f94b4de3afbb7359713dc9bf1eb082da34eee272898d4d9e21e294b44d1e1d42

Analysis

max time kernel
132s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 08:01

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General

Target

1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
Size

32KB
MD5

1a86f5159d4eb8ca203f69d11efe5cc6
SHA1

8526e3febfd0df033e5ffdcdf8b2a3daf7aa5733
SHA256

f94b4de3afbb7359713dc9bf1eb082da34eee272898d4d9e21e294b44d1e1d42
SHA512

8ddc13b0e555a17cb033f0f723c4824d5f146745470cec1ad4c1c55ce5a76a7e7aa1b04a6af61ad18f1eb10084905f1aabcc812cfdf5bd1fbc5b17baa8f4b39b
SSDEEP

768:NdFibdzyHOCL/bqYTg8Mv5aXbI+jLb0xZFjIbAuBr1V0Lz:bYbdzyu+PEHmbJ4x3IEO1V0H

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1916-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1916-1-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/1780-3-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{D47A61B8-0EAB-417F-8DF4-5C949982A2AF}	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

Drops file in Program Files directory 3 IoCs

Processes:

1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files\Internet Explorer\PLUGINS\WindowNt64.Jmp	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
File created	C:\Program Files\Internet Explorer\PLUGINS\Windows64.Sys	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
File created	C:\Program Files\Internet Explorer\PLUGINS\WindowNt64.Jmp	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

Modifies registry class 5 IoCs

Processes:

1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D47A61B8-0EAB-417F-8DF4-5C949982A2AF}\InProcServer32	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D47A61B8-0EAB-417F-8DF4-5C949982A2AF}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\Windows64.Sys"	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D47A61B8-0EAB-417F-8DF4-5C949982A2AF}\InProcServer32\ThreadingModel = "Apartment"	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D47A61B8-0EAB-417F-8DF4-5C949982A2AF}	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D47A61B8-0EAB-417F-8DF4-5C949982A2AF}\	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

description	pid	process	target process
PID 1916 wrote to memory of 1780	1916	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
PID 1916 wrote to memory of 1780	1916	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
PID 1916 wrote to memory of 1780	1916	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe	1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1916

C:\Users\Admin\AppData\Local\Temp\1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a86f5159d4eb8ca203f69d11efe5cc6_JaffaCakes118.exe" Z
2⤵
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies registry class
PID:1780

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1780-3-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1916-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1916-1-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download