Analysis

  • max time kernel
    154s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    13-02-2022 12:48

General

  • Target

    82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe

  • Size

    128KB

  • MD5

    4e31fd6664bad6e5ca238c9dd4950758

  • SHA1

    4f267300e254b8a1a07fabb8f0b7ef9a88fe7aa5

  • SHA256

    82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e

  • SHA512

    0be72dec927fcacc713de0def97a7b639ee1a4f159d3c631b14e0ec2638572807d76c95fe2f03df83c186d960c70cfd1f1d629e2814b867425b24ae9f1e8089e

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 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
  • 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe
    "C:\Users\Admin\AppData\Local\Temp\82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\3582-490\82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe"
      2⤵
      • Executes dropped EXE
      PID:360

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe
    MD5

    c20482c114ed838c1c613b6da912178f

    SHA1

    9dc75e721d0a17dc218ee3f396a00008e4d2d966

    SHA256

    3653d87909a0315231d2adcbf3316be0d088cfd72abab00911a3afa42444e1ad

    SHA512

    03a77246d9ce1da924cd832faba2e5663378c410ed0c97ac000b16394b85f04f78913704beac5d6c7e2cf06e871014926800d8c9d0e9783f8e1185a237a7978d

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe
    MD5

    c20482c114ed838c1c613b6da912178f

    SHA1

    9dc75e721d0a17dc218ee3f396a00008e4d2d966

    SHA256

    3653d87909a0315231d2adcbf3316be0d088cfd72abab00911a3afa42444e1ad

    SHA512

    03a77246d9ce1da924cd832faba2e5663378c410ed0c97ac000b16394b85f04f78913704beac5d6c7e2cf06e871014926800d8c9d0e9783f8e1185a237a7978d

  • \Users\Admin\AppData\Local\Temp\3582-490\82a645970da492ee34918e208fc2c0195be9a8e0c07ab86d39842cfe6974d08e.exe
    MD5

    c20482c114ed838c1c613b6da912178f

    SHA1

    9dc75e721d0a17dc218ee3f396a00008e4d2d966

    SHA256

    3653d87909a0315231d2adcbf3316be0d088cfd72abab00911a3afa42444e1ad

    SHA512

    03a77246d9ce1da924cd832faba2e5663378c410ed0c97ac000b16394b85f04f78913704beac5d6c7e2cf06e871014926800d8c9d0e9783f8e1185a237a7978d

  • memory/1656-55-0x00000000763B1000-0x00000000763B3000-memory.dmp
    Filesize

    8KB