redline | 2f78d296062361388f9c8b858d9c077cb0662c6d4fe38cb63d5e0dbcc804fdc0

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Software\Wine	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0cecd325ae1650c55eef63053bcd8f91_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.

flow	ioc
26	checkip.amazonaws.com

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
632	taskkill.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe
4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe
4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe
4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe
Token: SeDebugPrivilege	632	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 2664	4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe	95
PID 4972 wrote to memory of 2664	4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe	95
PID 4972 wrote to memory of 2664	4972	0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe	95
PID 2664 wrote to memory of 632	2664	cmd.exe	97
PID 2664 wrote to memory of 632	2664	cmd.exe	97
PID 2664 wrote to memory of 632	2664	cmd.exe	97
PID 2664 wrote to memory of 2556	2664	cmd.exe	98
PID 2664 wrote to memory of 2556	2664	cmd.exe	98
PID 2664 wrote to memory of 2556	2664	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C taskkill /F /PID 4972 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\0cecd325ae1650c55eef63053bcd8f91_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /PID 4972
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:632
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

2

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

4

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

Lateral Movement

Collection

Data from Local System