agenttesla | f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

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

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2568	cmd.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.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	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2740	2840	svchost.exe	37

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

System Information Discovery
T1082

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
2528	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2280	timeout.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2740	CasPol.exe
2740	CasPol.exe
2768	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
Token: SeDebugPrivilege	2840	svchost.exe
Token: SeDebugPrivilege	2740	CasPol.exe
Token: SeDebugPrivilege	2768	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2208	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2208	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2208	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2208	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2568	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2568	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2568	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2568	3000	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	30
PID 2208 wrote to memory of 2528	2208	cmd.exe	32
PID 2208 wrote to memory of 2528	2208	cmd.exe	32
PID 2208 wrote to memory of 2528	2208	cmd.exe	32
PID 2208 wrote to memory of 2528	2208	cmd.exe	32
PID 2568 wrote to memory of 2280	2568	cmd.exe	33
PID 2568 wrote to memory of 2280	2568	cmd.exe	33
PID 2568 wrote to memory of 2280	2568	cmd.exe	33
PID 2568 wrote to memory of 2280	2568	cmd.exe	33
PID 2568 wrote to memory of 2840	2568	cmd.exe	34
PID 2568 wrote to memory of 2840	2568	cmd.exe	34
PID 2568 wrote to memory of 2840	2568	cmd.exe	34
PID 2568 wrote to memory of 2840	2568	cmd.exe	34
PID 2840 wrote to memory of 2768	2840	svchost.exe	35
PID 2840 wrote to memory of 2768	2840	svchost.exe	35
PID 2840 wrote to memory of 2768	2840	svchost.exe	35
PID 2840 wrote to memory of 2768	2840	svchost.exe	35
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37
PID 2840 wrote to memory of 2740	2840	svchost.exe	37

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"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:2528
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2674.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2280
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - UAC bypass
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2840
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2768
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2740

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

Scheduled Task/Job

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry