Analysis
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max time kernel
33s -
max time network
33s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-11-2020 06:32
Static task
static1
Behavioral task
behavioral1
Sample
e7115ecd83d3ff2ecc8acc6e54b22d88.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
e7115ecd83d3ff2ecc8acc6e54b22d88.exe
Resource
win10v20201028
General
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Target
e7115ecd83d3ff2ecc8acc6e54b22d88.exe
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Size
559KB
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MD5
e7115ecd83d3ff2ecc8acc6e54b22d88
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SHA1
c0b3272d41db9478bf5bb4d3bb2ab3065d03b259
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SHA256
111ea9ab83c239454654597caefb2232929b96d9d24dd88aef5489e42bb48ce3
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SHA512
7ff4a298c8329c7229948e97d725de444e0778bcc9d816431f77e181891dbb67f5a5ecd573291eb725a6a4fc99fa7ac75a98ec8e36f91459ccecf5b5ae717de1
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/1996-12-0x0000000002630000-0x0000000002654000-memory.dmp family_redline behavioral1/memory/1996-13-0x0000000003DD0000-0x0000000003DF2000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
bestof.exepid process 1996 bestof.exe -
Loads dropped DLL 1 IoCs
Processes:
e7115ecd83d3ff2ecc8acc6e54b22d88.exepid process 2036 e7115ecd83d3ff2ecc8acc6e54b22d88.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:
e7115ecd83d3ff2ecc8acc6e54b22d88.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 e7115ecd83d3ff2ecc8acc6e54b22d88.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString e7115ecd83d3ff2ecc8acc6e54b22d88.exe -
Processes:
e7115ecd83d3ff2ecc8acc6e54b22d88.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 e7115ecd83d3ff2ecc8acc6e54b22d88.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 e7115ecd83d3ff2ecc8acc6e54b22d88.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bestof.exepid process 1996 bestof.exe 1996 bestof.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bestof.exedescription pid process Token: SeDebugPrivilege 1996 bestof.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
e7115ecd83d3ff2ecc8acc6e54b22d88.exebestof.execmd.exedescription pid process target process PID 2036 wrote to memory of 1996 2036 e7115ecd83d3ff2ecc8acc6e54b22d88.exe bestof.exe PID 2036 wrote to memory of 1996 2036 e7115ecd83d3ff2ecc8acc6e54b22d88.exe bestof.exe PID 2036 wrote to memory of 1996 2036 e7115ecd83d3ff2ecc8acc6e54b22d88.exe bestof.exe PID 2036 wrote to memory of 1996 2036 e7115ecd83d3ff2ecc8acc6e54b22d88.exe bestof.exe PID 1996 wrote to memory of 1604 1996 bestof.exe cmd.exe PID 1996 wrote to memory of 1604 1996 bestof.exe cmd.exe PID 1996 wrote to memory of 1604 1996 bestof.exe cmd.exe PID 1996 wrote to memory of 1604 1996 bestof.exe cmd.exe PID 1604 wrote to memory of 1316 1604 cmd.exe PING.EXE PID 1604 wrote to memory of 1316 1604 cmd.exe PING.EXE PID 1604 wrote to memory of 1316 1604 cmd.exe PING.EXE PID 1604 wrote to memory of 1316 1604 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\e7115ecd83d3ff2ecc8acc6e54b22d88.exe"C:\Users\Admin\AppData\Local\Temp\e7115ecd83d3ff2ecc8acc6e54b22d88.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""3⤵
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 34⤵
- Runs ping.exe
PID:1316
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
651026d3f1f58ca2718cac5272a53192
SHA1f975cb02d4f348ae6cd3fd112b746445bd653e87
SHA256fdc884b306b56d605844a30990a565fed93cbbf6d15c04c524ee606fbb1d8931
SHA5129fe5bf0e4df06c0c67db69d6002366ee9897bdeb9c89940657f64852e9c287f1a2fc7ec2fac4377e77f97781045a4cc080318d2ec9e628da6ed9829a0ef929c3
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MD5
651026d3f1f58ca2718cac5272a53192
SHA1f975cb02d4f348ae6cd3fd112b746445bd653e87
SHA256fdc884b306b56d605844a30990a565fed93cbbf6d15c04c524ee606fbb1d8931
SHA5129fe5bf0e4df06c0c67db69d6002366ee9897bdeb9c89940657f64852e9c287f1a2fc7ec2fac4377e77f97781045a4cc080318d2ec9e628da6ed9829a0ef929c3