Analysis

  • max time kernel
    143s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 01:50

General

  • Target

    2024-12-24_8c1655c9288a1b2b3dd4d9d667866186_floxif_icedid.exe

  • Size

    2.6MB

  • MD5

    8c1655c9288a1b2b3dd4d9d667866186

  • SHA1

    ccad7ef3c97858b83b2cc7f6bc588c396209981b

  • SHA256

    4673d46f3d6d5e3e460114e02ed27d951768f4f10a6e4d95a18a1b58b9ccfa14

  • SHA512

    b182bfe10d7d2a849d3b8370ea5a2987c57dfbd5ccbe3bfabf26ae75a4d9c9b42998fcdbdc387442ee4b53decd91189a55a86571b9bbbf546860f4806dcb8b6e

  • SSDEEP

    24576:RpqzhKwykVFLvty85U+PzYCFf5lAVElV7mTYSlLGaqlI0d6PSdTjo8ufJa/zfzk7:RpAhDFy+zcOgLvqlI0gQTWfJa/jzkjkA

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 8 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.

  • Modifies system certificate store 2 TTPs 2 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\2024-12-24_8c1655c9288a1b2b3dd4d9d667866186_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-24_8c1655c9288a1b2b3dd4d9d667866186_floxif_icedid.exe"
    1⤵
    • 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:2236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • C:\Users\Admin\AppData\Local\Temp\CabDF88.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarDFF8.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2236-26-0x0000000074AA0000-0x0000000074AD5000-memory.dmp

    Filesize

    212KB

  • memory/2236-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2236-10-0x0000000074AA6000-0x0000000074AA7000-memory.dmp

    Filesize

    4KB

  • memory/2236-94-0x0000000074AA6000-0x0000000074AA7000-memory.dmp

    Filesize

    4KB

  • memory/2236-95-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2236-98-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2236-101-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2236-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2236-104-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2236-107-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB