Analysis

  • max time kernel
    151s
  • max time network
    65s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:53

General

  • Target

    f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4.exe

  • Size

    272KB

  • MD5

    52a18a1c04ac667ee2fad51a5d5dc6a0

  • SHA1

    9504960e51a7eff2eadf5f7bee8d5dc6edc3b808

  • SHA256

    f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4

  • SHA512

    34a53fcfccbeaae5c5bad2ab9712fb9087b2cae217d004563f61b8bf41480ff602977e9138b0b9880cbdafa039be44f59a103c7d7445f129b3173826937d9994

  • SSDEEP

    3072:r4J9gmss0FvbVJznCRcz/hVFA9MSs/PLLj+Qm4U3YwgTeA3yH:kIvbfznH7O9G/PLLxU3YwgT

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 29 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\f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4.exe
    "C:\Users\Admin\AppData\Local\Temp\f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4.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:2040
    • C:\Users\Admin\bqqov.exe
      "C:\Users\Admin\bqqov.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:1976

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\bqqov.exe
    Filesize

    272KB

    MD5

    52a18a1c04ac667ee2fad51a5d5dc6a0

    SHA1

    9504960e51a7eff2eadf5f7bee8d5dc6edc3b808

    SHA256

    f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4

    SHA512

    34a53fcfccbeaae5c5bad2ab9712fb9087b2cae217d004563f61b8bf41480ff602977e9138b0b9880cbdafa039be44f59a103c7d7445f129b3173826937d9994

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

    272KB

    MD5

    52a18a1c04ac667ee2fad51a5d5dc6a0

    SHA1

    9504960e51a7eff2eadf5f7bee8d5dc6edc3b808

    SHA256

    f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4

    SHA512

    34a53fcfccbeaae5c5bad2ab9712fb9087b2cae217d004563f61b8bf41480ff602977e9138b0b9880cbdafa039be44f59a103c7d7445f129b3173826937d9994

  • \Users\Admin\bqqov.exe
    Filesize

    272KB

    MD5

    52a18a1c04ac667ee2fad51a5d5dc6a0

    SHA1

    9504960e51a7eff2eadf5f7bee8d5dc6edc3b808

    SHA256

    f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4

    SHA512

    34a53fcfccbeaae5c5bad2ab9712fb9087b2cae217d004563f61b8bf41480ff602977e9138b0b9880cbdafa039be44f59a103c7d7445f129b3173826937d9994

  • \Users\Admin\bqqov.exe
    Filesize

    272KB

    MD5

    52a18a1c04ac667ee2fad51a5d5dc6a0

    SHA1

    9504960e51a7eff2eadf5f7bee8d5dc6edc3b808

    SHA256

    f72324e0c03f36d204bfbc5d33c783bddc7f28a03fddd27192abf0296fa001c4

    SHA512

    34a53fcfccbeaae5c5bad2ab9712fb9087b2cae217d004563f61b8bf41480ff602977e9138b0b9880cbdafa039be44f59a103c7d7445f129b3173826937d9994

  • memory/1976-59-0x0000000000000000-mapping.dmp
  • memory/2040-56-0x00000000760D1000-0x00000000760D3000-memory.dmp
    Filesize

    8KB

  • memory/2040-65-0x0000000074A01000-0x0000000074A03000-memory.dmp
    Filesize

    8KB