Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 14:34

General

  • Target

    0499e7cca5387669f79a1f715e112e252f526d07014f25d43f5f9d18dc9796b0N.exe

  • Size

    7.0MB

  • MD5

    b03e26aa9ead29a1f3cc873c342af6f0

  • SHA1

    79547f39b3f8772ce5bff2e58331f6cf88229b55

  • SHA256

    0499e7cca5387669f79a1f715e112e252f526d07014f25d43f5f9d18dc9796b0

  • SHA512

    ae401f5ac2a4962822d517b63eb1b24bce4dd5844a2b01d1df70a0021ab710dd4b375b4b259d73af28533d0210f2af8240bb6c282122390b334841c265841c05

  • SSDEEP

    196608:VaDvLHyZENKZbC+O05l8i+DHRDigS+HFs:E+oKI+dlgDjS+Hm

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.

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 2 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 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0499e7cca5387669f79a1f715e112e252f526d07014f25d43f5f9d18dc9796b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\0499e7cca5387669f79a1f715e112e252f526d07014f25d43f5f9d18dc9796b0N.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:2888
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0499e7cca5387669f79a1f715e112e252f526d07014f25d43f5f9d18dc9796b0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0499e7cca5387669f79a1f715e112e252f526d07014f25d43f5f9d18dc9796b0N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2312

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\Local\Temp\CabEE76.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarF185.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\0499e7cca5387669f79a1f715e112e252f526d07014f25d43f5f9d18dc9796b0N.exe

    Filesize

    6.9MB

    MD5

    d471a534656b90600f8f4056c0f3b55e

    SHA1

    76a9a545a064ba3d00f5ba07b7656304364d6e9b

    SHA256

    eca3f509296ff86cc4c1e0404f7d77cd8a1348fffc55a87af6d39593622a4834

    SHA512

    76e943232a604bc7fbf34e134cb1a5f2f26136daa6d6b4946f0c20101c58a205e0a8fc218d61239a1dc3aa571fa5f064d6e323bb2c9e6e498d4d32ede9b4a8bc

  • memory/2888-119-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2888-121-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB