Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 08:44

General

  • Target

    e6945b9b02bee97e03adcf9457ffaa4d175d03456345afb04e49d823d340bb86N.exe

  • Size

    2.3MB

  • MD5

    6e556a65575209f5ea8b60d5c6a1d280

  • SHA1

    4659c6542283ae7e1522e650561987274d36a4a3

  • SHA256

    e6945b9b02bee97e03adcf9457ffaa4d175d03456345afb04e49d823d340bb86

  • SHA512

    90389c3cd37f6fca3a28d1543079355a6d1ad8ca113a065eeafaf822defa0b6ca5037655f2911d42965f3390cc401e834adfe3a1eda90f1b2a0b69c145e67f3f

  • SSDEEP

    49152:BBBVJ56thlDGrAErcdHrrlJ4vVtyBIzPrme7R2pvV7fxsSGXJVRqSVjMrR:BLTQ1Erqcve+zPrJR2pN7ChVRJVjM1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    spri sdqs qrnn fpqi

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Extracted

Family

quasar

Version

1.4.1

Botnet

zulaspcx

C2

yeniceri99-24578.portmap.io:24578

Mutex

938aa95f-e3d4-483d-9217-ffafea133927

Attributes
  • encryption_key

    3BBA711AB673CCE3CC23338F52513D2C4D42AFEF

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Update

  • subdirectory

    Windows

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6945b9b02bee97e03adcf9457ffaa4d175d03456345afb04e49d823d340bb86N.exe
    "C:\Users\Admin\AppData\Local\Temp\e6945b9b02bee97e03adcf9457ffaa4d175d03456345afb04e49d823d340bb86N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\WindowsService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\WindowsService.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2092
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Spacex.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Spacex.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows\svchost.exe" /rl HIGHEST /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4420
        • C:\Users\Admin\AppData\Roaming\Windows\svchost.exe
          "C:\Users\Admin\AppData\Roaming\Windows\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2904
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows\svchost.exe" /rl HIGHEST /f
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log

    Filesize

    1KB

    MD5

    baf55b95da4a601229647f25dad12878

    SHA1

    abc16954ebfd213733c4493fc1910164d825cac8

    SHA256

    ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

    SHA512

    24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Spacex.exe

    Filesize

    2.2MB

    MD5

    7785c52b863e9dae3fac08e3b130bb32

    SHA1

    d812fe11ca73f802e5dbfa3422c17d88bf59066d

    SHA256

    0f19f7f52cd3153147f72eadde474b26ad507715727d9a905a0817e4127fd334

    SHA512

    805aa770dce5b6fe0743d8de53c8b597eed372115f4b93077e5e22d5269f3b3425c01206d17c98f4ad7dae8aa3e001511c2e2bb598628700b804653965b7bc8a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\WindowsService.exe

    Filesize

    108KB

    MD5

    aa965f60733abd2e7f5725cd68b6868d

    SHA1

    8e802c2def5ab8d280d3ad08664df92159ec26a4

    SHA256

    4950d5ba6f4aac42a5effa92b868a33a22e829c1e88aa63d37af266535e395aa

    SHA512

    f424c18c2ac09f08d83f2da06a1ddd9baff76073f689fe482eb4b4f25cea704efb543b2b76afbff75e9dee9548350875cdca2e960393b2bb3983fa6a92b33b4a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe

    Filesize

    3.1MB

    MD5

    cda244bc8f0486f4bce677dc71784369

    SHA1

    a7639235f14ed1ad673d2bfde070c266817e58b4

    SHA256

    ceec77c3852dd8b1fe96799500350ecf1d8e7c3e2a5931d58a6c99a711c9bfec

    SHA512

    3d6cd367f888923da267830e4e497808de31eed5e1d96a5de68ed82d0090aa23e41f1963ffb7cecc74fbf09948466a74666b4abaf7973b61da182b8e0096dea4

  • memory/1712-65-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-36-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-39-0x0000000006710000-0x0000000006ABA000-memory.dmp

    Filesize

    3.7MB

  • memory/1712-33-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-34-0x00000000002B0000-0x00000000004E4000-memory.dmp

    Filesize

    2.2MB

  • memory/2092-38-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2092-25-0x00000000002D0000-0x00000000002F4000-memory.dmp

    Filesize

    144KB

  • memory/2092-32-0x0000000000D40000-0x0000000000D46000-memory.dmp

    Filesize

    24KB

  • memory/2092-35-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2092-29-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/2904-62-0x000000001D0C0000-0x000000001D172000-memory.dmp

    Filesize

    712KB

  • memory/2904-61-0x000000001B760000-0x000000001B7B0000-memory.dmp

    Filesize

    320KB

  • memory/4604-7-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

    Filesize

    40KB

  • memory/4604-8-0x000000000AF60000-0x000000000AFB6000-memory.dmp

    Filesize

    344KB

  • memory/4604-0-0x000000007452E000-0x000000007452F000-memory.dmp

    Filesize

    4KB

  • memory/4604-6-0x000000000AEC0000-0x000000000AF52000-memory.dmp

    Filesize

    584KB

  • memory/4604-5-0x000000000B470000-0x000000000BA14000-memory.dmp

    Filesize

    5.6MB

  • memory/4604-4-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4604-3-0x000000000AE20000-0x000000000AEBC000-memory.dmp

    Filesize

    624KB

  • memory/4604-2-0x0000000007930000-0x0000000007B7E000-memory.dmp

    Filesize

    2.3MB

  • memory/4604-63-0x000000007452E000-0x000000007452F000-memory.dmp

    Filesize

    4KB

  • memory/4604-64-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/4604-1-0x0000000000930000-0x0000000000B8C000-memory.dmp

    Filesize

    2.4MB

  • memory/4604-67-0x0000000074520000-0x0000000074CD0000-memory.dmp

    Filesize

    7.7MB

  • memory/5068-53-0x0000000000240000-0x0000000000564000-memory.dmp

    Filesize

    3.1MB