Analysis

  • max time kernel
    152s
  • max time network
    68s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:59

General

  • Target

    67251cb15ae25b777b0677244d0fab369be57f25779b79674439a6b50787b04c.exe

  • Size

    200KB

  • MD5

    5cc267d2ba4689e197dac3025046e260

  • SHA1

    7ea97b226cc20da133e6e627224f0a654b3f9ab5

  • SHA256

    67251cb15ae25b777b0677244d0fab369be57f25779b79674439a6b50787b04c

  • SHA512

    2df8978a9230f472a0689b768b28ce360775bfae356b0a6ed084ff3d217ffb56c9b7c5f2a5e34ff2a6b638d91618f680c7241a8d9e80d0f83d322061d50b29e6

  • SSDEEP

    3072:DTtcstTstk/pSBAFtbCduLCADMcgg7ker:ftcATstk/pp2ADMVC

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\67251cb15ae25b777b0677244d0fab369be57f25779b79674439a6b50787b04c.exe
    "C:\Users\Admin\AppData\Local\Temp\67251cb15ae25b777b0677244d0fab369be57f25779b79674439a6b50787b04c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\paiqe.exe
      "C:\Users\Admin\paiqe.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:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\paiqe.exe
    Filesize

    200KB

    MD5

    c0665b46f3b13b959200e5393344d208

    SHA1

    fe91db7e624a9b8d17217661ed9fd0bd0e6c8bf3

    SHA256

    be43d4dd4c11bfc3a389219f7125668fe31a5348c98b9570c0cd110860e0aa95

    SHA512

    005cac7e3f63d7f8719ac32a9af0b13d38ce9e6a3de8791639bbc26d8177fc823151cd99e3075b9b2ff598f6468820044ae0246fb33133c36680c9ed65db41b2

  • C:\Users\Admin\paiqe.exe
    Filesize

    200KB

    MD5

    c0665b46f3b13b959200e5393344d208

    SHA1

    fe91db7e624a9b8d17217661ed9fd0bd0e6c8bf3

    SHA256

    be43d4dd4c11bfc3a389219f7125668fe31a5348c98b9570c0cd110860e0aa95

    SHA512

    005cac7e3f63d7f8719ac32a9af0b13d38ce9e6a3de8791639bbc26d8177fc823151cd99e3075b9b2ff598f6468820044ae0246fb33133c36680c9ed65db41b2

  • \Users\Admin\paiqe.exe
    Filesize

    200KB

    MD5

    c0665b46f3b13b959200e5393344d208

    SHA1

    fe91db7e624a9b8d17217661ed9fd0bd0e6c8bf3

    SHA256

    be43d4dd4c11bfc3a389219f7125668fe31a5348c98b9570c0cd110860e0aa95

    SHA512

    005cac7e3f63d7f8719ac32a9af0b13d38ce9e6a3de8791639bbc26d8177fc823151cd99e3075b9b2ff598f6468820044ae0246fb33133c36680c9ed65db41b2

  • \Users\Admin\paiqe.exe
    Filesize

    200KB

    MD5

    c0665b46f3b13b959200e5393344d208

    SHA1

    fe91db7e624a9b8d17217661ed9fd0bd0e6c8bf3

    SHA256

    be43d4dd4c11bfc3a389219f7125668fe31a5348c98b9570c0cd110860e0aa95

    SHA512

    005cac7e3f63d7f8719ac32a9af0b13d38ce9e6a3de8791639bbc26d8177fc823151cd99e3075b9b2ff598f6468820044ae0246fb33133c36680c9ed65db41b2

  • memory/1652-59-0x0000000000000000-mapping.dmp
  • memory/1836-56-0x0000000075C51000-0x0000000075C53000-memory.dmp
    Filesize

    8KB