Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 10:43

General

  • Target

    setup_x64.msi

  • Size

    2.1MB

  • MD5

    c8c7e377611b06bf98d17c846945df3c

  • SHA1

    92294a125dd1e8c3f69e5bfcf454f980f15ddb9f

  • SHA256

    f8edc2c21a5e5ff3c91eb85ce8f706c1cc655e7c940e99d046e400932f8d6183

  • SHA512

    97f19b47957d19eac2585945d32807df717f49012fb8cb39246212292258600971e510bf44e9fee29e55d84545056ac07b6b6a43ace2b8ad4bb7f1769eb3a7ca

  • SSDEEP

    24576:Nt9cpVDhR6OeHFz/HwREEg6ZITAf3o8MNIxKlq8N5CRMaeMD5G3XGk+A:CpRhwOYDwuEgII/Nj7N5TrMFG3Xd

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 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\setup_x64.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2448
  • 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:2320
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E9D76324D90003E1575DD93CB151DCF8
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-c245b36e-4f82-45eb-8c71-1d241ccb0d0b\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2988
      • 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:2212
      • C:\Users\Admin\AppData\Local\Temp\MW-c245b36e-4f82-45eb-8c71-1d241ccb0d0b\files\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-c245b36e-4f82-45eb-8c71-1d241ccb0d0b\files\setup.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1880
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\search.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1784
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:1636
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2568
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004C8" "00000000000003D4"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-c245b36e-4f82-45eb-8c71-1d241ccb0d0b\files.cab

    Filesize

    1.8MB

    MD5

    c938fe0076583b3216934adf74b983e9

    SHA1

    efcea2278fe2a4ab891c604db4cba3e919fd31c3

    SHA256

    27c95e758b3c590c16e36e7ddf57e9c6c5e66d52ad7bc7b710f038b3777a18bf

    SHA512

    68de0882ea8e022218e9a21d375f0c4e28cd7ca3a54f7f8162fad917e2e505c6ffae0f4a1b029b5bf6ce68ea76f78ebbd5f33abcf93893a43912cb3c9ff479f4

  • C:\Users\Admin\AppData\Local\Temp\MW-c245b36e-4f82-45eb-8c71-1d241ccb0d0b\msiwrapper.ini

    Filesize

    382B

    MD5

    333039140fd32c5c6254a3c97342efc2

    SHA1

    738844009c38e474302e353b4388d7c8f646151a

    SHA256

    a61adb44d258f02485e045c174e5be2e94dd4be4dc98eef61b7c4cd670dccf8d

    SHA512

    75ac20eac90dfb94e497da91a9e685f3dcf5a2d85c6ced869350b553be41f7a1d32784f35b785eb4a861126919d404aa34d390d1115482af1de1b48d937780a2

  • C:\Users\Admin\AppData\Local\Temp\MW-c245b36e-4f82-45eb-8c71-1d241ccb0d0b\msiwrapper.ini

    Filesize

    1KB

    MD5

    1bb8894999bfbb0be7e0c0d207223e41

    SHA1

    e361ec082d60326e7d8f12fc7483602987931e69

    SHA256

    0e1706e92730df3a25e1d069c605cfaed7f72dc37d9414c7219721f414c8890f

    SHA512

    eaa2fd30f362bc515911d4c3a8cf8fca2a375e8938fbbd4355ce26e2c4990f1e9177959100169993fdde5e392e86f4e57b3f5c08de5d6f7d84a3aa959928fffb

  • C:\Users\Admin\AppData\Local\Temp\MW-c245b36e-4f82-45eb-8c71-1d241ccb0d0b\msiwrapper.ini

    Filesize

    1KB

    MD5

    386d68bae99ca28ce3f1c504a072c2de

    SHA1

    9cc59182e5fa5f9e7526eb1be50e16e17503dece

    SHA256

    88902d42388eaab5425654cfa02a84876a702ff93de337c9ce672aac94ac73a0

    SHA512

    f999b0749ca054dccb92e4452ea31483af0de67f93d6a7b2e93c1c72d5aec79dab4827d290447a485609047ddd1c3bf9d3c6d41a59c2355379786c1b0383381a

  • C:\Windows\Installer\MSID568.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • memory/1880-83-0x0000000010000000-0x0000000010738000-memory.dmp

    Filesize

    7.2MB