e5698e6d037db7f1c0190a7c2861a1d6774d1d651d285b2866b469c701abb629

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 08:13

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General

Target

40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe
Size

244KB
MD5

40e18a4f0cdf91736ae74047318146cb
SHA1

c94a4ec1a76dbb6155c8e488f79ae26441bcce32
SHA256

e5698e6d037db7f1c0190a7c2861a1d6774d1d651d285b2866b469c701abb629
SHA512

60745f974531ae29cda5d27929b7e0191c1e8368d1859150b67cbfc72efc57e826519739161583716fe0a996761427ea97356731c2dc0c4a698eb3b63a74276f
SSDEEP

3072:e9E83GvJFgmldk35/RIxQwPntqdaCJzrUQy/sGz3/gTEzo1G4hUzIzajbFvEWtwt:e9YhFgmldk3hRyQWtqdFJLyk51Y+u/4

Score

7^/10

bootkit 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	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	uninstall.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	uninstall.exe

Loads dropped DLL 4 IoCs

pid	Process
2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe
2572	uninstall.exe
2572	uninstall.exe
2572	uninstall.exe

Reads user/profile data of web browsers 2 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

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	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	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	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	40e18a4f0cdf91736ae74047318146cb_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 1 IoCs

pid	Process
2572	uninstall.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2572	2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2572	2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2572	2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2572	2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2572	2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2572	2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2572	2560	40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40e18a4f0cdf91736ae74047318146cb_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2560
- 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
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2572

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
244KB

MD5
40e18a4f0cdf91736ae74047318146cb

SHA1
c94a4ec1a76dbb6155c8e488f79ae26441bcce32

SHA256
e5698e6d037db7f1c0190a7c2861a1d6774d1d651d285b2866b469c701abb629

SHA512
60745f974531ae29cda5d27929b7e0191c1e8368d1859150b67cbfc72efc57e826519739161583716fe0a996761427ea97356731c2dc0c4a698eb3b63a74276f

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