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Analysis

  • max time kernel
    129s
  • max time network
    43s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    07/07/2020, 12:30

General

  • Target

    6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe

  • Size

    686KB

  • MD5

    6a3708ad9f954e3abd920ce364540923

  • SHA1

    3511a35920249c7def2bed50691d011310b76829

  • SHA256

    6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3

  • SHA512

    fa523d6d7acfa01de26ec28944e3fc9da9eda2575fc220207418f396c6583f12e466496290f43ff5cd3d0142f98bfdb6a350890d715b7a3f4c77524913ce205f

Malware Config

Signatures

  • Program crash 6 IoCs
  • Modifies service 2 TTPs 4 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Suspicious use of WriteProcessMemory 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 74 IoCs
  • Enumerates connected drives 3 TTPs
  • System policy modification 1 TTPs 1 IoCs
  • UAC bypass 3 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 706 IoCs
  • Interacts with shadow copies 2 TTPs 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe
    "C:\Users\Admin\AppData\Local\Temp\6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    • System policy modification
    • UAC bypass
    • Suspicious behavior: EnumeratesProcesses
    PID:1620
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2104
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:3356
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3836
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:3040
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3120
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 840
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      PID:1184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 892
      2⤵
      • Program crash
      PID:1780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 896
      2⤵
      • Program crash
      PID:3912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 892
      2⤵
      • Program crash
      PID:2120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 928
      2⤵
      • Program crash
      PID:3728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 1140
      2⤵
      • Program crash
      PID:740
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:3864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/740-31-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

    Filesize

    4KB

  • memory/740-28-0x00000000044B0000-0x00000000044B1000-memory.dmp

    Filesize

    4KB

  • memory/1184-11-0x0000000005570000-0x0000000005571000-memory.dmp

    Filesize

    4KB

  • memory/1184-8-0x0000000004F40000-0x0000000004F41000-memory.dmp

    Filesize

    4KB

  • memory/1184-9-0x0000000004F40000-0x0000000004F41000-memory.dmp

    Filesize

    4KB

  • memory/1620-1-0x0000000003810000-0x0000000003811000-memory.dmp

    Filesize

    4KB

  • memory/1620-0-0x0000000003541000-0x0000000003542000-memory.dmp

    Filesize

    4KB

  • memory/1780-15-0x00000000048F0000-0x00000000048F1000-memory.dmp

    Filesize

    4KB

  • memory/1780-12-0x00000000044B0000-0x00000000044B1000-memory.dmp

    Filesize

    4KB

  • memory/2120-23-0x0000000005150000-0x0000000005151000-memory.dmp

    Filesize

    4KB

  • memory/2120-20-0x0000000004C10000-0x0000000004C11000-memory.dmp

    Filesize

    4KB

  • memory/3728-24-0x0000000004E30000-0x0000000004E31000-memory.dmp

    Filesize

    4KB

  • memory/3728-27-0x0000000005660000-0x0000000005661000-memory.dmp

    Filesize

    4KB

  • memory/3912-19-0x00000000049F0000-0x00000000049F1000-memory.dmp

    Filesize

    4KB