Analysis

  • max time kernel
    277s
  • max time network
    279s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 23:52

General

  • Target

    install.msi

  • Size

    1.9MB

  • MD5

    b6302a683fd8c6b2f4360322482b2f50

  • SHA1

    5b503cfad3ed67e735230618ae6d5080d58c9a8d

  • SHA256

    d483969aa2d23c8ccc66d18fa906026d7ae1a25c1ff48035d912a9e9054aeaeb

  • SHA512

    c67537050e6ab6169f21ce46c8a6203951f848cd19eee831d29d2b44b262caa7305e4c641f627bad626b4031b779c05ef8ca6c3b13fe1fb137e3a78963ae27d2

  • SSDEEP

    24576:8t9cpVDhs6FGw0dAazcMa2ZqGrtHtr0nlciceaQW7:7pRhJYwCAmcMaZmNIn2icuq

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 System32 directory 1 IoCs
  • 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\install.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2716
  • 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:2720
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 96A7B256A0860F5F2202BB4D270EFB46
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-d74ae68c-7b52-429c-a5f2-9cec625220d3\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2076
      • 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:692
      • C:\Users\Admin\AppData\Local\Temp\MW-d74ae68c-7b52-429c-a5f2-9cec625220d3\files\install.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-d74ae68c-7b52-429c-a5f2-9cec625220d3\files\install.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2308
        • 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
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1584
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:376
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2892
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000056C" "0000000000000064"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2112

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-d74ae68c-7b52-429c-a5f2-9cec625220d3\files.cab

    Filesize

    1.6MB

    MD5

    05f8c6fc871f79ff2f7445247bb08ccd

    SHA1

    37f7e68c2068b3898d3055d22d6863a9adcc2651

    SHA256

    a13933dd43d6994942b681ffdb3c8d0ea382e6a6e05b49a94da0542e656bc16e

    SHA512

    f8c7993a1f8ffb5d95744040bbc4392db41e20ddaf38398ccd501f8880c3b2e1d9047a59632e9878cac7a842754babefb1e07d4af951e85f9f0ae70596577495

  • C:\Users\Admin\AppData\Local\Temp\MW-d74ae68c-7b52-429c-a5f2-9cec625220d3\msiwrapper.ini

    Filesize

    386B

    MD5

    2d3cee2506f112c759e4b2568035d9fa

    SHA1

    32799d4dfb905be0ff406579aa22c32b423f4b41

    SHA256

    34675bd476e7382f5c72daac12dc546f6b8d0eeb197d52cc8ead7b7b4433861c

    SHA512

    87331384fc9e06c1e19c9dcf52a7cc9501a7f32753ab3fea3326706f20de79b6f95cebd8b7a24a83082b5270fb60882bbb6ea70e6309f1c69f816b344454d47a

  • C:\Users\Admin\AppData\Local\Temp\MW-d74ae68c-7b52-429c-a5f2-9cec625220d3\msiwrapper.ini

    Filesize

    1KB

    MD5

    79df7c19b860cd1967d6783159a9a4d6

    SHA1

    e8c8eccb0750bf5d88a0d73810dcda425f222691

    SHA256

    fba60b917eb84dd7aca6fb267099abd72201b747ff9f0dbfc19297b3ec5c50e4

    SHA512

    da74c166eef1514f759da29ffd9214b0914cdb5b82a8d713d36fea146f0676990460e300574bb1af5d02e40da8158335ae9e75eefae3185427f561e702cf3e91

  • C:\Windows\Installer\MSI1BBB.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • memory/2308-80-0x0000000010000000-0x0000000010731000-memory.dmp

    Filesize

    7.2MB