e944f5fba565a5bc066c3271f99712568e47825218df9c2271b10398cba8ad54

General

Target

5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
Size

19KB
MD5

5d1ed1fb0ceb8e7fb406a2e5472a10c1
SHA1

1a2315d9c717682ff301eba15b6b1ba772db6ef7
SHA256

e944f5fba565a5bc066c3271f99712568e47825218df9c2271b10398cba8ad54
SHA512

e20c71ceaa9a29da8579d83c7293a1dbe7ad0e81814d32cd6baba85e05d74589def1c2625dd2dbafc27b80fea7f787a64ce878c4f5a5e542be117a9df2767213
SSDEEP

384:Pwrm3OOanxIkqdsDPUOz0GCIaZ4thGlXFtq8Wp8iKQoRP0W2UWM:PwqHaxFSuUJGMZsGlXFtq8WpNkPIG

Score

10^/10

evasion trojan

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4944	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
4944	explorer.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	explorer.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\service\explorer.exe	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\service\explorer.exe	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\service\dllp.txt	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3188	4944	WerFault.exe	87

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 4944	5000	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe	87
PID 5000 wrote to memory of 4944	5000	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe	87
PID 5000 wrote to memory of 4944	5000	5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\SysWOW64\service\explorer.exe
  "C:\Windows\system32\service\explorer.exe" C:\Users\Admin\AppData\Local\Temp\5d1ed1fb0ceb8e7fb406a2e5472a10c1_JaffaCakes118.exe
  2⤵
  - Modifies firewall policy service
  - Windows security bypass
  - Deletes itself
  - Executes dropped EXE
  - Windows security modification
  - Drops file in System32 directory
  PID:4944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 668
    3⤵
    - Program crash
    PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4944 -ip 4944
1⤵
PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

3

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\service\explorer.exe

Filesize
19KB

MD5
5d1ed1fb0ceb8e7fb406a2e5472a10c1

SHA1
1a2315d9c717682ff301eba15b6b1ba772db6ef7

SHA256
e944f5fba565a5bc066c3271f99712568e47825218df9c2271b10398cba8ad54

SHA512
e20c71ceaa9a29da8579d83c7293a1dbe7ad0e81814d32cd6baba85e05d74589def1c2625dd2dbafc27b80fea7f787a64ce878c4f5a5e542be117a9df2767213

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads