cdf88df17f286813b3a9ca75bda8c23d679136e315787e5c917adf3fdae4d615

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2024, 00:40

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General

Target

32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe
Size

7KB
MD5

32a33f4f26cbeeae1e23b6daeb10432b
SHA1

162134e7e943e1c48bba62185eaa6855e6e1d321
SHA256

cdf88df17f286813b3a9ca75bda8c23d679136e315787e5c917adf3fdae4d615
SHA512

f4de03d39a2ff0fd9254eb03b01b1fba3fa6aed4c737659752598fc015f2dd6b13cab9920eaf6155e43914d7f3aedd59a5a4d7ed00df0ecb5af6ef4481cc1fcc
SSDEEP

192://FdmYlxwqAbnPwkPed+A5YbbdJMmvXSpnS00000000000000000000j0A0q00YZ:/PDvRAbnohd+EY9JMmvXSFS00000000A

Score

8^/10

evasion persistence privilege_escalation upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1796	netsh.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1604-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1604-2-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernels88.exe"	32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kernels88.exe	32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kernels88.exe	32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dlh9jkd1q8.exe	32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 1796	1604	32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe	82
PID 1604 wrote to memory of 1796	1604	32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe	82
PID 1604 wrote to memory of 1796	1604	32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\32a33f4f26cbeeae1e23b6daeb10432b_JaffaCakes118.exe' enable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1604-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1604-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads