66ff22370f9b958f52052b0762a2f34f63b84e19dc251628517cb51f3254b88a

General

Target

04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Size

3.1MB
MD5

04cc88eaa4c768221e1089a76b7db6e3
SHA1

345aa4c1a906c149d2546bdadc881366b1cf5e9f
SHA256

66ff22370f9b958f52052b0762a2f34f63b84e19dc251628517cb51f3254b88a
SHA512

e6386e860fe856e831e96ab804e49eeddab6710c41eea372b424fd7df5239bde5727b9ba70695e287e8b94ca1869baf5483a307d0ccd3f05a4741a5aaad23984
SSDEEP

49152:+UJ6ZNXox4SgJhBsfHJq/nCFT4Mv0Pt97f:+tR4xGnCtvwD

Score

10^/10

evasion persistence spyware stealer trojan

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

wininit.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe, cmd.exe /c start c:\\windows\\wininit.exe"	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe, cmd.exe /c start c:\\windows\\wininit.exe"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

svchost.exewininit.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wininit.exe

UAC bypass 3 TTPs 9 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

wininit.exesvchost.exe04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

wininit.exesvchost.exe

pid process

2504 wininit.exe
2624 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe

pid process

2004 04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2504	wininit.exe
2624	svchost.exe

Checks whether UAC is enabled 1 TTPs 6 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exewininit.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	wininit.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Drops file in Windows directory 4 IoCs

Processes:

04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exewininit.exe

description	ioc	process
File created	\??\c:\windows\wininit.exe	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
File opened for modification	\??\c:\windows\wininit.exe	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
File opened for modification	\??\c:\windows\RCX10E2.tmp	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
File opened for modification	\??\c:\windows\wininit.exe	wininit.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exewininit.exesvchost.exe

pid	process
2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
2504	wininit.exe
2504	wininit.exe
2504	wininit.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2504	wininit.exe
2624	svchost.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe
2624	svchost.exe
2504	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

wininit.exesvchost.exe

pid process

2504 wininit.exe
2624 svchost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

wininit.exe

pid process

2504 wininit.exe

pid	process
2504	wininit.exe
2624	svchost.exe

pid	process
2504	wininit.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe

description	pid	process	target process
PID 2004 wrote to memory of 2504	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	wininit.exe
PID 2004 wrote to memory of 2504	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	wininit.exe
PID 2004 wrote to memory of 2504	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	wininit.exe
PID 2004 wrote to memory of 2504	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	wininit.exe
PID 2004 wrote to memory of 2624	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	svchost.exe
PID 2004 wrote to memory of 2624	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	svchost.exe
PID 2004 wrote to memory of 2624	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	svchost.exe
PID 2004 wrote to memory of 2624	2004	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe	svchost.exe

System policy modification 1 TTPs 9 IoCs

evasion

Modify Registry

T1112

Processes:

svchost.exe04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exewininit.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\04cc88eaa4c768221e1089a76b7db6e3_JaffaCakes118.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2004

\??\c:\windows\wininit.exe
c:\windows\wininit.exe
2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2504

\??\c:\users\admin\appdata\local\svchost.exe
c:\users\admin\appdata\local\svchost.exe
2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- System policy modification
PID:2624

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Modify Registry

4

T1112

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

1

T1562.001

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\RCX10E2.tmp
Filesize
3.1MB

MD5
ac514b7f272377ad36f233e0e2c2a08f

SHA1
79ab34745da9261e0d213b1190d16ab93f7d4802

SHA256
56cdc38e50cc6fadd4a8b4a35c3ec1adc956f00d3aeeb1b2decb3990bc3a5010

SHA512
24c323d7a199f3ed30531d6d93e0c25c5b6e2dbea84667963853e3fd9028786f647dac3d61b76b2b574016f556320e814e40008776488e6cd47a4dfab1225158

Download Submit
C:\Windows\wininit.exe
Filesize
3.1MB

MD5
04cc88eaa4c768221e1089a76b7db6e3

SHA1
345aa4c1a906c149d2546bdadc881366b1cf5e9f

SHA256
66ff22370f9b958f52052b0762a2f34f63b84e19dc251628517cb51f3254b88a

SHA512
e6386e860fe856e831e96ab804e49eeddab6710c41eea372b424fd7df5239bde5727b9ba70695e287e8b94ca1869baf5483a307d0ccd3f05a4741a5aaad23984

Download Submit
memory/2004-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2004-40-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2504-42-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2504-52-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2504-64-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2624-43-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2624-53-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads