kutaki | 0d3cf290f14c09e02aa3cea0c711e01955131d829cf7369b1f2dba351ba49d76

General

Target

ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
Size

499KB
MD5

ee9d608c58f615144948a76f0c271dda
SHA1

f95fcd18d45361e61b6947c4002e10b714b12127
SHA256

0d3cf290f14c09e02aa3cea0c711e01955131d829cf7369b1f2dba351ba49d76
SHA512

32c45c057f1cdbf85085fb07cd490489acbf44d17dd6985141145807e441d8837c0be2650c664e1aaef39da968131435ebdf01446f064167ad42929f2d8dc503
SSDEEP

6144:OkseWcMsj1E+6VVPviDlSOcwhxAwOhgYwjtsFQ2E8QX/GSZnBCZi5:IerpGPqlSpwhm4s5bsGSCs5

Score

10^/10

kutaki discovery keylogger stealer

Malware Config

Signatures

Kutaki
Information stealer and keylogger that hides inside legitimate Visual Basic applications.
stealer keylogger kutaki

Kutaki Executable 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lunlerio.exe	family_kutaki

Drops startup file 2 IoCs

Processes:

ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lunlerio.exe	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lunlerio.exe	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

lunlerio.exe

pid process

2232 lunlerio.exe
Loads dropped DLL 2 IoCs

Processes:

ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe

pid process

2272 ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
2272 ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe

pid	process
2232	lunlerio.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

lunlerio.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	lunlerio.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	lunlerio.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

ee9d608c58f615144948a76f0c271dda_JaffaCakes118.execmd.exelunlerio.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lunlerio.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

lunlerio.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main lunlerio.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main	lunlerio.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exelunlerio.exe

pid	process
2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
2232	lunlerio.exe
2232	lunlerio.exe
2232	lunlerio.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe

description	pid	process	target process
PID 2272 wrote to memory of 1324	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	cmd.exe
PID 2272 wrote to memory of 1324	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	cmd.exe
PID 2272 wrote to memory of 1324	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	cmd.exe
PID 2272 wrote to memory of 1324	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	cmd.exe
PID 2272 wrote to memory of 2232	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	lunlerio.exe
PID 2272 wrote to memory of 2232	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	lunlerio.exe
PID 2272 wrote to memory of 2232	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	lunlerio.exe
PID 2272 wrote to memory of 2232	2272	ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe	lunlerio.exe

C:\Users\Admin\AppData\Local\Temp\ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee9d608c58f615144948a76f0c271dda_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1324
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lunlerio.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lunlerio.exe"
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lunlerio.exe

Filesize
499KB

MD5
ee9d608c58f615144948a76f0c271dda

SHA1
f95fcd18d45361e61b6947c4002e10b714b12127

SHA256
0d3cf290f14c09e02aa3cea0c711e01955131d829cf7369b1f2dba351ba49d76

SHA512
32c45c057f1cdbf85085fb07cd490489acbf44d17dd6985141145807e441d8837c0be2650c664e1aaef39da968131435ebdf01446f064167ad42929f2d8dc503

Download Submit
memory/2232-29-0x0000000004D10000-0x0000000005057000-memory.dmp

Filesize
3.3MB

Download
memory/2232-30-0x0000000005060000-0x0000000005195000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads