Analysis

  • max time kernel
    144s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2025, 08:07

General

  • Target

    Factura Honorarios 2025-04-13.exe

  • Size

    679KB

  • MD5

    f9d5459e950a2b3f401b9b4b4e5c8501

  • SHA1

    931d7959fa3ed26a0a196d6229d04a9250932feb

  • SHA256

    77b87775f59ad5a2564185b6565a5035d14298c3853ac8a70adbb8f10ff3bc8c

  • SHA512

    0cfd3a7e7a041f9fe814804e2c78ee6c19d8abb63ce5523bd3e66f83970c30ad7924d0087a9e579933f38f3429f657aa4271f0ab25b6ac17bb5eaab50894e297

  • SSDEEP

    12288:x+qbdKtjXR/tkhMizqpKPj2xOvp2Y0dWDop0b8i8nqBYmCeuU96ofXt1A7:x+qbdyRlkhdes2xgp2Y0ysYBYmCeyc1+

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7670096613:AAEY0JFb0a1CzByXhvZqUC9W4CQmo9fAmZM/sendMessage?chat_id=7911627152

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2025-04-13.exe
    "C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2025-04-13.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2025-04-13.exe
      "C:\Users\Admin\AppData\Local\Temp\Factura Honorarios 2025-04-13.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:712

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsb6F38.tmp

    Filesize

    5B

    MD5

    e2fecc970546c3418917879fe354826c

    SHA1

    63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

    SHA256

    ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

    SHA512

    3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

  • C:\Users\Admin\AppData\Local\Temp\nsb6F38.tmp

    Filesize

    13B

    MD5

    7a02f5fcc4fa926f656690c64b909ab6

    SHA1

    b92430a7da87fac12ae7ba0aea3cc4373a91b2ce

    SHA256

    4c9cf56a764d54f52d17f4d6a99962dee20b5fe54888357ea9532bb8c54869c9

    SHA512

    1f95dbfdda145dd50b2c9013fb165cb84eb87879442c30b92106923aaffd755358efb602640f461d81a300a06a905ba38a14eb10fa854105c577c0ce0239e70f

  • C:\Users\Admin\AppData\Local\Temp\nsb6F38.tmp

    Filesize

    47B

    MD5

    a44e5b9b8830beb622f716549767927d

    SHA1

    78160ea5ffaa4c2e170780a8c18fd36a47724cf7

    SHA256

    f90559b15f9f45cefd05f0e7b0ec4b7b254a22a2f2cc65eabd6a40ed0c889137

    SHA512

    ce3a50dc422773b2543260285c7e62617c104c797e4bb4cb16a3d1fc80d18fb6285120e71ba28522061e04c7b89954f5154a490d323ba695493d48a6fd0e43af

  • C:\Users\Admin\AppData\Local\Temp\nsb6F38.tmp

    Filesize

    52B

    MD5

    5d04a35d3950677049c7a0cf17e37125

    SHA1

    cafdd49a953864f83d387774b39b2657a253470f

    SHA256

    a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266

    SHA512

    c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b

  • C:\Users\Admin\AppData\Local\Temp\nsg6FA7.tmp

    Filesize

    25B

    MD5

    0064e905a25d25e9da3e091fec6128b4

    SHA1

    0916142d8dbc95b1603767e67e28d3abcca8f89f

    SHA256

    dbb07eb4882c53ce57bb0aa8a0707ee7e4be2a12fee11e1d17e843ec4edeba9f

    SHA512

    b94e4dfea2f088a2838174b1650ca9d3fe4e4cb75bb67e3770fbcfb277e09daaa05bbc2686744852e56db010a81a1f48da0da3b5be05470a297a58142c8bbc49

  • C:\Users\Admin\AppData\Local\Temp\nsg6FA7.tmp

    Filesize

    35B

    MD5

    1fb1355e0c0db83ebe4d28d604ad3ec1

    SHA1

    ccb6a77e6191c13b9704622890fcefa0c7d8414d

    SHA256

    9ec17471e47b0f87fcf688ddb61d0e97c62346761ca528b6ee84e5ca698bce54

    SHA512

    ae4e5e0eba6f5f3d57edfc2a1e8433c1cc7406972d5fd9fbdbbd0521a40971690a7d968287623be0a9c2328f62d25d8a5b7d47286b9779abb74ec7423ec4e44b

  • C:\Users\Admin\AppData\Local\Temp\nsg6FA7.tmp

    Filesize

    56B

    MD5

    46afbdbeaa75354cac7bb848076da26b

    SHA1

    4c737d3a1b4d52123877e1eff5c10204ea3e958e

    SHA256

    9dd741c9e0dbac1414a9c6ff7fb56344118eccd00b982882dd3f7db27c5c5a4d

    SHA512

    56ee260b4338da6ab0ff461cf053fc1a9473eb2a9b75ae7bc91e7fb4c796d74a8a7f6ee3d463b7b2d8b758a195282b6f6a134ccb98f9144a465eca811cee6f6b

  • C:\Users\Admin\AppData\Local\Temp\nsg7092.tmp

    Filesize

    30B

    MD5

    f15bfdebb2df02d02c8491bde1b4e9bd

    SHA1

    93bd46f57c3316c27cad2605ddf81d6c0bde9301

    SHA256

    c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043

    SHA512

    1757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1

  • C:\Users\Admin\AppData\Local\Temp\nsl6F27.tmp\System.dll

    Filesize

    12KB

    MD5

    9b38a1b07a0ebc5c7e59e63346ecc2db

    SHA1

    97332a2ffcf12a3e3f27e7c05213b5d7faa13735

    SHA256

    8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c

    SHA512

    26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c

  • C:\Users\Admin\AppData\Local\Temp\nsl6F77.tmp

    Filesize

    24B

    MD5

    c7b1e0162df5441fbc3308af5a364ba2

    SHA1

    f86b61c5ee11de018cd6e0683fea7b6384c11e9c

    SHA256

    c04969dc8e4f8f577e3313979fc89804ac3dc5f2108bb0ec712535ca27fd2ea5

    SHA512

    0422467fdb5258a307f8ab426fad92f580f1edfd97e97bdfc61fb40cbf17e9d262a5df6edd2296ff4cd72ab947cf166839688a1fd1aa0d389f919d4f05900904

  • C:\Users\Admin\AppData\Local\Temp\nsl6F77.tmp

    Filesize

    60B

    MD5

    96cb2bcf9f67b71516753305f6a047af

    SHA1

    4287c4403d3f62935c02d3d748212a3a54e03b12

    SHA256

    be8a1df4efd21b4cabb5b1ef06fff3d42def2d0b0975b0e5bf280c2f25392544

    SHA512

    da4cd6010ccda5fc592ca5e14a4b62577b9551f28ad409b931d5df31c63892ca9bae98f57fd856031f636fe39f78b92310c12cc5606609fd065e90a12db10acf

  • C:\Users\Admin\AppData\Local\Temp\nsv6ED8.tmp

    Filesize

    74B

    MD5

    16d513397f3c1f8334e8f3e4fc49828f

    SHA1

    4ee15afca81ca6a13af4e38240099b730d6931f0

    SHA256

    d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36

    SHA512

    4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3

  • C:\Users\Admin\AppData\Local\Temp\nsv6ED8.tmp

    Filesize

    29B

    MD5

    7bcf80ed4b7586485d227a08e4b7686b

    SHA1

    75f83d3b2fd6fc16fe54abf43839bc0512ca0046

    SHA256

    3f1b5b4bbb2d866c8c62ef732346f0dd6843cbdb2aed403f041509d0657c8b77

    SHA512

    1bc1e78b73c49ffb095dbcced9b53a1403b253a22517441ab9db1aa720ffab2a2d36222c83c1773934157324201e769fa3b109fa620c3992a6488e9a79486bb2

  • C:\Users\Admin\AppData\Local\Temp\nsv6ED8.tmp

    Filesize

    23B

    MD5

    15869c1caed4a9a2871344cb7dbc4d71

    SHA1

    23a9038b70128e16c49f56d0adc433f5b69fd227

    SHA256

    2696fe3f766a4a7724a3ed600da211862279c9c888592de75efbeffd06a6195c

    SHA512

    7ba62e6095dca0015eac6e034ed9afcc38a04665a08813c7567acad1f3c2058e6db3023d3ebc1433938d9d7f139e143d856acbc7f98b51d19f1f10054f596455

  • C:\Users\Admin\AppData\Local\Temp\nsv6ED8.tmp

    Filesize

    45B

    MD5

    5bc80a3e025e6d7c0ff9536d7af1c8b1

    SHA1

    c7dca5ef716161e30829bcfe28b59ec430fdbec0

    SHA256

    8d563467c54bb057b01f2366722a14e9416510bf4955afa746cbeb2f221312fc

    SHA512

    cca0649c6cc7a92de2c46bf64084bce5e0ce44ef5acbdcb7527231d5372d74b0a1b3d0856ecfa0d32a5a0fbf5219df8117b14bec29d513fb55da0d1f25a6ad8b

  • memory/712-569-0x00000000016C0000-0x00000000068DE000-memory.dmp

    Filesize

    82.1MB

  • memory/712-577-0x00000000016C0000-0x00000000068DE000-memory.dmp

    Filesize

    82.1MB

  • memory/712-591-0x000000003ACB0000-0x000000003ACBA000-memory.dmp

    Filesize

    40KB

  • memory/712-590-0x000000003ABC0000-0x000000003AC52000-memory.dmp

    Filesize

    584KB

  • memory/712-570-0x0000000077B58000-0x0000000077B59000-memory.dmp

    Filesize

    4KB

  • memory/712-571-0x0000000077B75000-0x0000000077B76000-memory.dmp

    Filesize

    4KB

  • memory/712-575-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/712-576-0x0000000077AD1000-0x0000000077BF1000-memory.dmp

    Filesize

    1.1MB

  • memory/712-578-0x00000000729CE000-0x00000000729CF000-memory.dmp

    Filesize

    4KB

  • memory/712-579-0x0000000000460000-0x00000000004AA000-memory.dmp

    Filesize

    296KB

  • memory/712-580-0x00000000396D0000-0x0000000039C74000-memory.dmp

    Filesize

    5.6MB

  • memory/712-588-0x00000000729C0000-0x0000000073170000-memory.dmp

    Filesize

    7.7MB

  • memory/712-581-0x0000000039C80000-0x0000000039D1C000-memory.dmp

    Filesize

    624KB

  • memory/712-582-0x00000000729C0000-0x0000000073170000-memory.dmp

    Filesize

    7.7MB

  • memory/712-584-0x000000003A260000-0x000000003A422000-memory.dmp

    Filesize

    1.8MB

  • memory/712-585-0x000000003A430000-0x000000003A480000-memory.dmp

    Filesize

    320KB

  • memory/712-586-0x000000003A630000-0x000000003AB5C000-memory.dmp

    Filesize

    5.2MB

  • memory/712-587-0x00000000729CE000-0x00000000729CF000-memory.dmp

    Filesize

    4KB

  • memory/2828-567-0x0000000077AD1000-0x0000000077BF1000-memory.dmp

    Filesize

    1.1MB

  • memory/2828-566-0x0000000077AD1000-0x0000000077BF1000-memory.dmp

    Filesize

    1.1MB

  • memory/2828-568-0x0000000074935000-0x0000000074936000-memory.dmp

    Filesize

    4KB