Analysis
- max time kernel
150s - max time network
125s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
29/09/2021, 15:01
Static task
static1
Behavioral task
behavioral1
Sample
5021c0258bf60f4ffe914b6955310b6c.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
5021c0258bf60f4ffe914b6955310b6c.exe
Resource
win10v20210408
General
- Target 5021c0258bf60f4ffe914b6955310b6c.exe
- Size 128KB
- Sample210929-sdwa2afcfn
- SHA256 d14036b4ab78b2c6121138471582c33a4bf0dbd2076f4c9e640d34a994fce2d3
- MD5 5021c0258bf60f4ffe914b6955310b6c
- SHA1 dad0442eacc757ecba05d60b9c76f7e63c2d392c
- SHA512 51afba8d83a3c7d370b1e77064e7ed8d761fb0a6a2d89c3ae29561d0ae56f8a7ad01dd245a06ba1753ce21e6c75228f92ebcfd763368d7c8b131e5a01938da21
- MD5 SHA1 SHA512
Malware Config
Extracted
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smokeloader
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2020
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http://fiskahlilian16.top/
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http://paishancho17.top/
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http://ydiannetter18.top/
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http://azarehanelle19.top/
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http://quericeriant20.top/
Extracted
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redline
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5k superstar
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narlelalik.xyz:12509
Extracted
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redline
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@Dcm4Gentoo
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5.61.61.168:14462
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Google\\Google Chrome.exe\"," 24B1.exe - RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 4 IoCs
resource yara_rule behavioral1/memory/1468-82-0x00000000003E0000-0x00000000003FF000-memory.dmp family_redline behavioral1/memory/1468-86-0x0000000001F20000-0x0000000001F3E000-memory.dmp family_redline behavioral1/memory/1964-138-0x00000000000F0000-0x0000000000112000-memory.dmp family_redline behavioral1/memory/1964-143-0x00000000000F0000-0x0000000000112000-memory.dmp family_redline - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 19 IoCs
pid Process 1468 1228.exe 860 1B5D.exe 628 Mio.exe.com 980 Mio.exe.com 644 24B1.exe 1304 MSBuild.exe 1300 MSBuild.exe 1600 MSBuild.exe 1464 MSBuild.exe 1216 MSBuild.exe 1528 MSBuild.exe 1052 MSBuild.exe 1760 MSBuild.exe 1608 MSBuild.exe 1144 MSBuild.exe 1964 RegAsm.exe 1904 file.exe 836 Prime.exe.com 644 Prime.exe.com - Deletes itself 1 IoCs
pid Process 1392 Process not Found - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oVFtXHlOeQ.url Mio.exe.com File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bLESiALcEm.url Prime.exe.com - Loads dropped DLL 19 IoCs
pid Process 860 1B5D.exe 768 cmd.exe 1392 Process not Found 792 Process not Found 644 24B1.exe 644 24B1.exe 644 24B1.exe 644 24B1.exe 644 24B1.exe 644 24B1.exe 644 24B1.exe 644 24B1.exe 644 24B1.exe 644 24B1.exe 980 Mio.exe.com 1964 RegAsm.exe 1964 RegAsm.exe 1904 file.exe 556 cmd.exe - 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
- 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 3 IoCs
description pid Process procid_target PID 1144 set thread context of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 980 set thread context of 1964 980 Mio.exe.com 57 PID 644 set thread context of 1572 644 Prime.exe.com 67 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- NSIS installer 10 IoCs
resource yara_rule behavioral1/files/0x0007000000012242-61.dat nsis_installer_1 behavioral1/files/0x0007000000012242-61.dat nsis_installer_2 behavioral1/files/0x0007000000012242-63.dat nsis_installer_1 behavioral1/files/0x0007000000012242-63.dat nsis_installer_2 behavioral1/files/0x003500000000f5b4-146.dat nsis_installer_1 behavioral1/files/0x003500000000f5b4-146.dat nsis_installer_2 behavioral1/files/0x003500000000f5b4-148.dat nsis_installer_1 behavioral1/files/0x003500000000f5b4-148.dat nsis_installer_2 behavioral1/files/0x003500000000f5b4-150.dat nsis_installer_1 behavioral1/files/0x003500000000f5b4-150.dat nsis_installer_2 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5021c0258bf60f4ffe914b6955310b6c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5021c0258bf60f4ffe914b6955310b6c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5021c0258bf60f4ffe914b6955310b6c.exe - Runs ping.exe 1 TTPs 2 IoCs
pid Process 1600 PING.EXE 1364 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1992 5021c0258bf60f4ffe914b6955310b6c.exe 1992 5021c0258bf60f4ffe914b6955310b6c.exe 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1392 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1992 5021c0258bf60f4ffe914b6955310b6c.exe - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 1392 Process not Found Token: SeShutdownPrivilege 1392 Process not Found Token: SeShutdownPrivilege 1392 Process not Found Token: SeDebugPrivilege 644 24B1.exe Token: SeShutdownPrivilege 1392 Process not Found Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 1596 powershell.exe Token: SeDebugPrivilege 1468 1228.exe Token: SeShutdownPrivilege 1392 Process not Found Token: SeDebugPrivilege 1964 RegAsm.exe - Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found - Suspicious use of SendNotifyMessage 12 IoCs
pid Process 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found 1392 Process not Found - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1144 wrote to memory of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 1144 wrote to memory of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 1144 wrote to memory of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 1144 wrote to memory of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 1144 wrote to memory of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 1144 wrote to memory of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 1144 wrote to memory of 1992 1144 5021c0258bf60f4ffe914b6955310b6c.exe 27 PID 1392 wrote to memory of 1468 1392 Process not Found 28 PID 1392 wrote to memory of 1468 1392 Process not Found 28 PID 1392 wrote to memory of 1468 1392 Process not Found 28 PID 1392 wrote to memory of 1468 1392 Process not Found 28 PID 1392 wrote to memory of 860 1392 Process not Found 30 PID 1392 wrote to memory of 860 1392 Process not Found 30 PID 1392 wrote to memory of 860 1392 Process not Found 30 PID 1392 wrote to memory of 860 1392 Process not Found 30 PID 860 wrote to memory of 2016 860 1B5D.exe 31 PID 860 wrote to memory of 2016 860 1B5D.exe 31 PID 860 wrote to memory of 2016 860 1B5D.exe 31 PID 860 wrote to memory of 2016 860 1B5D.exe 31 PID 2016 wrote to memory of 768 2016 cmd.exe 33 PID 2016 wrote to memory of 768 2016 cmd.exe 33 PID 2016 wrote to memory of 768 2016 cmd.exe 33 PID 2016 wrote to memory of 768 2016 cmd.exe 33 PID 768 wrote to memory of 564 768 cmd.exe 34 PID 768 wrote to memory of 564 768 cmd.exe 34 PID 768 wrote to memory of 564 768 cmd.exe 34 PID 768 wrote to memory of 564 768 cmd.exe 34 PID 768 wrote to memory of 628 768 cmd.exe 35 PID 768 wrote to memory of 628 768 cmd.exe 35 PID 768 wrote to memory of 628 768 cmd.exe 35 PID 768 wrote to memory of 628 768 cmd.exe 35 PID 768 wrote to memory of 1364 768 cmd.exe 36 PID 768 wrote to memory of 1364 768 cmd.exe 36 PID 768 wrote to memory of 1364 768 cmd.exe 36 PID 768 wrote to memory of 1364 768 cmd.exe 36 PID 628 wrote to memory of 980 628 Mio.exe.com 37 PID 628 wrote to memory of 980 628 Mio.exe.com 37 PID 628 wrote to memory of 980 628 Mio.exe.com 37 PID 628 wrote to memory of 980 628 Mio.exe.com 37 PID 1392 wrote to memory of 644 1392 Process not Found 38 PID 1392 wrote to memory of 644 1392 Process not Found 38 PID 1392 wrote to memory of 644 1392 Process not Found 38 PID 644 wrote to memory of 2024 644 24B1.exe 40 PID 644 wrote to memory of 2024 644 24B1.exe 40 PID 644 wrote to memory of 2024 644 24B1.exe 40 PID 644 wrote to memory of 1596 644 24B1.exe 42 PID 644 wrote to memory of 1596 644 24B1.exe 42 PID 644 wrote to memory of 1596 644 24B1.exe 42 PID 644 wrote to memory of 1304 644 24B1.exe 47 PID 644 wrote to memory of 1304 644 24B1.exe 47 PID 644 wrote to memory of 1304 644 24B1.exe 47 PID 644 wrote to memory of 1528 644 24B1.exe 48 PID 644 wrote to memory of 1528 644 24B1.exe 48 PID 644 wrote to memory of 1528 644 24B1.exe 48 PID 644 wrote to memory of 1300 644 24B1.exe 49 PID 644 wrote to memory of 1300 644 24B1.exe 49 PID 644 wrote to memory of 1300 644 24B1.exe 49 PID 644 wrote to memory of 1052 644 24B1.exe 50 PID 644 wrote to memory of 1052 644 24B1.exe 50 PID 644 wrote to memory of 1052 644 24B1.exe 50 PID 644 wrote to memory of 1600 644 24B1.exe 51 PID 644 wrote to memory of 1600 644 24B1.exe 51 PID 644 wrote to memory of 1600 644 24B1.exe 51 PID 644 wrote to memory of 1760 644 24B1.exe 52
Processes
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C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe"C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe"C:\Users\Admin\AppData\Local\Temp\5021c0258bf60f4ffe914b6955310b6c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1992
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C:\Users\Admin\AppData\Local\Temp\1228.exeC:\Users\Admin\AppData\Local\Temp\1228.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1468
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C:\Users\Admin\AppData\Local\Temp\1B5D.exeC:\Users\Admin\AppData\Local\Temp\1B5D.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c cmd < Disegnato.accdt2⤵
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\cmd.execmd3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\SysWOW64\findstr.exefindstr /V /R "^jdBXEbiICLfWHIEKiKDpCGJMhheipdUFFbTuIYbnunkESZAKxLCvDshGHOJdxqnjRKspPbwohtetxtThNsMbNbwgpjnTfutuZYMoIdVXJxpmgpkCUcCehqnzJrZDZoTuqWycaLEb$" Sottrarre.accdt4⤵PID:564
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C:\Users\Admin\AppData\Roaming\Mio.exe.comMio.exe.com W4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Users\Admin\AppData\Roaming\Mio.exe.comC:\Users\Admin\AppData\Roaming\Mio.exe.com W5⤵
- Executes dropped EXE
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
PID:980 -
C:\Users\Admin\AppData\Roaming\RegAsm.exeC:\Users\Admin\AppData\Roaming\RegAsm.exe6⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1964 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"7⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1904 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c cmd < Fai.docm8⤵PID:1004
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C:\Windows\SysWOW64\cmd.execmd9⤵
- Loads dropped DLL
PID:556 -
C:\Windows\SysWOW64\findstr.exefindstr /V /R "^GOSDsHyjVXPbHfUPrvXbfGmmRjqhEkBpmOaXJUKhlpsdBcqWKjtUUPkqgaMyGSIJcGXTWWupMKjygoYcktDaiHgKCaJdiEHaBIUVbiZOuUolCyMyxsU$" Per.docm10⤵PID:1492
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C:\Users\Admin\AppData\Roaming\Prime.exe.comPrime.exe.com P10⤵
- Executes dropped EXE
PID:836 -
C:\Users\Admin\AppData\Roaming\Prime.exe.comC:\Users\Admin\AppData\Roaming\Prime.exe.com P11⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of SetThreadContext
PID:644 -
C:\Users\Admin\AppData\Roaming\Prime.exe.comC:\Users\Admin\AppData\Roaming\Prime.exe.com12⤵PID:1572
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C:\Windows\SysWOW64\PING.EXEping localhost10⤵
- Runs ping.exe
PID:1600
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C:\Windows\SysWOW64\PING.EXEping localhost4⤵
- Runs ping.exe
PID:1364
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C:\Users\Admin\AppData\Local\Temp\24B1.exeC:\Users\Admin\AppData\Local\Temp\24B1.exe1⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-NetConnection -TraceRoute twitch.com2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2024
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 52⤵
- Suspicious use of AdjustPrivilegeToken
PID:1596
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1304
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1528
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1300
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1052
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1600
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1760
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1464
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1608
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1216
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exeC:\Users\Admin\AppData\Local\Temp\MSBuild.exe2⤵
- Executes dropped EXE
PID:1144
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