Analysis
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max time kernel
28s -
max time network
27s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
01-11-2020 07:31
Static task
static1
Behavioral task
behavioral1
Sample
fa4988669374b7f32ab387fe8029625e.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
fa4988669374b7f32ab387fe8029625e.exe
Resource
win10v20201028
General
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Target
fa4988669374b7f32ab387fe8029625e.exe
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Size
778KB
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MD5
fa4988669374b7f32ab387fe8029625e
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SHA1
982be59b08cbaae6aeddbc32ae55989ac551a917
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SHA256
951d7b367ca9c6742c6c48a017519323a9ee9b7c3ec0fed414aabcd5fc09c26f
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SHA512
68c329f9c888a9034a6f4be638b7d1bff5fda2167898f3d7526089c589b68a1e535c91e57a24af6fe0cc2911243ec188a2e370e54e45b85ecb3a0fed413bea1e
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/1060-10-0x0000000003B90000-0x0000000003BB4000-memory.dmp family_redline behavioral1/memory/1060-12-0x0000000003EE0000-0x0000000003F02000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
bestof.exepid process 1060 bestof.exe -
Loads dropped DLL 1 IoCs
Processes:
fa4988669374b7f32ab387fe8029625e.exepid process 1924 fa4988669374b7f32ab387fe8029625e.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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 ip-api.com 14 checkip.amazonaws.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:
fa4988669374b7f32ab387fe8029625e.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 fa4988669374b7f32ab387fe8029625e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString fa4988669374b7f32ab387fe8029625e.exe -
Processes:
fa4988669374b7f32ab387fe8029625e.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 fa4988669374b7f32ab387fe8029625e.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 fa4988669374b7f32ab387fe8029625e.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bestof.exepid process 1060 bestof.exe 1060 bestof.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bestof.exedescription pid process Token: SeDebugPrivilege 1060 bestof.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
fa4988669374b7f32ab387fe8029625e.exebestof.execmd.exedescription pid process target process PID 1924 wrote to memory of 1060 1924 fa4988669374b7f32ab387fe8029625e.exe bestof.exe PID 1924 wrote to memory of 1060 1924 fa4988669374b7f32ab387fe8029625e.exe bestof.exe PID 1924 wrote to memory of 1060 1924 fa4988669374b7f32ab387fe8029625e.exe bestof.exe PID 1924 wrote to memory of 1060 1924 fa4988669374b7f32ab387fe8029625e.exe bestof.exe PID 1060 wrote to memory of 904 1060 bestof.exe cmd.exe PID 1060 wrote to memory of 904 1060 bestof.exe cmd.exe PID 1060 wrote to memory of 904 1060 bestof.exe cmd.exe PID 1060 wrote to memory of 904 1060 bestof.exe cmd.exe PID 904 wrote to memory of 1644 904 cmd.exe PING.EXE PID 904 wrote to memory of 1644 904 cmd.exe PING.EXE PID 904 wrote to memory of 1644 904 cmd.exe PING.EXE PID 904 wrote to memory of 1644 904 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\fa4988669374b7f32ab387fe8029625e.exe"C:\Users\Admin\AppData\Local\Temp\fa4988669374b7f32ab387fe8029625e.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""3⤵
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 34⤵
- Runs ping.exe
PID:1644
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
6943b3380427465a7998ddf3a96945a0
SHA1abb680ef5e005da1610828d518c15a250b001fd9
SHA25694e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb
SHA5125c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d
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MD5
6943b3380427465a7998ddf3a96945a0
SHA1abb680ef5e005da1610828d518c15a250b001fd9
SHA25694e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb
SHA5125c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d