878d83d2bd0d92dcaaf8becb3c8147173014edc5fe78198c2e62afd5f155fa48

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 12:02

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General

Target

fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
Size

240KB
MD5

fe7ca97ea2574a68f61db8055b0603e0
SHA1

dd06423c67e681d3307c94184585647f2ec68756
SHA256

878d83d2bd0d92dcaaf8becb3c8147173014edc5fe78198c2e62afd5f155fa48
SHA512

6c8544de3cee37736a30d94e7497abf2571be7965fca2c1572f7bd0e23aeb7489951ce52ea8d261bd3c66048268cd6ff26541ccbe94945e32dac218d9f7b5bbe
SSDEEP

6144:hDCvbKgs/hLVr8awjKsEz4AhO3Jlc5VS7cq3Z:Qvbv6LVQez4AU5lcrSY

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 = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system\\winlogon.exe"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
1120	winlogon.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\config.inf	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
File created	C:\Windows\system\winlogon.exe	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
File opened for modification	C:\Windows\system\winlogon.exe	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
File created	C:\Windows\system\install.reg	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Runs .reg file with regedit 1 IoCs

pid	Process
5096	regedit.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
1120	winlogon.exe
1120	winlogon.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 5096	4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	82
PID 4540 wrote to memory of 5096	4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	82
PID 4540 wrote to memory of 5096	4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	82
PID 4540 wrote to memory of 1120	4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	83
PID 4540 wrote to memory of 1120	4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	83
PID 4540 wrote to memory of 1120	4540	fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe7ca97ea2574a68f61db8055b0603e0_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\regedit.exe
  regedit /s C:\Windows\system\install.reg
  2⤵
  - Modifies WinLogon for persistence
  - System Location Discovery: System Language Discovery
  - Runs .reg file with regedit
  PID:5096
- C:\Windows\system\winlogon.exe
  C:\Windows\system\winlogon.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1120

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

C:\Windows\System\install.reg

Filesize
170B

MD5
f33a9f7708f893368fb6725b7ffd91b9

SHA1
b260a16969c02194e0c8b74f3f66c1d9be4cee38

SHA256
88409e15c9b8ce60d656172f05eb9e002e4389927f0cbfa1339d2581fc5314bc

SHA512
b85e229ef435dfd9c4e5442c506f1ab063595002a16c953510555bb3e12d24efc5fb43c9fb77898c1512a1521675ba20391a3649c972db7e42bac78c533ae792

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C:\Windows\System\winlogon.exe

Filesize
240KB

MD5
fe7ca97ea2574a68f61db8055b0603e0

SHA1
dd06423c67e681d3307c94184585647f2ec68756

SHA256
878d83d2bd0d92dcaaf8becb3c8147173014edc5fe78198c2e62afd5f155fa48

SHA512
6c8544de3cee37736a30d94e7497abf2571be7965fca2c1572f7bd0e23aeb7489951ce52ea8d261bd3c66048268cd6ff26541ccbe94945e32dac218d9f7b5bbe

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads