Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 02:28

General

  • Target

    b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe

  • Size

    1.9MB

  • MD5

    b0e4be525d97d39f0cb74035428696c0

  • SHA1

    5ad81ab9a2bd88a561905740fa4d8aef6d99fce2

  • SHA256

    b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6

  • SHA512

    7019f7a0746d7e717e9b9f36382b47998875b30a5f72673cb518f6c2ae104db0dcf5d94a97e0a1ad1585defe0aaa70df722a52dbd0ad83866808a8bf4e0713ab

  • SSDEEP

    24576:rmF/VtOQErDkyMx1znmF/ADMijR2hERJIVFGYmF/g:iF/VterDkhmF/AZRbPyFMF/g

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe
    "C:\Users\Admin\AppData\Local\Temp\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1188
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    e803e3bb83620f598a5e828196ffc5bb

    SHA1

    e1814181593d6a5040e345006c458db47889eb55

    SHA256

    e2150e309ee4210b180d3b6a770a1d78c7840e81a7cfd482546bf1dbcac1962b

    SHA512

    3007cb24831bdc52a4968ff4239c7f38455ba876933f7cf3239d6b9545628841c5afe1208206863c01247fbd8d3014d9b1c9a1d1fe03f0ee65becc93480bb709

  • C:\Users\Admin\AppData\Local\Temp\Cab519B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar51BD.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe

    Filesize

    1.8MB

    MD5

    6f47747e573417f6c0e1c3e755e340ec

    SHA1

    81767a1efb713b742ce95631717a54e1f127c0fa

    SHA256

    fe754aca398ef41f19938802c3b7de776c988c6bd0e35615aefbdc5f7a1b54a2

    SHA512

    aaa311ec21ab244851cb175909b356ac1e98ff0453922ad738cc68dc68a8994135be02a24f5bda9bbb58ea3cfb6717b87e82b4f4ed46627db1338109969e2923

  • memory/2372-214-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2372-216-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2836-12-0x0000000074C51000-0x0000000074C52000-memory.dmp

    Filesize

    4KB

  • memory/2836-13-0x0000000074C50000-0x00000000751FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2836-14-0x0000000074C50000-0x00000000751FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2836-213-0x0000000074C50000-0x00000000751FB000-memory.dmp

    Filesize

    5.7MB