Analysis

  • max time kernel
    61s
  • max time network
    101s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    10-11-2020 06:43

General

  • Target

    84ae5b81cd4f7bfc8e8aeec5f343661b24b5a6478fb82253779a54e0914a158d.exe

  • Size

    4.8MB

  • MD5

    afcef9e8b8c506a54e761cf102fd2f31

  • SHA1

    f61f745a7f6e3b1385e265cc66407092dc4e710e

  • SHA256

    84ae5b81cd4f7bfc8e8aeec5f343661b24b5a6478fb82253779a54e0914a158d

  • SHA512

    698fc80f46e592ec6019ca2714fc4435c0d7dec538f61f462c2a5c13be307655388af6b3f5da7f475543ca791236b4e9b5207ebe20e5c3f00d7aab2f3ef7b972

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 107 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1933 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84ae5b81cd4f7bfc8e8aeec5f343661b24b5a6478fb82253779a54e0914a158d.exe
    "C:\Users\Admin\AppData\Local\Temp\84ae5b81cd4f7bfc8e8aeec5f343661b24b5a6478fb82253779a54e0914a158d.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1180
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1180 -s 1932
      2⤵
      • Program crash
      PID:4036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Lateral Movement

Replication Through Removable Media

1
T1091

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • memory/1180-0-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1180-1-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1180-4-0x0000000000180000-0x00000000001C0000-memory.dmp
    Filesize

    256KB

  • memory/1180-5-0x00000000001C0000-0x00000000001D0000-memory.dmp
    Filesize

    64KB

  • memory/1180-6-0x00000000001D0000-0x00000000001E0000-memory.dmp
    Filesize

    64KB

  • memory/1180-7-0x00000000001E0000-0x00000000001E2000-memory.dmp
    Filesize

    8KB

  • memory/1180-8-0x00000000001F0000-0x0000000000200000-memory.dmp
    Filesize

    64KB