amadey | bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a7676435.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a7676435.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a7676435.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a7676435.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a7676435.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a7676435.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file

Checks computer location settings 2 TTPs 3 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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	b8890397.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	danke.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	DEE2.exe

Executes dropped EXE 10 IoCs

pid	Process
732	v3368479.exe
1204	v2368502.exe
3268	a7676435.exe
2580	b8890397.exe
840	danke.exe
4340	c7838037.exe
460	d1332389.exe
4576	danke.exe
5008	danke.exe
2308	DEE2.exe

Loads dropped DLL 2 IoCs

pid	Process
2944	rundll32.exe
2128	msiexec.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	a7676435.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v3368479.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\\\""	v3368479.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v2368502.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\\\""	v2368502.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.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\\\""	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{7946B024-9335-4737-A4FF-ECC902E7F0A9}.catalogItem	svchost.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c7838037.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c7838037.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c7838037.exe

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/Job

pid	Process
1288	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 64 IoCs

pid	Process
3268	a7676435.exe
3268	a7676435.exe
4340	c7838037.exe
4340	c7838037.exe
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found
3168	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3168	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4340	c7838037.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	3268	a7676435.exe
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found
Token: SeShutdownPrivilege	3168	Process not Found
Token: SeCreatePagefilePrivilege	3168	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2580	b8890397.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 732	1120	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe	81
PID 1120 wrote to memory of 732	1120	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe	81
PID 1120 wrote to memory of 732	1120	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe	81
PID 732 wrote to memory of 1204	732	v3368479.exe	82
PID 732 wrote to memory of 1204	732	v3368479.exe	82
PID 732 wrote to memory of 1204	732	v3368479.exe	82
PID 1204 wrote to memory of 3268	1204	v2368502.exe	83
PID 1204 wrote to memory of 3268	1204	v2368502.exe	83
PID 1204 wrote to memory of 2580	1204	v2368502.exe	93
PID 1204 wrote to memory of 2580	1204	v2368502.exe	93
PID 1204 wrote to memory of 2580	1204	v2368502.exe	93
PID 2580 wrote to memory of 840	2580	b8890397.exe	96
PID 2580 wrote to memory of 840	2580	b8890397.exe	96
PID 2580 wrote to memory of 840	2580	b8890397.exe	96
PID 732 wrote to memory of 4340	732	v3368479.exe	97
PID 732 wrote to memory of 4340	732	v3368479.exe	97
PID 732 wrote to memory of 4340	732	v3368479.exe	97
PID 840 wrote to memory of 1288	840	danke.exe	98
PID 840 wrote to memory of 1288	840	danke.exe	98
PID 840 wrote to memory of 1288	840	danke.exe	98
PID 840 wrote to memory of 2824	840	danke.exe	100
PID 840 wrote to memory of 2824	840	danke.exe	100
PID 840 wrote to memory of 2824	840	danke.exe	100
PID 2824 wrote to memory of 1892	2824	cmd.exe	102
PID 2824 wrote to memory of 1892	2824	cmd.exe	102
PID 2824 wrote to memory of 1892	2824	cmd.exe	102
PID 2824 wrote to memory of 3476	2824	cmd.exe	103
PID 2824 wrote to memory of 3476	2824	cmd.exe	103
PID 2824 wrote to memory of 3476	2824	cmd.exe	103
PID 2824 wrote to memory of 4308	2824	cmd.exe	104
PID 2824 wrote to memory of 4308	2824	cmd.exe	104
PID 2824 wrote to memory of 4308	2824	cmd.exe	104
PID 2824 wrote to memory of 1976	2824	cmd.exe	105
PID 2824 wrote to memory of 1976	2824	cmd.exe	105
PID 2824 wrote to memory of 1976	2824	cmd.exe	105
PID 2824 wrote to memory of 3796	2824	cmd.exe	106
PID 2824 wrote to memory of 3796	2824	cmd.exe	106
PID 2824 wrote to memory of 3796	2824	cmd.exe	106
PID 2824 wrote to memory of 464	2824	cmd.exe	107
PID 2824 wrote to memory of 464	2824	cmd.exe	107
PID 2824 wrote to memory of 464	2824	cmd.exe	107
PID 1120 wrote to memory of 460	1120	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe	108
PID 1120 wrote to memory of 460	1120	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe	108
PID 1120 wrote to memory of 460	1120	bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe	108
PID 840 wrote to memory of 2944	840	danke.exe	116
PID 840 wrote to memory of 2944	840	danke.exe	116
PID 840 wrote to memory of 2944	840	danke.exe	116
PID 3168 wrote to memory of 2308	3168	Process not Found	124
PID 3168 wrote to memory of 2308	3168	Process not Found	124
PID 3168 wrote to memory of 2308	3168	Process not Found	124
PID 2308 wrote to memory of 2128	2308	DEE2.exe	125
PID 2308 wrote to memory of 2128	2308	DEE2.exe	125
PID 2308 wrote to memory of 2128	2308	DEE2.exe	125

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\bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe
"C:\Users\Admin\AppData\Local\Temp\bccf3dd28ad98af40c1d74873d6a20268fa9587166a3fc6e40987f989ffa1c80.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3368479.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3368479.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:732
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2368502.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2368502.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1204
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a7676435.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a7676435.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3268
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8890397.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8890397.exe
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2580
    - - C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
        
        "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:840
      - C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN danke.exe /TR "C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe" /F
        6⤵
        Creates scheduled task(s)
        
        PID:1288
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "danke.exe" /P "Admin:N"&&CACLS "danke.exe" /P "Admin:R" /E&&echo Y|CACLS "..\3ec1f323b5" /P "Admin:N"&&CACLS "..\3ec1f323b5" /P "Admin:R" /E&&Exit
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2824
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        
        PID:1892
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:N"
        7⤵
        
        PID:3476
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "danke.exe" /P "Admin:R" /E
        7⤵
        
        PID:4308
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
        7⤵
        
        PID:1976
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:N"
        7⤵
        
        PID:3796
        
        C:\Windows\SysWOW64\cacls.exe
        
        CACLS "..\3ec1f323b5" /P "Admin:R" /E
        7⤵
        
        PID:464
      - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        6⤵
        Loads dropped DLL
        
        PID:2944
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c7838037.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c7838037.exe
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:4340
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d1332389.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d1332389.exe
  2⤵
  - Executes dropped EXE
  PID:460

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:556

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:4576

C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
C:\Users\Admin\AppData\Local\Temp\3ec1f323b5\danke.exe
1⤵
- Executes dropped EXE
PID:5008

C:\Users\Admin\AppData\Local\Temp\DEE2.exe
C:\Users\Admin\AppData\Local\Temp\DEE2.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" -y .\_E62LIn4.O
  2⤵
  - Loads dropped DLL
  PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

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

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

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery