Analysis

  • max time kernel
    233s
  • max time network
    234s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 23:52

General

  • Target

    install.msi

  • Size

    1.9MB

  • MD5

    b6302a683fd8c6b2f4360322482b2f50

  • SHA1

    5b503cfad3ed67e735230618ae6d5080d58c9a8d

  • SHA256

    d483969aa2d23c8ccc66d18fa906026d7ae1a25c1ff48035d912a9e9054aeaeb

  • SHA512

    c67537050e6ab6169f21ce46c8a6203951f848cd19eee831d29d2b44b262caa7305e4c641f627bad626b4031b779c05ef8ca6c3b13fe1fb137e3a78963ae27d2

  • SSDEEP

    24576:8t9cpVDhs6FGw0dAazcMa2ZqGrtHtr0nlciceaQW7:7pRhJYwCAmcMaZmNIn2icuq

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:2376
  • 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:3016
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4388
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 74630358AD564955A0043D16B220DBAB
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-e021fdca-6221-4f4c-8f53-eac9f870d1d5\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3784
      • 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:4932
      • C:\Users\Admin\AppData\Local\Temp\MW-e021fdca-6221-4f4c-8f53-eac9f870d1d5\files\install.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-e021fdca-6221-4f4c-8f53-eac9f870d1d5\files\install.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:412
        • 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:4992
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:536
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-e021fdca-6221-4f4c-8f53-eac9f870d1d5\files.cab

    Filesize

    1.6MB

    MD5

    05f8c6fc871f79ff2f7445247bb08ccd

    SHA1

    37f7e68c2068b3898d3055d22d6863a9adcc2651

    SHA256

    a13933dd43d6994942b681ffdb3c8d0ea382e6a6e05b49a94da0542e656bc16e

    SHA512

    f8c7993a1f8ffb5d95744040bbc4392db41e20ddaf38398ccd501f8880c3b2e1d9047a59632e9878cac7a842754babefb1e07d4af951e85f9f0ae70596577495

  • C:\Users\Admin\AppData\Local\Temp\MW-e021fdca-6221-4f4c-8f53-eac9f870d1d5\msiwrapper.ini

    Filesize

    1KB

    MD5

    b1bd774ab8abd45bf0adcf0b2d74c37f

    SHA1

    755cc7c6ffb75d34e6938e8c5b80fcdb5934a123

    SHA256

    4ffd0351518ed39baea27e8f5e1830da7d249f30087a0ae8c512df0dbb099c61

    SHA512

    fedaca7991b8b3baf3a3510c3aba4ef68309a587f5be64916cb68b5cc20feb1296c099ef00a64a3e3345983d54c22f98c49f33a5d9ff5efea679dcc6d4845aab

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_snlcrmd0.lxk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSICAB2.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    24.1MB

    MD5

    400978b6b232c68601485d9db5309f05

    SHA1

    f45ff39d5db722ae0087a3d44fe4675f58c85aef

    SHA256

    b1a075835a29fa11791ac9da12f44b2a70eaf66b7e5866f9e47fbbf4458d1dcb

    SHA512

    aa3ff26040bfe8dab2c785ec724c62528a5a758aa0b62f9cd82b4dac794f292d88704ebd1271bbe243dd8764ea788aa36a94831f78e435a6e897ba592f3173d5

  • \??\Volume{f0eec59f-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{7b94f899-de7f-49ae-ae07-f2f1fbf41408}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    2f6ef0150b0e4a60551570d680d6a1ef

    SHA1

    c638aa0225e973b09e59a28a714116a5324b4f0d

    SHA256

    90ad99d9e398448135262032505f935df56fe663171501a4f24bce1caa2665c3

    SHA512

    321e5ee7c3bd5efaf6cb78834155c98de63898e66d120d1a02999baf10faeadfea338fe0c49cd27e7c4ed09dfe44726b6860bda55485f07a18249b602d7b0b5b

  • memory/412-76-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB

  • memory/4992-97-0x0000000006EA0000-0x0000000006EEC000-memory.dmp

    Filesize

    304KB

  • memory/4992-109-0x00000000078D0000-0x00000000078EE000-memory.dmp

    Filesize

    120KB

  • memory/4992-84-0x0000000006240000-0x00000000062A6000-memory.dmp

    Filesize

    408KB

  • memory/4992-85-0x00000000062B0000-0x0000000006316000-memory.dmp

    Filesize

    408KB

  • memory/4992-81-0x0000000005A60000-0x0000000006088000-memory.dmp

    Filesize

    6.2MB

  • memory/4992-95-0x0000000006320000-0x0000000006674000-memory.dmp

    Filesize

    3.3MB

  • memory/4992-96-0x00000000068F0000-0x000000000690E000-memory.dmp

    Filesize

    120KB

  • memory/4992-80-0x0000000005320000-0x0000000005356000-memory.dmp

    Filesize

    216KB

  • memory/4992-99-0x000000006EBF0000-0x000000006EC3C000-memory.dmp

    Filesize

    304KB

  • memory/4992-98-0x0000000006E40000-0x0000000006E72000-memory.dmp

    Filesize

    200KB

  • memory/4992-110-0x00000000078F0000-0x0000000007993000-memory.dmp

    Filesize

    652KB

  • memory/4992-83-0x0000000005950000-0x0000000005972000-memory.dmp

    Filesize

    136KB

  • memory/4992-111-0x0000000008280000-0x00000000088FA000-memory.dmp

    Filesize

    6.5MB

  • memory/4992-112-0x0000000007C20000-0x0000000007C3A000-memory.dmp

    Filesize

    104KB

  • memory/4992-113-0x0000000007C80000-0x0000000007C8A000-memory.dmp

    Filesize

    40KB

  • memory/4992-114-0x0000000007EB0000-0x0000000007F46000-memory.dmp

    Filesize

    600KB

  • memory/4992-115-0x0000000007E20000-0x0000000007E31000-memory.dmp

    Filesize

    68KB

  • memory/4992-116-0x0000000007E50000-0x0000000007E5E000-memory.dmp

    Filesize

    56KB

  • memory/4992-117-0x0000000007E60000-0x0000000007E74000-memory.dmp

    Filesize

    80KB

  • memory/4992-118-0x0000000007F70000-0x0000000007F8A000-memory.dmp

    Filesize

    104KB

  • memory/4992-119-0x0000000007EA0000-0x0000000007EA8000-memory.dmp

    Filesize

    32KB