Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 09:36

General

  • Target

    911c7c676d8457767ff6d69ecefa1d79.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\911c7c676d8457767ff6d69ecefa1d79.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3516
  • 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:636
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4440
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8084EEDC6D7D7A13176195E5AE809138
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-ac849b46-0423-4e83-8895-1e27610bb62b\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:900
      • 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:1600
      • C:\Users\Admin\AppData\Local\Temp\MW-ac849b46-0423-4e83-8895-1e27610bb62b\files\install.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-ac849b46-0423-4e83-8895-1e27610bb62b\files\install.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2848
        • 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:4732
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:1500
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-ac849b46-0423-4e83-8895-1e27610bb62b\files.cab

    Filesize

    1.6MB

    MD5

    99e7d8d9b0e89b408e27e49c80de5923

    SHA1

    180428134b266951fb0eaa9d359c886132707d8b

    SHA256

    a41a2a085b81f2b39d739b3ff75d5ccbb7b8ff4c21b03caec3ca8a721fd158f7

    SHA512

    895fb9f72055a36bc85dfda6911f9b0ae27ef480aed1e24a7ee7ceeb27df887bb7b8c750796f1e18c2b0a5bebb3bcd400546cc5355450fb8d5d88f3a839c3a17

  • C:\Users\Admin\AppData\Local\Temp\MW-ac849b46-0423-4e83-8895-1e27610bb62b\msiwrapper.ini

    Filesize

    1KB

    MD5

    05d86572ddef76a560029d93a4fd33fe

    SHA1

    5b832bcb55d0c19c9d1c729e3dcfe4051ea2f01a

    SHA256

    eca59ef5922f6644f8643e915b6a0b6d8c53224799e6938970a26a7bc8ea5bbf

    SHA512

    d5a8d8aa59657bc5833277a12e4d97981fc205ec84f8895c3ce88a7720cc52335c6c6833b0d7a97c8bf8bcf3c753cbd7ae489aea73caa08b0715bacaf5f7aa78

  • C:\Users\Admin\AppData\Local\Temp\MW-ac849b46-0423-4e83-8895-1e27610bb62b\msiwrapper.ini

    Filesize

    1KB

    MD5

    62555a6c5014199deb9ed48f8a5f4c81

    SHA1

    cffc56c265ad0e604ba7774c37a400416da49225

    SHA256

    e1f3e60bac411118ad3473e18d2d8f035117ef05a026bf71165bc98dd69454e4

    SHA512

    83e4039d4414e633953094ffbb1df534fad232cd925761f632da3418f7e59aaf93ba2a1b2732ec8591da7231c376101a662bcbec715f2f9882da4a21dba8841b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2gstzttp.0fw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\Installer\MSIBBBE.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

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

    Filesize

    24.1MB

    MD5

    7b784a78208084d36a0f7f6b4e03ab30

    SHA1

    cbc07db74a30d24c93ab6cd71653cb41e5ed93e1

    SHA256

    59da8648e8ea6f844486ceafe29dbfc6ba7e0be4502310817c15959f65c0bc54

    SHA512

    fa0617b4178d9ae41b1fc5e1425084880eacd66917e38fefbc5f314d97de0a76328cf8c0147b7e7c2fbd3e7e1208a8fe4d1ec3ebada47906fb72a0952bdff472

  • \??\Volume{1541411d-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{89b0780a-b121-4375-8170-7b823fdcbf2f}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    abd27de407d3eb117f00c7f088cfbe25

    SHA1

    a642002288f006613679333fa94f4509d6ecf967

    SHA256

    63fb4e16f64f2b1cd2f44a335859a72a71025075807a37a84e104761cbc45625

    SHA512

    8eec89f14ddfba691333d3ec389a44d79b28f1067d7d9ddebdcd9dad70993353d9742ef2aefb007534c36dfb003da69111df99ef1f9f82d372de39c6034500d7

  • memory/2848-75-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB

  • memory/4732-95-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

    Filesize

    120KB

  • memory/4732-110-0x0000000007210000-0x00000000072B3000-memory.dmp

    Filesize

    652KB

  • memory/4732-84-0x00000000059F0000-0x0000000005A56000-memory.dmp

    Filesize

    408KB

  • memory/4732-83-0x0000000005910000-0x0000000005976000-memory.dmp

    Filesize

    408KB

  • memory/4732-81-0x00000000051B0000-0x00000000057D8000-memory.dmp

    Filesize

    6.2MB

  • memory/4732-94-0x0000000005C00000-0x0000000005F54000-memory.dmp

    Filesize

    3.3MB

  • memory/4732-80-0x0000000004A40000-0x0000000004A76000-memory.dmp

    Filesize

    216KB

  • memory/4732-96-0x0000000006020000-0x000000000606C000-memory.dmp

    Filesize

    304KB

  • memory/4732-99-0x000000006EC30000-0x000000006EC7C000-memory.dmp

    Filesize

    304KB

  • memory/4732-98-0x00000000065E0000-0x0000000006612000-memory.dmp

    Filesize

    200KB

  • memory/4732-109-0x0000000006620000-0x000000000663E000-memory.dmp

    Filesize

    120KB

  • memory/4732-82-0x0000000005130000-0x0000000005152000-memory.dmp

    Filesize

    136KB

  • memory/4732-111-0x0000000007970000-0x0000000007FEA000-memory.dmp

    Filesize

    6.5MB

  • memory/4732-112-0x0000000007310000-0x000000000732A000-memory.dmp

    Filesize

    104KB

  • memory/4732-113-0x0000000007370000-0x000000000737A000-memory.dmp

    Filesize

    40KB

  • memory/4732-114-0x00000000075A0000-0x0000000007636000-memory.dmp

    Filesize

    600KB

  • memory/4732-115-0x0000000007510000-0x0000000007521000-memory.dmp

    Filesize

    68KB

  • memory/4732-116-0x0000000007540000-0x000000000754E000-memory.dmp

    Filesize

    56KB

  • memory/4732-117-0x0000000007550000-0x0000000007564000-memory.dmp

    Filesize

    80KB

  • memory/4732-118-0x0000000007660000-0x000000000767A000-memory.dmp

    Filesize

    104KB

  • memory/4732-119-0x0000000007590000-0x0000000007598000-memory.dmp

    Filesize

    32KB