Analysis

  • max time kernel
    139s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-07-2024 18:56

General

  • Target

    b31e366ae13a960eb0efbfb5074b0abd1f300151289833d7dfa1a9382bea1855.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 8 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\b31e366ae13a960eb0efbfb5074b0abd1f300151289833d7dfa1a9382bea1855.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2956
  • 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:1632
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5056
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 53EABEB88CF90556C5F6B2EAC58092ED
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3076
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-1eca37da-4843-48c0-90ec-379474b72760\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:1452
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:3176
      • C:\Users\Admin\AppData\Local\Temp\MW-1eca37da-4843-48c0-90ec-379474b72760\files\setup.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-1eca37da-4843-48c0-90ec-379474b72760\files\setup.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:424
        • 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:3332
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • Gathers system information
          PID:2576
        • 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:4560
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2928

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

    3e4c135aa23a6c20d3c2715089ffdb21

    SHA1

    354d25b7389cddc2158fd47068cc29141b239b66

    SHA256

    8714b50ca6494b28e36faf56abc765417757fa0b8d2c3e803e7f78ad2976dd2a

    SHA512

    6245e14e91c83b7e91992be08169b2f9006002122a9dead98e91fdc4284a88dc59d4783b8de1703b2d675e07054b0b9fbb78892047b538379f2eac94170755d7

  • C:\Users\Admin\AppData\Local\Temp\MW-1eca37da-4843-48c0-90ec-379474b72760\files.cab

    Filesize

    1.3MB

    MD5

    57c5b54337af1acd54c65c5abae694b2

    SHA1

    87b6b5eebf8fa70a42bd2cf192740b7130a521a2

    SHA256

    ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

    SHA512

    af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

  • C:\Users\Admin\AppData\Local\Temp\MW-1eca37da-4843-48c0-90ec-379474b72760\msiwrapper.ini

    Filesize

    1KB

    MD5

    4607f0fc7f5dc5f919cd72c12340320b

    SHA1

    3a16c200b2edab38a30fe7f5569f9b787d1ee00f

    SHA256

    6bca2fa12d9327adb2bf22ffdbbe5a508210cc0830e723937b9c63b9bdd12ba9

    SHA512

    2c2829897b3db015610075f37a53a95dcc0f7c2c7e2fe47f3c321d77007e3434f4c18424517d88781ba99ffe885e544efa75ec2e5ff9cf8c5145959fd61c66ef

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3uc50h5s.pux.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSIB5B3.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    23.7MB

    MD5

    ae39e190a4380e7c1bb233550b1b6205

    SHA1

    1746f1f797cc61b060f02199bc5e972f779dc4fe

    SHA256

    abf55fe7760e310a11e94b9eea57524c24a0a55494ca7262b96bbe29a7914d60

    SHA512

    862fd18ff4bfdbdc0cba1def42e2e9b167a48c237faa67dc531705cefec5400f68addd89ca7f624c024ed1b693a5e7967ec496ad999bc512af3f2dece146e32b

  • \??\Volume{829ac229-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f8193882-bd62-4ca0-adab-ea330608eaa2}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    bf934119407d58a6930761cac875bc7e

    SHA1

    0b6c422b127ab8048e7fe245a175b90294a7a6c2

    SHA256

    88d6a94a77bca982d4eaaa8dac3b1ead90b0b7a306f91ac949ea2b93eef6c306

    SHA512

    8065d541b322367ddaf4ca53abec82e88b74369cf60e22b21cd56b342411c50176033705ecc72de1f7f206c99c2ae0af89ec9f089ef46e55995e684fd2051e6a

  • memory/424-76-0x0000000010000000-0x000000001072E000-memory.dmp

    Filesize

    7.2MB

  • memory/3332-99-0x000000006F270000-0x000000006F2BC000-memory.dmp

    Filesize

    304KB

  • memory/3332-114-0x0000000007DA0000-0x0000000007E36000-memory.dmp

    Filesize

    600KB

  • memory/3332-83-0x00000000060F0000-0x0000000006156000-memory.dmp

    Filesize

    408KB

  • memory/3332-94-0x0000000006240000-0x0000000006594000-memory.dmp

    Filesize

    3.3MB

  • memory/3332-95-0x00000000067E0000-0x00000000067FE000-memory.dmp

    Filesize

    120KB

  • memory/3332-96-0x0000000006810000-0x000000000685C000-memory.dmp

    Filesize

    304KB

  • memory/3332-98-0x0000000006DB0000-0x0000000006DE2000-memory.dmp

    Filesize

    200KB

  • memory/3332-82-0x0000000005820000-0x0000000005842000-memory.dmp

    Filesize

    136KB

  • memory/3332-110-0x00000000079D0000-0x0000000007A73000-memory.dmp

    Filesize

    652KB

  • memory/3332-109-0x00000000079B0000-0x00000000079CE000-memory.dmp

    Filesize

    120KB

  • memory/3332-111-0x0000000008150000-0x00000000087CA000-memory.dmp

    Filesize

    6.5MB

  • memory/3332-112-0x0000000007B10000-0x0000000007B2A000-memory.dmp

    Filesize

    104KB

  • memory/3332-113-0x0000000007B70000-0x0000000007B7A000-memory.dmp

    Filesize

    40KB

  • memory/3332-84-0x00000000061D0000-0x0000000006236000-memory.dmp

    Filesize

    408KB

  • memory/3332-115-0x0000000007D10000-0x0000000007D21000-memory.dmp

    Filesize

    68KB

  • memory/3332-116-0x0000000007D40000-0x0000000007D4E000-memory.dmp

    Filesize

    56KB

  • memory/3332-117-0x0000000007D50000-0x0000000007D64000-memory.dmp

    Filesize

    80KB

  • memory/3332-118-0x0000000007E60000-0x0000000007E7A000-memory.dmp

    Filesize

    104KB

  • memory/3332-119-0x0000000007D90000-0x0000000007D98000-memory.dmp

    Filesize

    32KB

  • memory/3332-81-0x00000000058D0000-0x0000000005EF8000-memory.dmp

    Filesize

    6.2MB

  • memory/3332-80-0x0000000005260000-0x0000000005296000-memory.dmp

    Filesize

    216KB

  • memory/4560-129-0x0000000005BD0000-0x0000000005F24000-memory.dmp

    Filesize

    3.3MB

  • memory/4560-140-0x000000006F270000-0x000000006F2BC000-memory.dmp

    Filesize

    304KB

  • memory/4560-150-0x00000000077B0000-0x00000000077C1000-memory.dmp

    Filesize

    68KB

  • memory/4560-151-0x0000000007800000-0x0000000007814000-memory.dmp

    Filesize

    80KB