Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

  • max time kernel
    159s
  • max time network
    318s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    12-11-2021 18:04

General

  • Target

    OnlineInstaller.exe

  • Size

    3.6MB

  • MD5

    4b042bfd9c11ab6a3fb78fa5c34f55d0

  • SHA1

    b0f506640c205d3fbcfe90bde81e49934b870eab

  • SHA256

    59c662a5207c6806046205348b22ee45da3f685fe022556716dbbd6643e61834

  • SHA512

    dae5957c8eee5ae7dd106346f7ea349771b693598f3d4d54abb39940c3d1a0b5731c8d4e07c29377838988a1e93dcd8c2946ce0515af87de61bca6de450409d3

Score
10/10

Malware Config

Signatures

  • suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

    suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

  • suricata: ET MALWARE WIN32/KOVTER.B Checkin

    suricata: ET MALWARE WIN32/KOVTER.B Checkin

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.exe"
    1⤵
    • Checks for any installed AV software in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp
      C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp -install
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4204

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Security Software Discovery

1
T1063

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp
    MD5

    4b042bfd9c11ab6a3fb78fa5c34f55d0

    SHA1

    b0f506640c205d3fbcfe90bde81e49934b870eab

    SHA256

    59c662a5207c6806046205348b22ee45da3f685fe022556716dbbd6643e61834

    SHA512

    dae5957c8eee5ae7dd106346f7ea349771b693598f3d4d54abb39940c3d1a0b5731c8d4e07c29377838988a1e93dcd8c2946ce0515af87de61bca6de450409d3

  • C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp
    MD5

    4b042bfd9c11ab6a3fb78fa5c34f55d0

    SHA1

    b0f506640c205d3fbcfe90bde81e49934b870eab

    SHA256

    59c662a5207c6806046205348b22ee45da3f685fe022556716dbbd6643e61834

    SHA512

    dae5957c8eee5ae7dd106346f7ea349771b693598f3d4d54abb39940c3d1a0b5731c8d4e07c29377838988a1e93dcd8c2946ce0515af87de61bca6de450409d3

  • memory/4204-118-0x0000000000000000-mapping.dmp