1b3daea4129fbeefa5ea8d8f360c2f678c7b61e338c7bfd9010f63df99d0255e

General

Target

dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Size

1.4MB
MD5

dfcdf24b6d8898899ad8308fad3131f1
SHA1

df7746ed655a06e3d1000964714bf5e9cc49bb85
SHA256

1b3daea4129fbeefa5ea8d8f360c2f678c7b61e338c7bfd9010f63df99d0255e
SHA512

1134434e594728b0b9414809d4cc5462e0fa1aeb89a1d61ecb50cbcc0d6c7fa644a8d7b4c72dd29d08db745a6ae0bdb94cba48eb4d95bdad4d47542434d4ac93
SSDEEP

12288:ijkArEN249AyE/rbaMct4bO2/VlT2ENaep9VVVV9V9RVVRRVp:VFE//Tct4bOsGmN

Score

10^/10

discovery persistence spyware 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 chrome9.exe"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Search bar.lnk	dfcdf24b6d8898899ad8308fad3131f1_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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4876-0-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral2/memory/4876-14-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral2/memory/4876-15-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral2/files/0x000b000000023ba1-16.dat	upx
behavioral2/memory/4876-31-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral2/memory/4876-34-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral2/memory/4876-37-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral2/memory/4876-40-0x0000000000400000-0x00000000004FB000-memory.dmp	upx
behavioral2/memory/4876-41-0x0000000000400000-0x00000000004FB000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\SysWOW64\\chrome9.exe"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\w:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\i:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\o:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\t:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\s:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\u:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\a:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\m:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\q:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\n:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\r:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\x:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\y:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\b:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\e:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\j:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\l:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\p:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\v:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\z:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\g:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\h:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened (read-only)	\??\k:	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

AutoIT Executable 7 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4876-14-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral2/memory/4876-15-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral2/memory/4876-31-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral2/memory/4876-34-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral2/memory/4876-37-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral2/memory/4876-40-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe
behavioral2/memory/4876-41-0x0000000000400000-0x00000000004FB000-memory.dmp	autoit_exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\chrome9.exe	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\chrome9.exe	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\browserconfig.properties	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\chrome9.exe	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
File opened for modification	C:\Windows\chrome9.exe	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	at.exe

Modifies Internet Explorer settings 1 TTPs 14 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.chrome10.com/"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://www.chrome10.com/"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://www.chrome10.com/"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RunOnceComplete = "1"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RunOnceHasShown = "1"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Internet Explorer\Main	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\RunOnceHasShown = "1"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.google.com/cse?cx=partner-pub-7540767664255737:njl6z3-o53u&ie=ISO-8859-1&q={searchTerms}&sourceid=ie7&rls=com.microsoft:{language}:{referrer:source}&ie={inputEncoding?}&oe={outputEncoding?}"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\RunOnceComplete = "1"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.google.com/cse?cx=partner-pub-7540767664255737:njl6z3-o53u&ie=ISO-8859-1&q={searchTerms}&sourceid=ie7&rls=com.microsoft:{language}:{referrer:source}&ie={inputEncoding?}&oe={outputEncoding?}"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.chrome10.com/"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.chrome10.com/"	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 5024	4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe	85
PID 4876 wrote to memory of 5024	4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe	85
PID 4876 wrote to memory of 5024	4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe	85
PID 5024 wrote to memory of 3088	5024	cmd.exe	87
PID 5024 wrote to memory of 3088	5024	cmd.exe	87
PID 5024 wrote to memory of 3088	5024	cmd.exe	87
PID 4876 wrote to memory of 2764	4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe	88
PID 4876 wrote to memory of 2764	4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe	88
PID 4876 wrote to memory of 2764	4876	dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe	88
PID 2764 wrote to memory of 2840	2764	cmd.exe	90
PID 2764 wrote to memory of 2840	2764	cmd.exe	90
PID 2764 wrote to memory of 2840	2764	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dfcdf24b6d8898899ad8308fad3131f1_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C AT /delete /yes
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\SysWOW64\at.exe
    AT /delete /yes
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3088
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\SysWOW64\chrome9.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\at.exe
    AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\SysWOW64\chrome9.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

4

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\chrome9.exe

Filesize
1.4MB

MD5
dfcdf24b6d8898899ad8308fad3131f1

SHA1
df7746ed655a06e3d1000964714bf5e9cc49bb85

SHA256
1b3daea4129fbeefa5ea8d8f360c2f678c7b61e338c7bfd9010f63df99d0255e

SHA512
1134434e594728b0b9414809d4cc5462e0fa1aeb89a1d61ecb50cbcc0d6c7fa644a8d7b4c72dd29d08db745a6ae0bdb94cba48eb4d95bdad4d47542434d4ac93

Download Submit
memory/4876-0-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/4876-14-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/4876-15-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/4876-31-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/4876-34-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/4876-37-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/4876-40-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/4876-41-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads