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

Checks computer location settings 2 TTPs 2 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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3476	svchost.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe
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

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-1-5-21-2288054676-1871194608-3559553667-1000\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	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
33	api.ipify.org
34	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3476 set thread context of 1200	3476	svchost.exe	100

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
2588	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1892	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
4176	powershell.exe
1200	CasPol.exe
1200	CasPol.exe
4176	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe
Token: SeDebugPrivilege	3476	svchost.exe
Token: SeDebugPrivilege	4176	powershell.exe
Token: SeDebugPrivilege	1200	CasPol.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2576	2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	87
PID 2784 wrote to memory of 2576	2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	87
PID 2784 wrote to memory of 2576	2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	87
PID 2784 wrote to memory of 3048	2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	89
PID 2784 wrote to memory of 3048	2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	89
PID 2784 wrote to memory of 3048	2784	f1ba0000ca5e3000165e46e43d0b254f6935bd93feb32be64fa57f05732c5548_JaffaCakes118.exe	89
PID 3048 wrote to memory of 1892	3048	cmd.exe	92
PID 3048 wrote to memory of 1892	3048	cmd.exe	92
PID 3048 wrote to memory of 1892	3048	cmd.exe	92
PID 2576 wrote to memory of 2588	2576	cmd.exe	91
PID 2576 wrote to memory of 2588	2576	cmd.exe	91
PID 2576 wrote to memory of 2588	2576	cmd.exe	91
PID 3048 wrote to memory of 3476	3048	cmd.exe	97
PID 3048 wrote to memory of 3476	3048	cmd.exe	97
PID 3048 wrote to memory of 3476	3048	cmd.exe	97
PID 3476 wrote to memory of 4176	3476	svchost.exe	98
PID 3476 wrote to memory of 4176	3476	svchost.exe	98
PID 3476 wrote to memory of 4176	3476	svchost.exe	98
PID 3476 wrote to memory of 1200	3476	svchost.exe	100
PID 3476 wrote to memory of 1200	3476	svchost.exe	100
PID 3476 wrote to memory of 1200	3476	svchost.exe	100
PID 3476 wrote to memory of 1200	3476	svchost.exe	100
PID 3476 wrote to memory of 1200	3476	svchost.exe	100
PID 3476 wrote to memory of 1200	3476	svchost.exe	100
PID 3476 wrote to memory of 1200	3476	svchost.exe	100
PID 3476 wrote to memory of 1200	3476	svchost.exe	100

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⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784
- 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:2576
- - 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:2588
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp48A2.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1892
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - UAC bypass
    - Windows security bypass
    - Checks computer location settings
    - 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:3476
  - - 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:4176
  - - 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:1200

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