Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
23-05-2024 01:32
General
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Target
5d2153603e4b44738ce55836b93d9b8a6676dcb4b9acbef9a4e0a8d3b38d3abd.exe
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Size
2.1MB
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MD5
e944a0bbd2b4eacf1c70e969db2f600a
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SHA1
1e3cc585110b19c62bda4dc3f76dc1ffa14f3775
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SHA256
5d2153603e4b44738ce55836b93d9b8a6676dcb4b9acbef9a4e0a8d3b38d3abd
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SHA512
fa0488fc8bdfc2cf22eca3170b1806c2caba933e396647a2ffc4728d14a620d3851393f4f0b5157daa5f9de864dda06192f75d952d0b8d41af04b299f7da7cca
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SSDEEP
49152:N6uDuaS9refuYJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9DYtIuoITsdZ
Malware Config
Extracted
stealc
Signatures
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Detect Vidar Stealer 10 IoCs
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Stealc
Stealc is an infostealer written in C++.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Detect binaries embedding considerable number of MFA browser extension IDs. 4 IoCs
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Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 4 IoCs
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Detects Windows executables referencing non-Windows User-Agents 9 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 9 IoCs
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Detects executables containing potential Windows Defender anti-emulation checks 9 IoCs
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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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
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Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies system certificate store 2 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5d2153603e4b44738ce55836b93d9b8a6676dcb4b9acbef9a4e0a8d3b38d3abd.exe"C:\Users\Admin\AppData\Local\Temp\5d2153603e4b44738ce55836b93d9b8a6676dcb4b9acbef9a4e0a8d3b38d3abd.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat195A.tmpC:\Users\Admin\AppData\Local\Temp\kat195A.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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Filesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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Filesize
2.1MB
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Filesize
1.3MB
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Filesize
4KB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
2.4MB
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Filesize
2.3MB
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Filesize
2.3MB