Analysis

  • max time kernel
    67s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 11:22

General

  • Target

    3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.exe

  • Size

    1.3MB

  • MD5

    49a53e172f558c2373163d961a37fac0

  • SHA1

    b0eae229b0a84cf0b2ea2ccae7958c0b9a7a753c

  • SHA256

    3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b

  • SHA512

    241cf346f9623a8fa80dc4d286d1735352c3be783b0297c97d94f687424381bb2a6d1037b8f04479cc2bcdc8d4dbb5c23d0e0c3c6f318c9adba000eeea9d1f77

  • SSDEEP

    12288:wTginfIG0VLyLJQ7UqtV+yJJIxpIWQVqfem6ZceLzYszSt7Yb5FuAk:yginQ7L3VFHWCqfeXYht2FuV

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\3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.exe
    "C:\Users\Admin\AppData\Local\Temp\3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.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:1808
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.exe"
      2⤵
      • Executes dropped EXE
      PID:1756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.exe

    Filesize

    1.3MB

    MD5

    99763d7202d48f719d51d35cc0a59f08

    SHA1

    66a170b92b3e0e1bf5d8169ff03526338d777dc2

    SHA256

    ea868ceb651c24cf6d742953cbc3213c79d73240ad1d3f35f5c83fd2da45f2e7

    SHA512

    c37b17bb94fdf5e33b4d36cad6b5f12eccde36dcc7f99c8be55e813f6d9e01ed4a6dfffad06086985fc4f60fec31a600f8e9c52c7ade74bbb96f10e5ef50f67d

  • \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\3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.exe

    Filesize

    1.3MB

    MD5

    99763d7202d48f719d51d35cc0a59f08

    SHA1

    66a170b92b3e0e1bf5d8169ff03526338d777dc2

    SHA256

    ea868ceb651c24cf6d742953cbc3213c79d73240ad1d3f35f5c83fd2da45f2e7

    SHA512

    c37b17bb94fdf5e33b4d36cad6b5f12eccde36dcc7f99c8be55e813f6d9e01ed4a6dfffad06086985fc4f60fec31a600f8e9c52c7ade74bbb96f10e5ef50f67d

  • \Users\Admin\AppData\Local\Temp\3582-490\3be14d004d4becb8539e23d6719f2cb2f0fc57f0adf1cc5fa7c80804e55cfa3b.exe

    Filesize

    1.3MB

    MD5

    99763d7202d48f719d51d35cc0a59f08

    SHA1

    66a170b92b3e0e1bf5d8169ff03526338d777dc2

    SHA256

    ea868ceb651c24cf6d742953cbc3213c79d73240ad1d3f35f5c83fd2da45f2e7

    SHA512

    c37b17bb94fdf5e33b4d36cad6b5f12eccde36dcc7f99c8be55e813f6d9e01ed4a6dfffad06086985fc4f60fec31a600f8e9c52c7ade74bbb96f10e5ef50f67d

  • memory/1756-57-0x0000000000000000-mapping.dmp

  • memory/1808-54-0x0000000076171000-0x0000000076173000-memory.dmp

    Filesize

    8KB