snakekeylogger | a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2132	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe	jsc.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4584	2944	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jsc.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2132	powershell.exe
2132	powershell.exe
2944	jsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Token: SeDebugPrivilege	2132	powershell.exe
Token: SeDebugPrivilege	2944	jsc.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2132	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	87
PID 2596 wrote to memory of 2132	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	87
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89
PID 2596 wrote to memory of 2944	2596	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	89

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
"C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2596
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2132
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 1808
    3⤵
    - Program crash
    PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2944 -ip 2944
1⤵
PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery