15af8dd1a7aa19220ff6920862f446415924368228cf81d0e59beb3618ebebc3

General

Target

8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe
Size

2.0MB
MD5

8961c824564f45b09516ab42099ea87a
SHA1

e21c887026f35532db6926a173a279a80e66a640
SHA256

15af8dd1a7aa19220ff6920862f446415924368228cf81d0e59beb3618ebebc3
SHA512

30b54912e224a59871150812d802328ee38737c98b01a6d18b158501af52890fba1677192a8fe01ff4c492cd5e2d2984f42eb73341a10fd378e5cf7600f9c435
SSDEEP

49152:HHHH/mk7VkRkOgcmHmk48FQ0NUrg37O9ANcj/EtNbEYbENUhWjlwFR3:HHHH/mkBobgcWmk48FQ0N2g3TNcrEDbV

Score

8^/10

discovery evasion persistence privilege_escalation upx

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2588	netsh.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2716-0-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-2-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-3-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-4-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-6-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-7-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-8-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-9-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-10-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-11-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-12-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-13-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-14-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-15-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-16-0x0000000000400000-0x0000000001267000-memory.dmp	upx
behavioral1/memory/2716-17-0x0000000000400000-0x0000000001267000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\Gbp Service = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe"	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gbp Service = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe"	8961c824564f45b09516ab42099ea87a_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

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	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe
2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe
2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2588	2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe	30
PID 2716 wrote to memory of 2588	2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe	30
PID 2716 wrote to memory of 2588	2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe	30
PID 2716 wrote to memory of 2588	2716	8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram C:\Users\Admin\AppData\Local\Temp\8961c824564f45b09516ab42099ea87a_JaffaCakes118.exe "8961c824564f45b09516ab42099ea87a_jaffacakes118" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2588

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

Replay Monitor

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Downloads

memory/2716-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2716-0-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-2-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-3-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-4-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2716-6-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-7-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-8-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-9-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-10-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-11-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-12-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-13-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-14-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-15-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-16-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download
memory/2716-17-0x0000000000400000-0x0000000001267000-memory.dmp

Filesize
14.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads