Analysis

  • max time kernel
    95s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 18:23

General

  • Target

    New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe

  • Size

    1.4MB

  • MD5

    c28ef8671a7f140f9385ab177e38844b

  • SHA1

    4cc35c23f2ce252413249ecd2ea47967fc00d5a4

  • SHA256

    ffa58ebc168e4a19c311097b97645a5d8801db2326f4e8784b634c3e2e2de991

  • SHA512

    6ce012bf3c1024eef4a47f54c86e3819175816d6c39bfa2216d1d522fc9612637473d8c6be2f4f203f52fc38c2bf887ed6e748ff5c18ee960fb0d82014ade82a

  • SSDEEP

    12288:2fcOokxZ4FK9VlPprK7w5NljuDvdLwLEcXq8dxSaDygxpy3nZOJcllvB:2P8FMhQiXhxkKcOUv

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Chim

C2

aboushagor.ydns.eu:6542

Mutex

0b30f45d-3c54-4926-a32f-8a1dc077eb21

Attributes
  • encryption_key

    799E5C34BA6EC18D72E269D0C5CF1A5AC1AD9277

  • install_name

    windows update.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svchost

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3584
      • C:\Users\Admin\AppData\Local\Temp\New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe
        "C:\Users\Admin\AppData\Local\Temp\New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops startup file
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2120
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\windows update.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/744-1096-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/744-1098-0x0000000000400000-0x0000000000724000-memory.dmp

      Filesize

      3.1MB

    • memory/744-1100-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/744-1099-0x00000000055F0000-0x00000000055FA000-memory.dmp

      Filesize

      40KB

    • memory/744-1101-0x0000000006930000-0x0000000006F48000-memory.dmp

      Filesize

      6.1MB

    • memory/744-1109-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/744-1108-0x0000000007840000-0x00000000078A6000-memory.dmp

      Filesize

      408KB

    • memory/744-1107-0x0000000007790000-0x00000000077CC000-memory.dmp

      Filesize

      240KB

    • memory/744-1106-0x0000000007730000-0x0000000007742000-memory.dmp

      Filesize

      72KB

    • memory/744-1103-0x00000000066B0000-0x0000000006762000-memory.dmp

      Filesize

      712KB

    • memory/744-1102-0x0000000006440000-0x0000000006490000-memory.dmp

      Filesize

      320KB

    • memory/2120-42-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-26-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-16-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-36-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-38-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-50-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-58-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-70-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-68-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-66-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-64-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-62-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-60-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-56-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-54-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-52-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-48-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-46-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-44-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-6-0x00000000061C0000-0x0000000006252000-memory.dmp

      Filesize

      584KB

    • memory/2120-40-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-34-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-32-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-30-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-28-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-7-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-24-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-22-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-20-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-18-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-14-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-12-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-10-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-8-0x0000000005E70000-0x0000000006076000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-1081-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/2120-1082-0x00000000064C0000-0x000000000663E000-memory.dmp

      Filesize

      1.5MB

    • memory/2120-1083-0x00000000063D0000-0x000000000641C000-memory.dmp

      Filesize

      304KB

    • memory/2120-1088-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/2120-1085-0x00000000745BE000-0x00000000745BF000-memory.dmp

      Filesize

      4KB

    • memory/2120-1090-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/2120-1089-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/2120-5-0x0000000006670000-0x0000000006C14000-memory.dmp

      Filesize

      5.6MB

    • memory/2120-4-0x0000000005E70000-0x000000000607C000-memory.dmp

      Filesize

      2.0MB

    • memory/2120-3-0x0000000005180000-0x0000000005190000-memory.dmp

      Filesize

      64KB

    • memory/2120-2-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/2120-1-0x0000000000080000-0x00000000001F0000-memory.dmp

      Filesize

      1.4MB

    • memory/2120-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

      Filesize

      4KB

    • memory/2120-1091-0x0000000006C20000-0x0000000006C74000-memory.dmp

      Filesize

      336KB

    • memory/2120-1092-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/2120-1097-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB