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Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 20:32

General

  • Target

    PayModule.msi

  • Size

    2.5MB

  • MD5

    0d4ccbe309876c174ca8670619896d5f

  • SHA1

    15a2d708a9a2c159ddd4280beae39dc1b9c66e34

  • SHA256

    f0c0bd00a6c044eb6fae9638e0b037e60127d93e28cfdc54d0f2d30100c4cd39

  • SHA512

    1818f20609dae2fd7f9e80f8fb618c126fd1d65b63b039c1196040773282ade6db3eee0f375892048d39d0f63b583e9eea378ba9ff785584d14d1b308a964986

  • SSDEEP

    49152:MsxjoeRK8UXtBqGhZOb69QOHu5KKwGr3ULUcePBrFI:Mleudjuu7gKKwhLPeJrFI

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 Windows directory 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\PayModule.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3672
  • 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:1712
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 560DCF3A464F947F991FA443236CC581
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Installer\MSIC39E.tmp

    Filesize

    2.5MB

    MD5

    bbb918a0a10d5772ef6ba30504fbe642

    SHA1

    426fdde94272e1db6e2181da8df770465860143a

    SHA256

    ef99a59b5de1ccc5a992dcf6f0eb73ad5e2cdf3827bd1906935a5acd2cc94bd7

    SHA512

    d724b98d512120fa95efac0e5fdae28615fa3b12c6578ee7b9aa4a2ac7dce734e293d74cafa829503074510913c95f1f23df34f0451032c3d6e2d56232e74156