e4b2784782cceb1203f87cc4386fd69cca9782706a37babb3ae0f38310ec89e6

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9852291382.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9852291382.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9852291382.exe

Deletes itself 1 IoCs

pid	Process
2652	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2116	9852291382.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-268080393-3149932598-1824759070-1000\Software\Wine	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Wine	9852291382.exe

Loads dropped DLL 1 IoCs

pid	Process
1848	77ab732257c72209115631b9aaafce2c_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 whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9852291382.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	77ab732257c72209115631b9aaafce2c_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
2	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe
2116	9852291382.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 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9852291382.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9852291382.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2028	taskkill.exe
2724	taskkill.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe
2116	9852291382.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	taskkill.exe
Token: SeDebugPrivilege	2028	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2116	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	28
PID 1848 wrote to memory of 2116	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	28
PID 1848 wrote to memory of 2116	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	28
PID 1848 wrote to memory of 2116	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	28
PID 1848 wrote to memory of 2652	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	29
PID 1848 wrote to memory of 2652	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	29
PID 1848 wrote to memory of 2652	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	29
PID 1848 wrote to memory of 2652	1848	77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe	29
PID 2652 wrote to memory of 2724	2652	cmd.exe	31
PID 2652 wrote to memory of 2724	2652	cmd.exe	31
PID 2652 wrote to memory of 2724	2652	cmd.exe	31
PID 2652 wrote to memory of 2724	2652	cmd.exe	31
PID 2116 wrote to memory of 1596	2116	9852291382.exe	34
PID 2116 wrote to memory of 1596	2116	9852291382.exe	34
PID 2116 wrote to memory of 1596	2116	9852291382.exe	34
PID 2116 wrote to memory of 1596	2116	9852291382.exe	34
PID 1596 wrote to memory of 2028	1596	cmd.exe	36
PID 1596 wrote to memory of 2028	1596	cmd.exe	36
PID 1596 wrote to memory of 2028	1596	cmd.exe	36
PID 1596 wrote to memory of 2028	1596	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1848
- C:\ProgramData\Arkei-84f733b4-eea8-4063-a7fc-81d3a2fcb37c\9852291382.exe
  "C:\ProgramData\Arkei-84f733b4-eea8-4063-a7fc-81d3a2fcb37c\9852291382.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im 9852291382.exe /f & erase C:\ProgramData\Arkei-84f733b4-eea8-4063-a7fc-81d3a2fcb37c\9852291382.exe & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1596
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im 9852291382.exe /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im 77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe /f & erase C:\Users\Admin\AppData\Local\Temp\77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im 77ab732257c72209115631b9aaafce2c_JaffaCakes118.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion