Analysis
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max time kernel
142s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 04:43
Static task
static1
Behavioral task
behavioral1
Sample
80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe
Resource
win10v2004-20240226-en
General
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Target
80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe
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Size
2.0MB
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MD5
1b179ea3f1e3335c8027a5b12db4c5d8
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SHA1
3104ad6743a6480d0be7bcb02560bcf16e625225
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SHA256
80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a
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SHA512
08a564da16c20e17113655042f3372ee4abe82ac96b3d1fa654c85266d89631793cc7e3c841c035003a5df71c893719bd245ff4c4aa78c3817d27f4fc04ea253
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SSDEEP
49152:s4K3x1vUWJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18WtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 9 IoCs
Processes:
resource yara_rule behavioral1/memory/1312-1-0x0000000004210000-0x0000000004359000-memory.dmp family_vidar_v7 behavioral1/memory/4976-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4976-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4976-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4976-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4976-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4976-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4976-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4976-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katE24.tmppid process 4976 katE24.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exedescription pid process target process PID 1312 set thread context of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katE24.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katE24.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
katE24.tmppid process 4976 katE24.tmp 4976 katE24.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exedescription pid process target process PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp PID 1312 wrote to memory of 4976 1312 80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe katE24.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe"C:\Users\Admin\AppData\Local\Temp\80adf0b291c02118699093c5edc05e49e6d649cd2970d1d98bc750e6fd2d029a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\katE24.tmpC:\Users\Admin\AppData\Local\Temp\katE24.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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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=3720 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\katE24.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1312-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
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memory/1312-1-0x0000000004210000-0x0000000004359000-memory.dmpFilesize
1.3MB
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memory/1312-0-0x00000000023A0000-0x00000000023A1000-memory.dmpFilesize
4KB
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memory/4976-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4976-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4976-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4976-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4976-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4976-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4976-18-0x000000001DC70000-0x000000001DECF000-memory.dmpFilesize
2.4MB
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memory/4976-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4976-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB