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Analysis

  • max time kernel
    83s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 23:15

General

  • Target

    c4374ec52b7a603a655b1c3fa832ef5b988b1f98979725dff78a968c5156820b.exe

  • Size

    108KB

  • MD5

    eea83402b98ca6d4e56a3ac71e74e2aa

  • SHA1

    8b77912ecc8c8f87405625211cbc7bc876eb811b

  • SHA256

    c4374ec52b7a603a655b1c3fa832ef5b988b1f98979725dff78a968c5156820b

  • SHA512

    7662f552fcd06ee663afb6a1cd3a16ed3964c04e408409d2edfe8e04667fd8aa5624a1b7e24911504b8a275bb065c8bb45d6d7e54f7fca597088bc9b5904f2b2

  • SSDEEP

    1536:47qzj0We+nBr6ZcnWWG1KdIvf1ijij+p4j9S2fbwIVJcVgm7h:lXeaBr2WG1KdrQJ4P

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 27 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\c4374ec52b7a603a655b1c3fa832ef5b988b1f98979725dff78a968c5156820b.exe
    "C:\Users\Admin\AppData\Local\Temp\c4374ec52b7a603a655b1c3fa832ef5b988b1f98979725dff78a968c5156820b.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:900
    • C:\Users\Admin\jiukue.exe
      "C:\Users\Admin\jiukue.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:1852

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jiukue.exe

    Filesize

    108KB

    MD5

    b2d75dc90dcc5c4020e705251e923fed

    SHA1

    cfa6edb8fdffc1ea5f1e57d4ad26aa53cd4a7973

    SHA256

    becb43048fa024a786a1a0ebf7c6750fbde354bea3efe1a77457f041a74ec005

    SHA512

    a4cfdee6f818703e6603755bf3a3e1b3b9a4959d960da9ae274a94b01f2829b1ee80fc8184340f291d7584133332968b2075b223073ba1e3fd00fb275a5c1513

  • C:\Users\Admin\jiukue.exe

    Filesize

    108KB

    MD5

    b2d75dc90dcc5c4020e705251e923fed

    SHA1

    cfa6edb8fdffc1ea5f1e57d4ad26aa53cd4a7973

    SHA256

    becb43048fa024a786a1a0ebf7c6750fbde354bea3efe1a77457f041a74ec005

    SHA512

    a4cfdee6f818703e6603755bf3a3e1b3b9a4959d960da9ae274a94b01f2829b1ee80fc8184340f291d7584133332968b2075b223073ba1e3fd00fb275a5c1513

  • \Users\Admin\jiukue.exe

    Filesize

    108KB

    MD5

    b2d75dc90dcc5c4020e705251e923fed

    SHA1

    cfa6edb8fdffc1ea5f1e57d4ad26aa53cd4a7973

    SHA256

    becb43048fa024a786a1a0ebf7c6750fbde354bea3efe1a77457f041a74ec005

    SHA512

    a4cfdee6f818703e6603755bf3a3e1b3b9a4959d960da9ae274a94b01f2829b1ee80fc8184340f291d7584133332968b2075b223073ba1e3fd00fb275a5c1513

  • \Users\Admin\jiukue.exe

    Filesize

    108KB

    MD5

    b2d75dc90dcc5c4020e705251e923fed

    SHA1

    cfa6edb8fdffc1ea5f1e57d4ad26aa53cd4a7973

    SHA256

    becb43048fa024a786a1a0ebf7c6750fbde354bea3efe1a77457f041a74ec005

    SHA512

    a4cfdee6f818703e6603755bf3a3e1b3b9a4959d960da9ae274a94b01f2829b1ee80fc8184340f291d7584133332968b2075b223073ba1e3fd00fb275a5c1513

  • memory/900-56-0x0000000075C61000-0x0000000075C63000-memory.dmp

    Filesize

    8KB