21ea3e0d4e4a57c3833f4c69740997880634ad49b07fae2d9c1b93ac9c3ce60d

General

Target

b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
Size

96KB
MD5

b4e85da551938c94bf7c6325df57a4af
SHA1

749016c3beed41004e5439939b2b5e41ac4643ce
SHA256

21ea3e0d4e4a57c3833f4c69740997880634ad49b07fae2d9c1b93ac9c3ce60d
SHA512

077407c27ad2f7cb3d7d01a3a081950d20296fc342d5ef7e4d7c2b190cc73347c056a33a083d04d524afc2413372ba56a683fdabe589251acfbc915a672d1a0b
SSDEEP

1536:rD1i2vPS2G9gpSZmiSjrk1R+7R4I6xqEAHiZfxC4tgGS432a1aDcIS+YD:Ni2Hcg80jg1R+94I6xqEpjm432a1aD3q

Score

10^/10

discovery evasion trojan

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wscntfy.exe	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wscntfy.exe	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 4 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\PhishingFilter	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\PhishingFilter\Enabled = "0"	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\PhishingFilter	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\PhishingFilter\Enabled = "0"	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\Enabled = "0"	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Internet Explorer\PhishingFilter	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2164	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
2164	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b4e85da551938c94bf7c6325df57a4af_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- UAC bypass
- Checks whether UAC is enabled
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer Phishing Filter
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2164