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Overview

overview

10

Static

static

6bacd97c27...e3.exe

windows7_x64

10

6bacd97c27...e3.exe

windows10_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07/07/2020, 12:30

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General

  • Target

    6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe

  • Size

    686KB

  • MD5

    6a3708ad9f954e3abd920ce364540923

  • SHA1

    3511a35920249c7def2bed50691d011310b76829

  • SHA256

    6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3

  • SHA512

    fa523d6d7acfa01de26ec28944e3fc9da9eda2575fc220207418f396c6583f12e466496290f43ff5cd3d0142f98bfdb6a350890d715b7a3f4c77524913ce205f

Score
10/10
persistenceevasiontrojanransomware

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • UAC bypass 3 TTPs 2 IoCs
    evasiontrojan
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Enumerates connected drives 3 TTPs
  • Executes dropped EXE 1 IoCs
  • Modifies service 2 TTPs 4 IoCs
    persistence
  • Drops desktop.ini file(s) 1 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion
  • Interacts with shadow copies 2 TTPs 3 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 775 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe
    "C:\Users\Admin\AppData\Local\Temp\6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe"
    1⤵
    • Checks whether UAC is enabled
    • UAC bypass
    • Suspicious use of WriteProcessMemory
    • Drops desktop.ini file(s)
    • System policy modification
    • Suspicious behavior: EnumeratesProcesses
    PID:1448
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1620
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1536
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1856
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1900
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1784
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1648
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Modifies service
    • Suspicious use of AdjustPrivilegeToken
    PID:1820
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {83C75ED6-CDA0-4A2A-BBB1-AE84DADCB28E} S-1-5-21-1131729243-447456001-3632642222-1000:AVGLFESB\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\6bacd97c278f9383891df6e9f72de7e106c0007b88d0999f051403ee19244ee3.exe
      2⤵
      • Executes dropped EXE
      PID:1120

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1120-12-0x00000000034A0000-0x00000000034B1000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1120-11-0x00000000033B9000-0x00000000033BA000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1448-1-0x00000000034D0000-0x00000000034E1000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1448-0-0x00000000033E9000-0x00000000033EA000-memory.dmp

    Filesize

    4KB

    Download