Analysis
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max time kernel
133s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2024, 22:08
Static task
static1
Behavioral task
behavioral1
Sample
5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe
Resource
win7-20240221-en
General
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Target
5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe
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Size
326KB
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MD5
9d250ac8d4aadc7ea557ce665788702d
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SHA1
c345a53e243cf50dda2723763e18577e8d988384
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SHA256
5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157
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SHA512
f22d16d5b9314a8f5d60e0d3f8269dc0f141ddf43eab978b15cc174e66f1c71de3df676976d69a6e1f5c20e2c017e2fbd327515351f9abe4dc32f3900d11d0d2
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SSDEEP
6144:Wwjg4HV406PH3SM/52tGk2RZ7DkHis8D4jtpGvNb/a:WYJV406B/UtGkkZ7DKit4jtqb/a
Malware Config
Extracted
stealc
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
resource yara_rule behavioral2/memory/4016-81-0x0000000000400000-0x000000000063B000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/4016-80-0x0000000000400000-0x0000000001A1B000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
resource yara_rule behavioral2/memory/4016-81-0x0000000000400000-0x000000000063B000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/4016-80-0x0000000000400000-0x0000000001A1B000-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 behavioral2/memory/4016-81-0x0000000000400000-0x000000000063B000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/4016-80-0x0000000000400000-0x0000000001A1B000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 4016 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe 4016 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1120 4016 WerFault.exe 84 -
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 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4016 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe 4016 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe 4016 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe 4016 5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe"C:\Users\Admin\AppData\Local\Temp\5843aa8280819e31b06f61a02cdf2c908c891bed32beb9860843b769a6f14157.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4016 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 23722⤵
- Program crash
PID:1120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4016 -ip 40161⤵PID:2672
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571