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Analysis

  • max time kernel
    153s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 17:23

General

  • Target

    ca9d596917bf53bf86ff110607f333ebcbf2e02cf69e63c96236e13a2bd375ee.exe

  • Size

    124KB

  • MD5

    1867c2fae42b28449e2d952c0f6497d2

  • SHA1

    1cab52885b59feb3f08271fd3630dbef243d812c

  • SHA256

    ca9d596917bf53bf86ff110607f333ebcbf2e02cf69e63c96236e13a2bd375ee

  • SHA512

    7df135ba282f7275e0557e0de92868ce338e33b7b924a5709f2290afd70cc03dd21321e3846f8750245031af4524bce17f3f9b1ef7e53543d229eadd43094929

  • SSDEEP

    3072:WaAfUEiIrQKGcNqnGrD6uvIepyJS6f1qre1:WhfiIrQKGciwQJr

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca9d596917bf53bf86ff110607f333ebcbf2e02cf69e63c96236e13a2bd375ee.exe
    "C:\Users\Admin\AppData\Local\Temp\ca9d596917bf53bf86ff110607f333ebcbf2e02cf69e63c96236e13a2bd375ee.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\feizey.exe
      "C:\Users\Admin\feizey.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
      PID:1704

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\feizey.exe

    Filesize

    124KB

    MD5

    f2f6cb22b90405c33650a570b2b3d0d1

    SHA1

    fe9d7486e24abd797227f6b33ed474e0b1391dbe

    SHA256

    82deb71c0611977f64e580bddc4efecba2261463e9be7097e1baeddf7b8024ff

    SHA512

    921932547e2885d766e3d9224602d24ac305ba8af938888408d7d650bdf70a716c13f4fd9a795fca0a19e25055c52f834c9a0890d5492d70632be9e577ad4462

  • C:\Users\Admin\feizey.exe

    Filesize

    124KB

    MD5

    f2f6cb22b90405c33650a570b2b3d0d1

    SHA1

    fe9d7486e24abd797227f6b33ed474e0b1391dbe

    SHA256

    82deb71c0611977f64e580bddc4efecba2261463e9be7097e1baeddf7b8024ff

    SHA512

    921932547e2885d766e3d9224602d24ac305ba8af938888408d7d650bdf70a716c13f4fd9a795fca0a19e25055c52f834c9a0890d5492d70632be9e577ad4462

  • \Users\Admin\feizey.exe

    Filesize

    124KB

    MD5

    f2f6cb22b90405c33650a570b2b3d0d1

    SHA1

    fe9d7486e24abd797227f6b33ed474e0b1391dbe

    SHA256

    82deb71c0611977f64e580bddc4efecba2261463e9be7097e1baeddf7b8024ff

    SHA512

    921932547e2885d766e3d9224602d24ac305ba8af938888408d7d650bdf70a716c13f4fd9a795fca0a19e25055c52f834c9a0890d5492d70632be9e577ad4462

  • \Users\Admin\feizey.exe

    Filesize

    124KB

    MD5

    f2f6cb22b90405c33650a570b2b3d0d1

    SHA1

    fe9d7486e24abd797227f6b33ed474e0b1391dbe

    SHA256

    82deb71c0611977f64e580bddc4efecba2261463e9be7097e1baeddf7b8024ff

    SHA512

    921932547e2885d766e3d9224602d24ac305ba8af938888408d7d650bdf70a716c13f4fd9a795fca0a19e25055c52f834c9a0890d5492d70632be9e577ad4462

  • memory/1032-70-0x0000000002D90000-0x0000000002DB6000-memory.dmp

    Filesize

    152KB

  • memory/1032-57-0x0000000075501000-0x0000000075503000-memory.dmp

    Filesize

    8KB

  • memory/1032-56-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1032-65-0x0000000002D90000-0x0000000002DB6000-memory.dmp

    Filesize

    152KB

  • memory/1032-66-0x0000000002D90000-0x0000000002DB6000-memory.dmp

    Filesize

    152KB

  • memory/1032-71-0x0000000002D90000-0x0000000002DB6000-memory.dmp

    Filesize

    152KB

  • memory/1032-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1704-67-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1704-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB