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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, 02:39

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 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:4936
  • 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:2332
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4564
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding CF68E1A52594B02FC3976971CEED04F8
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-4086182d-42d9-4b82-a9db-3916f4583b6f\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:4064
      • 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:736
      • C:\Users\Admin\AppData\Local\Temp\MW-4086182d-42d9-4b82-a9db-3916f4583b6f\files\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-4086182d-42d9-4b82-a9db-3916f4583b6f\files\setup.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1072
        • 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:3588
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:2056
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-4086182d-42d9-4b82-a9db-3916f4583b6f\files.cab

    Filesize

    1.3MB

    MD5

    fa946fbc8adb45ff63876866dfc4baf4

    SHA1

    9bc31fe8598eb0922c81429338421dca5d4876c7

    SHA256

    17e2b8de9ef45ad708adeeee5a98ca753751e2e7ecfe83c53dda44d6e04e354a

    SHA512

    c5ab6b90e761c50c04d88e18e84cc1978eec5dabfaaca0b3e909b286001297bd7c3ad651a3a2b9f3071d61b94db54be0810bb91f5d6d2d0ef0cae9152171f4b3

  • C:\Users\Admin\AppData\Local\Temp\MW-4086182d-42d9-4b82-a9db-3916f4583b6f\msiwrapper.ini

    Filesize

    1KB

    MD5

    0cdbdb640408a5205f2537a095f2ae25

    SHA1

    ede587becf1789404d0c26a4631a146d87ce76a1

    SHA256

    1aafd6025b766bbf80aca98fed57872842ce83c52d3967b32f750785386d1f20

    SHA512

    4e1ac4d244c813506494f8209f16619dd67f5c75f1c269f443a601da4de637b40f85debd37fd96ee84cb200233243f99a0a5997146e038c3f7db5313ab8e5b41

  • C:\Users\Admin\AppData\Local\Temp\MW-4086182d-42d9-4b82-a9db-3916f4583b6f\msiwrapper.ini

    Filesize

    1KB

    MD5

    b517664cd2ca413ed910b93b232a6ce3

    SHA1

    978cb511e630215de6f769436815565de0564cca

    SHA256

    65d18a7edf6aed170c75829cbb92191d2559f8214f3df7f404fb07e35d4ad0af

    SHA512

    5df448e65821aa75a0d6f6204c2d05d24b1448d89214871f61aa22c281a8698d8f6601aa309a284479784dc6b0c6e2d28368a1a7a06dddcc9f20957c9177813f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3onttcpy.fks.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSIAAE6.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    24.1MB

    MD5

    af7d775e309e6f0f6d0746c04f21d179

    SHA1

    fdb1d4dbfd2256feb6f2873f108d7b049cf2afe0

    SHA256

    8e31e9863b6e0e8c667dc6e63533abd1ad5c7981ab0f6727011de3228354c53b

    SHA512

    cde84148b1ffd75155e8b32fce9636f5fe2279060756cd5984107c4792f6cec93f4f0ed9221655e016ba1917a9c35393a1d7223dd449e7a70d8c789b334dee79

  • \??\Volume{625ed6c4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f51d3134-18dc-4e8c-9712-64da7ba9bf68}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    4c751c1fea4008a549de87066ccbdde9

    SHA1

    a76f3a6d852e2287d88fad583141bb673ee37619

    SHA256

    fb7da75cf49e7c02d47eb64465a92d166a547a276b9387770770ce63b20e1ff1

    SHA512

    7ca746db3d97845c3e3f665537a7b4f9ab1769e47a70e0620d0df2ba2e47dcf6a4464b114718a9ee51b5549e2788f7ee7533c8294818a02e42738a0753297d58

  • memory/1072-76-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB

  • memory/3588-96-0x0000000005B50000-0x0000000005B6E000-memory.dmp

    Filesize

    120KB

  • memory/3588-110-0x0000000006C80000-0x0000000006D23000-memory.dmp

    Filesize

    652KB

  • memory/3588-84-0x0000000005590000-0x00000000055F6000-memory.dmp

    Filesize

    408KB

  • memory/3588-85-0x0000000005600000-0x0000000005666000-memory.dmp

    Filesize

    408KB

  • memory/3588-81-0x0000000004EB0000-0x00000000054D8000-memory.dmp

    Filesize

    6.2MB

  • memory/3588-95-0x0000000005770000-0x0000000005AC4000-memory.dmp

    Filesize

    3.3MB

  • memory/3588-80-0x0000000002370000-0x00000000023A6000-memory.dmp

    Filesize

    216KB

  • memory/3588-97-0x0000000005DA0000-0x0000000005DEC000-memory.dmp

    Filesize

    304KB

  • memory/3588-99-0x000000006F0B0000-0x000000006F0FC000-memory.dmp

    Filesize

    304KB

  • memory/3588-109-0x0000000006C00000-0x0000000006C1E000-memory.dmp

    Filesize

    120KB

  • memory/3588-98-0x0000000006C40000-0x0000000006C72000-memory.dmp

    Filesize

    200KB

  • memory/3588-83-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

    Filesize

    136KB

  • memory/3588-112-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

    Filesize

    104KB

  • memory/3588-111-0x00000000075E0000-0x0000000007C5A000-memory.dmp

    Filesize

    6.5MB

  • memory/3588-113-0x0000000007000000-0x000000000700A000-memory.dmp

    Filesize

    40KB

  • memory/3588-114-0x0000000007230000-0x00000000072C6000-memory.dmp

    Filesize

    600KB

  • memory/3588-115-0x00000000071A0000-0x00000000071B1000-memory.dmp

    Filesize

    68KB

  • memory/3588-116-0x00000000071D0000-0x00000000071DE000-memory.dmp

    Filesize

    56KB

  • memory/3588-117-0x00000000071E0000-0x00000000071F4000-memory.dmp

    Filesize

    80KB

  • memory/3588-118-0x00000000072F0000-0x000000000730A000-memory.dmp

    Filesize

    104KB

  • memory/3588-119-0x0000000007220000-0x0000000007228000-memory.dmp

    Filesize

    32KB