Analysis

  • max time kernel
    113s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 18:34

General

  • Target

    setup4391.msi

  • Size

    1.9MB

  • MD5

    cb07e30a581656a057cd4a4e2a0044b9

  • SHA1

    3411cfa59efdadc2899d5d9b7512989cfb4b9f82

  • SHA256

    8718d3bb23a8216bc4ac54ae8f9d348a0030025bfb4163812e73ec514db6de11

  • SHA512

    aad3319a7abebd22b0a75368a2e1956d9cf072edbdcf93cc54147e92703fbedfae62d8d0c19187eb86928cb958689c2b75d38626e073567e98d450d6d3b06012

  • SSDEEP

    24576:/t9cpVDhe6rzSahtGECSRB0m2JDGKZ9M9:opRhnKayn1lJe

Malware Config

Extracted

Family

metastealer

C2

kagkimuoakomksww.xyz

cwikwiiisuyqymso.xyz

qgimwqowkmuicoos.xyz

kuueskmwqmwoocuq.xyz

eaeueussigokssqg.xyz

eoyqkgcyoesysssk.xyz

ocmmqamiyucswwik.xyz

eimemucysaammomg.xyz

iwomsoekyisuymws.xyz

mqykiccmwokeumes.xyz

iqqcgqqseysecuum.xyz

iqmoyikmqymsmcwm.xyz

aseuqoqgaueaymyo.xyz

wycuamkomemmigmy.xyz

ceiyeqaoscmsamim.xyz

skcqkaykccckqyam.xyz

kaycmqwocuyyuqyg.xyz

mqssyaeoeeucegqy.xyz

ywqamawcqumaqiyq.xyz

skscsegicyqikqww.xyz

Attributes
  • dga_seed

    12914

  • 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 10 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 30 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\setup4391.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2596
  • 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:2752
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3312D9B199CFADAA81DCD08C56A8C1B6
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-47ca73cf-8ca1-4874-9d79-d4472e2365e2\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2148
      • 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-47ca73cf-8ca1-4874-9d79-d4472e2365e2\files\setup4927.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-47ca73cf-8ca1-4874-9d79-d4472e2365e2\files\setup4927.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1052
        • 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:2092
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:2284
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2872
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003D4" "00000000000005D8"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-47ca73cf-8ca1-4874-9d79-d4472e2365e2\files.cab

    Filesize

    1.6MB

    MD5

    3b871741602b195c754d0b3b6a22abc2

    SHA1

    fa6b6ea31fa798ce6333bc6d2c371b096d4d4edb

    SHA256

    454fb1907187784f0551da5102af6d4d95230dd93e23692d6dae2247631b9226

    SHA512

    d063027267e72962123dfe7c173914a13a72e34bc66e6d0d3dec8bb9771999caed307ea4b21f2e9fbe006536fe9d0e596bcfa8745c41b7921cf18d37415ec71d

  • C:\Users\Admin\AppData\Local\Temp\MW-47ca73cf-8ca1-4874-9d79-d4472e2365e2\msiwrapper.ini

    Filesize

    390B

    MD5

    2fb9a4d2826bdcae9786ba2c39d566f0

    SHA1

    bc9e06dc2ab31ae7c3f5ddc04a82289389064021

    SHA256

    ad3b1483a4346d6d8cdafc755db9f3181ed950ee74775681c46514aa1858ddf5

    SHA512

    e529571905694c3c3b598b64f1de54be3fc666b5f4077fbe42a9f3a8fcf29484045e826c33be1fe07930305741446750ace06aa93d14d7bdc16061f3cac2779f

  • C:\Users\Admin\AppData\Local\Temp\MW-47ca73cf-8ca1-4874-9d79-d4472e2365e2\msiwrapper.ini

    Filesize

    1KB

    MD5

    585dee4e78bf59bb8085a1aa9883c59e

    SHA1

    a370fc3445caac3822e185cc2543f6d4fcb48b7d

    SHA256

    44904a3de13533febadc3ed5f9c01c1f891aa6b8be03b7b86833e271003ce5b8

    SHA512

    12824e4cdbd229c85c1da9bc5843aa3afd1b894791d7d1789f024ae7f702fc397b5ce330480aa93fab69b5b55fdf700da6f5de26be79b729ca21d2f94774d5f7

  • C:\Users\Admin\AppData\Local\Temp\MW-47ca73cf-8ca1-4874-9d79-d4472e2365e2\msiwrapper.ini

    Filesize

    1KB

    MD5

    563db76527a34c08e66b0650befe13d5

    SHA1

    dd870ab31fb20cb6d47a47b041c41abd69855b3f

    SHA256

    ffab2522ab15e70d0c394d4017b86ca596b42fc5ab4e7ec40bfba2ffc3c3448d

    SHA512

    afb7931f87030cf707f8d55b53a16d94b3675e1a537871c9ee6f6e72d550f9f90c07df14cddfd295c41c370565b1901841c43a8450be8312881ce292994ff80c

  • C:\Windows\Installer\MSI18DE.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • memory/1052-83-0x0000000010000000-0x0000000010738000-memory.dmp

    Filesize

    7.2MB