Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 11:38

General

  • Target

    windrv.msi

  • Size

    1.6MB

  • MD5

    24cbbd2c70efbb75845548513114317e

  • SHA1

    bd13f38e7301648b8cea6135a851b8691fda2c27

  • SHA256

    b31e366ae13a960eb0efbfb5074b0abd1f300151289833d7dfa1a9382bea1855

  • SHA512

    b7b0e4fa57e17b0da21a85f56f29a711ff226c8a9e95ca59721e4f20e32b9cbd8a5fdf69010e79f8452df5457a055cc2a41f2ad773eaf692680bc39cb8e50ead

  • SSDEEP

    24576:Ct9cpVDhBCBAoYDN7Q4Wui7WSBwS+ex4p4Xl2jTl1Q4yriWQ9kz/O:1pRhBeANNc4WJr5ZTXluTb9OV

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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 1 TTPs 1 IoCs
  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 23 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\windrv.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4024
  • 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:4660
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4896
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7393386C0F0EA1EF8CBEFCF188366360
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3120
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-4adb8225-9dc7-49a9-9b48-97bdc1526f9c\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:2896
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:868
      • C:\Users\Admin\AppData\Local\Temp\MW-4adb8225-9dc7-49a9-9b48-97bdc1526f9c\files\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-4adb8225-9dc7-49a9-9b48-97bdc1526f9c\files\setup.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4032
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3556
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • Gathers system information
          PID:2536
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Add-MpPreference -ExclusionPath "$env:LOCALAPPDATA\Microsoft\windows\systemtask.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2228
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    e4ba7636e9a89803151124eb36978d02

    SHA1

    689b73bdd2933461a32841c7e27b33ec287091bf

    SHA256

    c8b2ae27cf5b809e27ef5175e1e1e8f783785d3796eb2d743de101b60b783a39

    SHA512

    c52cf3cecbacdceef9bc4ea5c2f84ea7772177c7680a204f25511542f98cbe7914c93f8ff6573537a3c599bcc099ed4593a86f9e3f860b2965e3bb47cfe37c42

  • C:\Users\Admin\AppData\Local\Temp\MW-4adb8225-9dc7-49a9-9b48-97bdc1526f9c\files.cab

    Filesize

    1.3MB

    MD5

    57c5b54337af1acd54c65c5abae694b2

    SHA1

    87b6b5eebf8fa70a42bd2cf192740b7130a521a2

    SHA256

    ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

    SHA512

    af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

  • C:\Users\Admin\AppData\Local\Temp\MW-4adb8225-9dc7-49a9-9b48-97bdc1526f9c\msiwrapper.ini

    Filesize

    342B

    MD5

    1fd13e9f6205f7108d26104548432f5c

    SHA1

    a458c2c04d2b24a0247bd864d53382acc5f98dd8

    SHA256

    bd1fa320046a718c6e864878899dd8e40282e48b7f8ae2d04ed46b0133cd381b

    SHA512

    ddef32549e526752d363d2443ef43984fc9a5dd4d8abb69f15c93633e3128bcf9d561d34aea05b8c9364399245bcf2c99b99dabd1cc8a4c3866bf17875c9c6d2

  • C:\Users\Admin\AppData\Local\Temp\MW-4adb8225-9dc7-49a9-9b48-97bdc1526f9c\msiwrapper.ini

    Filesize

    1KB

    MD5

    f6346a52a99cc5750715dcafff8a43c4

    SHA1

    ffd7b6928cec1168e3809e9ff149c4d8cfe9133e

    SHA256

    29fb1548c6e1e78168a4432961a6ef6149e47f4ca502479b6f188e2f74d54845

    SHA512

    b09d6953c9c7f777907df06f87c588b5be214d1d08608e92adacd084c3716a7f61890393d52ed7ebe6401e81ed898c59930c04994ab1e33c2ff3e3130e2f73ec

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hqitrrb4.e2m.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSI6438.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    23.7MB

    MD5

    7b9f5117a493bb8a2ad2043ed7dd7126

    SHA1

    fb7ba2f29d5666834e1288a42a9d671cfcfc66cd

    SHA256

    f6a18a08ae682b3c9bb101d2892e56bd1ea7a0b8dbed9d3efde2723db6f53f20

    SHA512

    9318d902e9d23aa29f2668a43bf23c09cf5a654473fc3046b7ba35fc2bcbf5c0c8501e91bfe4198d02b090e846d90b31259caf82b0755f64a5f5c1bf77c932a6

  • \??\Volume{8b429fc4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{cd1698d2-ac72-4087-93e3-7d474d654637}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    00bdb3c173c50a44932fae5981650726

    SHA1

    b1d13b43d6fca94dc3e974d17ab059d336312cfe

    SHA256

    456efabce523b058715c326ab97a1df7dea50c24cc9caa66f51d9f86afb1a21f

    SHA512

    f2216caa7dfa9ba7a10104966affbf609062f83bab285bba5f1ca269662ad5bbe9e5c29ef78078b7e3b25b726fcf1b82d97a54a3a35abcf77dd4d7fbf79b8a45

  • memory/2228-153-0x0000000007DC0000-0x0000000007DD4000-memory.dmp

    Filesize

    80KB

  • memory/2228-140-0x00000000068A0000-0x00000000068EC000-memory.dmp

    Filesize

    304KB

  • memory/2228-151-0x0000000007AC0000-0x0000000007B63000-memory.dmp

    Filesize

    652KB

  • memory/2228-141-0x000000006EEA0000-0x000000006EEEC000-memory.dmp

    Filesize

    304KB

  • memory/2228-138-0x0000000006370000-0x00000000066C4000-memory.dmp

    Filesize

    3.3MB

  • memory/2228-152-0x0000000007D80000-0x0000000007D91000-memory.dmp

    Filesize

    68KB

  • memory/3556-109-0x0000000006100000-0x000000000611E000-memory.dmp

    Filesize

    120KB

  • memory/3556-117-0x00000000070A0000-0x00000000070B4000-memory.dmp

    Filesize

    80KB

  • memory/3556-99-0x000000006EF90000-0x000000006EFDC000-memory.dmp

    Filesize

    304KB

  • memory/3556-96-0x0000000005B80000-0x0000000005BCC000-memory.dmp

    Filesize

    304KB

  • memory/3556-110-0x0000000006D40000-0x0000000006DE3000-memory.dmp

    Filesize

    652KB

  • memory/3556-111-0x00000000074A0000-0x0000000007B1A000-memory.dmp

    Filesize

    6.5MB

  • memory/3556-112-0x0000000006E60000-0x0000000006E7A000-memory.dmp

    Filesize

    104KB

  • memory/3556-113-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

    Filesize

    40KB

  • memory/3556-114-0x00000000070F0000-0x0000000007186000-memory.dmp

    Filesize

    600KB

  • memory/3556-115-0x0000000007060000-0x0000000007071000-memory.dmp

    Filesize

    68KB

  • memory/3556-116-0x0000000007090000-0x000000000709E000-memory.dmp

    Filesize

    56KB

  • memory/3556-98-0x0000000006D00000-0x0000000006D32000-memory.dmp

    Filesize

    200KB

  • memory/3556-118-0x00000000071B0000-0x00000000071CA000-memory.dmp

    Filesize

    104KB

  • memory/3556-119-0x00000000070E0000-0x00000000070E8000-memory.dmp

    Filesize

    32KB

  • memory/3556-95-0x0000000005B30000-0x0000000005B4E000-memory.dmp

    Filesize

    120KB

  • memory/3556-94-0x0000000005620000-0x0000000005974000-memory.dmp

    Filesize

    3.3MB

  • memory/3556-83-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/3556-84-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/3556-82-0x0000000004B30000-0x0000000004B52000-memory.dmp

    Filesize

    136KB

  • memory/3556-81-0x0000000004CD0000-0x00000000052F8000-memory.dmp

    Filesize

    6.2MB

  • memory/3556-80-0x0000000000D10000-0x0000000000D46000-memory.dmp

    Filesize

    216KB

  • memory/4032-76-0x0000000010000000-0x000000001072E000-memory.dmp

    Filesize

    7.2MB