Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 17:24

General

  • Target

    2024-12-23_0ad75f7bba22c07e6f97fd029e6948cf_bkransomware_floxif_karagany.exe

  • Size

    182KB

  • MD5

    0ad75f7bba22c07e6f97fd029e6948cf

  • SHA1

    9ec5dc724d1fd880ccafa8f2869e1be47c5ae187

  • SHA256

    0a13c1c0455d7b0648790f5008d1c418e354fe44a9875fae6eed7dc98f644c99

  • SHA512

    9fe3484f723c0bedd0a72c0663be5571fef2fffcb1cb7c4672613ff8708495d4e82037bf06162f1a342b7276af432cfa62b6ee903fcde78e578b874c716a4846

  • SSDEEP

    3072:5TP3tCWQL6qqYhFRaDOKEwV+Am2lQBV+UdE+rECWp7hKH3Jnc:5TlCWcdXa7EvbBV+UdvrEFp7hKH3Jc

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 6 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-23_0ad75f7bba22c07e6f97fd029e6948cf_bkransomware_floxif_karagany.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-23_0ad75f7bba22c07e6f97fd029e6948cf_bkransomware_floxif_karagany.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
    PID:688

Network

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

  • 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\ventoy.log

    Filesize

    4KB

    MD5

    1d9bb702ce96ea292c8c3e4f8f52c12d

    SHA1

    cf9f2646340cc5346a016f6f4e91d1d085c09246

    SHA256

    66b65b3cac5503c2700dc35e2f4b0eb103a53f4395b1201180c2326da18cd497

    SHA512

    441a1348954c61e951a4875856daf3b056761916ea0070bab4f14b462f7e5aab922ba76300034d16e6b0e7556d76c91fbb5f176a894f569caf911680092d57d7

  • memory/688-272-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-396-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-78-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-146-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-147-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/688-210-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-211-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/688-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/688-334-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-79-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/688-458-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-520-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-582-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-583-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/688-644-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-700-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-762-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-818-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/688-880-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB