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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2024, 02:34

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 Windows directory 9 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 20 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:2656
  • 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:5032
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1056
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8EBDB4D59E28CEE48E0DD3DBCCBEDA43
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-7e341158-ee9d-4f32-8c5b-211b178d0c97\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3916
      • 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:4972
      • C:\Users\Admin\AppData\Local\Temp\MW-7e341158-ee9d-4f32-8c5b-211b178d0c97\files\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-7e341158-ee9d-4f32-8c5b-211b178d0c97\files\setup.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3144
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4524
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:4424
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-7e341158-ee9d-4f32-8c5b-211b178d0c97\files.cab

    Filesize

    1.3MB

    MD5

    fa946fbc8adb45ff63876866dfc4baf4

    SHA1

    9bc31fe8598eb0922c81429338421dca5d4876c7

    SHA256

    17e2b8de9ef45ad708adeeee5a98ca753751e2e7ecfe83c53dda44d6e04e354a

    SHA512

    c5ab6b90e761c50c04d88e18e84cc1978eec5dabfaaca0b3e909b286001297bd7c3ad651a3a2b9f3071d61b94db54be0810bb91f5d6d2d0ef0cae9152171f4b3

  • C:\Users\Admin\AppData\Local\Temp\MW-7e341158-ee9d-4f32-8c5b-211b178d0c97\msiwrapper.ini

    Filesize

    1KB

    MD5

    fcef60aa251a3af9f270740e600c7baf

    SHA1

    f1bec7e744b6cf011a9684c1504acbe55e20817d

    SHA256

    7b12e2e86b4a8ede99cc429fc8c2e4b85fbcaf2ea4ab5e77d5816736ce21a30c

    SHA512

    5946d1d37306f04adc6820b6c82320cd47e581760ca4d5543d83ca7b1ac866b3dfeb27fa30461a9b26eeae9b145fa61a1f90386a78d3cfc1d2dd904a963c10ac

  • C:\Users\Admin\AppData\Local\Temp\MW-7e341158-ee9d-4f32-8c5b-211b178d0c97\msiwrapper.ini

    Filesize

    1KB

    MD5

    c2bcad509ceb1f8134aacafa89e3f51f

    SHA1

    a467b26149ce6faa073e094a238286d4ec84d31f

    SHA256

    9d876a53a213d0efca8b628b8388db35f695fd129a9d5f93f264343b0cde93f4

    SHA512

    c5ce92c6a355ee9fab547b63cb463eee3449e67179cc8cd904b881e730f8a5452379d4deadb361b9d0c51098e25a668e57353589a0538437f074dc98551153d4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qe2dgry1.r2i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSICF08.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

    Filesize

    24.1MB

    MD5

    ec3e2af7637668099f14d6e84fd93bd1

    SHA1

    66efb5ee95698f677979d7d38b5dfe9c461708bd

    SHA256

    223c3e3846cd875ff1e242290f9d41b60f427f797279bb6d72a803a92a479196

    SHA512

    53339ac3a0032de1e75f2b3627dc1083788c2b485817e1add1b2e179ecb3f0e25351520c18365a3e238a40720cb4f66aba4ce5270d6de3dd3406d36fd16e627f

  • \??\Volume{f9c79713-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{5c4d3fdc-7ada-4caf-adf3-55f8487e5512}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    5e19eec4854231c9f0f5eb8e3cafd994

    SHA1

    78a4d13352797a05f93b4bd03c0de96872434d05

    SHA256

    d6f32a110f55b33a61622af6e993cbf176da5c2ae24244fcde8e69011f88cb1f

    SHA512

    f55d816a04bc9a0900455434184f08f652c587359b91707a2a231c5b82038d3eed212cd7f5cccdb56bcde35d765905ed68eb285844e3b8454a66f6f73f70f74e

  • memory/3144-76-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB

  • memory/4524-96-0x0000000006910000-0x000000000692E000-memory.dmp

    Filesize

    120KB

  • memory/4524-110-0x0000000007B60000-0x0000000007C03000-memory.dmp

    Filesize

    652KB

  • memory/4524-84-0x00000000061D0000-0x0000000006236000-memory.dmp

    Filesize

    408KB

  • memory/4524-85-0x0000000006240000-0x00000000062A6000-memory.dmp

    Filesize

    408KB

  • memory/4524-81-0x0000000005970000-0x0000000005F98000-memory.dmp

    Filesize

    6.2MB

  • memory/4524-95-0x00000000062B0000-0x0000000006604000-memory.dmp

    Filesize

    3.3MB

  • memory/4524-80-0x0000000002F80000-0x0000000002FB6000-memory.dmp

    Filesize

    216KB

  • memory/4524-97-0x0000000006940000-0x000000000698C000-memory.dmp

    Filesize

    304KB

  • memory/4524-98-0x0000000007920000-0x0000000007952000-memory.dmp

    Filesize

    200KB

  • memory/4524-99-0x000000006EAE0000-0x000000006EB2C000-memory.dmp

    Filesize

    304KB

  • memory/4524-109-0x0000000006EE0000-0x0000000006EFE000-memory.dmp

    Filesize

    120KB

  • memory/4524-83-0x00000000058D0000-0x00000000058F2000-memory.dmp

    Filesize

    136KB

  • memory/4524-111-0x0000000008290000-0x000000000890A000-memory.dmp

    Filesize

    6.5MB

  • memory/4524-112-0x0000000007C40000-0x0000000007C5A000-memory.dmp

    Filesize

    104KB

  • memory/4524-113-0x0000000007CA0000-0x0000000007CAA000-memory.dmp

    Filesize

    40KB

  • memory/4524-114-0x0000000007ED0000-0x0000000007F66000-memory.dmp

    Filesize

    600KB

  • memory/4524-115-0x0000000007E40000-0x0000000007E51000-memory.dmp

    Filesize

    68KB

  • memory/4524-116-0x0000000007E70000-0x0000000007E7E000-memory.dmp

    Filesize

    56KB

  • memory/4524-117-0x0000000007E80000-0x0000000007E94000-memory.dmp

    Filesize

    80KB

  • memory/4524-118-0x0000000007F90000-0x0000000007FAA000-memory.dmp

    Filesize

    104KB

  • memory/4524-119-0x0000000007EC0000-0x0000000007EC8000-memory.dmp

    Filesize

    32KB