Analysis

  • max time kernel
    47s
  • max time network
    112s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    09-08-2022 13:01

General

  • Target

    scan_521000045547489091.exe

  • Size

    1.1MB

  • MD5

    e4d6a57cd3367c1eeb9c5b5ed15c435f

  • SHA1

    c73a0768770dbce2749e19ca4bc919de1a04585a

  • SHA256

    8043ea1eec1337542f54a3da01248f048588f43c2f5a434d425775dbb3ddd6b3

  • SHA512

    dfc5c1ba726ea2b96e7e681c75c3a31142a2524bde1825938cfce6ba052b1461bcb156700682bca68c116f4dc474ee1bcdc35155ef9eb7cc5f6c63544ca2cce0

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\scan_521000045547489091.exe
    "C:\Users\Admin\AppData\Local\Temp\scan_521000045547489091.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 168
        3⤵
        • Program crash
        PID:1464

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1448-62-0x0000000000000000-mapping.dmp
  • memory/1448-65-0x0000000050590000-0x0000000050611000-memory.dmp
    Filesize

    516KB

  • memory/1448-75-0x0000000050590000-0x0000000050611000-memory.dmp
    Filesize

    516KB

  • memory/1464-74-0x0000000000000000-mapping.dmp
  • memory/2004-54-0x00000000765D1000-0x00000000765D3000-memory.dmp
    Filesize

    8KB

  • memory/2004-64-0x0000000050590000-0x0000000050611000-memory.dmp
    Filesize

    516KB