bf3eb0c239e596c0f5ed8111ff4d7308a4929b11ce6f533f2d2b5a160f9b68b8

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19/05/2024, 16:06

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General

Target
5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe
Size 22KB
Sample240519-tj97taed66
SHA256 bf3eb0c239e596c0f5ed8111ff4d7308a4929b11ce6f533f2d2b5a160f9b68b8
MD5 5a3d4c8bc28f30aec3ba8c052e21037c
SHA1 56c88e6d4903da1b624f6393962b14a17ecb320f
SHA512 2e4a8faa3fd897cb32ad2147786fec2a5e31553a51966075ac505bab9deae582e2a8c9b764e3fd8a83be1aa59254fd4e70a3009dd7caf115f82a0708898984f2
SSDEEP 384:HW38FBsd6uPXeWg5pT7UXLwoGlZkFe42ZYycMcydyYjjoLRh0a:5fsEugzAbwHlKUdRK0a
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware persistence stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3416	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xp_system = "C:\\Windows\\inet20072\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\xp_system = "C:\\Windows\\inet20072\\services.exe"	services.exe

Installs/modifies Browser Helper Object 2 TTPs 2 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\{5321E378-FFAD-4999-8C62-03CA8155F0B3}	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5321E378-FFAD-4999-8C62-03CA8155F0B3}\	services.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\inet20072\services.exe	5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe
File opened for modification	C:\Windows\system.ini	services.exe
File created	C:\Windows\inet20072\services.exe	5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	services.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 3416	208	5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe	90
PID 208 wrote to memory of 3416	208	5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe	90
PID 208 wrote to memory of 3416	208	5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a3d4c8bc28f30aec3ba8c052e21037c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:208
- C:\Windows\inet20072\services.exe
  C:\Windows\inet20072\services.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  PID:3416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

services.exe

Path C:\Windows\inet20072\services.exe
Size 22KB
SHA256 bf3eb0c239e596c0f5ed8111ff4d7308a4929b11ce6f533f2d2b5a160f9b68b8
MD5 5a3d4c8bc28f30aec3ba8c052e21037c
SHA1 56c88e6d4903da1b624f6393962b14a17ecb320f
SHA512 2e4a8faa3fd897cb32ad2147786fec2a5e31553a51966075ac505bab9deae582e2a8c9b764e3fd8a83be1aa59254fd4e70a3009dd7caf115f82a0708898984f2
SSDEEP 384:HW38FBsd6uPXeWg5pT7UXLwoGlZkFe42ZYycMcydyYjjoLRh0a:5fsEugzAbwHlKUdRK0a
MD5 SHA1 SHA512 SSDEEP

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads