quasar | 6fb67950f8de0f87ee4cd34d50d068ee4b5e5418d363a189da0d9949db6be8ed

System Information Discovery

Processes:

e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exetest1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	test1.exe

Executes dropped EXE 3 IoCs

Processes:

test1.exeClient.exetest1.exe

pid process

1432 test1.exe
1924 Client.exe
4056 test1.exe

pid	process
1432	test1.exe
1924	Client.exe
4056	test1.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

test1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	test1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	test1.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.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.

Processes:

flow ioc

9 ip-api.com

flow	ioc
9	ip-api.com

Drops file in Windows directory 3 IoCs

Processes:

e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 13 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

Processes:

schtasks.exepowershell.exechcp.comPING.EXEtest1.exeClient.exee2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exeschtasks.exetest1.exedw20.execmd.execmd.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
discovery

Internet Connection Discovery
T1016.001

Processes:

PING.EXE

pid process

3440 PING.EXE

pid	process
3440	PING.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

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3440 PING.EXE
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exe

pid process

1640 schtasks.exe
432 schtasks.exe

pid	process
3440	PING.EXE

pid	process
1640	schtasks.exe
432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exetest1.exetest1.exe

pid	process
4860	powershell.exe
4860	powershell.exe
1432	test1.exe
1432	test1.exe
1432	test1.exe
1432	test1.exe
1432	test1.exe
1432	test1.exe
1432	test1.exe
4056	test1.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

dw20.exetest1.exepowershell.exeClient.exetest1.exe

description	pid	process
Token: SeRestorePrivilege	5044	dw20.exe
Token: SeBackupPrivilege	5044	dw20.exe
Token: SeBackupPrivilege	5044	dw20.exe
Token: SeBackupPrivilege	5044	dw20.exe
Token: SeDebugPrivilege	1432	test1.exe
Token: SeDebugPrivilege	4860	powershell.exe
Token: SeDebugPrivilege	1924	Client.exe
Token: SeDebugPrivilege	1924	Client.exe
Token: SeDebugPrivilege	4056	test1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Client.exe

pid process

1924 Client.exe

pid	process
1924	Client.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exetest1.exeClient.execmd.execmd.exe

description	pid	process	target process
PID 1940 wrote to memory of 1432	1940	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe	test1.exe
PID 1940 wrote to memory of 1432	1940	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe	test1.exe
PID 1940 wrote to memory of 1432	1940	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe	test1.exe
PID 1940 wrote to memory of 5044	1940	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe	dw20.exe
PID 1940 wrote to memory of 5044	1940	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe	dw20.exe
PID 1940 wrote to memory of 5044	1940	e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe	dw20.exe
PID 1432 wrote to memory of 1640	1432	test1.exe	schtasks.exe
PID 1432 wrote to memory of 1640	1432	test1.exe	schtasks.exe
PID 1432 wrote to memory of 1640	1432	test1.exe	schtasks.exe
PID 1432 wrote to memory of 1924	1432	test1.exe	Client.exe
PID 1432 wrote to memory of 1924	1432	test1.exe	Client.exe
PID 1432 wrote to memory of 1924	1432	test1.exe	Client.exe
PID 1432 wrote to memory of 4860	1432	test1.exe	powershell.exe
PID 1432 wrote to memory of 4860	1432	test1.exe	powershell.exe
PID 1432 wrote to memory of 4860	1432	test1.exe	powershell.exe
PID 1924 wrote to memory of 432	1924	Client.exe	schtasks.exe
PID 1924 wrote to memory of 432	1924	Client.exe	schtasks.exe
PID 1924 wrote to memory of 432	1924	Client.exe	schtasks.exe
PID 1432 wrote to memory of 5088	1432	test1.exe	cmd.exe
PID 1432 wrote to memory of 5088	1432	test1.exe	cmd.exe
PID 1432 wrote to memory of 5088	1432	test1.exe	cmd.exe
PID 5088 wrote to memory of 2452	5088	cmd.exe	cmd.exe
PID 5088 wrote to memory of 2452	5088	cmd.exe	cmd.exe
PID 5088 wrote to memory of 2452	5088	cmd.exe	cmd.exe
PID 1432 wrote to memory of 4352	1432	test1.exe	cmd.exe
PID 1432 wrote to memory of 4352	1432	test1.exe	cmd.exe
PID 1432 wrote to memory of 4352	1432	test1.exe	cmd.exe
PID 4352 wrote to memory of 4072	4352	cmd.exe	chcp.com
PID 4352 wrote to memory of 4072	4352	cmd.exe	chcp.com
PID 4352 wrote to memory of 4072	4352	cmd.exe	chcp.com
PID 4352 wrote to memory of 3440	4352	cmd.exe	PING.EXE
PID 4352 wrote to memory of 3440	4352	cmd.exe	PING.EXE
PID 4352 wrote to memory of 3440	4352	cmd.exe	PING.EXE
PID 4352 wrote to memory of 4056	4352	cmd.exe	test1.exe
PID 4352 wrote to memory of 4056	4352	cmd.exe	test1.exe
PID 4352 wrote to memory of 4056	4352	cmd.exe	test1.exe

C:\Users\Admin\AppData\Local\Temp\e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e2afad2e4405ec0c5c22398203a3443d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Roaming\test1.exe
  "C:\Users\Admin\AppData\Roaming\test1.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Checks computer location settings
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "Venom Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\test1.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1640
- - C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1924
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "Venom Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:432
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4860
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5088
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
      4⤵
      System Location Discovery: System Language Discovery
      PID:2452
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fln4ro0YcBul.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4352
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:4072
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 10 localhost
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3440
  - - C:\Users\Admin\AppData\Roaming\test1.exe
      "C:\Users\Admin\AppData\Roaming\test1.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4056
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1164
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:5044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

3

Remote System Discovery

T1018

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery