Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 18:32

General

  • Target

    0bd1ac6998273af2114250856ced66145b90844e6d2d65bcdb4a104ec807e655.exe

  • Size

    185KB

  • MD5

    57e77e5e893d3014ce8f0ad25164bb4d

  • SHA1

    b6899d1b89cd2a28bd3ed204cd6de643a61385e7

  • SHA256

    0bd1ac6998273af2114250856ced66145b90844e6d2d65bcdb4a104ec807e655

  • SHA512

    58ef5f841a84b2c669f0ded568a1649d78545baae990dc7615983bddcf0d72376b758fd428c3dadd6b66247be733381bb7f5d45ff08eafa33a11ea51b9e67042

  • SSDEEP

    3072:sr85CeNtaoEF+Gu6PdQ8Xdqw+G3B8DAp0B8B8DApf7Igf:k9o9iP4Jo8DL+8De7t

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.

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bd1ac6998273af2114250856ced66145b90844e6d2d65bcdb4a104ec807e655.exe
    "C:\Users\Admin\AppData\Local\Temp\0bd1ac6998273af2114250856ced66145b90844e6d2d65bcdb4a104ec807e655.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:2348
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0bd1ac6998273af2114250856ced66145b90844e6d2d65bcdb4a104ec807e655.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0bd1ac6998273af2114250856ced66145b90844e6d2d65bcdb4a104ec807e655.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1168
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:444

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

    29df4b7621617085267f3fb36461b608

    SHA1

    aea4ab7e317190d883c2588b10338a1fe740d1f3

    SHA256

    de7c9e326a52e14a6462cbf272841752a77d2eb6386fdc732ffff395c2ccadc3

    SHA512

    8655334a2503d90aba5d4410ae81c1cfac021f32dfed7d69b4ed4cdc717a193470c8b6354b0d8e6ca293be5b49570d6c5050b6ab7338aec27d3b5b557cde7f07

  • C:\Users\Admin\AppData\Local\Temp\CabBFF7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC029.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\0bd1ac6998273af2114250856ced66145b90844e6d2d65bcdb4a104ec807e655.exe

    Filesize

    144KB

    MD5

    34f23bc4439fe6bf3d8df12c6abc3d7c

    SHA1

    36c031579b70981efa9f374118b11e03273761d8

    SHA256

    e968c74e3603a6212917a5bb92feaade48009a9407d1b0ced5458dd60dc7cc53

    SHA512

    980428043294b344952b3b824a4935cfae939e0e09a8ee5ae35d30f402fc2c0ae81daa57c32736109a3e8e81078508c736d253cf6f173975058e895517e66a28

  • memory/2076-12-0x0000000073FE1000-0x0000000073FE2000-memory.dmp

    Filesize

    4KB

  • memory/2076-13-0x0000000073FE0000-0x000000007458B000-memory.dmp

    Filesize

    5.7MB

  • memory/2076-14-0x0000000073FE0000-0x000000007458B000-memory.dmp

    Filesize

    5.7MB

  • memory/2076-231-0x0000000073FE0000-0x000000007458B000-memory.dmp

    Filesize

    5.7MB

  • memory/2348-232-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2348-234-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB