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Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
17/11/2023, 16:47
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe
Resource
win7-20231023-en
General
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Target
NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe
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Size
269KB
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MD5
557a85c1233fd59bc4cc707b44231c6b
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SHA1
0e13d167bf632a8a65fb1ba5916af8c11e671872
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SHA256
70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef
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SHA512
408a52244fffebbddc3bcb161ae2892596428e6d9938665f89bfcaf9e1ae865045a6f89c263169007ed559869b46ce3941ce0724d06dfe5dc50930597af01128
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SSDEEP
3072:7TfpODPLkwn2pBF4/Hu+FxIrPop3Cd2eEm0ThJ0ReN77xbnrrq5klzQEPdMFJyGX:ULkwn/O69p33ThZG
Malware Config
Extracted
stealc
http://bernardofata.icu
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url_path
/40d570f44e84a454.php
Signatures
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Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 2424 cmd.exe -
Loads dropped DLL 2 IoCs
pid Process 2872 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe 2872 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe -
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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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 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1424 timeout.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2872 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2872 wrote to memory of 2424 2872 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe 29 PID 2872 wrote to memory of 2424 2872 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe 29 PID 2872 wrote to memory of 2424 2872 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe 29 PID 2872 wrote to memory of 2424 2872 NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe 29 PID 2424 wrote to memory of 1424 2424 cmd.exe 31 PID 2424 wrote to memory of 1424 2424 cmd.exe 31 PID 2424 wrote to memory of 1424 2424 cmd.exe 31 PID 2424 wrote to memory of 1424 2424 cmd.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2872 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\NEAS.70b2fbdbe34e05f0c3a84f5c9068e7f4970d7fa25452fa561357ca7d2e2be2ef.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1424
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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