Analysis

  • max time kernel
    43s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:27

General

  • Target

    52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.exe

  • Size

    4.5MB

  • MD5

    51fd13f223b7fb819698426c16ac97e8

  • SHA1

    e21771f7ad74dea7e568c0b5331eef25095715a0

  • SHA256

    52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401

  • SHA512

    45b7a18926688e660619463b965514b55620c7080bd426a02300f45f89e121f4daf44d01079989602b174000cd09b592b09b62dd17ad5f674ae091e5e329f57d

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
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 2 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\52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.exe
    "C:\Users\Admin\AppData\Local\Temp\52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.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:1800
    • C:\Users\Admin\AppData\Local\Temp\3582-490\52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.exe"
      2⤵
      • Executes dropped EXE
      PID:1628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.exe

    Filesize

    4.4MB

    MD5

    3760caa26ed0a55986a312adc383ab7b

    SHA1

    10cc6228ef0f1e286d99483e547c47eaa53556b9

    SHA256

    d26d592eeabf10e4c4ac382d406719f677eed0a08863990ad1648b01116f3465

    SHA512

    86f7c1ae8ecb771d918e8cca988e1c63cf248f2540c25ed3579bc73bd479bb3e829074bc15c48047a6b6aa5510d3571dd714b98e8d7c6668144622e914740246

  • C:\Users\Admin\AppData\Local\Temp\3582-490\52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.exe

    Filesize

    4.4MB

    MD5

    3760caa26ed0a55986a312adc383ab7b

    SHA1

    10cc6228ef0f1e286d99483e547c47eaa53556b9

    SHA256

    d26d592eeabf10e4c4ac382d406719f677eed0a08863990ad1648b01116f3465

    SHA512

    86f7c1ae8ecb771d918e8cca988e1c63cf248f2540c25ed3579bc73bd479bb3e829074bc15c48047a6b6aa5510d3571dd714b98e8d7c6668144622e914740246

  • \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\52f9d30a8b09e411f18479888e591a24a9ccab7e5bd81c30ccfe43bbbc6bb401.exe

    Filesize

    4.4MB

    MD5

    3760caa26ed0a55986a312adc383ab7b

    SHA1

    10cc6228ef0f1e286d99483e547c47eaa53556b9

    SHA256

    d26d592eeabf10e4c4ac382d406719f677eed0a08863990ad1648b01116f3465

    SHA512

    86f7c1ae8ecb771d918e8cca988e1c63cf248f2540c25ed3579bc73bd479bb3e829074bc15c48047a6b6aa5510d3571dd714b98e8d7c6668144622e914740246

  • memory/1628-56-0x0000000000000000-mapping.dmp

  • memory/1628-59-0x00000000010B0000-0x0000000001876000-memory.dmp

    Filesize

    7.8MB

  • memory/1628-63-0x00000000005C5000-0x00000000005D6000-memory.dmp

    Filesize

    68KB

  • memory/1800-54-0x0000000074E91000-0x0000000074E93000-memory.dmp

    Filesize

    8KB