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Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 19:55

General

  • Target

    039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436.exe

  • Size

    276KB

  • MD5

    90c17b27ee224075d35101dfd7c6a960

  • SHA1

    7960df78627fde4256f8e0b482b8d137359085f8

  • SHA256

    039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436

  • SHA512

    a44c1fff241531d79d074e2877f08f9a7f03fdc5dc3f8b04c954bc40c41034713261e0563a7356636a3a071197b45d61e065a3edf48e4b92e5a740249df02eba

  • SSDEEP

    1536:5vC89v1DLFfHk/X6tnfknHzQ0X0WytH0uL2JPWNoSfrVrBrerdrMfUVx6YBQsPm4:Q+aisPm8HuQM+

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 52 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\039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436.exe
    "C:\Users\Admin\AppData\Local\Temp\039f3f00e5922158eb9778e5477f4e74354bc87d8d1027d2e08ef97fa62eb436.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\phjiob.exe
      "C:\Users\Admin\phjiob.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:944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\phjiob.exe

    Filesize

    276KB

    MD5

    9764dabad6f0546a10c24b01cf47eec3

    SHA1

    a32a9a3b6d75a0d678b61591c1f6add76167d597

    SHA256

    dabacc5eb674d1506ba6a4a6077a14228d05f53122b3869123d21ee5c7002d72

    SHA512

    9558faa074ff38f7469b3b50e638a2b03bb8e73e4a6ecda12a59a42d70913c7055cdee1e4ce71416e2e2f5cb7d2e3dd0dd288031611c8c4342b076d41b2028c6

  • C:\Users\Admin\phjiob.exe

    Filesize

    276KB

    MD5

    9764dabad6f0546a10c24b01cf47eec3

    SHA1

    a32a9a3b6d75a0d678b61591c1f6add76167d597

    SHA256

    dabacc5eb674d1506ba6a4a6077a14228d05f53122b3869123d21ee5c7002d72

    SHA512

    9558faa074ff38f7469b3b50e638a2b03bb8e73e4a6ecda12a59a42d70913c7055cdee1e4ce71416e2e2f5cb7d2e3dd0dd288031611c8c4342b076d41b2028c6

  • \Users\Admin\phjiob.exe

    Filesize

    276KB

    MD5

    9764dabad6f0546a10c24b01cf47eec3

    SHA1

    a32a9a3b6d75a0d678b61591c1f6add76167d597

    SHA256

    dabacc5eb674d1506ba6a4a6077a14228d05f53122b3869123d21ee5c7002d72

    SHA512

    9558faa074ff38f7469b3b50e638a2b03bb8e73e4a6ecda12a59a42d70913c7055cdee1e4ce71416e2e2f5cb7d2e3dd0dd288031611c8c4342b076d41b2028c6

  • \Users\Admin\phjiob.exe

    Filesize

    276KB

    MD5

    9764dabad6f0546a10c24b01cf47eec3

    SHA1

    a32a9a3b6d75a0d678b61591c1f6add76167d597

    SHA256

    dabacc5eb674d1506ba6a4a6077a14228d05f53122b3869123d21ee5c7002d72

    SHA512

    9558faa074ff38f7469b3b50e638a2b03bb8e73e4a6ecda12a59a42d70913c7055cdee1e4ce71416e2e2f5cb7d2e3dd0dd288031611c8c4342b076d41b2028c6

  • memory/1048-56-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB