Analysis

  • max time kernel
    147s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 19:15

General

  • Target

    a4f9bc6d511e630a8629557f5b79ba9cd8fcd23bdc8786ee5ebe15d1f61a40fc.exe

  • Size

    1.2MB

  • MD5

    c62f172c3b59196d73b8a8ba0be84bfa

  • SHA1

    09d83e5578eda48c72cfad84579b9cdb7f09e77b

  • SHA256

    a4f9bc6d511e630a8629557f5b79ba9cd8fcd23bdc8786ee5ebe15d1f61a40fc

  • SHA512

    819d209841a085db303e4caabe353ce13796a790f4bea8844556a160eeb4740dcb8ed7a0852382e212e56a7388c9ebbecc867789af9e4f3c90d3e908c38c40dc

  • SSDEEP

    24576:kIgUH4/nTnej9r2PlwBwd8/JF+cd3Hksx7qJ1j4coCYHb0YL2KGrEH7J:kgc09r2PGB1Hki7qJ1UcophTD

Malware Config

Signatures

  • Floxif family
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4f9bc6d511e630a8629557f5b79ba9cd8fcd23bdc8786ee5ebe15d1f61a40fc.exe
    "C:\Users\Admin\AppData\Local\Temp\a4f9bc6d511e630a8629557f5b79ba9cd8fcd23bdc8786ee5ebe15d1f61a40fc.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • C:\ProgramData\CyberLink\CBE\D8D760AC-ACA2-493e-9623-61E9D47DE89C\a4f9bc6d511e630a8629557f5b79ba9cd8fcd23bdc8786ee5ebe15d1f61a40fc.exe_v2\03112971-1616-4e60-9319-50c6bae80e04.json

    Filesize

    739B

    MD5

    e184400013c99fd9e92803242050ad2c

    SHA1

    830da227dc8e91235ef75e17e5bdd8b6464b3302

    SHA256

    a0f8e95361549f7012f1de2f9309d34180e50017a36f282037696e94ac4788c6

    SHA512

    5be0dd115eb877862fcc7d6c6b376bda4fc8b584bf1e2bb710b1c5ce2bf10ec120688b4acffeca5c18140c2e8f2b08285fd953da7b146db79d97965ba240a512

  • C:\ProgramData\CyberLink\CBE\D8D760AC-ACA2-493e-9623-61E9D47DE89C\a4f9bc6d511e630a8629557f5b79ba9cd8fcd23bdc8786ee5ebe15d1f61a40fc.exe_v2\UNO.ini

    Filesize

    7B

    MD5

    be9d6efbd8632e482c64618f00a701fa

    SHA1

    cc7c0702a34305282ba77d4eb88db1fa0bbed850

    SHA256

    d94fd0c7e43df0a03014a44d79653c0845adb29e6222ca47718c46af90847b84

    SHA512

    c59eee3a838ec35f447c28a701289f3f35ea5ec08d0c38df54482b39a2219598074d49fc162b1ef46d9e20c336221f53bc86de7163183193001b466ff36dd5c8

  • C:\ProgramData\CyberLink\CBE\D8D760AC-ACA2-493e-9623-61E9D47DE89C\a4f9bc6d511e630a8629557f5b79ba9cd8fcd23bdc8786ee5ebe15d1f61a40fc.exe_v2\b8112aee-98e5-46f6-aa5f-e95bc2d6d22f.json

    Filesize

    1KB

    MD5

    a1c4e4a0c144298bf6ae9ab74578f5d6

    SHA1

    50ad81564b6290c2c28c1e3e5b690f024d1203dc

    SHA256

    cbde2c219aa38a276ecec081c870dd2f7bb75cc0d1a65fa8ae510808d513bca3

    SHA512

    da311a1f308b4e40aaf01453a7b1d06660298af68769930cfd0bb6e5ad8a6069483def2d38fc965c71fa2d399fc04a38083cc77e6d523edaa7384188a70f5201

  • C:\ProgramData\CyberLink\Downloader\Item0.ini

    Filesize

    496B

    MD5

    a52f58de5b9dc8a49fa609f1c46030e0

    SHA1

    33948bdfe60cc528c3ce6d8cc81908895e613abe

    SHA256

    1a9b8d6bada1b31cf05cf39dfe74a60fcc5b71159eb921a00326ee9a39e768c5

    SHA512

    89ea90633ed806559f2248c1101e8b8ed2e1a857faf49347eb18e605f26a23be1fece5f3a972ac50a03d870f23ae50d53521b0bdf06482dad14b65420df5cd3e

  • C:\Users\Admin\AppData\Local\Temp\Cab2500.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar4A00.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\b8112aee-98e5-46f6-aa5f-e95bc2d6d22f.json

    Filesize

    1KB

    MD5

    0027f4e59b2ec4f5517c5e09cf853e43

    SHA1

    6cc76168136b3b726233c51c14c204b277b45dbb

    SHA256

    e0ab2df1c3f6ba9ed7e71f7aad7daeeafe18fbe888888614dd5fa0458925f25a

    SHA512

    ef468ec6e10d3a18f5c17f6f304400166bef63d8936e6dd0ff7b1c917290d2925012b8816cdc1856f0469a4cacb9d7a711188ff2c67a61dbe3884414163c87b7

  • C:\Users\Admin\AppData\Local\Temp\b8112aee-98e5-46f6-aa5f-e95bc2d6d22f.json

    Filesize

    326B

    MD5

    fb0bf032699114b3d9617bc9de41484e

    SHA1

    f5510a1c4f8aa273337125e0eae00dd8799dd894

    SHA256

    743eed323b18ea9af693c42ad65e095fdfe19cd59dba8df10c70654fe8eaef6f

    SHA512

    1ad61eab849b79cf16bdf6e720f6ff5efbd782d20745d225cc77eafcc163208bfc07a6fb117e5939e813e2513899c7eb7fc77cde5be335648e8fd6b228597858

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • \Users\Admin\AppData\Local\Temp\A1D26E2\24438A4930.tmp

    Filesize

    1.1MB

    MD5

    6beb9d113086247bc7529bbf08aae03c

    SHA1

    3b92b56ead3a7b0c2fbf86f3ce1d3dfca332e776

    SHA256

    b2523687f20ec36094fda56804d85de6c3852d0cce3d33a9337841b15b5810b7

    SHA512

    a089ff074c5bfd4fe99d3e8ec9c760605b61e5044340dfc0be5236ce08e5a58520079b6833ac3fb859c804f452d2fe972eef6aea8f4f79defe54c2b988b91a25

  • memory/2352-89-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-189-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-120-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-90-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-37-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-39-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-181-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-180-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-185-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-184-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-121-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-188-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-193-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-192-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-194-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-197-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-199-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-201-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-203-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-205-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-206-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-207-0x0000000001180000-0x00000000012A2000-memory.dmp

    Filesize

    1.1MB