Analysis
- max time kernel
151s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
19/10/2022, 15:26
General
- Target b59781bf0e843b1d930e24be7b09c4b4.exe
- Size 1.2MB
- Sample221019-st63gaeaaj
- SHA256 96574697cdb53f062b239c4252a3c9aa85376ed566389eb48d7aae0418df4318
Malware Config
Extracted
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redline
-
Testing
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46.3.199.124:27968
-
auth_value
2e03f2e71c0fde73929d6d088968e2de
Signatures
- Detects Smokeloader packer 3 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 4 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 26 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b59781bf0e843b1d930e24be7b09c4b4.exe"C:\Users\Admin\AppData\Local\Temp\b59781bf0e843b1d930e24be7b09c4b4.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CARNAT~2.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CARNAT~2.EXE2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA2AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Gvnufnpwhsacqcarnature_s.exe"C:\Users\Admin\AppData\Local\Temp\Gvnufnpwhsacqcarnature_s.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA2AA==4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Gvnufnpwhsacqcarnature_s.exeC:\Users\Admin\AppData\Local\Temp\Gvnufnpwhsacqcarnature_s.exe4⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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-
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CARNAT~2.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CARNAT~2.EXE3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
CARNAT~2.EXE.log
powershell.exe.log
ModuleAnalysisCache
StartupProfileData-NonInteractive
Gvnufnpwhsacqcarnature_s.exe
Gvnufnpwhsacqcarnature_s.exe
Gvnufnpwhsacqcarnature_s.exe
CARNAT~2.EXE
CARNAT~2.EXE
CARNAT~2.EXE
memory/2328-135-0x0000000000740000-0x0000000000748000-memory.dmp
memory/2328-136-0x0000000005C90000-0x0000000005CB2000-memory.dmp
memory/3480-142-0x00000000065E0000-0x00000000065FE000-memory.dmp
memory/3480-140-0x0000000005790000-0x00000000057F6000-memory.dmp
memory/3480-144-0x0000000006AD0000-0x0000000006AEA000-memory.dmp
memory/3480-138-0x0000000002FF0000-0x0000000003026000-memory.dmp
memory/3480-139-0x0000000005880000-0x0000000005EA8000-memory.dmp
memory/3480-143-0x0000000007C40000-0x00000000082BA000-memory.dmp
memory/3480-141-0x0000000005F20000-0x0000000005F86000-memory.dmp
memory/4108-161-0x0000000005A90000-0x0000000005B22000-memory.dmp
memory/4108-164-0x0000000007690000-0x0000000007BBC000-memory.dmp
memory/4108-154-0x00000000057C0000-0x00000000058CA000-memory.dmp
memory/4108-156-0x00000000058D0000-0x000000000590C000-memory.dmp
memory/4108-166-0x0000000006EC0000-0x0000000006F10000-memory.dmp
memory/4108-150-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4108-153-0x0000000005C40000-0x0000000006258000-memory.dmp
memory/4108-155-0x00000000056F0000-0x0000000005702000-memory.dmp
memory/4108-162-0x0000000006810000-0x0000000006DB4000-memory.dmp
memory/4108-163-0x0000000006F90000-0x0000000007152000-memory.dmp
memory/4108-165-0x0000000006E40000-0x0000000006EB6000-memory.dmp
memory/4608-148-0x0000000000A90000-0x0000000000A98000-memory.dmp
memory/5032-168-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5032-170-0x0000000000400000-0x0000000000409000-memory.dmp
memory/5032-171-0x0000000000400000-0x0000000000409000-memory.dmp