blustealer | b6df7c082c500ca77f9530f0b6954d6d8d997ff3565bd2be5f18d3363d50d7e0

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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-1-5-21-2872745919-2748461613-2989606286-1000\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 1972 set thread context of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31

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
1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe
1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
9496	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31
PID 1972 wrote to memory of 9496	1972	6a07df8810ab9c4141ad36279d406b96_JaffaCakes118.exe	31

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:1972
- 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:9496

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/1972-46-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-3-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/1972-2-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1972-44-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-4-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1972-5-0x0000000004C10000-0x0000000004CB2000-memory.dmp

Filesize
648KB

Download
memory/1972-6-0x0000000005010000-0x0000000005076000-memory.dmp

Filesize
408KB

Download
memory/1972-30-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-70-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-68-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-66-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-64-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-62-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-60-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-58-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-42-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-54-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-52-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-50-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-48-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-1962-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/1972-1-0x0000000000F70000-0x000000000101C000-memory.dmp

Filesize
688KB

Download
memory/1972-56-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-40-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-38-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-36-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-34-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-32-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-28-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-26-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-24-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-22-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-20-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-18-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-16-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-14-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-12-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-10-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-8-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-7-0x0000000005010000-0x0000000005071000-memory.dmp

Filesize
388KB

Download
memory/1972-0-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/9496-1959-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/9496-1963-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download