Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 03:50

General

  • Target

    79e42e8d362b0753459ba28408c236b0N.exe

  • Size

    4.7MB

  • MD5

    79e42e8d362b0753459ba28408c236b0

  • SHA1

    4478cb385bbf4d223372d56f28fccc9ce69d61ac

  • SHA256

    7826e53099bb1234eb2acd3f352378628013b94cc1a059169dcd8339d102075d

  • SHA512

    a530e15bc881edf4456aed1e0d6af0d28c9210d2731e32650368a7c4f76c7a5bd23505d616a26f1f9152e29fa21993df7bdaec28f92590cf4344fb6763410403

  • SSDEEP

    98304:vRPvM3zRROOBdbB0QqkFLQB6NzeTylpLXeMgF:ZHMDRRtrbB0Q1WTylc

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.

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79e42e8d362b0753459ba28408c236b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\79e42e8d362b0753459ba28408c236b0N.exe"
    1⤵
    • Identifies Wine through registry keys
    • 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
    PID:1668

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\Roaming\uTorrent\settings.dat.old

    Filesize

    7KB

    MD5

    a1c55ee11fde5f3a91b754dc882e7258

    SHA1

    450683b90102177dd05b96fdfee4f85c1ca4cf40

    SHA256

    80bdabc857304544101d74b91aaa04dc0fb93ff8603f108b633bf3c13cbd3874

    SHA512

    aa0f73b34ef00be8b34e252a376bf329b7066ee569638eef311960aede1dae7a52b394dff2f21ed7f6c050b1bb2d2d37b90fa1f3e02a803bfafa04c9f751acce

  • C:\Users\Admin\AppData\Roaming\uTorrent\toolbar.benc

    Filesize

    231B

    MD5

    1cda5503e74f672c3affe109b6bde393

    SHA1

    514283a5b5cf53c218ce4d53b1a8d38d4f2a9667

    SHA256

    ffe5bcba6dac90958524e5b4ba06e0a03707a46cbf7d92af505ca77a61dc8967

    SHA512

    fa5f127bfb79564a4f37dbf4fdf4a044b916d12caebbcce1347901467dfd89bc06c07a754fcc4354db5fd0c2246c313b30a9542fb2aadebcc3cd2d8d4ef67066

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1668-40-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-43-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-34-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-35-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1668-36-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-37-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1668-0-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-41-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-42-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-6-0x0000000000575000-0x0000000000578000-memory.dmp

    Filesize

    12KB

  • memory/1668-44-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1668-52-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-53-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/1668-54-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1668-57-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1668-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1668-60-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1668-63-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB