Analysis
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max time kernel
147s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240709-en -
resource tags
arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-07-2024 19:08
Static task
static1
Behavioral task
behavioral1
Sample
15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe
Resource
win10v2004-20240709-en
General
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Target
15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe
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Size
390KB
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MD5
f0785a4c37f8e6e0671115c3ce8513f1
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SHA1
a79c82c1051fc0912577bdbae5ada403f36fa0fa
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SHA256
15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6
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SHA512
09ce2ad25185a5b140d87148f313baa653032d2f0974e99d40a7bbe3120f61f6856b6dbfa4ec1c1c7b3951a8c463156624423937793c18081c2efb8a755cf82a
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SSDEEP
6144:+BdDzRpL5aUyAUCjZBLnk8OnvKfghCtYEwOY+V8o4b6Ppp9SJeei8zEO:+ppUUyOHJghREnYQK+P79S5i8zEO
Malware Config
Extracted
stealc
default
http://85.28.47.101
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url_path
/f3ee98d7eec07fb9.php
Signatures
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Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 5036 RegAsm.exe 5036 RegAsm.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1436 set thread context of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5036 RegAsm.exe 5036 RegAsm.exe 5036 RegAsm.exe 5036 RegAsm.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83 PID 1436 wrote to memory of 5036 1436 15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe"C:\Users\Admin\AppData\Local\Temp\15b13e40bc31f90ff47a8f11a726a63421881fbc258675d2878f2d2bf260f2a6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571