Analysis

  • max time kernel
    5s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 00:52

General

  • Target

    58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

  • Size

    1.2MB

  • MD5

    08de8f2a0b84be0dea55641fe5d36819

  • SHA1

    c51e04e0397c51ad6b19f182562d94bcb9c1ae75

  • SHA256

    58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b

  • SHA512

    0ab91b1007f09219b5c58285ea25a266b4214b2e758ece147d2e0cc27a9386b74e205e9c8a022c727be81ab8fb2a56b0b55d6cea094ff59e19c9cec09a8ec48a

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 7 IoCs
  • 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.

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe
    "C:\Users\Admin\AppData\Local\Temp\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.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:1592
    • C:\Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 652
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • C:\Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • \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\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • \Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • \Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • \Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • \Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • \Users\Admin\AppData\Local\Temp\3582-490\58114fc9e10355f0cc70f03ab3783858dffc0710eaf4f47ddb009fd297a52b6b.exe

    Filesize

    1.2MB

    MD5

    314e8e0fc8a779eb1fa67fd939c148ce

    SHA1

    23e15fe83e1a58c288e421cf95302d8f32b22599

    SHA256

    f997c8624e10e1f063cebad7a0902fc4164281f4c1b976666ea59aa928753dd4

    SHA512

    23bc35f1b765d1eb422a0ea3e39bb6606b60fe5630f8272f823b397b5f47fd18a2894383594a1b1e6c6e3cdfebc9553ef723627d828a65e0e0d56545e2ae9e90

  • memory/904-59-0x0000000000B40000-0x0000000000C78000-memory.dmp

    Filesize

    1.2MB

  • memory/904-56-0x0000000000000000-mapping.dmp

  • memory/1592-54-0x0000000075581000-0x0000000075583000-memory.dmp

    Filesize

    8KB

  • memory/2020-62-0x0000000000000000-mapping.dmp