Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2024 18:54
Behavioral task
behavioral1
Sample
rararararararaaar.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
rararararararaaar.exe
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Size
3.1MB
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MD5
81a8b86d10e24aa1dce9abe78a6003e1
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SHA1
94b9154eef6c092ad539b57449a458ec0dfcd196
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SHA256
6f57eaa317afcb0a3ad48f011031de7e0a32057e55ccbeba6961f27f829e745a
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SHA512
51e8a74ecc49ce6218bfe59b7c01828c3e8c76af542c98dc5fd1a9f94157b4febd8c19995213390580f993f2f929e6139becf51e25b94404fdcad126cf39f395
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SSDEEP
49152:DvrI22SsaNYfdPBldt698dBcjHgERJ6hbR3LoGdgTHHB72eh2NT:DvU22SsaNYfdPBldt6+dBcjHgERJ6D
Malware Config
Extracted
Family
quasar
Version
1.4.1
Botnet
roar
C2
lkjhblskhg-49405.portmap.host:49405
Mutex
5561e906-e428-4f00-a29e-9139fc28a77c
Attributes
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encryption_key
C5904FDD788EA00F921C538B9FE80C0B0A0DE728
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install_name
roar.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
discord
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 2 IoCs
resource yara_rule behavioral1/memory/3408-1-0x0000000000010000-0x0000000000334000-memory.dmp family_quasar behavioral1/files/0x0008000000023c83-6.dat family_quasar -
Executes dropped EXE 1 IoCs
pid Process 324 roar.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings taskmgr.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell taskmgr.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU taskmgr.exe Set value (data) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots taskmgr.exe Set value (data) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff taskmgr.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1908 schtasks.exe 3748 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3408 rararararararaaar.exe Token: SeDebugPrivilege 324 roar.exe Token: SeDebugPrivilege 4800 taskmgr.exe Token: SeSystemProfilePrivilege 4800 taskmgr.exe Token: SeCreateGlobalPrivilege 4800 taskmgr.exe Token: 33 4800 taskmgr.exe Token: SeIncBasePriorityPrivilege 4800 taskmgr.exe -
Suspicious use of FindShellTrayWindow 57 IoCs
pid Process 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe -
Suspicious use of SendNotifyMessage 57 IoCs
pid Process 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe 4800 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 324 roar.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3408 wrote to memory of 1908 3408 rararararararaaar.exe 83 PID 3408 wrote to memory of 1908 3408 rararararararaaar.exe 83 PID 3408 wrote to memory of 324 3408 rararararararaaar.exe 85 PID 3408 wrote to memory of 324 3408 rararararararaaar.exe 85 PID 324 wrote to memory of 3748 324 roar.exe 86 PID 324 wrote to memory of 3748 324 roar.exe 86 -
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\rararararararaaar.exe"C:\Users\Admin\AppData\Local\Temp\rararararararaaar.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "discord" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\roar.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:1908
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C:\Users\Admin\AppData\Roaming\SubDir\roar.exe"C:\Users\Admin\AppData\Roaming\SubDir\roar.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "discord" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\roar.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:3748
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /01⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4800
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2056
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.1MB
MD581a8b86d10e24aa1dce9abe78a6003e1
SHA194b9154eef6c092ad539b57449a458ec0dfcd196
SHA2566f57eaa317afcb0a3ad48f011031de7e0a32057e55ccbeba6961f27f829e745a
SHA51251e8a74ecc49ce6218bfe59b7c01828c3e8c76af542c98dc5fd1a9f94157b4febd8c19995213390580f993f2f929e6139becf51e25b94404fdcad126cf39f395