Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 18:31

General

  • Target

    ASLDRSrv.exe

  • Size

    204KB

  • MD5

    80a7dafa1f9f9bb0cb6bbec1c5cb142c

  • SHA1

    06738ec416b70a48760492b899ee5c42a6e4b0ea

  • SHA256

    2e159ba848e90eba672d38683f9f424ab06fc3e00f64f6c868215204d82a7e20

  • SHA512

    bf89ed6868292bf0d166721e983b1fcd84a5b8723a98cdc1bf41016430c5a8b70c8234b993c711fb36ef3b8d5d4c0033b0f04c5aa71fe7416eaace2068e25df6

  • SSDEEP

    3072:wfIObyL7fOGnt+yslas2lQBV+UdE+rECWp7hKVv2YO+5UlV7hE:wfHbs3npsgKBV+UdvrEFp7hKl9O+d

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ASLDRSrv.exe
    "C:\Users\Admin\AppData\Local\Temp\ASLDRSrv.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1992-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1992-5-0x00000000011B0000-0x00000000011D0000-memory.dmp

    Filesize

    128KB

  • memory/1992-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB