Analysis
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max time kernel
122s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
31/05/2024, 04:49
General
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Target
ef86fb3a78be5d19a69f1be1c803c51be36cade89ddb782de51af8639b395b23.exe
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Size
2.5MB
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MD5
50fd90dab1d0cbf29105708878923c69
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SHA1
1621b30e854dee8a496616d7254a5f353cd86f72
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SHA256
ef86fb3a78be5d19a69f1be1c803c51be36cade89ddb782de51af8639b395b23
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SHA512
60534afcaae8f725b817af2db87f9ddacd3c5162fd9502b4061d836b6d501b303a30c4b590305d0fc97040117174ae064a5d68bdb22622624842b7457cc9fd09
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SSDEEP
49152:+BX5/0mLBI1JVpJtTF+TxMoxc1TU+j+dAzGRX+:+BX5/0mAXtIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/ta904ek
https://steamcommunity.com/profiles/76561199695752269
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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 11 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. 5 IoCs
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Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 5 IoCs
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Detects Windows executables referencing non-Windows User-Agents 10 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 10 IoCs
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Detects executables containing potential Windows Defender anti-emulation checks 10 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\ef86fb3a78be5d19a69f1be1c803c51be36cade89ddb782de51af8639b395b23.exe"C:\Users\Admin\AppData\Local\Temp\ef86fb3a78be5d19a69f1be1c803c51be36cade89ddb782de51af8639b395b23.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kat709E.tmpC:\Users\Admin\AppData\Local\Temp\kat709E.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
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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Filesize
1.3MB
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Filesize
4KB
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Filesize
2.5MB
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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
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Filesize
2.3MB