26c31b47a82695b272ed32b63275f51b3554879aa4021856a2487eb8cb3abc91

Analysis

max time kernel
141s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 05:30

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General

Target

b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe
Size

48KB
MD5

b2431af751e4e39e9979e042b57380f3
SHA1

5c9a54d500411d4dd297d09ac2d68508f23d5449
SHA256

26c31b47a82695b272ed32b63275f51b3554879aa4021856a2487eb8cb3abc91
SHA512

0420a1e936f10857b311083ea737108fc3bd46eb701bb5a32ddfec576afb893556ccdc5dd8b5e0c5eb252f9f5cbfc5e9e17e825aff5b828833f34d2d63d84fd5
SSDEEP

768:+BcA/lDfXHhCfw+5mEJqkstS8f8hBsYB5aD3FBGNjWLQLes7WXm0/Ojnv4:+V/Nc4+5/qkstTkhB94hsNjWL8K222A

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,"	b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ntos.exe	b2431af751e4e39e9979e042b57380f3_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	b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2208	b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe
2208	b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b2431af751e4e39e9979e042b57380f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b2431af751e4e39e9979e042b57380f3_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:2208

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

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Downloads

memory/2208-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2208-2-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2208-1-0x0000000000410000-0x0000000000412000-memory.dmp

Filesize
8KB

Download
memory/2208-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2208-8-0x0000000000410000-0x0000000000412000-memory.dmp

Filesize
8KB

Download