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Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
21/02/2024, 03:20
Static task
static1
Behavioral task
behavioral1
Sample
4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe
Resource
win7-20231215-en
General
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Target
4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe
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Size
181KB
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MD5
22b5a513db4af9a232bf0529704e2449
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SHA1
f59317dec43682e7ccf5db0d6d8a6465b27ee964
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SHA256
4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69
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SHA512
5c91d72da0ed761789b08a7d0868bac0298ee991e4e0d72efed77d2ef3c43ff92e6a0c7ec77e0e977ce4aef1632fac018cc5ebd1707a1784af15eb123e8765f7
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SSDEEP
3072:l+1s6SOYKwGwJbgrWFSQf4Yoeelc4C7lB9YUrzG19T:QTTYdVAW1f4YQ7C7lBZ6
Malware Config
Extracted
stealc
http://185.172.128.145
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect binaries embedding considerable number of MFA browser extension IDs. 3 IoCs
resource yara_rule behavioral1/memory/2972-63-0x0000000000400000-0x0000000000823000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/2972-69-0x0000000000400000-0x0000000000823000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/2972-70-0x0000000000250000-0x0000000000350000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs
resource yara_rule behavioral1/memory/2972-63-0x0000000000400000-0x0000000000823000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/2972-69-0x0000000000400000-0x0000000000823000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/2972-70-0x0000000000250000-0x0000000000350000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
resource yara_rule behavioral1/memory/2972-63-0x0000000000400000-0x0000000000823000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2972-69-0x0000000000400000-0x0000000000823000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 2972 4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe 2972 4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2972 4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe 2972 4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe"C:\Users\Admin\AppData\Local\Temp\4cbc69704efc2c428fd13988476430c8ec7e105e56b10c07bff1afa5d8d99c69.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2972
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571