Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 08:55

General

  • Target

    install.msi

  • Size

    1.9MB

  • MD5

    911c7c676d8457767ff6d69ecefa1d79

  • SHA1

    d63ccdb60cd4db63a9ecca34b2e7120571df8a8e

  • SHA256

    b2332c274a55abe231d044ad4e3e64dd37bf3200314c209d5a91ff8ee800cc54

  • SHA512

    503b854ab1f40cb8790393650d9ae32a2e1c3785e0c0aa68d35ca9ca2fcdf52815f1465029f7888b967d5c2d08060ecdce069c1cabaef013f17e1988ffbb9742

  • SSDEEP

    24576:1t9cpVDh46APmqtgPOvmoQVFVwhajkD6lbTOz0H:KpRhV9qtgGBQD28AOTGK

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:2872
  • 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:2876
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2376
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 92E14B17DE52F6AC66D045335C4EFB05
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-b8c002e4-4066-4cd1-9c15-e87a11ceedb8\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2452
      • 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:632
      • C:\Users\Admin\AppData\Local\Temp\MW-b8c002e4-4066-4cd1-9c15-e87a11ceedb8\files\install.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-b8c002e4-4066-4cd1-9c15-e87a11ceedb8\files\install.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4056
        • 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:2960
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:392
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-b8c002e4-4066-4cd1-9c15-e87a11ceedb8\files.cab

    Filesize

    1.6MB

    MD5

    99e7d8d9b0e89b408e27e49c80de5923

    SHA1

    180428134b266951fb0eaa9d359c886132707d8b

    SHA256

    a41a2a085b81f2b39d739b3ff75d5ccbb7b8ff4c21b03caec3ca8a721fd158f7

    SHA512

    895fb9f72055a36bc85dfda6911f9b0ae27ef480aed1e24a7ee7ceeb27df887bb7b8c750796f1e18c2b0a5bebb3bcd400546cc5355450fb8d5d88f3a839c3a17

  • C:\Users\Admin\AppData\Local\Temp\MW-b8c002e4-4066-4cd1-9c15-e87a11ceedb8\msiwrapper.ini

    Filesize

    1KB

    MD5

    55e8b4cfcbd4c92453fc7e3f48c262d4

    SHA1

    66f38b674fc6f826da71cfc2b285431bfdf7bfd1

    SHA256

    16c2ed32a9d92f8d4a970154438c876e0d86d21eda6938dbb16e1e4f596b049b

    SHA512

    2f3fff14833e18ac057414b4c855ff59c0d5bf55f7de13385c7851d4fbf7ffe93acc5c9ad45a2192f86e2e25dcd9d07708eb428284ca6bb9142b37e6669ae04a

  • C:\Users\Admin\AppData\Local\Temp\MW-b8c002e4-4066-4cd1-9c15-e87a11ceedb8\msiwrapper.ini

    Filesize

    1KB

    MD5

    dab12f5890d60b2dada8fe300cef25cd

    SHA1

    15592a112bc5d3cc4667e1edfd6168b94ad95f5f

    SHA256

    f8e5937551dd228b0de951dd672cd832831e7b9ecbeee85fa6ba5ea3391e8039

    SHA512

    4246e5ba98d5b62d94e2b4df8e1c130b6b733e63ea4ef4b441a6b60362b73cb2de475357c6b1d0c4a44b8f90746a0a92f2800065e88c39d95aa80a4e371ff25d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mmt5iysr.cpj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSIB0D1.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    24.1MB

    MD5

    cff82281503788541243658511944cbd

    SHA1

    016db83eb3190b22c8d8f326f3f7694ca8882427

    SHA256

    76b70e1116a860971e30bd546ba3b4050abcd044337906bbfc498f6afcfdbe28

    SHA512

    ea56875642b491219ae92cd684d03759002c1f58e75d3b7d92af4a73cac64a0ab45d0a6efa5bd3227482c1b13ecd7759bf73f78d17f7332df6315d10124a99c3

  • \??\Volume{ff55ba41-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{309ee6a7-d4c2-4e1b-9a33-ca09a2f16944}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    416a80ec91a75e7f76da938fec6f7f89

    SHA1

    d5afa7f89062c33b70679b14f36743fcad92d57f

    SHA256

    90d91241b271a5fc93488a101164bbb053943cb7df91152de90f9e3d2fe4112e

    SHA512

    d49feba842622da8dd3ed8a4053ca7fb5e1e1c8aa672be2ec90c5ae5c99ffd3e12d2b4318e6e65d3c701033f2e1ff43ce1970cbb2fdb85346e28bf7492905ed3

  • memory/2960-96-0x0000000006820000-0x000000000683E000-memory.dmp

    Filesize

    120KB

  • memory/2960-109-0x0000000007A10000-0x0000000007A2E000-memory.dmp

    Filesize

    120KB

  • memory/2960-82-0x0000000005910000-0x0000000005932000-memory.dmp

    Filesize

    136KB

  • memory/2960-84-0x0000000005A80000-0x0000000005AE6000-memory.dmp

    Filesize

    408KB

  • memory/2960-85-0x00000000061A0000-0x0000000006206000-memory.dmp

    Filesize

    408KB

  • memory/2960-80-0x0000000002E80000-0x0000000002EB6000-memory.dmp

    Filesize

    216KB

  • memory/2960-95-0x0000000006210000-0x0000000006564000-memory.dmp

    Filesize

    3.3MB

  • memory/2960-119-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

    Filesize

    32KB

  • memory/2960-97-0x0000000006870000-0x00000000068BC000-memory.dmp

    Filesize

    304KB

  • memory/2960-98-0x0000000006E10000-0x0000000006E42000-memory.dmp

    Filesize

    200KB

  • memory/2960-99-0x000000006F0A0000-0x000000006F0EC000-memory.dmp

    Filesize

    304KB

  • memory/2960-81-0x0000000005B00000-0x0000000006128000-memory.dmp

    Filesize

    6.2MB

  • memory/2960-110-0x0000000007A30000-0x0000000007AD3000-memory.dmp

    Filesize

    652KB

  • memory/2960-111-0x00000000081C0000-0x000000000883A000-memory.dmp

    Filesize

    6.5MB

  • memory/2960-112-0x0000000007B60000-0x0000000007B7A000-memory.dmp

    Filesize

    104KB

  • memory/2960-113-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

    Filesize

    40KB

  • memory/2960-114-0x0000000007DF0000-0x0000000007E86000-memory.dmp

    Filesize

    600KB

  • memory/2960-115-0x0000000007D60000-0x0000000007D71000-memory.dmp

    Filesize

    68KB

  • memory/2960-116-0x0000000007D90000-0x0000000007D9E000-memory.dmp

    Filesize

    56KB

  • memory/2960-117-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

    Filesize

    80KB

  • memory/2960-118-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

    Filesize

    104KB

  • memory/4056-75-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB