Analysis

  • max time kernel
    120s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    31-01-2022 20:43

General

  • Target

    000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.exe

  • Size

    244KB

  • MD5

    bd53294ff7a4d0d7cdcddcddf0aeab0a

  • SHA1

    4f9dfd345aaf3b223bd3d82ff3d3aa1ff8a28cee

  • SHA256

    000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c

  • SHA512

    03c67c0baa664f3ce2c15b65dd3055fa418d19094502200464dbb9b0d7b52519b768036760f62dfaec29774e2c5edf0d2ddb63578ae4d0cc15fbf1ccfbd36910

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.exe
    "C:\Users\Admin\AppData\Local\Temp\000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.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:268
    • C:\Users\Admin\AppData\Local\Temp\3582-490\000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.exe
    MD5

    70220392fc50481f24a0ec375cc0b154

    SHA1

    615816b1ce3c16d2d730b893c270bb3af25bbba3

    SHA256

    fa69aebe41e184d76f5c61c83440c9a50a7e01e52b1692fff21c1815138fdb3e

    SHA512

    f7d1e2610c298f5758c34e96ff932d4757a57551e6b1b092b0b6b2ecb7fbc7024996c5ce49e9f10a17a06be9405b74fb000bd8f112c891273aebf01f7aaacd09

  • \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\000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.exe
    MD5

    70220392fc50481f24a0ec375cc0b154

    SHA1

    615816b1ce3c16d2d730b893c270bb3af25bbba3

    SHA256

    fa69aebe41e184d76f5c61c83440c9a50a7e01e52b1692fff21c1815138fdb3e

    SHA512

    f7d1e2610c298f5758c34e96ff932d4757a57551e6b1b092b0b6b2ecb7fbc7024996c5ce49e9f10a17a06be9405b74fb000bd8f112c891273aebf01f7aaacd09

  • \Users\Admin\AppData\Local\Temp\3582-490\000cb59a2494f8329f0fb33bd478e85147071b1859b909e4edf6065452590e4c.exe
    MD5

    70220392fc50481f24a0ec375cc0b154

    SHA1

    615816b1ce3c16d2d730b893c270bb3af25bbba3

    SHA256

    fa69aebe41e184d76f5c61c83440c9a50a7e01e52b1692fff21c1815138fdb3e

    SHA512

    f7d1e2610c298f5758c34e96ff932d4757a57551e6b1b092b0b6b2ecb7fbc7024996c5ce49e9f10a17a06be9405b74fb000bd8f112c891273aebf01f7aaacd09

  • memory/268-54-0x0000000074F01000-0x0000000074F03000-memory.dmp
    Filesize

    8KB