Analysis
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max time kernel
132s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 07:17
Static task
static1
Behavioral task
behavioral1
Sample
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe
Resource
win10v2004-20240508-en
General
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Target
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe
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Size
2.0MB
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MD5
e70874202d0cb225c74accd8175ecea9
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SHA1
9aa8f40e950249731c0f071b8206bf0e1793fca2
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SHA256
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4
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SHA512
f20bbed6d2b2ef1c2123540bc5bc917e0a24d439fd81c717e8626bb2a5dd855968cc16f36ddd426f1d389e1bbba7f0e74566740197f96b2c9770943dfbd109c3
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SSDEEP
49152:s4K3x1vUGJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18GtIuoITsdZ
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 8 IoCs
Processes:
resource yara_rule behavioral1/memory/3792-2-0x0000000004170000-0x00000000042B9000-memory.dmp family_vidar_v7 behavioral1/memory/1116-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1116-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1116-10-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1116-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1116-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1116-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/1116-36-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
katF83B.tmppid process 1116 katF83B.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:
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exedescription pid process target process PID 3792 set thread context of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
katF83B.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString katF83B.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
katF83B.tmppid process 1116 katF83B.tmp 1116 katF83B.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exedescription pid process target process PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp PID 3792 wrote to memory of 1116 3792 292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe katF83B.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe"C:\Users\Admin\AppData\Local\Temp\292f27a223cc2333667ad92bbe375df8f27e8a1deb9e2058cf7c4754ca22cbe4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\katF83B.tmpC:\Users\Admin\AppData\Local\Temp\katF83B.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 --field-trial-handle=3440,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /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\katF83B.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/1116-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1116-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1116-10-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1116-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1116-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1116-20-0x000000001B790000-0x000000001B9EF000-memory.dmpFilesize
2.4MB
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memory/1116-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/1116-36-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/3792-0-0x00000000023A0000-0x00000000023A1000-memory.dmpFilesize
4KB
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memory/3792-2-0x0000000004170000-0x00000000042B9000-memory.dmpFilesize
1.3MB
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memory/3792-9-0x0000000000400000-0x000000000060C000-memory.dmpFilesize
2.0MB