amadey | b7f167367659efee524769426634e57874674420a5a9b5ed63e5c6e1333c536f

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

g0929668.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	g0929668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	g0929668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	g0929668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	g0929668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	g0929668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	g0929668.exe

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

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

h8218260.exesaves.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2415528079-3794552930-4264847036-1000\Control Panel\International\Geo\Nation	h8218260.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2415528079-3794552930-4264847036-1000\Control Panel\International\Geo\Nation	saves.exe

Executes dropped EXE 9 IoCs

Processes:

x9372105.exex8352825.exex9193369.exeg0929668.exeh8218260.exesaves.exei9800071.exesaves.exesaves.exe

pid process

3360 x9372105.exe
4944 x8352825.exe
3568 x9193369.exe
3128 g0929668.exe
408 h8218260.exe
4456 saves.exe
1112 i9800071.exe
1896 saves.exe
3116 saves.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3600 rundll32.exe

pid	process
3360	x9372105.exe
4944	x8352825.exe
3568	x9193369.exe
3128	g0929668.exe
408	h8218260.exe
4456	saves.exe
1112	i9800071.exe
1896	saves.exe
3116	saves.exe

pid	process
3600	rundll32.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

g0929668.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	g0929668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	g0929668.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.exex9372105.exex8352825.exex9193369.exe

description	ioc	process
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\\\""	651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.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\\\""	x9372105.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\\\""	x8352825.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\\\""	x9193369.exe

Drops file in System32 directory 1 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6DB290AD-A786-41E9-8706-BCF47E8EAD93}.catalogItem	svchost.exe

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

System Information Discovery
T1082

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

Processes:

svchost.exe

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/Job
T1053

Processes:

schtasks.exe

pid process

3928 schtasks.exe

pid	process
3928	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

svchost.exe

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 2 IoCs

Processes:

g0929668.exe

pid process

3128 g0929668.exe
3128 g0929668.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

g0929668.exe

description pid process

Token: SeDebugPrivilege 3128 g0929668.exe

pid	process
3128	g0929668.exe
3128	g0929668.exe

description	pid	process
Token: SeDebugPrivilege	3128	g0929668.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.exex9372105.exex8352825.exex9193369.exeh8218260.exesaves.execmd.exe

description	pid	process	target process
PID 1424 wrote to memory of 3360	1424	651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.exe	x9372105.exe
PID 1424 wrote to memory of 3360	1424	651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.exe	x9372105.exe
PID 1424 wrote to memory of 3360	1424	651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.exe	x9372105.exe
PID 3360 wrote to memory of 4944	3360	x9372105.exe	x8352825.exe
PID 3360 wrote to memory of 4944	3360	x9372105.exe	x8352825.exe
PID 3360 wrote to memory of 4944	3360	x9372105.exe	x8352825.exe
PID 4944 wrote to memory of 3568	4944	x8352825.exe	x9193369.exe
PID 4944 wrote to memory of 3568	4944	x8352825.exe	x9193369.exe
PID 4944 wrote to memory of 3568	4944	x8352825.exe	x9193369.exe
PID 3568 wrote to memory of 3128	3568	x9193369.exe	g0929668.exe
PID 3568 wrote to memory of 3128	3568	x9193369.exe	g0929668.exe
PID 3568 wrote to memory of 3128	3568	x9193369.exe	g0929668.exe
PID 3568 wrote to memory of 408	3568	x9193369.exe	h8218260.exe
PID 3568 wrote to memory of 408	3568	x9193369.exe	h8218260.exe
PID 3568 wrote to memory of 408	3568	x9193369.exe	h8218260.exe
PID 408 wrote to memory of 4456	408	h8218260.exe	saves.exe
PID 408 wrote to memory of 4456	408	h8218260.exe	saves.exe
PID 408 wrote to memory of 4456	408	h8218260.exe	saves.exe
PID 4944 wrote to memory of 1112	4944	x8352825.exe	i9800071.exe
PID 4944 wrote to memory of 1112	4944	x8352825.exe	i9800071.exe
PID 4944 wrote to memory of 1112	4944	x8352825.exe	i9800071.exe
PID 4456 wrote to memory of 3928	4456	saves.exe	schtasks.exe
PID 4456 wrote to memory of 3928	4456	saves.exe	schtasks.exe
PID 4456 wrote to memory of 3928	4456	saves.exe	schtasks.exe
PID 4456 wrote to memory of 4868	4456	saves.exe	cmd.exe
PID 4456 wrote to memory of 4868	4456	saves.exe	cmd.exe
PID 4456 wrote to memory of 4868	4456	saves.exe	cmd.exe
PID 4868 wrote to memory of 1012	4868	cmd.exe	cmd.exe
PID 4868 wrote to memory of 1012	4868	cmd.exe	cmd.exe
PID 4868 wrote to memory of 1012	4868	cmd.exe	cmd.exe
PID 4868 wrote to memory of 1032	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 1032	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 1032	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 1432	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 1432	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 1432	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 4932	4868	cmd.exe	cmd.exe
PID 4868 wrote to memory of 4932	4868	cmd.exe	cmd.exe
PID 4868 wrote to memory of 4932	4868	cmd.exe	cmd.exe
PID 4868 wrote to memory of 4528	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 4528	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 4528	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 4092	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 4092	4868	cmd.exe	cacls.exe
PID 4868 wrote to memory of 4092	4868	cmd.exe	cacls.exe
PID 4456 wrote to memory of 3600	4456	saves.exe	rundll32.exe
PID 4456 wrote to memory of 3600	4456	saves.exe	rundll32.exe
PID 4456 wrote to memory of 3600	4456	saves.exe	rundll32.exe

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\651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.exe
"C:\Users\Admin\AppData\Local\Temp\651211f0b4071964a276be6cec49873e8d3b8b11b4210c42c35cb5352fce7bd5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1424

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9372105.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9372105.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3360

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8352825.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8352825.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4944

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x9193369.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x9193369.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3568

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g0929668.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g0929668.exe
5⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3128

C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h8218260.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\h8218260.exe
5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:408

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
"C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
6⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4456

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
7⤵
- Creates scheduled task(s)
PID:3928

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
7⤵
- Suspicious use of WriteProcessMemory
PID:4868

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo Y"
8⤵
PID:1012

C:\Windows\SysWOW64\cacls.exe
CACLS "saves.exe" /P "Admin:N"
8⤵
PID:1032

C:\Windows\SysWOW64\cacls.exe
CACLS "saves.exe" /P "Admin:R" /E
8⤵
PID:1432

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo Y"
8⤵
PID:4932

C:\Windows\SysWOW64\cacls.exe
CACLS "..\b40d11255d" /P "Admin:N"
8⤵
PID:4528

C:\Windows\SysWOW64\cacls.exe
CACLS "..\b40d11255d" /P "Admin:R" /E
8⤵
PID:4092

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
7⤵
- Loads dropped DLL
PID:3600

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i9800071.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i9800071.exe
4⤵
- Executes dropped EXE
PID:1112

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:4856

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:1896

C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
1⤵
- Executes dropped EXE
PID:3116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery