550efb889d6a812492ec7d709797037d5ae61bd56de26e589947c3624ca31e95

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 06:00

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General

Target

8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe
Size

11KB
MD5

8349f23e7d813f2cfbdbf9a6f4164e96
SHA1

d9ae3533218582f7d79521008baadcc3e3312ef4
SHA256

550efb889d6a812492ec7d709797037d5ae61bd56de26e589947c3624ca31e95
SHA512

799a45109c07c99a1562b5dcc25cd625ad4011693c4e7ff9be8c744102c3002e93171cdea746330793bea6617b9d80d7ea0727a2c4e2f4d6853cfec74af87f39
SSDEEP

192:HZ5VfNAaAhugqqvZUhZILKyL1VPQ8QJZVf+:HZ5VfNAaAhugqcUhZILnVPQjr1

Score

6^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\sysfdll32	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\sysfdll32	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\sysfdll32\DLLName = "sysfdll32.dll"	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\sysfdll32\Startup = "Startup"	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sysfdll32.dll	8349f23e7d813f2cfbdbf9a6f4164e96_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	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4816	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe
4816	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 3436	4816	8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8349f23e7d813f2cfbdbf9a6f4164e96_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4816

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

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Downloads

memory/4816-0-0x0000000014140000-0x0000000014145000-memory.dmp

Filesize
20KB

Download
memory/4816-2-0x0000000014140000-0x0000000014145000-memory.dmp

Filesize
20KB

Download