Analysis
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max time kernel
142s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 16:29
Static task
static1
Behavioral task
behavioral1
Sample
e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe
Resource
win10v2004-20240226-en
General
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Target
e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe
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Size
2.0MB
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MD5
c730c2b769614ec6da1632c62d7c9ced
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SHA1
b2228b89632e292c145edb026fbc089ec241c628
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SHA256
e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9
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SHA512
930e15eaa0204d1f0ac40d6344252cf7d2c8f7530e2a6541a0a129644f2e36d96097dc11591114d1698f3aae9ea8a5b5a0c70dda35f1ae4366c699f48f9fd573
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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 10 IoCs
Processes:
resource yara_rule behavioral1/memory/1572-1-0x00000000041A0000-0x00000000042E9000-memory.dmp family_vidar_v7 behavioral1/memory/408-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-16-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-34-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/408-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katF5.tmppid process 408 katF5.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:
e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exedescription pid process target process PID 1572 set thread context of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katF5.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katF5.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
katF5.tmppid process 408 katF5.tmp 408 katF5.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exedescription pid process target process PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp PID 1572 wrote to memory of 408 1572 e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe katF5.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe"C:\Users\Admin\AppData\Local\Temp\e84ae2d487510e04fc032f22ded61612cca841f1fec9cc884f37a84725ef3de9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Users\Admin\AppData\Local\Temp\katF5.tmpC:\Users\Admin\AppData\Local\Temp\katF5.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:408
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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=3912 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵PID:2348
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\katF5.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/408-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-16-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-18-0x000000001B760000-0x000000001B9BF000-memory.dmpFilesize
2.4MB
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memory/408-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-34-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/408-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1572-1-0x00000000041A0000-0x00000000042E9000-memory.dmpFilesize
1.3MB
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memory/1572-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB
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memory/1572-0-0x0000000000800000-0x0000000000801000-memory.dmpFilesize
4KB