Analysis
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max time kernel
19s -
max time network
48s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
08/08/2021, 21:25
Static task
static1
Behavioral task
behavioral1
Sample
usfive_20210808-230024.exe
Resource
win7v20210410
General
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Target
usfive_20210808-230024.exe
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Size
512KB
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MD5
3017ca4cc62880230dc67a092109323b
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SHA1
577ae7d931d653b3a159b477b0311f2a6e32ccb8
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SHA256
15e07520b35264846e6bedf304a486272112afcba09717f942d7e6d52199bd95
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SHA512
35f7e1655a10f99cf58e0ff7193ec2829d07023e0235d1e20af4b8b2511e41b4b16f7ff289bb9e9c798de856f6391fa3cc3164119d71ab886d8080eab7826937
Malware Config
Extracted
raccoon
c58b0b3f1f90ad7552aaf8e84180b7580f397001
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url4cnc
https://telete.in/h_electricryptors2
Signatures
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Raccoon Stealer Payload 2 IoCs
resource yara_rule behavioral1/memory/1104-60-0x0000000000300000-0x0000000000393000-memory.dmp family_raccoon behavioral1/memory/1104-61-0x0000000000400000-0x0000000002CB6000-memory.dmp family_raccoon -
Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 640 cmd.exe -
Loads dropped DLL 8 IoCs
pid Process 1104 usfive_20210808-230024.exe 1104 usfive_20210808-230024.exe 1104 usfive_20210808-230024.exe 1104 usfive_20210808-230024.exe 1104 usfive_20210808-230024.exe 1104 usfive_20210808-230024.exe 1104 usfive_20210808-230024.exe 1104 usfive_20210808-230024.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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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). Likely ransomware behaviour.
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Delays execution with timeout.exe 1 IoCs
pid Process 532 timeout.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 usfive_20210808-230024.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 usfive_20210808-230024.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1104 wrote to memory of 640 1104 usfive_20210808-230024.exe 30 PID 1104 wrote to memory of 640 1104 usfive_20210808-230024.exe 30 PID 1104 wrote to memory of 640 1104 usfive_20210808-230024.exe 30 PID 1104 wrote to memory of 640 1104 usfive_20210808-230024.exe 30 PID 640 wrote to memory of 532 640 cmd.exe 32 PID 640 wrote to memory of 532 640 cmd.exe 32 PID 640 wrote to memory of 532 640 cmd.exe 32 PID 640 wrote to memory of 532 640 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\usfive_20210808-230024.exe"C:\Users\Admin\AppData\Local\Temp\usfive_20210808-230024.exe"1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\usfive_20210808-230024.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:532
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