1ab540a123dfdaea8444e33d297375caafb3c272c494492dcb93d1f2e6d909f0

General

Target

82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
Size

7KB
MD5

82780652973529f2e958bebc80e9c4b0
SHA1

b5185958adce4a7ffcb17084b883c6c8ea31a585
SHA256

1ab540a123dfdaea8444e33d297375caafb3c272c494492dcb93d1f2e6d909f0
SHA512

ff0708cfb93180ba5a58a999e251d673fa85ce51a2298c090cca3f93171727fd6b58aa2f6fcff528798cddfe92ff1af106b2ff73cbe9b7ad6d0b6a21ca88d366
SSDEEP

96:B7paruGEnnQ1TVJ8JV39/Q6kAvUAvzbxGx/0KGg5sZiU/D5wlwB/NV:B7pDGAT9/Q+rbMKZiWAwBlV

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
760	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"	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kernels8.exe	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kernels8.exe	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dlh9jkdq8.exe	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1736-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1736-2-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1736-3-0x0000000000400000-0x000000000040B000-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	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 760	1736	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe	30
PID 1736 wrote to memory of 760	1736	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe	30
PID 1736 wrote to memory of 760	1736	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe	30
PID 1736 wrote to memory of 760	1736	82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82780652973529f2e958bebc80e9c4b0_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:1736
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\82780652973529f2e958bebc80e9c4b0_JaffaCakes118.exe' enable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1736-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1736-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1736-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads