Analysis

  • max time kernel
    53s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    15-07-2020 15:41

General

  • Target

    1.bin.exe

  • Size

    645KB

  • MD5

    79cdf459683c39e9704a37a6be9bc877

  • SHA1

    450d4f351c3dd168e313b309da4bd8a817453d1d

  • SHA256

    48689c986eb553e6a7aeba973501b9660cb1418d4ec3ba9d0511f82799d1422c

  • SHA512

    2cc3f164e92650c4d4aed7012da7d303d24cdc63565ed744a28cb6d59465189233a128a01f4b807aa972057e0d0d98742c5ca9b41a67bf59f0f115de30eb6bd4

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Interacts with shadow copies 2 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Drops desktop.ini file(s) 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 855 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies service 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs
  • UAC bypass 3 TTPs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\1.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Drops desktop.ini file(s)
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • System policy modification
    PID:1144
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1400
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:276
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1040
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1796
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1808
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1820
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Modifies service
    PID:740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1144-0-0x00000000034DA000-0x00000000034DB000-memory.dmp

    Filesize

    4KB

  • memory/1144-1-0x00000000035C0000-0x00000000035D1000-memory.dmp

    Filesize

    68KB