47eb66bcb2a953848bf88ab5ffe0b19695b425bd6dd9ebc2ecb846930e6a3cbf

General

Target

ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
Size

56KB
MD5

ed8689f4eb6c37aab8b3958a6c394d7b
SHA1

91bb09cfa1afebd160eb34c7e84af5fcb60820f2
SHA256

47eb66bcb2a953848bf88ab5ffe0b19695b425bd6dd9ebc2ecb846930e6a3cbf
SHA512

f33c2027ff37a8c3b24b63aac4391e154a35a82a5f72494c918e11a06fdf0c34361330dae226c5f04b82b682fee87a3de19889c4356c65e40deb2ea8aaf6c3aa
SSDEEP

1536:DoetNJ4Te4ZVpx7aeoL723BWQR76sTkIVCP:DoGoBWQRIIV

Score

10^/10

adware discovery persistence stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\drivers\spools.exe	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000015f4e-2.dat	acprotect
behavioral1/memory/1152-6-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect
behavioral1/memory/1152-7-0x0000000010000000-0x000000001010B000-memory.dmp	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\Admin\\cftmon.exe \"%1\" %*"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000015f4e-2.dat	upx
behavioral1/memory/1152-6-0x0000000010000000-0x000000001010B000-memory.dmp	upx
behavioral1/memory/1152-7-0x0000000010000000-0x000000001010B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\OptionalComponents\MAPI	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\OptionalComponents	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\OptionalComponents\IMAIL	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\OptionalComponents\MSFS	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	reg.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ftp34.dll	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Users\\Admin\\cftmon.exe \"%1\" %*"	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2784	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	31
PID 1152 wrote to memory of 2784	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	31
PID 1152 wrote to memory of 2784	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	31
PID 1152 wrote to memory of 2784	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	31
PID 1152 wrote to memory of 2800	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	32
PID 1152 wrote to memory of 2800	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	32
PID 1152 wrote to memory of 2800	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	32
PID 1152 wrote to memory of 2800	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	32
PID 1152 wrote to memory of 2812	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	33
PID 1152 wrote to memory of 2812	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	33
PID 1152 wrote to memory of 2812	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	33
PID 1152 wrote to memory of 2812	1152	ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed8689f4eb6c37aab8b3958a6c394d7b_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Modifies system executable filetype association
- Adds Run key to start application
- Modifies WinLogon
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  PID:2784
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /f
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /f
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

Browser Extensions

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

6

T1112

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

\Windows\SysWOW64\ftp34.dll

Filesize
5KB

MD5
f8d7561f0c474d855c0c37e74077ae8f

SHA1
61ee81489f4bdc642fb5d3b72a4c85ec68cefa2b

SHA256
bd0681b6f3278a0bb82cbfe8ad2d77dd536ac5540bdfa45ec4c732d317830612

SHA512
f717721623bce1f3bef7ab3e56a6827ab4744e4de42bb8b7f67dd555ac9c3ddaa0b2357405e832aa616105cb425e30858e8bf5c9c637f170be9c4fe59871d7ea

Download Submit
memory/1152-6-0x0000000010000000-0x000000001010B000-memory.dmp

Filesize
1.0MB

Download
memory/1152-7-0x0000000010000000-0x000000001010B000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads