hawkeye | bf63f9c5c45d521d910d2f6aaabc359fa508fdd58f8b24a7c2ba51ab6125103e

System Information Discovery

Processes:

d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.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.

Processes:

flow	ioc
18	whatismyipaddress.com
20	whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

Processes:

d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exeRegAsm.exe

description	pid	Process	procid_target
PID 1172 set thread context of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 5032 set thread context of 1912	5032	RegAsm.exe	97
PID 5032 set thread context of 1508	5032	RegAsm.exe	98

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 6 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:

RegAsm.exevbc.exevbc.exedw20.exed5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

Processes:

schtasks.exe

pid	Process
116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

vbc.exeRegAsm.exe

pid	Process
1508	vbc.exe
1508	vbc.exe
5032	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

RegAsm.exedw20.exe

description	pid	Process
Token: SeDebugPrivilege	5032	RegAsm.exe
Token: SeRestorePrivilege	2488	dw20.exe
Token: SeBackupPrivilege	2488	dw20.exe
Token: SeBackupPrivilege	2488	dw20.exe
Token: SeBackupPrivilege	2488	dw20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid	Process
5032	RegAsm.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exeRegAsm.exe

description	pid	Process	procid_target
PID 1172 wrote to memory of 116	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	94
PID 1172 wrote to memory of 116	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	94
PID 1172 wrote to memory of 116	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	94
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 1172 wrote to memory of 5032	1172	d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe	96
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1912	5032	RegAsm.exe	97
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 1508	5032	RegAsm.exe	98
PID 5032 wrote to memory of 2488	5032	RegAsm.exe	101
PID 5032 wrote to memory of 2488	5032	RegAsm.exe	101
PID 5032 wrote to memory of 2488	5032	RegAsm.exe	101

C:\Users\Admin\AppData\Local\Temp\d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5ea316da41904c647d59e0eeb167f97_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Update\VDFFSHBXCTFGHDNMBGKZXDDXNVMNCCXBGBNXJNCJM" /XML "C:\Users\Admin\AppData\Local\Temp\z714"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:116
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:1912
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1508
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 2740
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Scripting

T1064

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Scripting

T1064

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

System Information Discovery