Analysis

  • max time kernel
    95s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 05:02

General

  • Target

    57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

  • Size

    755KB

  • MD5

    708b96a171969754011a0b1e69dbeca0

  • SHA1

    e8107f5fae683b4213761bb5120a71ff154226cb

  • SHA256

    57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c

  • SHA512

    4e550e9bfb3e701d4590e92f2e863acb85ac3b6658db10264ec559cc3dbe6bb15f12c1beb0cad387d6c370a6a42591eade14de4e3e26af74ce4caa77cea0bce7

  • SSDEEP

    12288:567an3GxvJnfeaCBrImdJWMmhXpXB3e/V7RTuMuYxxnVBqPf951BGRYJ8TSq8D0R:geAGImdPmVpIV7RT3u2nVQX1BGrSqxLt

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
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe
    "C:\Users\Admin\AppData\Local\Temp\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.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:620
    • C:\Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 236
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \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\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • \Users\Admin\AppData\Local\Temp\3582-490\57591bed374713ca0d65659aff58dfdc2eeca05e488b1f7512d8bf660f197c3c.exe

    Filesize

    714KB

    MD5

    21fafe4030cdeb14e72f57c8b22ee929

    SHA1

    83ec77f6f920298ba9a58fb95d528d6935dfbb41

    SHA256

    4843e0804c64590852e9b8d3d3e45fb17e33d6fead33811efa9255edcb318794

    SHA512

    bd6d7b9de736b6d7dda2781c288d5ed12db0d9e2db1996ed2dc3759ac276b1482b90e9f7d9a1726a771bc196a8d823485d2bda4943619f804bd7ab02a3fa5593

  • memory/620-60-0x00000000025F0000-0x00000000027A4000-memory.dmp

    Filesize

    1.7MB

  • memory/620-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

    Filesize

    8KB

  • memory/1936-61-0x0000000001330000-0x00000000014E4000-memory.dmp

    Filesize

    1.7MB