Analysis
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max time kernel
28s -
max time network
29s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
22-02-2021 14:14
Static task
static1
Behavioral task
behavioral1
Sample
8c24f4757a7100d4320e848023ca9f4c.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
8c24f4757a7100d4320e848023ca9f4c.exe
Resource
win10v20201028
General
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Target
8c24f4757a7100d4320e848023ca9f4c.exe
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Size
640KB
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MD5
8c24f4757a7100d4320e848023ca9f4c
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SHA1
26c1c6d789037cfb335dd5635617ef013fa4c4cd
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SHA256
94651db17b9e3921ba9e4484b848bfc920f6a1d451d6a2a5fe3ca9bc386d7c29
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SHA512
6ea825bda92097c2d8834442566886e560dbbeaa7c5f83ce630cc19415f12c3c751f3c947acebcbc41c5da78c6bfc5a5c4113bda8488d9c176d24b25ed644db7
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1748-13-0x0000000002470000-0x0000000002499000-memory.dmp family_redline behavioral1/memory/1748-19-0x00000000024A0000-0x00000000024C7000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
noabu.exepid process 1748 noabu.exe -
Loads dropped DLL 1 IoCs
Processes:
8c24f4757a7100d4320e848023ca9f4c.exepid process 744 8c24f4757a7100d4320e848023ca9f4c.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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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 13 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
8c24f4757a7100d4320e848023ca9f4c.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8c24f4757a7100d4320e848023ca9f4c.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8c24f4757a7100d4320e848023ca9f4c.exe -
Processes:
noabu.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 noabu.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 noabu.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 noabu.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
noabu.exepid process 1748 noabu.exe 1748 noabu.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
noabu.exedescription pid process Token: SeDebugPrivilege 1748 noabu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
8c24f4757a7100d4320e848023ca9f4c.exedescription pid process target process PID 744 wrote to memory of 1748 744 8c24f4757a7100d4320e848023ca9f4c.exe noabu.exe PID 744 wrote to memory of 1748 744 8c24f4757a7100d4320e848023ca9f4c.exe noabu.exe PID 744 wrote to memory of 1748 744 8c24f4757a7100d4320e848023ca9f4c.exe noabu.exe PID 744 wrote to memory of 1748 744 8c24f4757a7100d4320e848023ca9f4c.exe noabu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8c24f4757a7100d4320e848023ca9f4c.exe"C:\Users\Admin\AppData\Local\Temp\8c24f4757a7100d4320e848023ca9f4c.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\paperships\noabu.exenoabu.exe2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\paperships\noabu.exeMD5
f556302aa8c3dd96773e666347d9f476
SHA15290063b66db2064d55d4ee36acae20b2b6a6044
SHA2566fc478619e492f7c687bdff2235a57206f867c0601e22301480202a9c0ceb16b
SHA51282a61676b07373cb885af0c9552020c27a6e0b90bd4c5788319276db4231185b7739eeef6e24b877825722fd67716630c3007bc8c0bcb807555e46b19c151e4d
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\Users\Admin\AppData\Roaming\paperships\noabu.exeMD5
f556302aa8c3dd96773e666347d9f476
SHA15290063b66db2064d55d4ee36acae20b2b6a6044
SHA2566fc478619e492f7c687bdff2235a57206f867c0601e22301480202a9c0ceb16b
SHA51282a61676b07373cb885af0c9552020c27a6e0b90bd4c5788319276db4231185b7739eeef6e24b877825722fd67716630c3007bc8c0bcb807555e46b19c151e4d
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memory/744-3-0x0000000075E51000-0x0000000075E53000-memory.dmpFilesize
8KB
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memory/744-4-0x00000000008A0000-0x000000000096F000-memory.dmpFilesize
828KB
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memory/744-5-0x0000000000400000-0x00000000004D5000-memory.dmpFilesize
852KB
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memory/744-2-0x0000000000B20000-0x0000000000B31000-memory.dmpFilesize
68KB
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memory/1252-6-0x000007FEF7590000-0x000007FEF780A000-memory.dmpFilesize
2.5MB
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memory/1748-10-0x0000000000CC0000-0x0000000000CD1000-memory.dmpFilesize
68KB
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memory/1748-8-0x0000000000000000-mapping.dmp
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memory/1748-11-0x0000000002250000-0x0000000002261000-memory.dmpFilesize
68KB
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memory/1748-12-0x0000000073E70000-0x000000007455E000-memory.dmpFilesize
6.9MB
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memory/1748-13-0x0000000002470000-0x0000000002499000-memory.dmpFilesize
164KB
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memory/1748-15-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1748-16-0x0000000004DA1000-0x0000000004DA2000-memory.dmpFilesize
4KB
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memory/1748-14-0x0000000000230000-0x0000000000265000-memory.dmpFilesize
212KB
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memory/1748-17-0x0000000004DA2000-0x0000000004DA3000-memory.dmpFilesize
4KB
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memory/1748-18-0x0000000004DA3000-0x0000000004DA4000-memory.dmpFilesize
4KB
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memory/1748-19-0x00000000024A0000-0x00000000024C7000-memory.dmpFilesize
156KB
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memory/1748-20-0x0000000004DA4000-0x0000000004DA6000-memory.dmpFilesize
8KB