amadey | b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bu797679.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bu797679.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	cor2869.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	bu797679.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bu797679.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	cor2869.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	cor2869.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	cor2869.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	cor2869.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	cor2869.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bu797679.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bu797679.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 18 IoCs

resource	yara_rule
behavioral1/memory/3180-218-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-219-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-221-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-225-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-228-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-230-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-232-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-234-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-236-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-238-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-240-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-242-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-244-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-246-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-248-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-250-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-252-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline
behavioral1/memory/3180-254-0x0000000004DE0000-0x0000000004E1F000-memory.dmp	family_redline

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	ge139271.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	oneetx.exe

Executes dropped EXE 10 IoCs

pid	Process
4664	kina0669.exe
4552	kina0831.exe
2636	kina9470.exe
4212	bu797679.exe
2352	cor2869.exe
3180	dnM34s87.exe
740	en264260.exe
3128	ge139271.exe
4444	oneetx.exe
2152	oneetx.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	cor2869.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	cor2869.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	bu797679.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	kina0831.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	kina0831.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	kina9470.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	kina9470.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	kina0669.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	kina0669.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{DAB52F26-3011-40CF-8A03-2915EE88F240}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FE2852E7-4455-4A8A-B133-DBA40D8F3C01}.catalogItem	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4116	2352	WerFault.exe	88
5020	3180	WerFault.exe	92

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

pid	Process
3568	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4212	bu797679.exe
4212	bu797679.exe
2352	cor2869.exe
2352	cor2869.exe
3180	dnM34s87.exe
3180	dnM34s87.exe
740	en264260.exe
740	en264260.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4212	bu797679.exe
Token: SeDebugPrivilege	2352	cor2869.exe
Token: SeDebugPrivilege	3180	dnM34s87.exe
Token: SeDebugPrivilege	740	en264260.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3128	ge139271.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 4664	1876	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe	82
PID 1876 wrote to memory of 4664	1876	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe	82
PID 1876 wrote to memory of 4664	1876	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe	82
PID 4664 wrote to memory of 4552	4664	kina0669.exe	83
PID 4664 wrote to memory of 4552	4664	kina0669.exe	83
PID 4664 wrote to memory of 4552	4664	kina0669.exe	83
PID 4552 wrote to memory of 2636	4552	kina0831.exe	84
PID 4552 wrote to memory of 2636	4552	kina0831.exe	84
PID 4552 wrote to memory of 2636	4552	kina0831.exe	84
PID 2636 wrote to memory of 4212	2636	kina9470.exe	85
PID 2636 wrote to memory of 4212	2636	kina9470.exe	85
PID 2636 wrote to memory of 2352	2636	kina9470.exe	88
PID 2636 wrote to memory of 2352	2636	kina9470.exe	88
PID 2636 wrote to memory of 2352	2636	kina9470.exe	88
PID 4552 wrote to memory of 3180	4552	kina0831.exe	92
PID 4552 wrote to memory of 3180	4552	kina0831.exe	92
PID 4552 wrote to memory of 3180	4552	kina0831.exe	92
PID 4664 wrote to memory of 740	4664	kina0669.exe	97
PID 4664 wrote to memory of 740	4664	kina0669.exe	97
PID 4664 wrote to memory of 740	4664	kina0669.exe	97
PID 1876 wrote to memory of 3128	1876	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe	98
PID 1876 wrote to memory of 3128	1876	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe	98
PID 1876 wrote to memory of 3128	1876	b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe	98
PID 3128 wrote to memory of 4444	3128	ge139271.exe	99
PID 3128 wrote to memory of 4444	3128	ge139271.exe	99
PID 3128 wrote to memory of 4444	3128	ge139271.exe	99
PID 4444 wrote to memory of 3568	4444	oneetx.exe	100
PID 4444 wrote to memory of 3568	4444	oneetx.exe	100
PID 4444 wrote to memory of 3568	4444	oneetx.exe	100
PID 4444 wrote to memory of 1448	4444	oneetx.exe	102
PID 4444 wrote to memory of 1448	4444	oneetx.exe	102
PID 4444 wrote to memory of 1448	4444	oneetx.exe	102
PID 1448 wrote to memory of 556	1448	cmd.exe	104
PID 1448 wrote to memory of 556	1448	cmd.exe	104
PID 1448 wrote to memory of 556	1448	cmd.exe	104
PID 1448 wrote to memory of 2104	1448	cmd.exe	105
PID 1448 wrote to memory of 2104	1448	cmd.exe	105
PID 1448 wrote to memory of 2104	1448	cmd.exe	105
PID 1448 wrote to memory of 4132	1448	cmd.exe	106
PID 1448 wrote to memory of 4132	1448	cmd.exe	106
PID 1448 wrote to memory of 4132	1448	cmd.exe	106
PID 1448 wrote to memory of 2176	1448	cmd.exe	107
PID 1448 wrote to memory of 2176	1448	cmd.exe	107
PID 1448 wrote to memory of 2176	1448	cmd.exe	107
PID 1448 wrote to memory of 1516	1448	cmd.exe	108
PID 1448 wrote to memory of 1516	1448	cmd.exe	108
PID 1448 wrote to memory of 1516	1448	cmd.exe	108
PID 1448 wrote to memory of 2764	1448	cmd.exe	109
PID 1448 wrote to memory of 2764	1448	cmd.exe	109
PID 1448 wrote to memory of 2764	1448	cmd.exe	109
PID 4444 wrote to memory of 2856	4444	oneetx.exe	121
PID 4444 wrote to memory of 2856	4444	oneetx.exe	121
PID 4444 wrote to memory of 2856	4444	oneetx.exe	121

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe
"C:\Users\Admin\AppData\Local\Temp\b371fc1218db76332061cb54302b03617e15d3bf9f76c9c901537c6840d72d72.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kina0669.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kina0669.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kina0831.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kina0831.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4552
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kina9470.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kina9470.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2636
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bu797679.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\bu797679.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4212
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\cor2869.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\cor2869.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2352
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 1064
        6⤵
        Program crash
        
        PID:4116
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dnM34s87.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dnM34s87.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3180
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 1328
        5⤵
        Program crash
        
        PID:5020
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\en264260.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\en264260.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:740
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ge139271.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ge139271.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3128
- - C:\Users\Admin\AppData\Local\Temp\550693dc87\oneetx.exe
    "C:\Users\Admin\AppData\Local\Temp\550693dc87\oneetx.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4444
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN oneetx.exe /TR "C:\Users\Admin\AppData\Local\Temp\550693dc87\oneetx.exe" /F
      4⤵
      Creates scheduled task(s)
      PID:3568
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "oneetx.exe" /P "Admin:N"&&CACLS "oneetx.exe" /P "Admin:R" /E&&echo Y|CACLS "..\550693dc87" /P "Admin:N"&&CACLS "..\550693dc87" /P "Admin:R" /E&&Exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1448
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        5⤵
        
        PID:556
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "oneetx.exe" /P "Admin:N"
        5⤵
        
        PID:2104
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "oneetx.exe" /P "Admin:R" /E
        5⤵
        
        PID:4132
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        5⤵
        
        PID:2176
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\550693dc87" /P "Admin:N"
        5⤵
        
        PID:1516
    - - C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\550693dc87" /P "Admin:R" /E
        5⤵
        
        PID:2764
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
      4⤵
      Loads dropped DLL
      PID:2856

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2352 -ip 2352
1⤵
PID:4568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3180 -ip 3180
1⤵
PID:4356

C:\Users\Admin\AppData\Local\Temp\550693dc87\oneetx.exe
C:\Users\Admin\AppData\Local\Temp\550693dc87\oneetx.exe
1⤵
- Executes dropped EXE
PID:2152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

System Information Discovery