Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-02-2025 03:23

General

  • Target

    c5d8cbdc0ccb646fc46550c00b8a25111edd02e0533c9a54843a45d989567f3e.msi

  • Size

    1.8MB

  • MD5

    c814c89d7e81a139d7997ed9b06f8d9b

  • SHA1

    74214271e2cc141dba3681f71c17dcb3360e713a

  • SHA256

    c5d8cbdc0ccb646fc46550c00b8a25111edd02e0533c9a54843a45d989567f3e

  • SHA512

    4985aa846c079455b8ac3cc56dcfc8d27ba212e5055a8a506286f690779f79ea777699ad61e31c4f39297991b05f4a48c48799483964603758fccc452327ea14

  • SSDEEP

    24576:+t9cpVDhKzgQiPMhICcnJ3/eZo+pNqzX6e02Zxio+AwXR2b:BpRhK5ICcJsL0X6exxio+h

Malware Config

Signatures

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 22 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\c5d8cbdc0ccb646fc46550c00b8a25111edd02e0533c9a54843a45d989567f3e.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2396
  • 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:2552
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 56B2D0E96324D0DBC4022771A457B678
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-b2e30902-853e-4b18-8b30-c81396568907\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:572
      • 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:2824
      • C:\Users\Admin\AppData\Local\Temp\MW-b2e30902-853e-4b18-8b30-c81396568907\files\setup0067.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-b2e30902-853e-4b18-8b30-c81396568907\files\setup0067.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3024
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1664
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004C4" "000000000000005C"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MW-b2e30902-853e-4b18-8b30-c81396568907\files.cab

    Filesize

    1.6MB

    MD5

    756c2d3c68b8528297595cc1b46c329c

    SHA1

    2b8e35ae0a404199a5493c7e316ca4330816365d

    SHA256

    122f78f462cf072526eb41a3f7f22e02a122bcb68c46e91e81f4f6ca7e61e38e

    SHA512

    cef9914075b4f59bf8b2e0abd055720df89054f670e04091e6c0fec669a5c391661bf848ae6668a2aa8f6cf99c1d0a9597cb6c0c7550e3327a742fdb596bb3db

  • C:\Users\Admin\AppData\Local\Temp\MW-b2e30902-853e-4b18-8b30-c81396568907\msiwrapper.ini

    Filesize

    1KB

    MD5

    69e2d8b061540323126f154a57efbe55

    SHA1

    11d23238351e9c46336e254b70673104e5f69b26

    SHA256

    35c948f3965d3435263ba083297aa8f9d8e1ab90c50a13d1dadd3b26dc6b6cdf

    SHA512

    4598d067fc3dcc806b1d3c0b2af0840a9adc3ca189bcbe37a3c5194492c5d6bea4670f184291b2dc8c92e86360994575a20a427de77cf592438771d70477acc5

  • C:\Windows\Installer\MSIBC7C.tmp

    Filesize

    208KB

    MD5

    0c8921bbcc37c6efd34faf44cf3b0cb5

    SHA1

    dcfa71246157edcd09eecaf9d4c5e360b24b3e49

    SHA256

    fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

    SHA512

    ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108