9df5a67c5941d24ac50ad1dd41f73a4438850f30b111d45c154a69b5d0573907

General

Target

36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe
Size

200KB
MD5

36655a0b11773cacf42ec2ca9ca3ec50
SHA1

64c4be9d982d56106f7d8167c07295da4d9d8e0d
SHA256

9df5a67c5941d24ac50ad1dd41f73a4438850f30b111d45c154a69b5d0573907
SHA512

e5e6c7be87fbf10e2106af4635cc6a3a4bf67ef83e01d7802c29c97793759b452d3e30381124ae80754035b19acd7e380f743eb4f2ad8bef3a671ca80159580b
SSDEEP

3072:wR7To/05Wr0tQ9nLHbB9WBJiBs2HWWEaPGJm9wFH:wRix4QxL7B9WBJi+yWWEaUjJ

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exefeoil.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	feoil.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

feoil.exe

pid process

3432 feoil.exe

pid	process
3432	feoil.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

feoil.exe36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /b"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /v"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /m"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /g"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /e"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /w"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /n"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /j"	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /j"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /x"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /a"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /c"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /h"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /f"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /y"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /l"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /t"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /s"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /r"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /i"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /k"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /u"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /o"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /p"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /z"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /q"	feoil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feoil = "C:\\Users\\Admin\\feoil.exe /d"	feoil.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exefeoil.exe

pid	process
4888	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe
4888	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe
3432	feoil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exefeoil.exe

pid process

4888 36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe
3432 feoil.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe

description	pid	process	target process
PID 4888 wrote to memory of 3432	4888	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe	feoil.exe
PID 4888 wrote to memory of 3432	4888	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe	feoil.exe
PID 4888 wrote to memory of 3432	4888	36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe	feoil.exe

C:\Users\Admin\AppData\Local\Temp\36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\36655a0b11773cacf42ec2ca9ca3ec50_JaffaCakes118.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4888

C:\Users\Admin\feoil.exe
"C:\Users\Admin\feoil.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\feoil.exe

Filesize
200KB

MD5
44b74ff6883f423a8ab616e2e1957fff

SHA1
4f993f4627f31d5aff9058adcb944ac26919c3ba

SHA256
b8560ea7b30a6ccca605437244ae14023f5159b67771bc670a368a29c800ae90

SHA512
95b56af5c27205e8cf00cab36583c0be5ce39a27baea6d9469b6a1aed6a59ea6661ef166fe6458a55623087ccfb75de8cd10d55fbda602e837c00efc4341f5bd

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads