Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 06:06

General

  • Target

    ChromeSetup.msi

  • Size

    29.3MB

  • MD5

    751eb88d77d640cc9b497aafb5679821

  • SHA1

    2dc4ee60244acd2e135e7f9493bc047da5291cbd

  • SHA256

    a7a6306644c25e96d94c470f5dd1b1666df2b89f83693c5f40a9beb302e5c447

  • SHA512

    75898716b8e5642e20f44c843d0c4e2c3d7ff3f45096fb88ec988caa99f00a949c42bd82a783966acee031f7c150d3bf77f9ae2908236f68c846bd9279ca8d39

  • SSDEEP

    786432:kQ05JQsO+H3nM6mU0/nKginprtaTFVn1AESToSDNGpiKv2+iW:V0TZOUSPin617SBJGpiKv2DW

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 46 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\ChromeSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2196
  • 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 B6D976A15EDF2724C2F49FA5D7C4AA22 M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Program Files\FacilitateEngineerVigorous\kfQsuzzYiimC.exe
        "C:\Program Files\FacilitateEngineerVigorous\kfQsuzzYiimC.exe" x "C:\Program Files\FacilitateEngineerVigorous\qcxmbULseosLkruVhPHs" -o"C:\Program Files\FacilitateEngineerVigorous\" -pmnvoloPBJgRXdEHqjKyr -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:592
      • C:\Program Files\FacilitateEngineerVigorous\rOzLXIpgkU16.exe
        "C:\Program Files\FacilitateEngineerVigorous\rOzLXIpgkU16.exe" -number 218 -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
        • Suspicious behavior: EnumeratesProcesses
        PID:2728
      • C:\Program Files\FacilitateEngineerVigorous\ChromeSetup.exe
        "C:\Program Files\FacilitateEngineerVigorous\ChromeSetup.exe"
        3⤵
        • Executes dropped EXE
        PID:2892
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2964
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005CC" "000000000000005C"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f776e20.rbs

    Filesize

    7KB

    MD5

    0525289fcb293542aeaab1199d2d3957

    SHA1

    4b9c9fa4ee4ff53419b136986215d2db0457d58c

    SHA256

    2127f385eca136b401d451d4a680c40dac09cd7e37776fa63b00ff77178a7a6e

    SHA512

    335954c297646fd8380f688867789d702583cfda3077c5c3f67503caf30635ab8230175d535f7d64dbddc4b3d2fca032e8a432d04bc24ae1afa6f8d4baa157c1

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

    Filesize

    8.5MB

    MD5

    5adff4313fbd074df44b4eb5b7893c5e

    SHA1

    d27388ef6cf34d40e0e7666f6381fcc5bbafa0f7

    SHA256

    d0c7a4390bdd6b442b96fc76f8a38f7b756ba2c16752ea259844420161865cae

    SHA512

    f5d639922b91878cf83d97563288a3aa4cba94db3ad5e8ac11d24ef7c44b019383a4414aeba6171b4c7bfa83ea1eafc1231cc9233e3b82b5ca7dc0b3ffacbf60

  • C:\Program Files\FacilitateEngineerVigorous\DUosLfESJGRt.exe

    Filesize

    832KB

    MD5

    d305d506c0095df8af223ac7d91ca327

    SHA1

    679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

    SHA256

    923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

    SHA512

    94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

  • C:\Program Files\FacilitateEngineerVigorous\kfQsuzzYiimC.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\FacilitateEngineerVigorous\qcxmbULseosLkruVhPHs

    Filesize

    1.7MB

    MD5

    8074a26230501ebdcd7dd941db160214

    SHA1

    f8edb4a6d8e2693fdda38a3339027b5ea1a38ec8

    SHA256

    3aae95a77e6af7a12dc4ce1939bdd56a17f1f89b117d1fe40234eea3762a17f8

    SHA512

    ef88fda40519d320d3b25bb9101dd08d50410626a178abc64530eb41704c361822586b8dc9b3ee6e2f18c714018c051629d731d27c8ab84084e883beaeafd694

  • C:\Program Files\FacilitateEngineerVigorous\rOzLXIpgkU16.exe

    Filesize

    2.9MB

    MD5

    62238c79f5861e8e100a7fd5e573655c

    SHA1

    bf8a8ed429bce0323ad67cb5948dc55e3de3ec99

    SHA256

    c7663c91d0975cc0fa8ce01d73aa5f3d37525ce2990aefc6fca0b6d29988b704

    SHA512

    412eb9b8d443317a422d024e2334dd50d9ad96227cf7fbce405bf6ba716285b4305089f6525495dcfaa2dbaf73a4798310de6a350d2c17ff6fa010252a94e153

  • C:\Windows\Installer\f776e1e.msi

    Filesize

    29.3MB

    MD5

    751eb88d77d640cc9b497aafb5679821

    SHA1

    2dc4ee60244acd2e135e7f9493bc047da5291cbd

    SHA256

    a7a6306644c25e96d94c470f5dd1b1666df2b89f83693c5f40a9beb302e5c447

    SHA512

    75898716b8e5642e20f44c843d0c4e2c3d7ff3f45096fb88ec988caa99f00a949c42bd82a783966acee031f7c150d3bf77f9ae2908236f68c846bd9279ca8d39

  • memory/1100-12-0x0000000000250000-0x0000000000252000-memory.dmp

    Filesize

    8KB