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
    20-09-2024 04:26

General

  • Target

    cchromessetup.msi

  • Size

    20.4MB

  • MD5

    fcaad59c22e7e848f387089fe25f0765

  • SHA1

    21e188214f1ed9ded574b139c55b2b70c99f1d2e

  • SHA256

    57bf74232f2bb8240c9c407b9677961a81ab90d539dd330de4c5ca100e4f24c1

  • SHA512

    7af62c1e5dd1cd91d2327642e9f931bf46b9aa40cfcfce988dffcc323daf7ee04516c4c3a28b509907d62c7aa909dc056d1e788521ae9dfcc6c53d635e40d5d5

  • SSDEEP

    393216:nQ0Frf5krXSujsF8dzTZJPGQUP995v4VXwalKOymRJgNN71TXibbeKNugW8XMgfx:nQ05JQsmF3hC6Xwal5pc7hMlbXM+L8aD

Malware Config

Signatures

  • 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 Program Files directory 11 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 47 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 15 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\cchromessetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2616
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D0AD3817BAE9C285C1FCA4C1AD4291A7 M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Program Files\ImproveOrganizerMagnetic\OtapxNTOYhmF.exe
        "C:\Program Files\ImproveOrganizerMagnetic\OtapxNTOYhmF.exe" x "C:\Program Files\ImproveOrganizerMagnetic\ICXslERhfXqJTZMhevsa" -o"C:\Program Files\ImproveOrganizerMagnetic\" -pfEsefKyAWjCaZCRKYPPi -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2332
      • C:\Program Files\ImproveOrganizerMagnetic\oRqsGHUxNM16.exe
        "C:\Program Files\ImproveOrganizerMagnetic\oRqsGHUxNM16.exe" -number 281 -file file3 -mode mode3 -flag flag3
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:2508
      • C:\Program Files\ImproveOrganizerMagnetic\ChromeSetup.exe
        "C:\Program Files\ImproveOrganizerMagnetic\ChromeSetup.exe"
        3⤵
        • Executes dropped EXE
        PID:2952
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2676
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000031C" "0000000000000564"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f770d9a.rbs

    Filesize

    7KB

    MD5

    154f34378643cea42467182de166b867

    SHA1

    4afbf27ae0d37f969dc01dadd5dc341a129ab3e7

    SHA256

    8577adf362cc9f9234a292952bb3eb42caa84bc5259e9059ce28b9904bfd2b11

    SHA512

    e64623255bb0a7e9680521a02227996cf2697a25641f5d5ca4128052748b2c72efa3dd3cff7902b3454c954ddc50227601605db5869397995fe47de3e8a5ddf1

  • C:\Program Files\ImproveOrganizerMagnetic\ChromeSetup.exe

    Filesize

    8.5MB

    MD5

    5adff4313fbd074df44b4eb5b7893c5e

    SHA1

    d27388ef6cf34d40e0e7666f6381fcc5bbafa0f7

    SHA256

    d0c7a4390bdd6b442b96fc76f8a38f7b756ba2c16752ea259844420161865cae

    SHA512

    f5d639922b91878cf83d97563288a3aa4cba94db3ad5e8ac11d24ef7c44b019383a4414aeba6171b4c7bfa83ea1eafc1231cc9233e3b82b5ca7dc0b3ffacbf60

  • C:\Program Files\ImproveOrganizerMagnetic\DacdWcPDgGtK.exe

    Filesize

    832KB

    MD5

    d305d506c0095df8af223ac7d91ca327

    SHA1

    679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

    SHA256

    923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

    SHA512

    94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

  • C:\Program Files\ImproveOrganizerMagnetic\ICXslERhfXqJTZMhevsa

    Filesize

    1.7MB

    MD5

    3e8e70417e8f5df6a3e1235506c12655

    SHA1

    482b4d16fa7f8d25d482ced7ea3a1652a3f5915f

    SHA256

    feec00f05e0ad1ce966a03b67d17114ef0c2d4880b25d62c295df267dd48d3a7

    SHA512

    f78c352c681fd07e80f62eb017fca9188e88f9a6781e395bfe411d923c91148e87d65e40f598917c2bb6eb7e1a48de56abc4c4d59a23a29f17565b652d6523b3

  • C:\Program Files\ImproveOrganizerMagnetic\OtapxNTOYhmF.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\ImproveOrganizerMagnetic\oRqsGHUxNM16.exe

    Filesize

    2.9MB

    MD5

    019fd1a681f7d86fe351082f021f1e17

    SHA1

    ddacb8842f1c52ed9b71507ea59fd8a324e6a2bc

    SHA256

    30299b86f1a081ec5ea7c0d3c84d3286ecf6a743923c8f0d935943dd6c1c0df2

    SHA512

    e8b99c2a3805f68b473f35604999d8ed36423bae4bcc808cedf26a4e4f8c48606022dd2cc98d4f7ff1be9855cde63f6f6ad3634d24e6eccdb40e68b3b2c7f2fa

  • C:\Windows\Installer\f770d98.msi

    Filesize

    20.4MB

    MD5

    fcaad59c22e7e848f387089fe25f0765

    SHA1

    21e188214f1ed9ded574b139c55b2b70c99f1d2e

    SHA256

    57bf74232f2bb8240c9c407b9677961a81ab90d539dd330de4c5ca100e4f24c1

    SHA512

    7af62c1e5dd1cd91d2327642e9f931bf46b9aa40cfcfce988dffcc323daf7ee04516c4c3a28b509907d62c7aa909dc056d1e788521ae9dfcc6c53d635e40d5d5

  • memory/2404-12-0x0000000000260000-0x0000000000262000-memory.dmp

    Filesize

    8KB

  • memory/2508-32-0x00000000007A0000-0x00000000007CA000-memory.dmp

    Filesize

    168KB