e130a1944cee1aa735eb7b0192cf8f86b8b4c1c9ba272b8312a4230853c9e451

Analysis

max time kernel
95s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 18:39

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General

Target

101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
Size

272KB
MD5

101902fc66b0cb3466fa10a06279abe9
SHA1

5a18a6a68113fcd89734adbf6b28f75485369fa5
SHA256

e130a1944cee1aa735eb7b0192cf8f86b8b4c1c9ba272b8312a4230853c9e451
SHA512

980db88a774f549d114f36ee5fa9171c9e761b43dbdb6baa4700702731d05cc73c2f1c26eb12ed7b971edb04b83ecd5c147071ccb4983cf6cf0498df6df55db3
SSDEEP

6144:m1tPJmIuHYCPx2/JGkPXQSQiErjwo9aXs1jLaGQyR5YETD8i6z:mtBmXh6QiE3MXsB5QyR5YETDW

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	uninstall.exe

Executes dropped EXE 1 IoCs

pid	Process
4496	uninstall.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Writes to the Master Boot Record (MBR) 1 TTPs 2 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	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	uninstall.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	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	uninstall.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	uninstall.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4496	uninstall.exe
4496	uninstall.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 4496	1952	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe	82
PID 1952 wrote to memory of 4496	1952	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe	82
PID 1952 wrote to memory of 4496	1952	101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Users\Admin\AppData\Local\Temp\uninstall.exe
  C:\Users\Admin\AppData\Local\Temp\uninstall.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\uninstall.exe

Filesize
272KB

MD5
101902fc66b0cb3466fa10a06279abe9

SHA1
5a18a6a68113fcd89734adbf6b28f75485369fa5

SHA256
e130a1944cee1aa735eb7b0192cf8f86b8b4c1c9ba272b8312a4230853c9e451

SHA512
980db88a774f549d114f36ee5fa9171c9e761b43dbdb6baa4700702731d05cc73c2f1c26eb12ed7b971edb04b83ecd5c147071ccb4983cf6cf0498df6df55db3

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