Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/02/2025, 21:10

General

  • Target

    setup538.msi

  • Size

    1.8MB

  • MD5

    ed9c9eadb586f513e9b4d2da285c5c0f

  • SHA1

    a7beaa235b8bf96c8e28722704a78aea6dfe79b6

  • SHA256

    1734883d606ca520a119602419e1dca96649f7b56b38fb9649323788b8499524

  • SHA512

    5e9042ff9dfb69abe85b0d2aecfdc7286b021cb74ede6c301cf2b49d73f942cab03869a5caaf55748a1d158a9f25fb082aa89d6bfde499cbf1598b5e0125bec0

  • SSDEEP

    24576:Tt9cpVDhX6v0UYzNm+/Y10rAWR32bBNLG:spRhK8LzNmEYuv32bz6

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\setup538.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2504
  • 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:1708
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 56B2D0522789DEA3ADFB8B96DD812781
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-ee8b1f87-b742-4fb6-a5f8-dd251c2974c3\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2952
      • 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:1284
      • C:\Users\Admin\AppData\Local\Temp\MW-ee8b1f87-b742-4fb6-a5f8-dd251c2974c3\files\setup538.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-ee8b1f87-b742-4fb6-a5f8-dd251c2974c3\files\setup538.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1952
        • 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:760
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:1392
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2156
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000070" "00000000000003AC"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-ee8b1f87-b742-4fb6-a5f8-dd251c2974c3\files.cab

    Filesize

    1.5MB

    MD5

    53a430d7f3bd7ff3867cef169cad6d09

    SHA1

    4e79b50079fad9f0b16fb439ca35eeec73f5e058

    SHA256

    4c467c1285fa6b327093504db05f052cea5b4adc2716a8c2bd9fae3647b5338d

    SHA512

    9f0518145a24f6e61658b3eb8e3badbee7b22580a90befb5d79208acef0488298ac5bdc1abb322d1b7d9405ccfb42ca0e7bb591df1c8bb0cd3d7e5724004a891

  • C:\Users\Admin\AppData\Local\Temp\MW-ee8b1f87-b742-4fb6-a5f8-dd251c2974c3\msiwrapper.ini

    Filesize

    642B

    MD5

    0822dca6f7ba4ceea64f0278335e24bd

    SHA1

    24ed71112c3b5c58018afcc2d508cd17fbaebe92

    SHA256

    e97f138f1af5457127edd28f0c2df5091db891ac3cc89fddde4125db96dcc659

    SHA512

    10838664c8d9a670f4e83e631deef520fb0bc0f5459bdb69eb1cca4534940caef2b25f0539fbb711f14bee6241c765ce8844f7628b1d7758b700cd09e6c3d565

  • C:\Users\Admin\AppData\Local\Temp\MW-ee8b1f87-b742-4fb6-a5f8-dd251c2974c3\msiwrapper.ini

    Filesize

    1KB

    MD5

    6f3d516dd5eae5529f23c4aabdb5340b

    SHA1

    f757de361fa91dcffb389307bc7fea3df502d4fd

    SHA256

    8592fb18d6be84d05c2e71c2c24d292feda581e227d633aabf40a1dba65af033

    SHA512

    2649fc3d4d714214ea56b4621c191c1da2aa498695d046e5333e6930029446a9257f47bb7c622a9700379d1b094337451239d47a0ff3a06f01e8b5073bf78cfd

  • C:\Windows\Installer\MSICFFC.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • memory/1952-82-0x0000000010000000-0x0000000010738000-memory.dmp

    Filesize

    7.2MB