Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2024 02:15

General

  • Target

    390e2baabc396c5b04a8f069e3d93200N.exe

  • Size

    1.3MB

  • MD5

    390e2baabc396c5b04a8f069e3d93200

  • SHA1

    45468469500ba0a9cd352960fad8499d263dcc8d

  • SHA256

    e85695e600e20f06acf356c5f97070c21491648c10997625050a96d1c47691e4

  • SHA512

    7d1a673efb215abe427b0d3ada9732e3c2ca2bb0644ccb4f74adbe68d7c1c766117227ab7c93302a41908a308c2d22ba81d308a5a54833e3dadf344e2d771771

  • SSDEEP

    24576:/bbPImgK4brDi4IxgRqzwqNb+Yz73P2EMZbG0JEtp5qx9U1C:/HeKh4nqzF3PYdStpM3

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 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 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
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\390e2baabc396c5b04a8f069e3d93200N.exe
    "C:\Users\Admin\AppData\Local\Temp\390e2baabc396c5b04a8f069e3d93200N.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:2308
    • C:\Users\Admin\AppData\Local\Temp\3582-490\390e2baabc396c5b04a8f069e3d93200N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\390e2baabc396c5b04a8f069e3d93200N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2400

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

  • \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\390e2baabc396c5b04a8f069e3d93200N.exe

    Filesize

    1.2MB

    MD5

    838193255fc60eb02d15a546974e310b

    SHA1

    0ff7362ce8d44a489869dd364385d363f57ba942

    SHA256

    f8b6340d53923f38d8964385b4ea66b3745e90226f955f126131ac1266a49845

    SHA512

    07172e892301b18ea0e9883ddc1f34bac6ebdd12de755be601aafa168aa8a4560e120652dee66d41d94a0aac7be19ee841a83b2858ebca2aa66ffce092d9fe0d

  • memory/2308-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2308-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2400-8-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2400-85-0x0000000000400000-0x0000000000543000-memory.dmp

    Filesize

    1.3MB