62d4c4eecedb1cce9571f9dcd151a27a6240f00e49b442c1ca44b0b7e3b2ebb6

Analysis

max time kernel
140s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 09:06

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General

Target

fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Size

84KB
MD5

fbf5d7ff0bb715183487702e48fe7954
SHA1

7e3875c7064408d513db7c329906078cd305bd4a
SHA256

62d4c4eecedb1cce9571f9dcd151a27a6240f00e49b442c1ca44b0b7e3b2ebb6
SHA512

fb391e8c4f486700bd5e50154ce6a5f675cd399b9f95d6f37d260dc45f83a4a672f6547c1b4587dd6a2dbe4aaacbacec60de50c3e58c2f5c49a595b14520079e
SSDEEP

1536:MxQdIE0gf0z/fW3gryn48yxfLYLN8kWupygvFzokfSiKmbUt:MxvEHMz/u3ge48GDYLNdhvF3It

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MstInit = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\mstinit.exe /waitservice"	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Esent Utl = "C:\\Users\\Admin\\LOCALS~1\\APPLIC~1\\MICROS~1\\esentutl.exe /waitservice"	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\mstinit.exe	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1468	mstinit.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\comrepl.exe	fbf5d7ff0bb715183487702e48fe7954_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	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstinit.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ComRepl = "C:\\Windows\\comrepl.exe /waitservice"	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 1468	4752	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe	84
PID 4752 wrote to memory of 1468	4752	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe	84
PID 4752 wrote to memory of 1468	4752	fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fbf5d7ff0bb715183487702e48fe7954_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Drivers directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\SysWOW64\drivers\mstinit.exe
  C:\Windows\System32\drivers\mstinit.exe /waitservice
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1468

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

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

C:\Users\Admin\AppData\Local\MICROS~1\mstinit.exe

Filesize
84KB

MD5
fbf5d7ff0bb715183487702e48fe7954

SHA1
7e3875c7064408d513db7c329906078cd305bd4a

SHA256
62d4c4eecedb1cce9571f9dcd151a27a6240f00e49b442c1ca44b0b7e3b2ebb6

SHA512
fb391e8c4f486700bd5e50154ce6a5f675cd399b9f95d6f37d260dc45f83a4a672f6547c1b4587dd6a2dbe4aaacbacec60de50c3e58c2f5c49a595b14520079e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads