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Analysis

  • max time kernel
    193s
  • max time network
    198s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 18:31

General

  • Target

    b9508eca3f9a56d2a93bca1b34a9080b18efa0b782200a91d93c02c0afad0d53.exe

  • Size

    581KB

  • MD5

    1087b44d6a6c573ebed09ea02969590f

  • SHA1

    854df27c301f865aa9fd9312cfa5712b30a9bb5e

  • SHA256

    b9508eca3f9a56d2a93bca1b34a9080b18efa0b782200a91d93c02c0afad0d53

  • SHA512

    ac2785f1362294334850a38bebee599c592f19adf3a20cee7630a3faef39216c1e6043d036cc77621fd9107ba8304a04daa1e1cadb8d5ff699b1df36b183ee73

  • SSDEEP

    12288:3QFagl4ZjL++kpFDI+4hPBH1S4+gHRMEM9LCB9Gl/DN:3QFNC+fI+g1S4+gHOt9LCc/D

Score
8/10
upx

Malware Config

Signatures

  • Downloads MZ/PE file
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\b9508eca3f9a56d2a93bca1b34a9080b18efa0b782200a91d93c02c0afad0d53.exe
    "C:\Users\Admin\AppData\Local\Temp\b9508eca3f9a56d2a93bca1b34a9080b18efa0b782200a91d93c02c0afad0d53.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Users\Admin\AppData\Local\Temp\b9508eca3f9a56d2a93bca1b34a9080b18efa0b782200a91d93c02c0afad0d53.exe
      "C:\Users\Admin\AppData\Local\Temp\b9508eca3f9a56d2a93bca1b34a9080b18efa0b782200a91d93c02c0afad0d53.exe" /_ShowProgress
      2⤵
        PID:1440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1140-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

      Filesize

      8KB

    • memory/1140-55-0x0000000001DE0000-0x0000000001F12000-memory.dmp

      Filesize

      1.2MB

    • memory/1140-59-0x0000000001DE0000-0x0000000001F12000-memory.dmp

      Filesize

      1.2MB

    • memory/1140-58-0x0000000001DE0000-0x0000000001F12000-memory.dmp

      Filesize

      1.2MB

    • memory/1140-60-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/1140-61-0x0000000000250000-0x00000000002E2000-memory.dmp

      Filesize

      584KB

    • memory/1140-62-0x0000000001DE0000-0x0000000001F12000-memory.dmp

      Filesize

      1.2MB

    • memory/1140-63-0x0000000001DE0000-0x0000000001F12000-memory.dmp

      Filesize

      1.2MB

    • memory/1440-66-0x0000000001D60000-0x0000000001E92000-memory.dmp

      Filesize

      1.2MB

    • memory/1440-69-0x0000000001D60000-0x0000000001E92000-memory.dmp

      Filesize

      1.2MB

    • memory/1440-70-0x0000000001D60000-0x0000000001E92000-memory.dmp

      Filesize

      1.2MB

    • memory/1440-71-0x0000000001D60000-0x0000000001E92000-memory.dmp

      Filesize

      1.2MB