01de61cc3cca45624dfd3212276affe21713570fc482e324eee42c72d640cc25

Analysis

max time kernel
140s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 11:54

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General

Target

39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
Size

7KB
MD5

39e02661e74b5f26fd55d3fa28edad72
SHA1

fe18f39d5b6fe715683dbd31ace63dd727307de2
SHA256

01de61cc3cca45624dfd3212276affe21713570fc482e324eee42c72d640cc25
SHA512

a9f0ea180dc4c6b43d537c6ae3239edfb2fc92fb88daa14eafa35bf7228b44b9c1e0b05b06e1b3d8e4276b979fd184bd791408e051bf2ca430916f5bb7c8635a
SSDEEP

96:4ZhrLnP/ewdmFWaSQEYOCSmG757WNE5CwYinabrr0xjww0Dt/8PYAZAHtSeHSHqj:I/ulSQ9Q5WNEk28R/9ASHkVwZ

Score

8^/10

discovery 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
3336	netsh.exe

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\\kernels8.exe"	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\dlh9jkdq8.exe	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kernels8.exe	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kernels8.exe	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1572-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1572-2-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1572-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1572-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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

System Location Discovery: System Language Discovery 1 TTPs 2 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	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 3336	1572	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe	90
PID 1572 wrote to memory of 3336	1572	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe	90
PID 1572 wrote to memory of 3336	1572	39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\39e02661e74b5f26fd55d3fa28edad72_JaffaCakes118.exe' enable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3336

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1572-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1572-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads