hawkeye | e3f0781c31864934858d6981b799b707040a45d62486a3d14be8c73ee40110a2

System Information Discovery

Processes:

3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	3211d96fc77df555fdfb01c88d15e59b_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-1-5-21-4018855536-2201274732-320770143-1000\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

33 whatismyipaddress.com
35 whatismyipaddress.com

flow	ioc
33	whatismyipaddress.com
35	whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

Processes:

3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exeRegAsm.exe

description	pid	process	target process
PID 744 set thread context of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 4252 set thread context of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 set thread context of 1512	4252	RegAsm.exe	vbc.exe

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

System Information Discovery
T1082

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

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
T1053

Processes:

schtasks.exe

pid process

2412 schtasks.exe

pid	process
2412	schtasks.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

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

vbc.exeRegAsm.exe

pid process

1512 vbc.exe
1512 vbc.exe
4252 RegAsm.exe

pid	process
1512	vbc.exe
1512	vbc.exe
4252	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

RegAsm.exedw20.exe

description	pid	process
Token: SeDebugPrivilege	4252	RegAsm.exe
Token: SeRestorePrivilege	2408	dw20.exe
Token: SeBackupPrivilege	2408	dw20.exe
Token: SeBackupPrivilege	2408	dw20.exe
Token: SeBackupPrivilege	2408	dw20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

4252 RegAsm.exe

pid	process
4252	RegAsm.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exeRegAsm.exe

description	pid	process	target process
PID 744 wrote to memory of 2412	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	schtasks.exe
PID 744 wrote to memory of 2412	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	schtasks.exe
PID 744 wrote to memory of 2412	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	schtasks.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 744 wrote to memory of 4252	744	3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe	RegAsm.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 4960	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 1512	4252	RegAsm.exe	vbc.exe
PID 4252 wrote to memory of 2408	4252	RegAsm.exe	dw20.exe
PID 4252 wrote to memory of 2408	4252	RegAsm.exe	dw20.exe
PID 4252 wrote to memory of 2408	4252	RegAsm.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3211d96fc77df555fdfb01c88d15e59b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Update\VDFFSHBXCTFGHDNMBGKZXDDXNVMNCCXBGBNXJNCJM" /XML "C:\Users\Admin\AppData\Local\Temp\z885"
2⤵
- Creates scheduled task(s)
PID:2412

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4252

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
PID:4960

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⤵
- Suspicious behavior: EnumeratesProcesses
PID:1512

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1804
3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2408

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

T1064

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

Lateral Movement

Collection

Email Collection