1fed4cadf4ae3ad055932c8f29239279af1ea000ade2ac049f343fe4c1298fc0

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 21:13

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General

Target

3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe
Size

100KB
MD5

3ee6d7e901edd4cd091035ca9907140c
SHA1

c220c42d59a5d72614796e880444cc16ae3da38b
SHA256

1fed4cadf4ae3ad055932c8f29239279af1ea000ade2ac049f343fe4c1298fc0
SHA512

ac37df73cc6e19cb253fffe3c8996ba211b476ba5facf843e073486e8383320c18226b37172b2928734983a79a83e7d64b29e66f970199c69d8c8fd538a54048
SSDEEP

1536:SZtGW82NTzwd2MGAc4ohrPXo+73Rez8b0SyuNIjnZq:gwd5urPX7CuCnY

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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	kooyu.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4104	kooyu.exe

Adds Run key to start application 2 TTPs 51 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /e"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /R"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /u"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /m"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /K"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /T"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /n"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /c"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /k"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /J"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /Y"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /z"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /t"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /h"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /D"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /S"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /M"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /O"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /s"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /w"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /B"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /I"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /R"	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /W"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /E"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /y"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /p"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /X"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /V"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /j"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /P"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /Z"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /U"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /F"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /r"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /d"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /v"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /N"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /G"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /b"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /g"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /o"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /A"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /q"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /f"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /H"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /C"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /x"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /i"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /L"	kooyu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kooyu = "C:\\Users\\Admin\\kooyu.exe /l"	kooyu.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

pid	Process
520	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe
520	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe
4104	kooyu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
520	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe
4104	kooyu.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 520 wrote to memory of 4104	520	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe	86
PID 520 wrote to memory of 4104	520	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe	86
PID 520 wrote to memory of 4104	520	3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3ee6d7e901edd4cd091035ca9907140c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3ee6d7e901edd4cd091035ca9907140c_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:520
- C:\Users\Admin\kooyu.exe
  "C:\Users\Admin\kooyu.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:4104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\kooyu.exe

Filesize
100KB

MD5
e5665ebdfded22262023c7fc4d95d1fc

SHA1
5246f6c7dacfc450ab7d7ed6c7649b14109c65a9

SHA256
142279b0e7992c032e1afade9dfba81a216a7911213454712174a6a2d3024fef

SHA512
58038b14a5cf8e6e774941dcce85e6870ec6637a1195de0aa7fd0dfa54da1118d8c4947b0e45312e09b2c9ce618b58c363fd5e34004d52669a796f1d00031a35

Download Submit
memory/520-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/520-37-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4104-34-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4104-38-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download