Analysis
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max time kernel
146s -
max time network
148s -
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 12:37
Static task
static1
Behavioral task
behavioral1
Sample
5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe
Resource
win10v2004-20240709-en
General
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Target
5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe
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Size
389KB
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MD5
0731a7c05544adb23e6d0c70e1d8e4de
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SHA1
ccca3bde7138ff69cb383284ee294947e78b4934
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SHA256
5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f
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SHA512
413ceb927dc81941c59d3769f94d2eb0fba98daf3a050212b90c221ba4119d751d1b57478e77c1a42b01c44de3b061131cc43fcefc18f9bbee6c10868904789a
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SSDEEP
6144:0lQLkyEiFkeLnCUcx/IcoN6OWMW6v+SfbCwLHU6anN7bazxilMJdnab72i4SIHQc:05iFHnC59i3Tg6E6Jda79gwqGi8IEO
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 3752 RegAsm.exe 3752 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 2648 set thread context of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 -
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 3752 RegAsm.exe 3752 RegAsm.exe 3752 RegAsm.exe 3752 RegAsm.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2648 wrote to memory of 1108 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 83 PID 2648 wrote to memory of 1108 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 83 PID 2648 wrote to memory of 1108 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 83 PID 2648 wrote to memory of 3100 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 84 PID 2648 wrote to memory of 3100 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 84 PID 2648 wrote to memory of 3100 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 84 PID 2648 wrote to memory of 3468 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 85 PID 2648 wrote to memory of 3468 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 85 PID 2648 wrote to memory of 3468 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 85 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86 PID 2648 wrote to memory of 3752 2648 5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe"C:\Users\Admin\AppData\Local\Temp\5a8f33592e92fb5822f9be7c894215f17b886cb68d1b7028f7a470c2a41dd20f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:1108
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3100
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3468
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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:3752
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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