1cae5d1ab06582d347e0072

    SHA512

    2910a15aef17cd79885b02df0939f92d60e7038e41bf97d1cc8c15995692396f23d9ec73852e8f5938729a6a02d96b6243959ea625f5d24ba05eb48a4edd4bd2

  • C:\Users\Admin\AppData\Local\Temp\MW-4395dd5e-eead-4275-914c-e89a8f0492f9\msiwrapper.ini

    Filesize

    1KB

    MD5

    1ac2d055a287a0168af6fc37c0728756

    SHA1

    bcad9c1f2a51c0009a6734123ab5946ee1219ce6

    SHA256

    77b70788d88cd3ddb164100b35d26a68ec0c93d23e5902a194e075f3c1df5eea

    SHA512

    a2954c25b066bdf3e36be7a43a55ab102091310a6d5fa99fc11a468bb594ffb5e621d0d409f03193c1f9db48d0909cdbe5564ae238627c1d3094dfcde0bec228

  • C:\Windows\Installer\MSI1258.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • memory/1200-80-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB