Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26-12-2024 02:13
General
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Target
updtae.exe
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Size
3.1MB
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MD5
7c44cc7c86f90a8d5f3a29166e0d85b6
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SHA1
e1c3402fd0e1fe1dc91d4a61029e1a871e986524
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SHA256
e3c19cd3fdd9b983f5202ac7c09873c42ce22cc4828770a1c5d8ac31efcdc676
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SHA512
4215cc55b74db28c43aeb233ab9f16efd2cc64e7d9a0d7d5bfb8cd4d06f922114f2400da948daba893609489512185ddc5852343e7f0eb1650b790be81355a3a
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SSDEEP
49152:kv4go2QSaNpzyPllgamb0CZof/JQqxNESEpk/iPLoGdqTHHB72eh2NT:kvpo2QSaNpzyPllgamYCZof/JNxoT
Malware Config
Extracted
quasar
1.4.1
something cool
desktop-ukmnq5d-quasar-client.at.remote.it:33010
desktop-ukmnq5d-quasar-client.at.remote.it:4242
182d06ff-972f-4a96-b344-59a01694d374
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encryption_key
C5904FDD788EA00F921C538B9FE80C0B0A0DE728
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install_name
MinecraftUpdater.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
MinecraftUpdater
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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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Executes dropped EXE 1 IoCs
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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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: EnumeratesProcesses 20 IoCs
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Suspicious use of AdjustPrivilegeToken 7 IoCs
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Suspicious use of FindShellTrayWindow 46 IoCs
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Suspicious use of SendNotifyMessage 46 IoCs
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Suspicious use of SetWindowsHookEx 1 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:\Users\Admin\AppData\Local\Temp\updtae.exe"C:\Users\Admin\AppData\Local\Temp\updtae.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "MinecraftUpdater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe"C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "MinecraftUpdater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\MinecraftUpdater.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /01⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.1MB
MD57c44cc7c86f90a8d5f3a29166e0d85b6
SHA1e1c3402fd0e1fe1dc91d4a61029e1a871e986524
SHA256e3c19cd3fdd9b983f5202ac7c09873c42ce22cc4828770a1c5d8ac31efcdc676
SHA5124215cc55b74db28c43aeb233ab9f16efd2cc64e7d9a0d7d5bfb8cd4d06f922114f2400da948daba893609489512185ddc5852343e7f0eb1650b790be81355a3a
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Filesize
10.8MB
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Filesize
3.1MB
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Filesize
10.8MB
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Filesize
8KB
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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
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
712KB
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Filesize
320KB