Analysis

  • max time kernel
    453s
  • max time network
    1181s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-05-2024 14:33

General

  • Target

    EpicInstaller-15.17.1 (1).msi

  • Size

    176.5MB

  • MD5

    7a2cf04ac0c504a8ea5aed805dde484d

  • SHA1

    0536d7a178d1a42cea1476ea6b44bc53ed26bc63

  • SHA256

    6f3f486d7a8409fc174198818c039152c6268bd9fdf210ee6be1c91bf832b7e9

  • SHA512

    42aeed1d015ab279df3065e04adff8001672a13180f4d73121ace3bc8989783f12c7a5d0b50c684c74fd138fc1b4f451439acd7b6342d4f60c7d3a18034e0988

  • SSDEEP

    3145728:oyKHxXZR5bsPL+buxE4ynkX+kKbtt3V8mIeDLhZ8muXNNE7byK88OmTZbOW/rXi:IP4PAwUnkuk8BNbLIxg7bUQ

Score
6/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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\EpicInstaller-15.17.1 (1).msi"
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3576
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3265D7E04C9D2168AFAEB14CAD5BE1F4 C
      2⤵
      • Loads dropped DLL
      PID:2120

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSI5832.tmp
    Filesize

    211KB

    MD5

    a3ae5d86ecf38db9427359ea37a5f646

    SHA1

    eb4cb5ff520717038adadcc5e1ef8f7c24b27a90

    SHA256

    c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74

    SHA512

    96ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0