Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
28-12-2020 07:50
Static task
static1
Behavioral task
behavioral1
Sample
7e627a2036d185712606530fe642cae3.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
7e627a2036d185712606530fe642cae3.exe
Resource
win10v20201028
General
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Target
7e627a2036d185712606530fe642cae3.exe
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Size
594KB
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MD5
7e627a2036d185712606530fe642cae3
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SHA1
c209888e5964ecce9d0f72acd68d33cb27d78f5f
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SHA256
0d7238358839c038b9a3363cb2d82c029178c7133c85531e91e1b5edeef265c6
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SHA512
fbb83d7fdaac6340697149815d228ad2c31e5b1b4b302c433062a5cd93281db5f45b1db36025be5b2f94f5d6ecdebfb0101a81f0487fd3609848abb4df75ff82
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 behavioral2/memory/2636-11-0x0000000006C60000-0x0000000006C84000-memory.dmp family_redline behavioral2/memory/2636-13-0x0000000006F00000-0x0000000006F22000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
bestof.exepid process 2636 bestof.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe upx C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe upx -
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 17 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:
7e627a2036d185712606530fe642cae3.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 7e627a2036d185712606530fe642cae3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 7e627a2036d185712606530fe642cae3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bestof.exedescription pid process Token: SeDebugPrivilege 2636 bestof.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
7e627a2036d185712606530fe642cae3.exedescription pid process target process PID 652 wrote to memory of 2636 652 7e627a2036d185712606530fe642cae3.exe bestof.exe PID 652 wrote to memory of 2636 652 7e627a2036d185712606530fe642cae3.exe bestof.exe PID 652 wrote to memory of 2636 652 7e627a2036d185712606530fe642cae3.exe bestof.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7e627a2036d185712606530fe642cae3.exe"C:\Users\Admin\AppData\Local\Temp\7e627a2036d185712606530fe642cae3.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Users\Admin\AppData\Roaming\leadentop\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2636
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
ce62304c3eff639e1b2352667a569b8a
SHA15a5cb774b59befe102fe04e93d9853cfbda3334b
SHA256e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62
SHA51299d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41
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MD5
ce62304c3eff639e1b2352667a569b8a
SHA15a5cb774b59befe102fe04e93d9853cfbda3334b
SHA256e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62
SHA51299d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41