Overview

overview

8

Static

static

8

98638734f8...38.exe

windows7-x64

8

98638734f8...38.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2022, 20:30

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General

  • Target

    98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe

  • Size

    856KB

  • MD5

    2ada1261a00752e2f9cc9d866b8be738

  • SHA1

    2b0e9c8ac109e10a7dbdfc0a7153e3faa29da7cf

  • SHA256

    98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38

  • SHA512

    869596be469f57728f882cec261a1120eea83592c9ed5c5a1e26ad8689331d25969ad87c4dc7dfd4d722057280b8f91c9de0c70e0164e85515e214bc0cc2aa7e

  • SSDEEP

    24576:A8cPH6I336DEcYrRvYlbf0BSXR//olL8YepF6zD1ehg:ArfHPcY9vnSB/c4YepSD1l

Score
8/10
persistencespywarestealerupx

Malware Config

Signatures

  • UPX packed file 4 IoCs

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

    upx
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe
    "C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe
      "C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe
        "C:\Users\Admin\AppData\Local\Temp\98638734f8b993c2445cad4a5eca68bc59c4d07c4d622080b7861f2189b32c38.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1528

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1528-62-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1644-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1644-55-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1644-63-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1644-64-0x0000000001DC0000-0x0000000001DDC000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1772-58-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1772-61-0x0000000004A40000-0x0000000004A5C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/1772-65-0x0000000004A40000-0x0000000004A5C000-memory.dmp

    Filesize

    112KB

    Download