e1b3b8aa163cc3113095714cd370dd11e6b9647356d73d49d0bebacff951005c

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 02:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
Size

44KB
MD5

278b149e1ad153373e8f0dd292baa94d
SHA1

57ac1a905d37a126313b545878dc9bccd7493522
SHA256

e1b3b8aa163cc3113095714cd370dd11e6b9647356d73d49d0bebacff951005c
SHA512

b7950d86d19cebaee62f119238cf02b5b6a7af8694174922277e091f5c65b704d63d7efdafe2dfed85aa0755af597961ad2505ecc1b43b3b1d3f67387102bd8a
SSDEEP

768:ULq06gCeVaKY7HxxgycnVMh9BwyGK2Bn0nFgJhcthlVCUJeKJkuN+ALAx9b:vFK88/Oh9BwV6nKJhcayx8AU3b

Score

10^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exeC:\\Users\\Admin\\AppData\\Roaming\\appconf32.exe,"	TSTheme.exe

Deletes itself 1 IoCs

pid	Process
2688	TSTheme.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 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	TSTheme.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	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TSTheme.exe

Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	TSTheme.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	TSTheme.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main	TSTheme.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe
2688	TSTheme.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2688	2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe	30
PID 2764 wrote to memory of 2688	2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe	30
PID 2764 wrote to memory of 2688	2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe	30
PID 2764 wrote to memory of 2688	2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe	30
PID 2764 wrote to memory of 2688	2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe	30
PID 2764 wrote to memory of 2688	2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe	30
PID 2764 wrote to memory of 2688	2764	JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_278b149e1ad153373e8f0dd292baa94d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Windows\SysWOW64\TSTheme.exe
  C:\Windows\system32\TSTheme.exe
  2⤵
  - Modifies WinLogon for persistence
  - Deletes itself
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer Protected Mode
  - Modifies Internet Explorer Protected Mode Banner
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2688-1-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2688-3-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2688-5-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2688-7-0x00000000774A1000-0x00000000774A2000-memory.dmp

Filesize
4KB

Download
memory/2688-8-0x0000000077490000-0x00000000775A0000-memory.dmp

Filesize
1.1MB

Download
memory/2688-9-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2688-17-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2688-13-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/2764-0-0x0000000000401000-0x000000000040C000-memory.dmp

Filesize
44KB

Download
memory/2764-4-0x0000000000401000-0x000000000040C000-memory.dmp

Filesize
44KB

Download