Analysis
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max time kernel
134s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 00:36
Static task
static1
Behavioral task
behavioral1
Sample
1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe
Resource
win10v2004-20240508-en
General
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Target
1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe
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Size
1.9MB
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MD5
b5137b7bb544c0f4c66e3d68c280cbbd
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SHA1
2e87bc42369c042807d3b270897a252cbb45bb7f
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SHA256
1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394
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SHA512
3435893565e60ec73f82486ed09d314535770c05e0df8e1ee3435aaba1d599f6e1facd0dab4c2e67c0bacf0edde3f694cfae6fac0c38e35536166cd2ac909e3e
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SSDEEP
49152:CdKfTn6vWJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnttIuoITsdZ
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/216-2-0x0000000003FE0000-0x0000000004129000-memory.dmp family_vidar_v7 behavioral1/memory/4772-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4772-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4772-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4772-17-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4772-18-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4772-35-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral1/memory/4772-36-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat57B5.tmppid process 4772 kat57B5.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:
1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exedescription pid process target process PID 216 set thread context of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat57B5.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat57B5.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat57B5.tmppid process 4772 kat57B5.tmp 4772 kat57B5.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exedescription pid process target process PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp PID 216 wrote to memory of 4772 216 1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe kat57B5.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe"C:\Users\Admin\AppData\Local\Temp\1cddbe6410e08cb44c7ed7244d9e22305379b0b928ae75042d7c0e8025827394.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Users\Admin\AppData\Local\Temp\kat57B5.tmpC:\Users\Admin\AppData\Local\Temp\kat57B5.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4772
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\kat57B5.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/216-0-0x0000000000880000-0x0000000000881000-memory.dmpFilesize
4KB
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memory/216-2-0x0000000003FE0000-0x0000000004129000-memory.dmpFilesize
1.3MB
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memory/216-10-0x0000000000400000-0x00000000005EC000-memory.dmpFilesize
1.9MB
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memory/4772-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4772-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4772-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4772-17-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4772-18-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4772-20-0x000000001B7C0000-0x000000001BA1F000-memory.dmpFilesize
2.4MB
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memory/4772-35-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4772-36-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB