Analysis

  • max time kernel
    144s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 02:15

General

  • Target

    cd6fa1dcd6e80e2f64692ff90b25c1add8f40d5468624a16f2b19e5ef739b571.exe

  • Size

    3.4MB

  • MD5

    05dbee0d76e3cc943c1f4b86d94ee4f0

  • SHA1

    0becbd2e4b6dcfe10e889b0afe30acd746b58e87

  • SHA256

    cd6fa1dcd6e80e2f64692ff90b25c1add8f40d5468624a16f2b19e5ef739b571

  • SHA512

    9f7646971c7ec5024780a2eebbfeda36871677377ded3746a03f16084c1e317f7d6174c13c39b167ce2a2c25e49c97b7937eb6554dd045684eba93af69a23e0c

  • SSDEEP

    49152:62XX9nMhH9HpVYZ0CSf1pHtOUYqP3CFOrtG/JR9sXafgkDFMVR9C1UhPJXMK701K:62XX96HhpVYZo1t0xOoGBiCV2HmdR

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.

  • Loads dropped DLL 4 IoCs
  • Checks for any installed AV software in registry 1 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd6fa1dcd6e80e2f64692ff90b25c1add8f40d5468624a16f2b19e5ef739b571.exe
    "C:\Users\Admin\AppData\Local\Temp\cd6fa1dcd6e80e2f64692ff90b25c1add8f40d5468624a16f2b19e5ef739b571.exe"
    1⤵
    • Loads dropped DLL
    • Checks for any installed AV software in registry
    • 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
    PID:2440

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    2c6972120aaa31f6a3d0e6c245dc9c86

    SHA1

    a6ca4fd1d744d3e9d28489e9d67c6de0eeaaced1

    SHA256

    e53e4d3a02d3d7f67724adda0bc200bb958c296997cd01a443fe5a300f85ebbb

    SHA512

    fd8a6b6b73409f4222cf25153c9d90f3814af4b71ab556a72d48ea65be12a260a9ebebccb76b5ffd55813ed467026fe4cb315a1efc0f95517097cd3ffad7b914

  • C:\Users\Admin\AppData\Local\Temp\CabB7DC.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarB7FE.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

  • \Users\Admin\AppData\Local\Temp\Setup\ds.dll

    Filesize

    79KB

    MD5

    d9cb0b4a66458d85470ccf9b3575c0e7

    SHA1

    1572092be5489725cffbabe2f59eba094ee1d8a1

    SHA256

    6ab3fdc4038a86124e6d698620acba3abf9e854702490e245c840c096ee41d05

    SHA512

    94937e77da89181903a260eac5120e8db165f2a3493086523bc5abbe87c4a9da39af3ba1874e3407c52df6ffda29e4947062ba6abe9f05b85c42379c4be2e5e6

  • memory/2440-171-0x00000000008A0000-0x0000000000C02000-memory.dmp

    Filesize

    3.4MB

  • memory/2440-181-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2440-169-0x0000000000810000-0x0000000000854000-memory.dmp

    Filesize

    272KB

  • memory/2440-173-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2440-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2440-177-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2440-176-0x00000000008A0000-0x0000000000C02000-memory.dmp

    Filesize

    3.4MB

  • memory/2440-19-0x0000000002710000-0x0000000002726000-memory.dmp

    Filesize

    88KB

  • memory/2440-180-0x00000000008A0000-0x0000000000C02000-memory.dmp

    Filesize

    3.4MB

  • memory/2440-185-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2440-20-0x0000000074C20000-0x0000000074C36000-memory.dmp

    Filesize

    88KB

  • memory/2440-189-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2440-188-0x00000000008A0000-0x0000000000C02000-memory.dmp

    Filesize

    3.4MB

  • memory/2440-193-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB