blustealer | b6df7c082c500ca77f9530f0b6954d6d8d997ff3565bd2be5f18d3363d50d7e0

Analysis

max time kernel
133s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 10:21

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General

Target

6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe
Size

661KB
MD5

6a07df8810ab9c4141ad36279d406b96
SHA1

dfb0108fdc4ccb0fb10090a51ef1685f6efc0b53
SHA256

b6df7c082c500ca77f9530f0b6954d6d8d997ff3565bd2be5f18d3363d50d7e0
SHA512

fd0f343b531adc7374c2963f3dd4abea9006f06130c5883a75129046d5883db573194e93f92f98df9458fbf8255ffdb31b2f8f8115cd37b6398626fe5e9dfc48
SSDEEP

12288:bUQDjg+65t+UW19qnOVPLQz3qeeitZJ9xrhNgL+H6IBOjwPeMK:bnyWPxVPLlzI1rhqyJUWeM

Score

10^/10

blustealer discovery persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.xyz
Port:
587
Username:
[email protected]
Password:
(mr.GT^Eg#C6

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3988 set thread context of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104

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	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe
3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4944	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104
PID 3988 wrote to memory of 4944	3988	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	104

C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4944

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

Replay Monitor

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Downloads

memory/3988-51-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-1956-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3988-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/3988-3-0x0000000005000000-0x0000000005092000-memory.dmp

Filesize
584KB

Download
memory/3988-4-0x0000000004F50000-0x0000000004F5A000-memory.dmp

Filesize
40KB

Download
memory/3988-5-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3988-6-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/3988-7-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3988-8-0x0000000006160000-0x0000000006202000-memory.dmp

Filesize
648KB

Download
memory/3988-9-0x0000000006480000-0x00000000064E6000-memory.dmp

Filesize
408KB

Download
memory/3988-13-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-23-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-73-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-71-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-69-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-67-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/3988-63-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-61-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-59-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-55-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-53-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-47-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-1-0x0000000000630000-0x00000000006DC000-memory.dmp

Filesize
688KB

Download
memory/3988-65-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-45-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-43-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-41-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-39-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-37-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-33-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-31-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-29-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-27-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-25-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-21-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-19-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-17-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-15-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-57-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-35-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-11-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-10-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/3988-49-0x0000000006480000-0x00000000064E1000-memory.dmp

Filesize
388KB

Download
memory/4944-1954-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4944-1957-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download