Analysis
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max time kernel
27s -
max time network
26s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
01-11-2020 07:10
Static task
static1
Behavioral task
behavioral1
Sample
c63d19254013b1268954ca8ad88b40a7.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
c63d19254013b1268954ca8ad88b40a7.exe
Resource
win10v20201028
General
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Target
c63d19254013b1268954ca8ad88b40a7.exe
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Size
789KB
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MD5
c63d19254013b1268954ca8ad88b40a7
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SHA1
6df96fbebc9708ba1dfc209e06fc95586f4f74ef
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SHA256
4e2065cecd07e0a7974565b591d3969f58c23f093afcda612413bb88ea39d2b6
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SHA512
7227d76627ac9727458777446ef3897f4c0f8e7538d08e6fdbb2fdbbdbb6ffcb78d5f3f4e7a9d768284e2ad8afa294b16c3bfabfd0e86f5789310cfbdcdfe507
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/840-10-0x0000000003BE0000-0x0000000003C04000-memory.dmp family_redline behavioral1/memory/840-11-0x0000000003F00000-0x0000000003F22000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
bestof.exepid process 840 bestof.exe -
Loads dropped DLL 1 IoCs
Processes:
c63d19254013b1268954ca8ad88b40a7.exepid process 1756 c63d19254013b1268954ca8ad88b40a7.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:
c63d19254013b1268954ca8ad88b40a7.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 c63d19254013b1268954ca8ad88b40a7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString c63d19254013b1268954ca8ad88b40a7.exe -
Processes:
c63d19254013b1268954ca8ad88b40a7.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 c63d19254013b1268954ca8ad88b40a7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 c63d19254013b1268954ca8ad88b40a7.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bestof.exepid process 840 bestof.exe 840 bestof.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bestof.exedescription pid process Token: SeDebugPrivilege 840 bestof.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
c63d19254013b1268954ca8ad88b40a7.exebestof.execmd.exedescription pid process target process PID 1756 wrote to memory of 840 1756 c63d19254013b1268954ca8ad88b40a7.exe bestof.exe PID 1756 wrote to memory of 840 1756 c63d19254013b1268954ca8ad88b40a7.exe bestof.exe PID 1756 wrote to memory of 840 1756 c63d19254013b1268954ca8ad88b40a7.exe bestof.exe PID 1756 wrote to memory of 840 1756 c63d19254013b1268954ca8ad88b40a7.exe bestof.exe PID 840 wrote to memory of 1652 840 bestof.exe cmd.exe PID 840 wrote to memory of 1652 840 bestof.exe cmd.exe PID 840 wrote to memory of 1652 840 bestof.exe cmd.exe PID 840 wrote to memory of 1652 840 bestof.exe cmd.exe PID 1652 wrote to memory of 1716 1652 cmd.exe PING.EXE PID 1652 wrote to memory of 1716 1652 cmd.exe PING.EXE PID 1652 wrote to memory of 1716 1652 cmd.exe PING.EXE PID 1652 wrote to memory of 1716 1652 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\c63d19254013b1268954ca8ad88b40a7.exe"C:\Users\Admin\AppData\Local\Temp\c63d19254013b1268954ca8ad88b40a7.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""3⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 34⤵
- Runs ping.exe
PID:1716
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