1e9b1b15ecfec97676fb34d812eaecd96816dacba7faec43442b1324a670486e

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 23:47

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General

Target

763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe
Size

251KB
MD5

763faa83f40257c193f073bd54b0f5de
SHA1

a6769a66b377ca7791303bc880a260284b93aa87
SHA256

1e9b1b15ecfec97676fb34d812eaecd96816dacba7faec43442b1324a670486e
SHA512

8aecbce34ea1818ee7d7f808cf0be573a796284728da868ee67e6f9f0b17e4ae018eedf5ebb55375889e372e39fa4dd48893ecd60e88a685bda72ebeea379c94
SSDEEP

3072:ZFF++3/4VEav0dEixtdrze+rsXSyLoz2B4iS06RA6o6jlKZwoOkWUEvRouccMU4d:ZiogVEavixTDy1h8Rm4l9hkW5RouRm

Score

8^/10

adware discovery persistence stealer

Malware Config

Signatures

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\system32\\ctfmon_xp.exe"	regsvr32.exe

Loads dropped DLL 1 IoCs

pid	Process
2480	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\IExplore = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0CFFA2F1-063D-399E-AC70-55B7870D0494}	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\gr47170.dll	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ctfmon_xp.exe	regsvr32.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 2 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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe

Modifies registry class 41 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\ProgID\ = "D.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\ = "LIB"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\TypeLib\ = "{F5467299-D8E0-3220-BEF4-EB187B80E4AC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\ = "IDOMPeek"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{0CFFA2F1-063D-399E-AC70-55B7870D0494}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\InprocServer32\ = "C:\\Windows\\SysWow64\\gr47170.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\ = "IDOMPeek"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\VersionIndependentProgID\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{0CFFA2F1-063D-399E-AC70-55B7870D0494}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\gr47170.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\TypeLib\ = "{F5467299-D8E0-3220-BEF4-EB187B80E4AC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0CFFA2F1-063D-399E-AC70-55B7870D0494}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F5467299-D8E0-3220-BEF4-EB187B80E4AC}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{068AAA63-4CED-312F-9081-B2FDA285EF6F}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2480	1984	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2480	1984	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2480	1984	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2480	1984	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2480	1984	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2480	1984	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2480	1984	763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\763faa83f40257c193f073bd54b0f5de_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\gr47170.dll
  2⤵
  - Event Triggered Execution: Image File Execution Options Injection
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\gr47170.dll

Filesize
232KB

MD5
7301cfadd110dbc9299c811036c8a252

SHA1
0c1890b0dbe4bf4509abaea7fd6b3d6bb74e2236

SHA256
9ca261dfb454348f900b54ed07b3450154bee8b31a424002b9db7e0693b714e7

SHA512
af0a24f07a2be3b734b8ca82b260f8f48ca8322bc5efb897274c791f7fdba6a7fe76e865188298ea5fc459d4d3834b48102bf71ff83e37cc0c4fc39212797871

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads