a42101587fa89e12f17002eae2758d0d9f76583f19de36f56af7fe68fa1ee26e

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 02:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe
Size

49KB
MD5

f4f387486cdbc09027f1bb05c3618b91
SHA1

a4baba5ec7e94adb7d303414481610982c7581cb
SHA256

a42101587fa89e12f17002eae2758d0d9f76583f19de36f56af7fe68fa1ee26e
SHA512

9ec516c016e858e204e45a67cefb474c88c7dc623e22ac308bc305f6455f2dcf646dc2cb54b03e13111c2c686761a8f6b44747bcd802ec0ff5eac084823ca467
SSDEEP

768:c3bprAkBW7XL5cNQIqxMCBbxY220tYg7nWjBRRmX8pq6TiRRE826Yz7S:c32n775cmIwM0bxNr7nWbRm6tJX

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "userinit.exe,C:\\Windows\\system32\\ntos.exe,"	f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ntos.exe	f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2148	f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe
2148	f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4f387486cdbc09027f1bb05c3618b91_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2148-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2148-3-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2148-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2148-1-0x0000000000411000-0x0000000000413000-memory.dmp

Filesize
8KB

Download
memory/2148-8-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2148-9-0x0000000000411000-0x0000000000413000-memory.dmp

Filesize
8KB

Download