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Analysis

  • max time kernel
    95s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 20:37 UTC

General

  • Target

    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe

  • Size

    413KB

  • MD5

    1a67e161ff85a9d2b1bd58194cca30b0

  • SHA1

    4bd2f526e955f2026290479fb765cd67dedbffe1

  • SHA256

    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129

  • SHA512

    9710b5723204f22db448eefb93f9451329947e1cd388a953f6773c73cccedaadff9bd1c8d88094b34a53884dd1121969116b925dbfc2fd06bc1649897620f75e

  • SSDEEP

    12288:v5U6/ysFq7drqq2MLFHqPbckDBjvrEH7E:T2rqZbcSrEH7E

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
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • 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 3 IoCs

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

  • Drops file in Program Files directory 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    "C:\Users\Admin\AppData\Local\Temp\25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4624

Network

  • flag-us
    DNS
    232.168.11.51.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    232.168.11.51.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    5isohu.com
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    Remote address:
    8.8.8.8:53
    Request
    5isohu.com
    IN A
    Response
  • flag-us
    DNS
    182.129.81.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    182.129.81.91.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    5.114.82.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    5.114.82.104.in-addr.arpa
    IN PTR
    Response
    5.114.82.104.in-addr.arpa
    IN PTR
    a104-82-114-5deploystaticakamaitechnologiescom
  • flag-us
    DNS
    74.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    74.32.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    www.aieov.com
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    Remote address:
    8.8.8.8:53
    Request
    www.aieov.com
    IN A
    Response
    www.aieov.com
    IN A
    45.33.23.183
    www.aieov.com
    IN A
    45.79.19.196
    www.aieov.com
    IN A
    45.56.79.23
    www.aieov.com
    IN A
    45.33.20.235
    www.aieov.com
    IN A
    45.33.30.197
    www.aieov.com
    IN A
    96.126.123.244
    www.aieov.com
    IN A
    198.58.118.167
    www.aieov.com
    IN A
    173.255.194.134
    www.aieov.com
    IN A
    72.14.178.174
    www.aieov.com
    IN A
    72.14.185.43
    www.aieov.com
    IN A
    45.33.2.79
    www.aieov.com
    IN A
    45.33.18.44
  • flag-us
    GET
    http://www.aieov.com/logo.gif
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    Remote address:
    45.33.23.183:80
    Request
    GET /logo.gif HTTP/1.1
    Accept: */*
    Host: www.aieov.com
    Response
    HTTP/1.1 403 Forbidden
    server: openresty/1.13.6.1
    date: Mon, 27 Jan 2025 20:37:59 GMT
    content-type: text/html
    content-length: 175
    x-fail-reason: Bad Actor
    connection: close
  • flag-us
    DNS
    183.23.33.45.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    183.23.33.45.in-addr.arpa
    IN PTR
    Response
    183.23.33.45.in-addr.arpa
    IN PTR
    li977-183memberslinodecom
  • flag-us
    DNS
    5isohu.com
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    Remote address:
    8.8.8.8:53
    Request
    5isohu.com
    IN A
    Response
  • flag-us
    GET
    http://www.aieov.com/logo.gif
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    Remote address:
    45.33.23.183:80
    Request
    GET /logo.gif HTTP/1.1
    Accept: */*
    Host: www.aieov.com
    Response
    HTTP/1.1 403 Forbidden
    server: openresty/1.13.6.1
    date: Mon, 27 Jan 2025 20:38:04 GMT
    content-type: text/html
    content-length: 175
    x-fail-reason: Bad Actor
    connection: close
  • flag-us
    DNS
    56.163.245.4.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    56.163.245.4.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    18.31.95.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    18.31.95.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    134.130.81.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    134.130.81.91.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    22.236.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    22.236.111.52.in-addr.arpa
    IN PTR
    Response
  • 45.33.23.183:80
    http://www.aieov.com/logo.gif
    http
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    336 B
    529 B
    6
    4

    HTTP Request

    GET http://www.aieov.com/logo.gif

    HTTP Response

    403
  • 45.33.23.183:80
    http://www.aieov.com/logo.gif
    http
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    336 B
    529 B
    6
    4

    HTTP Request

    GET http://www.aieov.com/logo.gif

    HTTP Response

    403
  • 8.8.8.8:53
    232.168.11.51.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    232.168.11.51.in-addr.arpa

  • 8.8.8.8:53
    5isohu.com
    dns
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    56 B
    117 B
    1
    1

    DNS Request

    5isohu.com

  • 8.8.8.8:53
    182.129.81.91.in-addr.arpa
    dns
    72 B
    147 B
    1
    1

    DNS Request

    182.129.81.91.in-addr.arpa

  • 8.8.8.8:53
    5.114.82.104.in-addr.arpa
    dns
    71 B
    135 B
    1
    1

    DNS Request

    5.114.82.104.in-addr.arpa

  • 8.8.8.8:53
    74.32.126.40.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    74.32.126.40.in-addr.arpa

  • 8.8.8.8:53
    www.aieov.com
    dns
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    59 B
    251 B
    1
    1

    DNS Request

    www.aieov.com

    DNS Response

    45.33.23.183
    45.79.19.196
    45.56.79.23
    45.33.20.235
    45.33.30.197
    96.126.123.244
    198.58.118.167
    173.255.194.134
    72.14.178.174
    72.14.185.43
    45.33.2.79
    45.33.18.44

  • 8.8.8.8:53
    183.23.33.45.in-addr.arpa
    dns
    71 B
    113 B
    1
    1

    DNS Request

    183.23.33.45.in-addr.arpa

  • 8.8.8.8:53
    5isohu.com
    dns
    25ebe8759e48e79a41e7a566ff7d3e092e413596796c43c73f647b06c1af4129.exe
    56 B
    117 B
    1
    1

    DNS Request

    5isohu.com

  • 8.8.8.8:53
    56.163.245.4.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    56.163.245.4.in-addr.arpa

  • 8.8.8.8:53
    18.31.95.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    18.31.95.13.in-addr.arpa

  • 8.8.8.8:53
    134.130.81.91.in-addr.arpa
    dns
    72 B
    147 B
    1
    1

    DNS Request

    134.130.81.91.in-addr.arpa

  • 8.8.8.8:53
    22.236.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    22.236.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/4624-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4624-6-0x0000000000408000-0x000000000040B000-memory.dmp

    Filesize

    12KB

  • memory/4624-12-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/4624-15-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/4624-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4624-20-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

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