Analysis
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max time kernel
107s -
max time network
118s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
13-11-2023 03:25
Static task
static1
General
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Target
aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe
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Size
230KB
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MD5
230cf90d72bf1c23aaee2037514c0556
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SHA1
a22b7bcd3661da01bb71139fdaffb855d1b7bac2
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SHA256
aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f
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SHA512
3d7c8dacdef00e892c9fb522e4d630806577b72ac35f7fdc4a723d4b91f022e489a29b8b7f84c106d6803e25970e96d90c00d8cfd7364a7685ecda744d817587
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SSDEEP
3072:+LW2LXUFEpLWbt9TC0Oe2AbTrbaRxB/0p6W7d7XrHRleJMDi4mfK:v2LXU8LAyHen7+F/A6I9/eJMDi4m
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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Loads dropped DLL 2 IoCs
pid Process 3988 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe 3988 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4184 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3988 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe 3988 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3988 wrote to memory of 4548 3988 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe 70 PID 3988 wrote to memory of 4548 3988 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe 70 PID 3988 wrote to memory of 4548 3988 aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe 70 PID 4548 wrote to memory of 4184 4548 cmd.exe 72 PID 4548 wrote to memory of 4184 4548 cmd.exe 72 PID 4548 wrote to memory of 4184 4548 cmd.exe 72
Processes
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C:\Users\Admin\AppData\Local\Temp\aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe"C:\Users\Admin\AppData\Local\Temp\aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\aa209822434e1328d83dc30d14f5f177b9f906ad33fc033e05a33a6196c6ff5f.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:4184
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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
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571