Analysis

  • max time kernel
    144s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19-07-2020 19:31

General

  • Target

    chthonic_2.23.11.8.vir.exe

  • Size

    231KB

  • MD5

    ab0f0fb4f81d585827af387d0c20c1aa

  • SHA1

    e4cccf1bcec09d0c5a4a3adaf59450fe993caafe

  • SHA256

    0e1443f15337cc62668623e64be7f56ca7afc02902474e6f9de007c40b99daf0

  • SHA512

    bd94d988643dca7bd867fecd98bc82b6ba12c86d26b198317dc390e808deefc9517f5c40ff6c101cb7de10b2aa7dfa8f13ce5c467a2b728849dc4ed8e3e752a3

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • UAC bypass 3 TTPs
  • System policy modification 1 TTPs 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Disables taskbar notifications via registry modification
  • Modifies Internet Explorer settings 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.11.8.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.11.8.vir.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      2⤵
      • Adds policy Run key to start application
      • Checks whether UAC is enabled
      • System policy modification
      • Suspicious behavior: EnumeratesProcesses
      • Modifies Internet Explorer settings
      PID:1260

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

2
T1089

Bypass User Account Control

1
T1088

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1260-0-0x0000000000000000-mapping.dmp