Analysis
-
max time kernel
135s -
max time network
136s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
30-10-2020 19:35
Static task
static1
Behavioral task
behavioral1
Sample
75be014e5cba03bc01cad324c0858808.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
75be014e5cba03bc01cad324c0858808.exe
Resource
win10v20201028
General
-
Target
75be014e5cba03bc01cad324c0858808.exe
-
Size
777KB
-
MD5
75be014e5cba03bc01cad324c0858808
-
SHA1
ea7975231e51ed81b1f3f101580829b2cce39fc3
-
SHA256
87cd820fbd3707a5c0163a68fc72eeee76d16867aefc372c19b03bf1edc0bbd7
-
SHA512
fef33c0723c826d899480d0a880cce771a18d0582bca1a01144f7671bb47ddf45752c7e450fdb417f91919ec1c5c4b6a6b6f21546b0f0aa6590d993adaee8eea
Malware Config
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1808-18-0x0000000000400000-0x0000000000426000-memory.dmp family_redline behavioral1/memory/1808-19-0x000000000042064E-mapping.dmp family_redline behavioral1/memory/1808-21-0x0000000000400000-0x0000000000426000-memory.dmp family_redline behavioral1/memory/1808-22-0x0000000000400000-0x0000000000426000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
Processes:
bestof.exebestof.exepid process 268 bestof.exe 1808 bestof.exe -
Loads dropped DLL 1 IoCs
Processes:
75be014e5cba03bc01cad324c0858808.exepid process 1056 75be014e5cba03bc01cad324c0858808.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs
-
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 9 ip-api.com 14 checkip.amazonaws.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bestof.exedescription pid process target process PID 268 set thread context of 1808 268 bestof.exe bestof.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
75be014e5cba03bc01cad324c0858808.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 75be014e5cba03bc01cad324c0858808.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 75be014e5cba03bc01cad324c0858808.exe -
Processes:
75be014e5cba03bc01cad324c0858808.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 75be014e5cba03bc01cad324c0858808.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 75be014e5cba03bc01cad324c0858808.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bestof.exepid process 1808 bestof.exe 1808 bestof.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
bestof.exebestof.exedescription pid process Token: SeDebugPrivilege 268 bestof.exe Token: SeDebugPrivilege 1808 bestof.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
75be014e5cba03bc01cad324c0858808.exebestof.exebestof.execmd.exedescription pid process target process PID 1056 wrote to memory of 268 1056 75be014e5cba03bc01cad324c0858808.exe bestof.exe PID 1056 wrote to memory of 268 1056 75be014e5cba03bc01cad324c0858808.exe bestof.exe PID 1056 wrote to memory of 268 1056 75be014e5cba03bc01cad324c0858808.exe bestof.exe PID 1056 wrote to memory of 268 1056 75be014e5cba03bc01cad324c0858808.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 268 wrote to memory of 1808 268 bestof.exe bestof.exe PID 1808 wrote to memory of 536 1808 bestof.exe cmd.exe PID 1808 wrote to memory of 536 1808 bestof.exe cmd.exe PID 1808 wrote to memory of 536 1808 bestof.exe cmd.exe PID 1808 wrote to memory of 536 1808 bestof.exe cmd.exe PID 536 wrote to memory of 760 536 cmd.exe PING.EXE PID 536 wrote to memory of 760 536 cmd.exe PING.EXE PID 536 wrote to memory of 760 536 cmd.exe PING.EXE PID 536 wrote to memory of 760 536 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\75be014e5cba03bc01cad324c0858808.exe"C:\Users\Admin\AppData\Local\Temp\75be014e5cba03bc01cad324c0858808.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1056 -
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe"C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del "C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 35⤵
- Runs ping.exe
PID:760
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
ae71797ed71a11f172c9d03701ae88c7
SHA110a0cc04fbed99c4f0f1f908979455da6868f1eb
SHA2560215f9dd19951e07aaa5ddfed10c4b46af716a8e3ce1ccb853f0992d14ee3e34
SHA5127f6fa1d06268a9b1a3541f19f1a2636be3579d6bcb8eb6f54f53bfdd380f1a7150e32a61799aefec5b52b920e8b39213d5dacf8e24654559b1022f6fd51a5d77
-
MD5
ae71797ed71a11f172c9d03701ae88c7
SHA110a0cc04fbed99c4f0f1f908979455da6868f1eb
SHA2560215f9dd19951e07aaa5ddfed10c4b46af716a8e3ce1ccb853f0992d14ee3e34
SHA5127f6fa1d06268a9b1a3541f19f1a2636be3579d6bcb8eb6f54f53bfdd380f1a7150e32a61799aefec5b52b920e8b39213d5dacf8e24654559b1022f6fd51a5d77
-
MD5
ae71797ed71a11f172c9d03701ae88c7
SHA110a0cc04fbed99c4f0f1f908979455da6868f1eb
SHA2560215f9dd19951e07aaa5ddfed10c4b46af716a8e3ce1ccb853f0992d14ee3e34
SHA5127f6fa1d06268a9b1a3541f19f1a2636be3579d6bcb8eb6f54f53bfdd380f1a7150e32a61799aefec5b52b920e8b39213d5dacf8e24654559b1022f6fd51a5d77
-
MD5
ae71797ed71a11f172c9d03701ae88c7
SHA110a0cc04fbed99c4f0f1f908979455da6868f1eb
SHA2560215f9dd19951e07aaa5ddfed10c4b46af716a8e3ce1ccb853f0992d14ee3e34
SHA5127f6fa1d06268a9b1a3541f19f1a2636be3579d6bcb8eb6f54f53bfdd380f1a7150e32a61799aefec5b52b920e8b39213d5dacf8e24654559b1022f6fd51a5d77