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Analysis
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max time kernel
150s -
max time network
291s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
19/11/2024, 01:49
General
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Target
New Purchase Order-0304243220- SMART SOURCING INC.pdf____________________________________________________.exe
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Size
1.4MB
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MD5
c28ef8671a7f140f9385ab177e38844b
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SHA1
4cc35c23f2ce252413249ecd2ea47967fc00d5a4
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SHA256
ffa58ebc168e4a19c311097b97645a5d8801db2326f4e8784b634c3e2e2de991
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SHA512
6ce012bf3c1024eef4a47f54c86e3819175816d6c39bfa2216d1d522fc9612637473d8c6be2f4f203f52fc38c2bf887ed6e748ff5c18ee960fb0d82014ade82a
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SSDEEP
12288:2fcOokxZ4FK9VlPprK7w5NljuDvdLwLEcXq8dxSaDygxpy3nZOJcllvB:2P8FMhQiXhxkKcOUv
Malware Config
Extracted
quasar
1.4.1
Chim
aboushagor.ydns.eu:6542
0b30f45d-3c54-4926-a32f-8a1dc077eb21
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encryption_key
799E5C34BA6EC18D72E269D0C5CF1A5AC1AD9277
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install_name
windows update.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svchost
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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 1 IoCs
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
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Drops startup file 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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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.
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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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
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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
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "svchost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\windows update.exe" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
1.4MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
1.5MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
336KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
3.1MB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
6.1MB
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Filesize
320KB
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Filesize
712KB
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Filesize
72KB
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Filesize
240KB
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Filesize
408KB
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Filesize
7.7MB