322de79c2828189330d95ca8acf319d50ec4dfede38a92950674debe8e2390ed

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 07:27

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General

Target

JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe
Size

178KB
MD5

8a721c920aa6948d6f07dd4076648640
SHA1

95042744d0662b64a87457cba20ec858d93d4ab5
SHA256

322de79c2828189330d95ca8acf319d50ec4dfede38a92950674debe8e2390ed
SHA512

1290190d8e360b57c8025779d3dd977cc1ee0a6e60a65647616c95fc91ec74bbb1dff342f362335ddd86dfe215a4b0e338cf3865f2802744f9eb22439fcb7444
SSDEEP

3072:kYKxTiKHYH4W3FGaHqqe4MLajTYESkISXF1dTSwhieephzP/KfexkV4d:B0TNjW3FGaHq27jkE9ISXNTSwhieghrl

Score

8^/10

bootkit discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchost.exe\Parameters\ServiceDLL = "C:\\Program Files\\Common Files\\Microsoft Shared\\MSInfo\\B1TtlWrW.dll"	JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	svchost.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\L6BTfQiHT5.ini	JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\B1TtlWrW.dll	JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\L6BTfQiHT5.del	JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2368	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	264	JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2368	svchost.exe
2368	svchost.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a721c920aa6948d6f07dd4076648640.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:264

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files\Common Files\Microsoft Shared\MSInfo\B1TtlWrW.dll

Filesize
144KB

MD5
c5977044c0640036baf601775b2d4d3a

SHA1
bcb9d889140b6a81ccc6c0532580d2d21619ddba

SHA256
ffd6c58bb228649a6b6bc0871eb2c18897633d03ce62359982244c771622cede

SHA512
5e4eac90cad9d154c663df3287e12740420845d9d231fe66d4a30692afe69591ba4308086f96cc272aa5b9ec702aa39e947702f51f29a17335ea1c3782caf387

Download Submit
memory/264-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/264-1-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/264-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/264-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/264-7-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/264-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download