Analysis
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max time kernel
85s -
max time network
83s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
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submitted
04-11-2024 06:48
General
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Target
Roblox exploit 2024.7z
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Size
922KB
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MD5
b83419ff541c2f78be5921c4c150aa2f
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SHA1
2b0a73d56cf4af03d0b1eb51d7e2092f320972f0
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SHA256
0fa8e2b1073b28e1941150d9ff1651b4dfce15cb1a0ccdcd33d5caca3af20db0
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SHA512
d9faa15debc5bcae1d391f8cf6f713f2bf8996c64ca4b05f1bddb5f47a7c3980dbc5b784d4791f3a41739b8443fce6a224bcb7ee3654761698f02918b7c5f6a8
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SSDEEP
24576:uc92iZi0TVp6x0W7GjN59lfzlPRdAeqoeTy4x3kNp6k:um2iZnV8x0W+Npko0ny1
Malware Config
Extracted
quasar
1.4.1
Office04
Inversin-43597.portmap.host:43597
80329fd2-f063-4b06-9c7e-8dbc6278c2a3
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encryption_key
744EA1A385FEBC6DA96387411B7000D77E66B075
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
java updater
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subdirectory
SubDir
Signatures
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Quasar RAT
Quasar is an open source Remote Access Tool.
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Quasar family
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Quasar payload 2 IoCs
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Executes dropped EXE 2 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 1 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of FindShellTrayWindow 5 IoCs
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Suspicious use of SendNotifyMessage 3 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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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
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C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Roblox exploit 2024.7z"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Users\Admin\Desktop\Client-built.exe"C:\Users\Admin\Desktop\Client-built.exe"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "java updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "java updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.Windows.Search_cw5n1h2txyewy1⤵
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy1⤵
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.Windows.Search_cw5n1h2txyewy1⤵
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5b08c36ce99a5ed11891ef6fc6d8647e9
SHA1db95af417857221948eb1882e60f98ab2914bf1d
SHA256cc9248a177495f45ec70b86c34fc5746c56730af36ace98ac7eb365dbafda674
SHA51207e62581eace395b0a9699d727761648103180c21155d84ea09140f9e1c9690705c419118545aa67a564334bbde32710225fe3aa92b0b4b4210cb91f0058b1ea
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Filesize
3.1MB
MD5f5b93af3ee1b64dacd2bac9ba4af9b27
SHA11f2a038199a71a2b917dca4dff2f5fac5e840978
SHA25648d4fde21b28f0614fdf124f83f5594bddc13292f21b775da58b017385a49b01
SHA51283703b0f567723abe3d6b34bd419be5df3475e049ae8893993fec017da9a420cd875184c570bdffbfc0bccac662762991885dea8ebcc2af172b3aac2fb00a302
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
240KB
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Filesize
72KB
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Filesize
712KB
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Filesize
320KB
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Filesize
10.8MB
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Filesize
3.1MB
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Filesize
8KB
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Filesize
10.8MB