Analysis

  • max time kernel
    141s
  • 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
    23-12-2024 19:43

General

  • Target

    install.msi

  • Size

    1.9MB

  • MD5

    bdc8b7229eaa7473c25a37f08ba79189

  • SHA1

    9699c8b0f0235bae5285a80b3e3b8c447d2aad0c

  • SHA256

    7b939d1d59b370c836fea6703a254127de36ac0259538809535bb136b6725c72

  • SHA512

    1332bfad5da5c8fce17cf374ff1012831744e3e69cea4b87607eb9dc95b6ebc51c91a6766ee186d5ee8a5e027111ec74a644bd470fb891c60240239f727b3e17

  • SSDEEP

    24576:kt9cpVDhI6DDys5Rtmi/Bt3O79TqszKlGEa7vFLf2nxh7H7mGV:jpRhFnywtmABg7Qm+GlDFLfax17m

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\install.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4484
  • 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:436
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4568
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D0A997571B1EC2582828FDCA91E3B994
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-16b2a6d1-0696-4981-8a9b-230e55df2b00\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:4940
      • 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:1824
      • C:\Users\Admin\AppData\Local\Temp\MW-16b2a6d1-0696-4981-8a9b-230e55df2b00\files\install.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-16b2a6d1-0696-4981-8a9b-230e55df2b00\files\install.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4040
        • 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:4472
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:3880
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-16b2a6d1-0696-4981-8a9b-230e55df2b00\files.cab

    Filesize

    1.6MB

    MD5

    dde33cc7bc57e73262a9587e6fd2c73b

    SHA1

    429a01f8dd68c1d46f32a3a13e4b5051803139a3

    SHA256

    3fb44f2533de3106494be7f12fb2a7f3fe9453384385e5b2d489788dbc150bab

    SHA512

    31f0d86a3638341e40f949cf9f386abe843afa3a04abe36ac26071b63507a5c19fcc54f594cc280bc1969bed7879163324477027bff0f1a68e5ef09f27b60d66

  • C:\Users\Admin\AppData\Local\Temp\MW-16b2a6d1-0696-4981-8a9b-230e55df2b00\msiwrapper.ini

    Filesize

    1KB

    MD5

    64f6576f2193d8f0f8df45e46364397b

    SHA1

    37eb01cc7631b25e1e326b5e32d9945861c441cc

    SHA256

    f6d0a6112b7ff0d4048c4ab54d4f7ffdc54fff3cbb0d028842f6993f5b0c8ad6

    SHA512

    be2098d6af751745a4a924525c17b9d65fde6e37b8aecb6adcf39ddbca77e95462e33eedee90a9166ff4fa7ef0ad85aedae4660081d7f5645ee07ab499c26533

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xjt0mwfg.alw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSID457.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    24.1MB

    MD5

    646613405bcd86d6f3f9c401acb587cb

    SHA1

    25a0dcf370e283f581dec92054d60a9bff464dbb

    SHA256

    b39898918b36975ca53a73f615bce69b3e47a9af7b688892791c1a7b16883d90

    SHA512

    c36723a8287d64891446aaae37afebd27519b710dd7b6c25a05fe405bcc5f97c02b9ebcf2cce0567682e3a1267c4da9d6e3aa0e3be6c493b4c361f7b47f05b42

  • \??\Volume{62c5c1e3-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{347f37b7-62fb-4ea7-957c-ee8a01742fec}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    781e13d7a62cfabaf6239906a6704688

    SHA1

    bab4f64d90ba9188026b779376b5656ad8d288c3

    SHA256

    91fd68a77c924a8202655a5d5033e3ef87481a0f20ac908178c6b786961ecd00

    SHA512

    69b93f5b93fdd935eae6f0aac039c6c69226f48aab04b15ef67e70ff853419c11a593e294856cb941ec145f70609df9ff03a1fedba470cc5bd1953b3f8b265eb

  • memory/4040-76-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB

  • memory/4472-96-0x00000000068E0000-0x000000000692C000-memory.dmp

    Filesize

    304KB

  • memory/4472-109-0x0000000007AB0000-0x0000000007B53000-memory.dmp

    Filesize

    652KB

  • memory/4472-83-0x0000000006240000-0x00000000062A6000-memory.dmp

    Filesize

    408KB

  • memory/4472-84-0x00000000062B0000-0x0000000006316000-memory.dmp

    Filesize

    408KB

  • memory/4472-81-0x0000000005C10000-0x0000000006238000-memory.dmp

    Filesize

    6.2MB

  • memory/4472-94-0x0000000006320000-0x0000000006674000-memory.dmp

    Filesize

    3.3MB

  • memory/4472-95-0x00000000068C0000-0x00000000068DE000-memory.dmp

    Filesize

    120KB

  • memory/4472-80-0x0000000002F90000-0x0000000002FC6000-memory.dmp

    Filesize

    216KB

  • memory/4472-97-0x0000000007A70000-0x0000000007AA2000-memory.dmp

    Filesize

    200KB

  • memory/4472-98-0x000000006F3A0000-0x000000006F3EC000-memory.dmp

    Filesize

    304KB

  • memory/4472-108-0x0000000006E80000-0x0000000006E9E000-memory.dmp

    Filesize

    120KB

  • memory/4472-82-0x0000000005910000-0x0000000005932000-memory.dmp

    Filesize

    136KB

  • memory/4472-111-0x0000000008220000-0x000000000889A000-memory.dmp

    Filesize

    6.5MB

  • memory/4472-112-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

    Filesize

    104KB

  • memory/4472-113-0x0000000007C40000-0x0000000007C4A000-memory.dmp

    Filesize

    40KB

  • memory/4472-114-0x0000000007E70000-0x0000000007F06000-memory.dmp

    Filesize

    600KB

  • memory/4472-115-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

    Filesize

    68KB

  • memory/4472-116-0x0000000007E10000-0x0000000007E1E000-memory.dmp

    Filesize

    56KB

  • memory/4472-117-0x0000000007E20000-0x0000000007E34000-memory.dmp

    Filesize

    80KB

  • memory/4472-118-0x0000000007F30000-0x0000000007F4A000-memory.dmp

    Filesize

    104KB

  • memory/4472-119-0x0000000007E60000-0x0000000007E68000-memory.dmp

    Filesize

    32KB