Analysis

  • max time kernel
    78s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 11:12

General

  • Target

    1a3ed0f8e41a76b46ac82031cc393f015b40cf075de0c2c7ae8ae5f5cbac42ce.exe

  • Size

    618KB

  • MD5

    152586ccc1ba8248de7dff6a7372e471

  • SHA1

    2feb1bd3f07fac9debacb70d4cfc19404b5a6a17

  • SHA256

    1a3ed0f8e41a76b46ac82031cc393f015b40cf075de0c2c7ae8ae5f5cbac42ce

  • SHA512

    be8a8313d3da24a5b92cd34bf47f6ba5b49d3a1686a812f42bd59f76f57c40c31e73cd39921f5c87ae87d167bc9a3e169a4366f514c707807fbe571317eed8a7

  • SSDEEP

    12288:yKfC2/WC5btCQFxZITbejP27e73Rrx8FkWIGoC3tXkg/DKWO4g8CXdpYiY+j:K2/W0NDZ/b6uumGpdXkg/DKWOj8C8iYQ

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a3ed0f8e41a76b46ac82031cc393f015b40cf075de0c2c7ae8ae5f5cbac42ce.exe
    "C:\Users\Admin\AppData\Local\Temp\1a3ed0f8e41a76b46ac82031cc393f015b40cf075de0c2c7ae8ae5f5cbac42ce.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\n6294\s6294.exe
      "C:\Users\Admin\AppData\Local\Temp\n6294\s6294.exe" ea651e3749f6c50c092fd552E2FnvuX4hb1+LQBOUg6taF+pnjPIdagsCBN+PXgDJOqEQGzFMomVpbgVp22QnS9dspd7ZnP1rfZ/GmJ/FpiZM2nhRWgukMl4H5HHdQ2ACSc/D95aRs5ANiHH7LZGt2d/ipH8Ue2WpJZPEiNJbCuBUUtLK8E/0KOn60JS7vI= /v "C:\Users\Admin\AppData\Local\Temp\1a3ed0f8e41a76b46ac82031cc393f015b40cf075de0c2c7ae8ae5f5cbac42ce.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6294\s6294.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n6294\s6294.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n6294\s6294.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n6294\s6294.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n6294\s6294.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n6294\s6294.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/948-62-0x000007FEF2E80000-0x000007FEF38A3000-memory.dmp

    Filesize

    10.1MB

  • memory/948-63-0x000007FEF1DE0000-0x000007FEF2E76000-memory.dmp

    Filesize

    16.6MB

  • memory/948-64-0x0000000000DA6000-0x0000000000DC5000-memory.dmp

    Filesize

    124KB

  • memory/948-65-0x0000000000DA6000-0x0000000000DC5000-memory.dmp

    Filesize

    124KB

  • memory/948-66-0x000007FEEDA70000-0x000007FEEE8FF000-memory.dmp

    Filesize

    14.6MB

  • memory/948-67-0x000007FEEEDD0000-0x000007FEEF0BA000-memory.dmp

    Filesize

    2.9MB

  • memory/948-68-0x0000000000DA6000-0x0000000000DC5000-memory.dmp

    Filesize

    124KB

  • memory/1528-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

    Filesize

    8KB