c5a427547211f9ad4df8bf06d919e5c4968bb730ab455dbadfa0cfbc13c9a8a8

Analysis

max time kernel
149s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 10:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe
Size

334KB
MD5

0564dd170accfd2877de55d7dd5766bb
SHA1

429fa073ac0529847bbe0f75252be2728109811d
SHA256

c5a427547211f9ad4df8bf06d919e5c4968bb730ab455dbadfa0cfbc13c9a8a8
SHA512

2bc3f9e480145172fc40e938d673669a33e4897f5e953dfbf633bba3c83f50cf9f5604918aa552a904df30d4de37a96027e32d16eea32ee85e82a539134d857b
SSDEEP

6144:vthif1TxRUrX2DwgWWvpxjwOwGEX962L5:vthohqX2cgD/jwOQ935

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	nkwna.exe

Loads dropped DLL 1 IoCs

pid	Process
2660	nkwna.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4788	4736	WerFault.exe	81
920	2660	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 5 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nkwna.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
716	cmd.exe
1940	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
1756	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1940	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe
2660	nkwna.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 716	4736	0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe	85
PID 4736 wrote to memory of 716	4736	0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe	85
PID 4736 wrote to memory of 716	4736	0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe	85
PID 716 wrote to memory of 1756	716	cmd.exe	87
PID 716 wrote to memory of 1756	716	cmd.exe	87
PID 716 wrote to memory of 1756	716	cmd.exe	87
PID 716 wrote to memory of 1940	716	cmd.exe	89
PID 716 wrote to memory of 1940	716	cmd.exe	89
PID 716 wrote to memory of 1940	716	cmd.exe	89
PID 716 wrote to memory of 2660	716	cmd.exe	90
PID 716 wrote to memory of 2660	716	cmd.exe	90
PID 716 wrote to memory of 2660	716	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 556
  2⤵
  - Program crash
  PID:4788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4736 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\0564dd170accfd2877de55d7dd5766bb_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\nkwna.exe -f
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:716
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4736
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1756
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1940
- - C:\Users\Admin\AppData\Local\nkwna.exe
    C:\Users\Admin\AppData\Local\nkwna.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2660
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 568
      4⤵
      Program crash
      PID:920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4736 -ip 4736
1⤵
PID:3444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2660 -ip 2660
1⤵
PID:1988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\nkwna.exe

Filesize
334KB

MD5
0564dd170accfd2877de55d7dd5766bb

SHA1
429fa073ac0529847bbe0f75252be2728109811d

SHA256
c5a427547211f9ad4df8bf06d919e5c4968bb730ab455dbadfa0cfbc13c9a8a8

SHA512
2bc3f9e480145172fc40e938d673669a33e4897f5e953dfbf633bba3c83f50cf9f5604918aa552a904df30d4de37a96027e32d16eea32ee85e82a539134d857b

Download Submit
memory/2660-16-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-19-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-34-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-32-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-9-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-10-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-13-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-30-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-28-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-21-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-17-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-23-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/2660-25-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/4736-2-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/4736-0-0x0000000000D50000-0x0000000000D52000-memory.dmp

Filesize
8KB

Download
memory/4736-1-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download
memory/4736-5-0x0000000001000000-0x00000000010B6000-memory.dmp

Filesize
728KB

Download