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Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2024, 05:05

General

  • Target

    f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe

  • Size

    841KB

  • MD5

    6b34e2289e78e1e251655b8da5b7446c

  • SHA1

    c74c065b9169e1ae7ee01d4bcdd265e25a22595d

  • SHA256

    f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597

  • SHA512

    6d469c34b74696b19ae32ce07aa98917ed11d3db15f339a0a456bf93e2005f2c0af42f5e34e94d06893cc7906ff5de5ba6bc1c243544ed586d64bd8444a041f6

  • SSDEEP

    12288:faWzgMG7v3qnCiLErQohhQb4cCJ8lnyuQ4BgWlRPT0lBjvrEH7Hn:CaH2v6CTrj+nyuQ4hRPUrEH7H

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.

  • Loads dropped DLL 4 IoCs
  • UPX packed file 12 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe
    "C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe
      "C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe" /P:459030
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2404
      • C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe
        "C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe" /P:459030
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4112
        • C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe
          "C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.exe" /TI/ /P:459030
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:4552

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\2d4d0s4m.tmp

    Filesize

    29KB

    MD5

    31c5a8d7f0d900bfff09d437a7457478

    SHA1

    c32f7abbc47949c340a2136bb8cc4787f05b1eff

    SHA256

    89da44ebaa36a31740f9dbc585cefc3f55cf725f7d8d745b44ba259f0a1d8455

    SHA512

    0089a7e5e0c3d7b8a226775f30983e901b323846d5263366672390ebbbd9212bd72bdb87c7baeeb09c6438317a66f5ccfc20cd898579190e6bb7579dd1cd158a

  • C:\Users\Admin\AppData\Local\Temp\6xhv3p7x.tmp

    Filesize

    29KB

    MD5

    c857a930b241455b7961a16c96ddf256

    SHA1

    40f6df790dc7bc1e7daa1f48a729453a2ffd9efa

    SHA256

    b2023c405900d194c0a00ea1cabefa96f3abcb73c2da88c3802594811a128bbc

    SHA512

    702b4c9327cddd5d8baac050376143e42ac4632afb0e1b605a0d3a7d448a9f570296981b509f66cab56926a6c52bb8fd90b6014a89d433e3b8f41396b6fe7bcb

  • C:\Users\Admin\AppData\Local\Temp\A1D26E2\64967DC178.tmp

    Filesize

    764KB

    MD5

    408dd6ade80f2ebbc2e5470a1fb506f1

    SHA1

    e00293ce0eb534874efd615ae590cf6aa3858ba4

    SHA256

    4c82fbafef9bab484a2fbe23e4ec8aac06e8e296d6c9e496f4a589f97fd4ab71

    SHA512

    4dbb2ef7374137edd0e7608822223188dda924967edd8d6650427eace2f90481a8f64b9c3f8bfdec5bc3dd31952d1491685562ce617f2c2c5afc5070cc9a62d0

  • C:\Users\Admin\AppData\Local\Temp\f9dfd791515ca089de8b77257d47e0ef0349fee7f1917769841cd3a086157597.ini

    Filesize

    3KB

    MD5

    55a68f2ddffff4dea1192d3553270b67

    SHA1

    6dbcec6e8d7efafa1b146c42b6a8c5410b733490

    SHA256

    e344050ca6b89c9f63b36824663ee81ec6ecdce9640374060c3c581ecec6cf08

    SHA512

    3a618f4f257f0eba40078023f0767b55a0d89d04b086328d9a63f04980a872f0f5945b942534d69c97a2991710014817467914a32f3904e5b681d9f455cdf600

  • C:\Windows\Temp\4d1d1s2m.tmp

    Filesize

    29KB

    MD5

    a69e54b63a067cefab41736717e9348b

    SHA1

    96e00b5f3170d19d173e62b97c1691fac8edfb98

    SHA256

    c72184932dd0541095be4827e5f86b3db735cfc651f04b50a1cc783d9037d75d

    SHA512

    13385b98377cb664907a5189cbf63f575c86b5b705df2a458ae21c6fd63f6cbf77451e8f17b22af8921a3342f31445278cb8450e1cc58fe33eecffe81e56cdda

  • C:\Windows\Temp\4d5d5s2m.tmp

    Filesize

    29KB

    MD5

    1c9fed3d9916075d80c21e1fddc30412

    SHA1

    5bc7f275a846ae135e655549c27ebd02210fdb3b

    SHA256

    c51bdd9882e9e515838b663120d9303d30a01fe0b3bec498c1311072ccda61d9

    SHA512

    72e512bf1ed285126fe58084949d9f4be2a98fc8e196743fcd6bd5340bff36c294c18c7581562dda88435b24b4a5234ac189818e0d0e017bb4cfcbe0b11deec4

  • C:\Windows\Temp\aut692A.tmp

    Filesize

    11KB

    MD5

    c87a407a6decc862e3132efc8ab504c9

    SHA1

    20cd713fa491119aabfd25a7cce7a8209098f903

    SHA256

    439de9f662754bbcfc211658ce3f1c1730e85df199ed1e067940e28831d2c758

    SHA512

    8bed0ca582ca5b46f0c6922995343388df0d84d063512308d3f58c31da1811cb2c47b87be0ce5de4a1fb8ce14f89f8f3197f31bb0ca989fa159514f6751e1832

  • C:\Windows\Temp\aut692B.tmp

    Filesize

    10KB

    MD5

    bdb4dcbcec51d9ee1afee83221921fee

    SHA1

    21d56a9334238297d1a09aba46043cc36c9e2d3c

    SHA256

    9e5d8505b986e40cce00707180334fead34c0c3b590c458305de89e4bbc85f75

    SHA512

    cad20e6355cfe1e42a4ee7f5350a033ec79b8ed2689d8c6fa11bb1c3ae2a99425f03d95312ed9daf5c2543fc7ce38239fca41700cbecbc02a007a669ffd81fa5

  • C:\Windows\Temp\aut692C.tmp

    Filesize

    5KB

    MD5

    3886aae8ae30f288363ce4d2ac4f81c2

    SHA1

    19441c886b57ed9f4650f614f0d93501d0a33e40

    SHA256

    37f10f3d46a2886cac6169a398e91dd8cd0cfd06a7b6812e1afb68c4c031b9fd

    SHA512

    b37aa26a5324723d9b8a7b919c3727565a1e1974ba1316093b59dbe4a75f5e0773288894d7abb403d65688e0e3f29ef4b48af7a8048e64fe36199bf8d371fb31

  • memory/376-204-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/376-9-0x000000000044B000-0x000000000044E000-memory.dmp

    Filesize

    12KB

  • memory/376-180-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/376-192-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/376-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/376-186-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2404-116-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2404-117-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/2404-89-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/2404-86-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4112-121-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/4112-149-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4112-150-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/4112-118-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4552-183-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4552-147-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB