9961f55767cc2a59985ed2063b9601ea1e1a7d49c17ae2ea8c21f56960082959

Analysis

max time kernel
135s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 18:53

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General

Target

70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Size

72KB
MD5

70d0b8091f16ca3a337bb4ba453df440
SHA1

e2f4023e30ade97e46a8cfe4ed8572afe49ca9e7
SHA256

9961f55767cc2a59985ed2063b9601ea1e1a7d49c17ae2ea8c21f56960082959
SHA512

5a5ec89f369353cb41e2ed49b83650ca5ac7826fe403e497208d34b4768d8b36919ff9781264bd1fafa0cf402c9f60e00f1514538181611f6dd3fcbf58e4298c
SSDEEP

1536:/+bH1XwWKi1sIwO+X4HyaDqpsu/eAgxyAzeWFYvPMG0PWKGxk0p:/+j9wWVsxf8u/evobWFE0PQ9p

Score

8^/10

adware defense_evasion discovery stealer upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/112-0-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/112-4-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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 created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0cb15ba-6092-444b-935f-6060e8b1179f}	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\l.dll	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\hosts	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\hosts	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe

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	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0cb15ba-6092-444b-935f-6060e8b1179f}	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0cb15ba-6092-444b-935f-6060e8b1179f}\InProcServer32	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0cb15ba-6092-444b-935f-6060e8b1179f}\InProcServer32\ = "C:\\Windows\\SysWow64\\l.dll"	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0cb15ba-6092-444b-935f-6060e8b1179f}\InProcServer32\ThreadingModel = "Apartment"	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 5016	112	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe	84
PID 112 wrote to memory of 5016	112	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe	84
PID 112 wrote to memory of 5016	112	70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\SysWOW64\cmd.exe
  /c del "C:\Users\Admin\AppData\Local\Temp\70d0b8091f16ca3a337bb4ba453df440_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/112-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/112-4-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download