Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2025, 02:19

General

  • Target

    2fab7ce0038b6b273339d974061476b78871aa6ea21762e2d943e992f3740aad.msi

  • Size

    1.9MB

  • MD5

    66500e0a73662d769b0483d4a2937236

  • SHA1

    049a5b863d00d1e9041f0c94df52f2fcd9f18d6b

  • SHA256

    2fab7ce0038b6b273339d974061476b78871aa6ea21762e2d943e992f3740aad

  • SHA512

    6ddd13805835c2cd683e68681134a709fb3bf7bdd59daa3acdf0558698a0410a31ba8f10a6a7a55fe4538933f5519a6ff36a060df25d02a006f28eae6f4129d2

  • SSDEEP

    24576:wt9cpVDh26BbPdjLXH0B9lywF0umv0fs69L8Yadtv:vpRh/99LXHG9FGMUW8

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\2fab7ce0038b6b273339d974061476b78871aa6ea21762e2d943e992f3740aad.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1800
  • 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:2092
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 312974DF59B2B15F2E85346EA73C3215
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-a79fa8c4-6db7-4b5a-97b1-36ae6ad8f924\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1644
      • 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:1824
      • C:\Users\Admin\AppData\Local\Temp\MW-a79fa8c4-6db7-4b5a-97b1-36ae6ad8f924\files\setup0038.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-a79fa8c4-6db7-4b5a-97b1-36ae6ad8f924\files\setup0038.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2248
        • 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:2284
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:1832
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2208
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005CC" "00000000000005D8"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2644

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-a79fa8c4-6db7-4b5a-97b1-36ae6ad8f924\files.cab

    Filesize

    1.5MB

    MD5

    df71964747aea8d357bc6633eb49e86b

    SHA1

    0f90f28a09edcfb06b642a2d2ca07d1de5ada9d7

    SHA256

    f3ff1428e3153fe9de2a42e9aca4a3b0f9cd1d64cc2cc51fba0b20e8cfb5af10

    SHA512

    2c0dd942a6c5b8afbd969229fd811a4cfc40d576cd900374ac44f06a691ccf14ad67c9a6a300f1467b898877d71784589267de48a07a4d358ed8c3af7a406a5a

  • C:\Users\Admin\AppData\Local\Temp\MW-a79fa8c4-6db7-4b5a-97b1-36ae6ad8f924\msiwrapper.ini

    Filesize

    1KB

    MD5

    27f915b0089d3e5ab55933f902054f96

    SHA1

    11df28e39d580916b7677fabd86ed17dcc3e5b20

    SHA256

    9fd194f6476495e48a55eb34dad7d4fd991ab4dbf734b30488737fafaed2a90e

    SHA512

    4634dc1a7d1b76495aa60421105cfb6fe488fdd89b4748935ad45a965301baf752140e1a712966bef56e869b011e5bcb2a4a80225649921f84bcc9dff6a7e5e6

  • C:\Windows\Installer\MSIE9E2.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • memory/2248-86-0x0000000010000000-0x0000000010738000-memory.dmp

    Filesize

    7.2MB