Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-02-2025 00:19

General

  • Target

    setup4709.msi

  • Size

    1.9MB

  • MD5

    ed7ed7df3b5dfe065ddae71d976b33a7

  • SHA1

    71da11ac3c230459775322213a7517aba8b43925

  • SHA256

    bfaeaa21aab8fa63219dd466a337acb420dfe6424c3cb028d2a5be28c733cd75

  • SHA512

    d29c61436f8d63a14e3fa6c38897a5d42ca77a62b733faa78a1d74abe22a732124105a58b17fcd17bd6e8697ce6b6ca4a392804044c310d4625ec57781b92210

  • SSDEEP

    24576:8t9cpVDhs6Zt94ger5jBGqgoOHw88ogmU92CGYt0:7pRhJZ0drFjOQsgR2CGYt0

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\setup4709.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1364
  • 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:2700
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 71A571BA7DC0C927F5FC12DC6334A3E9
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3068
      • 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:2260
      • C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\files\setup1328.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\files\setup1328.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1600
        • 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:2636
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:1868
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2780
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005C4" "00000000000005C0"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\files.cab

    Filesize

    1.6MB

    MD5

    43bb6371ddd2bb2a7fdbe38d99a80054

    SHA1

    6fbd3167ca5aaffa63b73e5277447466c2fe1289

    SHA256

    29f48b518772464b5d883347eb70ee092337e8f94f4d095c2faa386e4640769c

    SHA512

    b2ffa7b247300b13f67511a3a6eabf5432c54fcb3a6408e55b32a2aff6f21c1ca72e1579bef24e20659a47a73736b2979fe8688eecc964d706a1fab87b7727d9

  • C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\msiwrapper.ini

    Filesize

    390B

    MD5

    6ad9a58fa7638da2b84984b9fe83a670

    SHA1

    1e0420dbdf10ee5b9d9afa622fd36f3d80fdea26

    SHA256

    1ebcb8e773a8e50128c44ba8c34429c94fa4ae37c59b64c7bb7900678162ce4b

    SHA512

    b96020446a8aeded9175727df5bb959ad8934e04027c501988a496182860531227776a0946a8fd514cc9a19c3bb259bf18f2f48ba6b0fb1eeba8fb8cdf642399

  • C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\msiwrapper.ini

    Filesize

    708B

    MD5

    7bdee140adcf68f014bb44e135db5540

    SHA1

    a6dda461dc484e1d2494401067e04ab7f2f906e5

    SHA256

    3aa212e8af065cffd8194d3bba8bf17fea308c34679dc083cb644eb3f250cbbb

    SHA512

    d25265714474d05136653da70ab7704fc8b000c8b2515fe0d4a6c860cd5b3bd38e37a9ea8ff42729e2b7e54ac72f09df6785fb244fbb4a75cf12985cbd6859e9

  • C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\msiwrapper.ini

    Filesize

    1KB

    MD5

    d9b58aea653cf32df2dd177540007949

    SHA1

    fb0e120d750291e5a8c32d28f8e3d65627277c2e

    SHA256

    8ee0e8c5e015583e516e5f33ee360ec601c1bedc0fa497835eeb183de4825c14

    SHA512

    ad00fa25f54508584f1f9d063ca4577662583b9b9ec505aa576f789eca7da1629721b0c5113ef97c03f6c52439629e404dfda63a837183beff422eaac04e0216

  • C:\Users\Admin\AppData\Local\Temp\MW-8d2d37cd-bf58-446d-9203-eeddd3c49406\msiwrapper.ini

    Filesize

    1KB

    MD5

    5bf49f746c832e37cd24313dc20f4b17

    SHA1

    e76a246259b6888c8fea38ed4a230af6753c5a9e

    SHA256

    74455723fca0f20036a5d94c1ea4efd44f36a9e855e265c734d1cc4c59a1ad77

    SHA512

    e9ebf16965e4f716e0650f44a7907ae5114d3b192f14fefe9477d982a0f1fc868e39b831aec603d453563ac0f8ea2be0365c086b099fad0be4e3d1c86945b134

  • \Windows\Installer\MSIF7B7.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

  • memory/1600-83-0x0000000010000000-0x0000000010738000-memory.dmp

    Filesize

    7.2MB