Analysis

  • max time kernel
    150s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 20:21

General

  • Target

    e675b874ced4feec2f03d2504fff7bd81764b07ebe7a8d651f8b5787b871128e.exe

  • Size

    256KB

  • MD5

    0b65ca389073a15b3ccfe4686e312900

  • SHA1

    4a4018c7a7c693ae6b82959150f197992ba7493a

  • SHA256

    e675b874ced4feec2f03d2504fff7bd81764b07ebe7a8d651f8b5787b871128e

  • SHA512

    cd8ce2c58110ef0e1be34f5f9ea565f09b56f9ad30f8ec5b8ba5406bfc868dc4c17e117a496358d3fcef2031970997cf240f3282bfe6f210a74b07bc1cd8e609

  • SSDEEP

    1536:Z+bjwC5srvrvr/rdrMl4CdGXnUzhFcO7ragHR:Sjbpl4CdGXnUzhFcO7rnx

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 51 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e675b874ced4feec2f03d2504fff7bd81764b07ebe7a8d651f8b5787b871128e.exe
    "C:\Users\Admin\AppData\Local\Temp\e675b874ced4feec2f03d2504fff7bd81764b07ebe7a8d651f8b5787b871128e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\jaoyeal.exe
      "C:\Users\Admin\jaoyeal.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jaoyeal.exe

    Filesize

    256KB

    MD5

    0533b6fb948ae732a6ec97d5f121880b

    SHA1

    ba53784969091662a1479140f6532219c8124c27

    SHA256

    7195ebbf39d7a6d3786f1b37ac1ef51802c15372ab9e42f842a837ff605334e4

    SHA512

    e908460ebaef107d63e8e9ee78617a1b239dee195df64359d1e8c32db8ad0a3c3f488d9fc8c493a861fea2c5ff37640d1f4b32226726efffb205a729c9154492

  • C:\Users\Admin\jaoyeal.exe

    Filesize

    256KB

    MD5

    0533b6fb948ae732a6ec97d5f121880b

    SHA1

    ba53784969091662a1479140f6532219c8124c27

    SHA256

    7195ebbf39d7a6d3786f1b37ac1ef51802c15372ab9e42f842a837ff605334e4

    SHA512

    e908460ebaef107d63e8e9ee78617a1b239dee195df64359d1e8c32db8ad0a3c3f488d9fc8c493a861fea2c5ff37640d1f4b32226726efffb205a729c9154492

  • \Users\Admin\jaoyeal.exe

    Filesize

    256KB

    MD5

    0533b6fb948ae732a6ec97d5f121880b

    SHA1

    ba53784969091662a1479140f6532219c8124c27

    SHA256

    7195ebbf39d7a6d3786f1b37ac1ef51802c15372ab9e42f842a837ff605334e4

    SHA512

    e908460ebaef107d63e8e9ee78617a1b239dee195df64359d1e8c32db8ad0a3c3f488d9fc8c493a861fea2c5ff37640d1f4b32226726efffb205a729c9154492

  • \Users\Admin\jaoyeal.exe

    Filesize

    256KB

    MD5

    0533b6fb948ae732a6ec97d5f121880b

    SHA1

    ba53784969091662a1479140f6532219c8124c27

    SHA256

    7195ebbf39d7a6d3786f1b37ac1ef51802c15372ab9e42f842a837ff605334e4

    SHA512

    e908460ebaef107d63e8e9ee78617a1b239dee195df64359d1e8c32db8ad0a3c3f488d9fc8c493a861fea2c5ff37640d1f4b32226726efffb205a729c9154492

  • memory/1292-59-0x0000000000000000-mapping.dmp

  • memory/1724-56-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

    Filesize

    8KB