Analysis
- max time kernel
150s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
27/10/2022, 16:06
General
- Target fe80b9eef4534cd4b15b1a25cee439dd.exe
- Size 269KB
- Sample221027-tj2wfacfg6
- SHA256 3f0094cc7094b235e8f6decd028112e88475ebe22eef916dcdd5a033f7efb6c8
Malware Config
Extracted
-
redline
-
1
-
45.15.156.86:37262
-
auth_value
763971fede4a949ad0f10cedebea0963
Signatures
- Detects Smokeloader packer 1 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 2 IoCs
- 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: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 19 IoCs
- Suspicious use of AdjustPrivilegeToken 10 IoCs
- Suspicious use of WriteProcessMemory 51 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fe80b9eef4534cd4b15b1a25cee439dd.exe"C:\Users\Admin\AppData\Local\Temp\fe80b9eef4534cd4b15b1a25cee439dd.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\5B30.exeC:\Users\Admin\AppData\Local\Temp\5B30.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 2242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4012 -ip 40121⤵
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C:\Users\Admin\AppData\Local\Temp\5F57.exeC:\Users\Admin\AppData\Local\Temp\5F57.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 2242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5112 -ip 51121⤵
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C:\Users\Admin\AppData\Local\Temp\8109.exeC:\Users\Admin\AppData\Local\Temp\8109.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell "" "Get-WmiObject Win32_PortConnector"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\855F.exeC:\Users\Admin\AppData\Local\Temp\855F.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
5B30.exe
5B30.exe
5F57.exe
5F57.exe
8109.exe
855F.exe
855F.exe
memory/1080-190-0x0000000007A50000-0x0000000007C12000-memory.dmp
memory/1080-162-0x00000000056A0000-0x00000000057AA000-memory.dmp
memory/1080-184-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/1080-164-0x0000000005650000-0x000000000568C000-memory.dmp
memory/1080-163-0x00000000055D0000-0x00000000055E2000-memory.dmp
memory/1080-161-0x0000000005B30000-0x0000000006148000-memory.dmp
memory/1080-187-0x0000000006700000-0x0000000006CA4000-memory.dmp
memory/1080-189-0x00000000061C0000-0x0000000006226000-memory.dmp
memory/1080-197-0x0000000006EE0000-0x0000000006F30000-memory.dmp
memory/1080-196-0x0000000006E60000-0x0000000006ED6000-memory.dmp
memory/1080-150-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1080-191-0x0000000008150000-0x000000000867C000-memory.dmp
memory/1256-155-0x0000000000C00000-0x0000000000CB8000-memory.dmp
memory/1400-194-0x00000000005D0000-0x00000000005D5000-memory.dmp
memory/1400-168-0x00000000005D0000-0x00000000005D5000-memory.dmp
memory/1400-166-0x00000000005C0000-0x00000000005C9000-memory.dmp
memory/1432-178-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/1432-201-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/1432-179-0x00000000005C0000-0x00000000005CB000-memory.dmp
memory/1516-173-0x00000000005D0000-0x00000000005F7000-memory.dmp
memory/1516-198-0x0000000000800000-0x0000000000822000-memory.dmp
memory/1516-172-0x0000000000800000-0x0000000000822000-memory.dmp
memory/1712-176-0x0000000000EA0000-0x0000000000EA9000-memory.dmp
memory/1712-175-0x0000000000EB0000-0x0000000000EB5000-memory.dmp
memory/1712-199-0x0000000000EB0000-0x0000000000EB5000-memory.dmp
memory/2444-203-0x00000000009E0000-0x00000000009E7000-memory.dmp
memory/2444-181-0x00000000009E0000-0x00000000009E7000-memory.dmp
memory/2444-182-0x00000000009D0000-0x00000000009DD000-memory.dmp
memory/3980-170-0x0000000000180000-0x000000000018C000-memory.dmp
memory/3980-169-0x0000000000190000-0x0000000000196000-memory.dmp
memory/3980-195-0x0000000000190000-0x0000000000196000-memory.dmp
memory/4108-192-0x00000000005D0000-0x00000000005D7000-memory.dmp
memory/4108-158-0x00000000005C0000-0x00000000005CB000-memory.dmp
memory/4108-157-0x00000000005D0000-0x00000000005D7000-memory.dmp
memory/4352-160-0x0000000000890000-0x000000000089F000-memory.dmp
memory/4352-159-0x00000000008A0000-0x00000000008A9000-memory.dmp
memory/4352-193-0x00000000008A0000-0x00000000008A9000-memory.dmp
memory/4624-202-0x00007FFA52E80000-0x00007FFA53941000-memory.dmp
memory/4624-207-0x00007FFA52E80000-0x00007FFA53941000-memory.dmp
memory/4624-206-0x000001E8E1090000-0x000001E8E10B2000-memory.dmp
memory/4624-205-0x00007FFA52E80000-0x00007FFA53941000-memory.dmp
memory/4796-132-0x0000000002F42000-0x0000000002F57000-memory.dmp
memory/4796-133-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4796-134-0x0000000000400000-0x0000000002C31000-memory.dmp
memory/4796-135-0x0000000000400000-0x0000000002C31000-memory.dmp
memory/4952-185-0x00007FF6C87C0000-0x00007FF6C9023000-memory.dmp
memory/4952-144-0x00007FF6C87C0000-0x00007FF6C9023000-memory.dmp
memory/4952-208-0x00007FF6C87C0000-0x00007FF6C9023000-memory.dmp
memory/5096-204-0x00000000005D0000-0x00000000005D8000-memory.dmp
memory/5096-186-0x00000000005D0000-0x00000000005D8000-memory.dmp
memory/5096-188-0x00000000005C0000-0x00000000005CB000-memory.dmp