Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 01:47

General

  • Target

    2024-12-31_8a02327c809fee13250d1c2bd0311138_floxif_mafia.exe

  • Size

    2.4MB

  • MD5

    8a02327c809fee13250d1c2bd0311138

  • SHA1

    3658348e4859f5ddd455bfdb8c9321500bfcfed2

  • SHA256

    aabc2ca9780d390228290b76096671c9c2a5eb91db6fb7cbfc256e7788bf515d

  • SHA512

    315b8e002a61034e618eb1c303628fbba6edb33c69dd32c8e0483e56a3b363406b3326d80ff011ed6185f9b7569110ce166302fca403a8f40831b36abfe077d0

  • SSDEEP

    49152:23uE7AyqIxGrGYyZa/tgrYJUGfZC3wA6EylfwEaFW31qY:jE7ANrlyutLxC3sEwwM3UY

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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 IoCs
  • Network Service Discovery 1 TTPs 9 IoCs

    Attempt to gather information on host's network.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 22 IoCs

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

  • Drops file in Program Files directory 48 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-31_8a02327c809fee13250d1c2bd0311138_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-31_8a02327c809fee13250d1c2bd0311138_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\arp.exe
      arp -a
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.0.1 7f-7e-ed-de-1d-76
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2612
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.255.255 25-2e-28-1f-af-8b
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\arp.exe
      arp -s 49.12.169.207 c1-c4-21-73-e6-d9
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2376
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.22 03-82-26-82-9f-4a
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2884
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.251 b7-26-a1-9a-45-72
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.252 65-8a-64-18-82-d4
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:336
    • C:\Windows\SysWOW64\arp.exe
      arp -s 239.255.255.250 a4-09-05-c5-a4-98
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2780
    • C:\Windows\SysWOW64\arp.exe
      arp -s 255.255.255.255 a2-7a-0c-4d-9a-0c
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2768
    • C:\Users\Admin\AppData\Local\Temp\minidownload.exe
      "C:\Users\Admin\AppData\Local\Temp\minidownload.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Program Files (x86)\SogouSoftware\SogouSoftware.exe
      "C:\Program Files (x86)\SogouSoftware\SogouSoftware.exe" /Loader /DownLoad?status=true&softurl=https%3A%2F%2Fxiazai.sogou.com%2Fcomm%2Fredir%3Fsoftdown%3D1%26u%3DG30HdQ8G4ngDpbEHfW1gEXYhwD6lzpDc8HlTAHx7scbrxDthotkHK0HexvlOWvJbJd76eqnPU0MQPeaLH3gS2w..%26pcid%3D-2241203717467645359%26fr%3Dxiazai%26source%3Dxixi%26filename%3Dpdfwjt.zip&iconurl=https%3A%2F%2Fpic.cr173.com%2Fup%2F2014-4%2F201449152326.jpg&softname=PDF%E8%BD%AC%E6%8D%A2%E9%80%9A&softsize=19.05MB
      2⤵
      • Executes dropped EXE
      PID:1204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\SogouSoftware\SogouSoftware.exe

    Filesize

    232KB

    MD5

    0bc2d003fcfe3fa65f4c3ba7a015fa41

    SHA1

    72ed85bc1c57259b4f2ed36d16ce3fed4e30607c

    SHA256

    388069590fb9569b6c498f941d0565416cb52fc803648ee21b8c59917c63eb4b

    SHA512

    ae8d83e6ca21ee9b0d5e5845fac3a4dc01c6038243da36b4360b2f42763478265cdafc89072c47672b9738de1930e5e5191e2bf91715055cbd16a949d313ff24

  • C:\Program Files (x86)\SogouSoftware\download\download\.svn\prop-base\atl71.dll.svn-base

    Filesize

    53B

    MD5

    113136892f2137aa0116093a524ade0b

    SHA1

    a0284943f8ddfe69ceec90833e66d96bdf4a97f0

    SHA256

    ebbf7e8800c3446bc3a195fa53573bde1073b0bf7581a614372f1391a9286d02

    SHA512

    d3201cc19ae702a9813aa8bc39612ebaa48138903e9ede64dcadff213691f6e711876aa4fa083887c545325d5d8bf70649523c528090542459f2b01697180e99

  • C:\Users\Admin\AppData\Local\Temp\Cab126A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar127D.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\minidownload.exe

    Filesize

    1.9MB

    MD5

    0618e9851ea4a522abeded8d40c2f19e

    SHA1

    c6772967fdf545e32d28f3b46e97aec5b9ff99f5

    SHA256

    506c374fbdf14420306e2da8d123c2138c2ceabd2046178317508a25949d3dc4

    SHA512

    b8c4816d81aa14646a3b690da76c0d33f59b7d419305638747503dba6bb84a63b906fe7d0ced59850ad25db37c1e0e6f3bd614a902f2f5ffb3d2bf74ec4e571f

  • \??\c:\program files (x86)\sogousoftware\SogouSoftwareLoader.dll

    Filesize

    450KB

    MD5

    b1ce2dba9515e144908aa34ac77f5a46

    SHA1

    0a3e601eeba273a16d815c5e59793eb73db9daad

    SHA256

    5a7349e46f16ec394af8575b666c132c010bacaa2c59da472b842ffeccc5623f

    SHA512

    d0a78b5de9126b8126b531fb8f72ae375aac898930dccd8a61f173c28470895daab56b368c34a5925020dfdc642785651445967904d8756bb1ce7c1d2f95525a

  • \??\c:\program files (x86)\sogousoftware\crash\ExceptionReport.exe

    Filesize

    110KB

    MD5

    5d4a135fedd49b7ab79cf2c2d8e2d611

    SHA1

    4f838f694da6f598d81f71751fb1ba70e6dcffa2

    SHA256

    1624c019d1f2befa579420a71649b352cae80afa1e43409e9ad5bf2a5ab0dd7a

    SHA512

    a83d95f4fabb69238c5f84bffa9421003226d9c6b75f632c04a3a282a0966cb8ef4363bf18d42ef65980f306e0bf47b762e0f2f412106da204940f215f52efd7

  • \??\c:\program files (x86)\sogousoftware\download\download\MiniTPFw.exe

    Filesize

    58KB

    MD5

    58bb62e88687791ad2ea5d8d6e3fe18b

    SHA1

    0ffb029064741d10c9cf3f629202aa97167883de

    SHA256

    f02fa7ddab2593492b9b68e3f485e59eb755380a9235f6269705f6d219dff100

    SHA512

    cd36b28f87be9cf718f0c44bf7c500d53186edc08889bcfa5222041ff31c5cbee509b186004480efbd99c36b2233182ae0969447f4051510e1771a73ed209da5

  • \??\c:\program files (x86)\sogousoftware\download\download\MiniThunderPlatform.exe

    Filesize

    262KB

    MD5

    e2e9483568dc53f68be0b80c34fe27fb

    SHA1

    8919397fcc5ce4f91fe0dc4e6f55cea5d39e4bb9

    SHA256

    205c40f2733ba3e30cc538adc6ac6ee46f4c84a245337a36108095b9280abb37

    SHA512

    b6810288e5f9ad49dcbf13bf339eb775c52e1634cfa243535ab46fda97f5a2aac112549d21e2c30a95306a57363819be8ad5efd4525e27b6c446c17c9c587e4e

  • \??\c:\program files (x86)\sogousoftware\download\download\ThunderFW.exe

    Filesize

    71KB

    MD5

    f0372ff8a6148498b19e04203dbb9e69

    SHA1

    27fe4b5f8cb9464ab5ddc63e69c3c180b77dbde8

    SHA256

    298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf

    SHA512

    65d84817cdddb808b6e0ab964a4b41e96f7ce129e3cc8c253a31642efe73a9b7070638c22c659033e1479322aceea49d1afdceff54f8ed044b1513bffd33f865

  • \??\c:\program files (x86)\sogousoftware\download\download\atl71.dll

    Filesize

    87KB

    MD5

    79cb6457c81ada9eb7f2087ce799aaa7

    SHA1

    322ddde439d9254182f5945be8d97e9d897561ae

    SHA256

    a68e1297fae2bcf854b47ffa444f490353028de1fa2ca713b6cf6cc5aa22b88a

    SHA512

    eca4b91109d105b2ce8c40710b8e3309c4cc944194843b7930e06daf3d1df6ae85c1b7063036c7e5cd10276e5e5535b33e49930adbad88166228316283d011b8

  • \??\c:\program files (x86)\sogousoftware\download\download\dl_peer_id.dll

    Filesize

    89KB

    MD5

    dba9a19752b52943a0850a7e19ac600a

    SHA1

    3485ac30cd7340eccb0457bca37cf4a6dfda583d

    SHA256

    69a5e2a51094dc8f30788d63243b12a0eb2759a3f3c3a159b85fd422fc00ac26

    SHA512

    a42c1ec5594c6f6cae10524cdad1f9da2bdc407f46e685e56107de781b9bce8210a8cd1a53edacd61365d37a1c7ceba3b0891343cf2c31d258681e3bf85049d3

  • \??\c:\program files (x86)\sogousoftware\download\download\download_engine.dll

    Filesize

    3.4MB

    MD5

    1a87ff238df9ea26e76b56f34e18402c

    SHA1

    2df48c31f3b3adb118f6472b5a2dc3081b302d7c

    SHA256

    abaeb5121548256577ddd8b0fc30c9ff3790649ad6a0704e4e30d62e70a72964

    SHA512

    b2e63aba8c081d3d38bd9633a1313f97b586b69ae0301d3b32b889690327a575b55097f19cc87c6e6ed345f1b4439d28f981fdb094e6a095018a10921dae80d9

  • \??\c:\program files (x86)\sogousoftware\download\download\msvcp71.dll

    Filesize

    492KB

    MD5

    a94dc60a90efd7a35c36d971e3ee7470

    SHA1

    f936f612bc779e4ba067f77514b68c329180a380

    SHA256

    6c483cbe349863c7dcf6f8cb7334e7d28c299e7d5aa063297ea2f62352f6bdd9

    SHA512

    ff6c41d56337cac074582002d60cbc57263a31480c67ee8999bc02fc473b331eefed93ee938718d297877cf48471c7512741b4aebc0636afc78991cdf6eddfab

  • \??\c:\program files (x86)\sogousoftware\download\download\msvcr71.dll

    Filesize

    340KB

    MD5

    ca2f560921b7b8be1cf555a5a18d54c3

    SHA1

    432dbcf54b6f1142058b413a9d52668a2bde011d

    SHA256

    c4d4339df314a27ff75a38967b7569d9962337b8d4cd4b0db3aba5ff72b2bfbb

    SHA512

    23e0bdd9458a5a8e0f9bbcb7f6ce4f87fcc9e47c1ee15f964c17ff9fe8d0f82dd3a0f90263daaf1ee87fad4a238aa0ee92a16b3e2c67f47c84d575768edba43e

  • \??\c:\program files (x86)\sogousoftware\download\download\zlib1.dll

    Filesize

    58KB

    MD5

    89f6488524eaa3e5a66c5f34f3b92405

    SHA1

    330f9f6da03ae96dfa77dd92aae9a294ead9c7f7

    SHA256

    bd29d2b1f930e4b660adf71606d1b9634188b7160a704a8d140cadafb46e1e56

    SHA512

    cfe72872c89c055d59d4de07a3a14cd84a7e0a12f166e018748b9674045b694793b6a08863e791be4f9095a34471fd6abe76828dc8c653be8c66923a5802b31e

  • \Program Files (x86)\SogouSoftware\SogouSoftwareLoader.dll.tmp

    Filesize

    531KB

    MD5

    80838fdcf1d44d8cb303657e3fd972d6

    SHA1

    61fed4511742bb41d4c4976f54197a9f987a88ff

    SHA256

    c48cd70f9e54a5c13c488678885bab7c0d2f6d6657c9d80b65ac580f08860fcc

    SHA512

    02da310147e1179b12312e67cc2949dede214e868656f2d5a19df21a6fdfc62d56b41eb379c1520a10800e19ff30e85d6c8cb8b4fd034f52ac229fcdfe093d08

  • \Program Files (x86)\SogouSoftware\crash\ExceptionReport.exe.tmp

    Filesize

    190KB

    MD5

    18d439b89109c4619c42507d601ff1de

    SHA1

    495ca0a725f38a8adb0ba6ac3664db2b9205a8e0

    SHA256

    d1bda6ced74f7f97df8c29ddfa875b3d4f61314156ca1e537123c57e66126904

    SHA512

    a08c0abeb10a53d46e1e97c943f14395cc7b1fc896607b9c64207a0d1c9cfcf1bbeba6d7bd5dbffca85a123031811c8974b09091ff84b8105730586626a93712

  • \Program Files (x86)\SogouSoftware\download\download\atl71.dll.tmp

    Filesize

    167KB

    MD5

    d58968f8006359bd134994989ac708f6

    SHA1

    6631c7dc6ef81cae0e41c2c5a9472b70f8d8506c

    SHA256

    69f1dca435332e7d3e28be5cf0ad062df54bed93aa25ef74af4ceb70352f60c2

    SHA512

    9a906a2fb599958495cbd2743211dd0214a0bc44bfcb50852c6766952c31a451a6a237a0a1c9e355a3ff658f25f27af8fa06232f906c9610d6aa18cd82a6633a

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

    Filesize

    71KB

    MD5

    4fcd7574537cebec8e75b4e646996643

    SHA1

    efa59bb9050fb656b90d5d40c942fb2a304f2a8b

    SHA256

    8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

    SHA512

    7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

  • memory/336-46-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/336-76-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2376-41-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2612-40-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2640-48-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2640-24-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2656-11-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2656-7-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2668-51-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2668-43-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2768-20-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2768-13-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2780-42-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2780-74-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2812-106-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2812-58-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2872-107-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2872-3-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2872-8-0x0000000000931000-0x0000000000932000-memory.dmp

    Filesize

    4KB

  • memory/2872-189-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2872-187-0x0000000000930000-0x0000000000B7A000-memory.dmp

    Filesize

    2.3MB

  • memory/2884-15-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2884-22-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB