Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18-04-2024 16:39
Static task
static1
Behavioral task
behavioral1
Sample
f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe
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Size
2.5MB
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MD5
f85dd19dc69ace93e973bd0111676b98
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SHA1
31b16ef143997f726ef06e8e40118ee8662913b9
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SHA256
eca8b55abc0da9ef5ba867fafc91be160b5cc41732eb492524c2ed5a1f1f2757
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SHA512
b42f0dc0fb9f2e9f48159429eae1c5241659ec193137f5a5278f33329398ac3b46edb1e35e99a2253fc8f85dbbd93874a103f8d1c40bbb4327d135a611437e79
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SSDEEP
12288:9erTc6gygZxDXaAc2FnkiRtr7xC0jt6XoDIFvGpA562MrtOiwk3Ta77Hp0fWAUm0:9TqAvT/6YcFeK62MrtsfvvYFyFuofD
Malware Config
Extracted
quasar
1.4.0
Office04
127.0.0.1:4782
26665e14-4c4f-48fa-a94f-112ea3960adc
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encryption_key
AD76909CB7E41A1165C69A30DC0727471C5BDBB3
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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
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2432-1-0x0000020701A60000-0x0000020701AE4000-memory.dmp family_quasar -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 2432 f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exepid process 2432 f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exepid process 2432 f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2432
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4456 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:1624