Analysis
- max time kernel
31s - max time network
33s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
17/04/2023, 05:41
Static task
static1
Behavioral task
behavioral1
Sample
18b69329c39ad2ce3df2965834a11bdf.exe
Resource
win7-20230220-en
11 signatures
150 seconds
General
- Target 18b69329c39ad2ce3df2965834a11bdf.exe
- Size 212KB
- Sample230417-gdfd2adb52
- SHA256 8d2ae0363e3aef4a75785737bbfe64fa85ec9af8a2e297cc8dfb56b8e5a62d01
- MD5 18b69329c39ad2ce3df2965834a11bdf
- SHA1 2bf1df1b70ed0de8265ffb8a4cc41eff5b98090a
- SHA512 c89b0628327e080ae5006776329f3217d633c373c33b04532225231358f3eeef21da42fd038b354d7c7e5944d05244c19f7b6ba5080fbcc53fb004f5678315cc
- SSDEEP 3072:qBiBK8RXjrfUe/Kxua1Stsdj3y4Q53X1PoI7inqjZdq:OEVfGuwStsdj3Ip7inx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Downloads MZ/PE file
- Deletes itself 1 IoCs
pid Process 1936 cmd.exe - Loads dropped DLL 2 IoCs
pid Process 1236 18b69329c39ad2ce3df2965834a11bdf.exe 1236 18b69329c39ad2ce3df2965834a11bdf.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 18b69329c39ad2ce3df2965834a11bdf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 18b69329c39ad2ce3df2965834a11bdf.exe - Delays execution with timeout.exe 1 IoCs
pid Process 692 timeout.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1236 18b69329c39ad2ce3df2965834a11bdf.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1236 wrote to memory of 1936 1236 18b69329c39ad2ce3df2965834a11bdf.exe 30 PID 1236 wrote to memory of 1936 1236 18b69329c39ad2ce3df2965834a11bdf.exe 30 PID 1236 wrote to memory of 1936 1236 18b69329c39ad2ce3df2965834a11bdf.exe 30 PID 1236 wrote to memory of 1936 1236 18b69329c39ad2ce3df2965834a11bdf.exe 30 PID 1936 wrote to memory of 692 1936 cmd.exe 32 PID 1936 wrote to memory of 692 1936 cmd.exe 32 PID 1936 wrote to memory of 692 1936 cmd.exe 32 PID 1936 wrote to memory of 692 1936 cmd.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\18b69329c39ad2ce3df2965834a11bdf.exe"C:\Users\Admin\AppData\Local\Temp\18b69329c39ad2ce3df2965834a11bdf.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\18b69329c39ad2ce3df2965834a11bdf.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:692
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path \ProgramData\mozglue.dll
- Size 593KB
- SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
- MD5 c8fd9be83bc728cc04beffafc2907fe9
- SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
- SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
- SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
- MD5 SHA1 SHA512 SSDEEP
- Path \ProgramData\nss3.dll
- Size 2.0MB
- SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
- MD5 1cc453cdf74f31e4d913ff9c10acdde2
- SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
- SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
- SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
- MD5 SHA1 SHA512 SSDEEP