Analysis

  • max time kernel
    74s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 09:25

General

  • Target

    30c941ff472b2df15fff1f69e28023a32613f331852da7f7e567fe015d1cf1af.exe

  • Size

    625KB

  • MD5

    08dbe84103321bf57727b75a61d0e17b

  • SHA1

    90388cd112ebe9945825f5c61441d9579e777ed0

  • SHA256

    30c941ff472b2df15fff1f69e28023a32613f331852da7f7e567fe015d1cf1af

  • SHA512

    aa5be3e3f529ddd46088b68895a9991a22d7da8bdecb1c92fbe41eff9624f786c79c7ff9691dbe3164a8dbffc6e254c4f4c87dbb504a7e64bddd107c0beb77fa

  • SSDEEP

    12288:hg+gjjwmSK3ALgXgxvFDyfD1XBxzHMT0jZOJk7j4epPfArQyX0kZ2GEV4gB4IjYd:CjjwS3UW0NKhXLNjZzTPIrQu0kZCV4gU

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\30c941ff472b2df15fff1f69e28023a32613f331852da7f7e567fe015d1cf1af.exe
    "C:\Users\Admin\AppData\Local\Temp\30c941ff472b2df15fff1f69e28023a32613f331852da7f7e567fe015d1cf1af.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:968
    • C:\Users\Admin\AppData\Local\Temp\n1229\s1229.exe
      "C:\Users\Admin\AppData\Local\Temp\n1229\s1229.exe" 0ff47f3a9a8832061d2043cbRhSMTMhWZR76SXth01pOZsLDilzvYa+M2wgcE77JKyw9J07efxkBA27dUrYBErPkdG/Fb3Guff7hVoS7nubzI0lbE7XIy/y7F0Q/MUvWmvXa8wzspkEc4D6+QMMU765ClB1BeKUNM9mOL3O3AfqvxW0SYEUY9a0K3Bc0o04= /v "C:\Users\Admin\AppData\Local\Temp\30c941ff472b2df15fff1f69e28023a32613f331852da7f7e567fe015d1cf1af.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1229\s1229.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • C:\Users\Admin\AppData\Local\Temp\n1229\s1229.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n1229\s1229.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n1229\s1229.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n1229\s1229.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • \Users\Admin\AppData\Local\Temp\n1229\s1229.exe

    Filesize

    350KB

    MD5

    54394ba7de5b2c5e3df92557ea95f014

    SHA1

    47a99735e089139495643c9027effcb6b1fc5504

    SHA256

    339f7dd54a1e07bfcabb5749047ef4ab615462213f5baaa62fb690c894bef1eb

    SHA512

    45928ffec4f1bf9a86469bb54f83ba6fdcd275ef9826bd923e890fce83d7a8f975c309bda4849d3f2d066ea458f23fa8e6aefe26be5e874249712462ecd69660

  • memory/968-54-0x0000000075351000-0x0000000075353000-memory.dmp

    Filesize

    8KB

  • memory/1116-62-0x000007FEF39B0000-0x000007FEF43D3000-memory.dmp

    Filesize

    10.1MB

  • memory/1116-63-0x000007FEF2910000-0x000007FEF39A6000-memory.dmp

    Filesize

    16.6MB

  • memory/1116-64-0x0000000001EC6000-0x0000000001EE5000-memory.dmp

    Filesize

    124KB

  • memory/1116-65-0x0000000001EC6000-0x0000000001EE5000-memory.dmp

    Filesize

    124KB

  • memory/1116-66-0x000007FEEDF90000-0x000007FEEEE1F000-memory.dmp

    Filesize

    14.6MB

  • memory/1116-67-0x000007FEF24D0000-0x000007FEF27BA000-memory.dmp

    Filesize

    2.9MB

  • memory/1116-68-0x0000000001EC6000-0x0000000001EE5000-memory.dmp

    Filesize

    124KB