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Analysis

  • max time kernel
    303s
  • max time network
    326s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/10/2022, 04:01

General

  • Target

    12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe

  • Size

    1.7MB

  • MD5

    aba4aae2a1f0ab9149cce695d254782e

  • SHA1

    41b5ef7a15aa23bbb43e4ca9349a87529bd6a49c

  • SHA256

    12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b

  • SHA512

    7ebb27e2b7ec50506421eecd95babb4ae8e1aef92eb0f79136ca29b0323d80c5a41b452fc05c9395097406d2413cd558e9bc02899247a4eda19f8da5931741a3

  • SSDEEP

    24576:PUxJIRCRoenYQb6VOJ8Kgn1beVuumyEU:

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Cio

C2

162.19.131.197:4782

Mutex

c5fdf017-8f44-47ea-a69e-0b82e4044ca7

Attributes
  • encryption_key

    59A92039F951E5069C9F50FD9F340E759713B058

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
    "C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4028
    • C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
      C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe.log

    Filesize

    1KB

    MD5

    5c01a57bb6376dc958d99ed7a67870ff

    SHA1

    d092c7dfd148ac12b086049d215e6b00bd78628d

    SHA256

    cb8fd245425e915bfc5ff411f26303f7cb4a30ed37f2ea4a2f0a12501aa5f2a4

    SHA512

    e4e3a4b74f8e209573cce58b572c1f71653e6f4df98f98c5a1cecdf76c9ffb91d5e6994c89df41c9f3613a0584301a56ca922ab7497a434e108b28dcd7d33038

  • memory/2700-161-0x0000000005600000-0x0000000005692000-memory.dmp

    Filesize

    584KB

  • memory/2700-158-0x0000000004C10000-0x0000000004CF2000-memory.dmp

    Filesize

    904KB

  • memory/2700-120-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-121-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-122-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-123-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-124-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-125-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-126-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-127-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-128-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-129-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-130-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-131-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-132-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-133-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-134-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-162-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-136-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-137-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-139-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-138-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-140-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-141-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-142-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-143-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-144-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-145-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-146-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-147-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-148-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-149-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-150-0x00000000000B0000-0x0000000000270000-memory.dmp

    Filesize

    1.8MB

  • memory/2700-151-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-152-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-153-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-154-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-155-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-156-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-157-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-118-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-159-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-119-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-160-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-135-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-163-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-164-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-165-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-166-0x0000000005700000-0x0000000005722000-memory.dmp

    Filesize

    136KB

  • memory/2700-167-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-168-0x0000000005730000-0x0000000005A80000-memory.dmp

    Filesize

    3.3MB

  • memory/2700-169-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-170-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-171-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-172-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-173-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-174-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-175-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-176-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-177-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-178-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-179-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-180-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-181-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-182-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-183-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-184-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-185-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/2700-186-0x0000000077520000-0x00000000776AE000-memory.dmp

    Filesize

    1.6MB

  • memory/3736-339-0x0000000006590000-0x0000000006642000-memory.dmp

    Filesize

    712KB

  • memory/3736-310-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/3736-338-0x0000000006370000-0x00000000063C0000-memory.dmp

    Filesize

    320KB

  • memory/3736-315-0x0000000005970000-0x0000000005A02000-memory.dmp

    Filesize

    584KB

  • memory/3736-314-0x0000000005E70000-0x000000000636E000-memory.dmp

    Filesize

    5.0MB

  • memory/3736-332-0x0000000005910000-0x000000000591A000-memory.dmp

    Filesize

    40KB

  • memory/3736-336-0x0000000006980000-0x0000000006F86000-memory.dmp

    Filesize

    6.0MB

  • memory/4028-223-0x0000000004830000-0x0000000004866000-memory.dmp

    Filesize

    216KB

  • memory/4028-228-0x0000000007400000-0x0000000007A28000-memory.dmp

    Filesize

    6.2MB

  • memory/4028-248-0x0000000007B30000-0x0000000007B96000-memory.dmp

    Filesize

    408KB

  • memory/4028-247-0x0000000007340000-0x00000000073A6000-memory.dmp

    Filesize

    408KB

  • memory/4028-251-0x0000000007CE0000-0x0000000007CFC000-memory.dmp

    Filesize

    112KB

  • memory/4028-252-0x0000000008270000-0x00000000082BB000-memory.dmp

    Filesize

    300KB

  • memory/4028-256-0x0000000008450000-0x00000000084C6000-memory.dmp

    Filesize

    472KB

  • memory/4028-267-0x0000000009BB0000-0x000000000A228000-memory.dmp

    Filesize

    6.5MB

  • memory/4028-268-0x0000000009160000-0x000000000917A000-memory.dmp

    Filesize

    104KB