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Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 20:02

General

  • Target

    e46c7fe979bca18879b709b2baf1bc2653ef94d2ae667e107623eefd70a97fde.exe

  • Size

    260KB

  • MD5

    80b8c001f89953e9046cff0ce8ffe5c4

  • SHA1

    85830290c6ad2fbdecaa6dbc755f2bbfd4132157

  • SHA256

    e46c7fe979bca18879b709b2baf1bc2653ef94d2ae667e107623eefd70a97fde

  • SHA512

    ab062b146003659ce118a37efabeb3e0ef65f61c8103160d1ccbbaab40d06ed5ac4da821c43f85b7c010ebdea52f594c29da7395a464df9a798fb022145ca0ee

  • SSDEEP

    3072:qw9eizdJiE64j9a45Kf/4xLMfKdRR7RH3TFavCPQjIYQHCd8boxQVV/V3xion:vf/6qKWlH3TFCCoNLx+VH

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 53 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\e46c7fe979bca18879b709b2baf1bc2653ef94d2ae667e107623eefd70a97fde.exe
    "C:\Users\Admin\AppData\Local\Temp\e46c7fe979bca18879b709b2baf1bc2653ef94d2ae667e107623eefd70a97fde.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:1248
    • C:\Users\Admin\coalo.exe
      "C:\Users\Admin\coalo.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:1136

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\coalo.exe

    Filesize

    260KB

    MD5

    71fbc6efee79c13959220933ec86b305

    SHA1

    d0074c790fbaed33db3c5a189d11338f4cd637f4

    SHA256

    53303a77e1092687cc12a6841b6a33bf10dfeff11df97813267541b43ed634d2

    SHA512

    bf7ca275210b3e3f7f507f7f882cff30dd2962f011edbb9b95c28989cfa5c2e5906af236460203cc90e786c442f89600e219ee1af28b907f5b34d78f27b5a75a

  • C:\Users\Admin\coalo.exe

    Filesize

    260KB

    MD5

    71fbc6efee79c13959220933ec86b305

    SHA1

    d0074c790fbaed33db3c5a189d11338f4cd637f4

    SHA256

    53303a77e1092687cc12a6841b6a33bf10dfeff11df97813267541b43ed634d2

    SHA512

    bf7ca275210b3e3f7f507f7f882cff30dd2962f011edbb9b95c28989cfa5c2e5906af236460203cc90e786c442f89600e219ee1af28b907f5b34d78f27b5a75a

  • \Users\Admin\coalo.exe

    Filesize

    260KB

    MD5

    71fbc6efee79c13959220933ec86b305

    SHA1

    d0074c790fbaed33db3c5a189d11338f4cd637f4

    SHA256

    53303a77e1092687cc12a6841b6a33bf10dfeff11df97813267541b43ed634d2

    SHA512

    bf7ca275210b3e3f7f507f7f882cff30dd2962f011edbb9b95c28989cfa5c2e5906af236460203cc90e786c442f89600e219ee1af28b907f5b34d78f27b5a75a

  • \Users\Admin\coalo.exe

    Filesize

    260KB

    MD5

    71fbc6efee79c13959220933ec86b305

    SHA1

    d0074c790fbaed33db3c5a189d11338f4cd637f4

    SHA256

    53303a77e1092687cc12a6841b6a33bf10dfeff11df97813267541b43ed634d2

    SHA512

    bf7ca275210b3e3f7f507f7f882cff30dd2962f011edbb9b95c28989cfa5c2e5906af236460203cc90e786c442f89600e219ee1af28b907f5b34d78f27b5a75a

  • memory/1248-56-0x0000000075351000-0x0000000075353000-memory.dmp

    Filesize

    8KB