Analysis

  • max time kernel
    144s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 14:40

General

  • Target

    ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe

  • Size

    196KB

  • MD5

    71b316816719c19b07b422413dace868

  • SHA1

    d0e0a1518d4e5da923c6b3ae31d6998a410f91f6

  • SHA256

    ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c

  • SHA512

    5b738764bab82e9a4118c144660216651b007ae10bc328862ee92092675aa9b5ac60767f7e75f1147ba274e7108f6ee0f002a2c56f061c154d28643d445e0ec6

  • SSDEEP

    3072:sr85C7pR6O5+Du1Cp0zdkAxRv9IMGxanVI/XycWT0uzv+Dit4QlBaKblmE:k9NIO5Eu120ZfqMNCxWTXzvR4QlBaKbr

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 9 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    "C:\Users\Admin\AppData\Local\Temp\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.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:1588
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 120
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1148

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \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\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • \Users\Admin\AppData\Local\Temp\3582-490\ab9c86d1733a63f8298254a98d2bb9bb39956ec8e62d6b73b92676d2f055eb8c.exe
    Filesize

    155KB

    MD5

    765e2cc9c89037db42e8fbedc70ece47

    SHA1

    1b435b7fe8ead0e602d8574c998f64603d085f94

    SHA256

    b85f311ca7c550708f98c9f6035c34dfd60ba4a29523ac8871986fa81dec3208

    SHA512

    f7232288f67815a3d362a3afc77b7999c155f8cdb3559a97ed6ba007e714bd130639457a6a1fd74feab57910d3f50def22c4edfcf7c2cb4a7406c629aae2826a

  • memory/616-59-0x0000000000190000-0x00000000001B8000-memory.dmp
    Filesize

    160KB

  • memory/616-56-0x0000000000000000-mapping.dmp
  • memory/616-69-0x0000000000190000-0x00000000001B8000-memory.dmp
    Filesize

    160KB

  • memory/1148-60-0x0000000000000000-mapping.dmp
  • memory/1588-58-0x0000000002750000-0x0000000002778000-memory.dmp
    Filesize

    160KB

  • memory/1588-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp
    Filesize

    8KB