blustealer | d4ac60606ebb8df8a2b8d311c9262442978eeb65067e8940283e3a132efb2525

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 08:39

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General

Target

78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
Size

740KB
MD5

78b2374d9d1810345aa8633ba8282a57
SHA1

4661b629995f3c4110b66afd4df827870923e47c
SHA256

d4ac60606ebb8df8a2b8d311c9262442978eeb65067e8940283e3a132efb2525
SHA512

7c65e51e28b884c948410f237e9e21e3a055b399373b97169327049480b36f5d9c2bc8bc2c6d037eb2a4cfea47b679868e35ad92275a5c314a94abc7209bf647
SSDEEP

12288:+4JQ/AKt4AXV5nLrrxeK0wBl7zCzbJqmyegzGHFWGpqqENvK0rCIkEytW3spU1:9J+tBXV5n506CzvgyHUu7ENy0rdkEk61

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
Blustealer family
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\""	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32

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	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
10040	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 10032	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	31
PID 2236 wrote to memory of 10032	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	31
PID 2236 wrote to memory of 10032	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	31
PID 2236 wrote to memory of 10032	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	31
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32
PID 2236 wrote to memory of 10040	2236	78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57_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:2236
- C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
  2⤵
  PID:10032
- C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\78b2374d9d1810345aa8633ba8282a57_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:10040

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/2236-50-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-3-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2236-2-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-46-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-4-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-5-0x0000000004EF0000-0x0000000004F9A000-memory.dmp

Filesize
680KB

Download
memory/2236-6-0x0000000000DE0000-0x0000000000E58000-memory.dmp

Filesize
480KB

Download
memory/2236-7-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-8-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-24-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-42-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-48-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-10-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-16-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-18-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-44-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-58-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-56-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-54-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-52-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-2412-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-1-0x0000000000FB0000-0x000000000106C000-memory.dmp

Filesize
752KB

Download
memory/2236-14-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-40-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-38-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-36-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-34-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-32-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-30-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-28-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-26-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-22-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-20-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-12-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-71-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-68-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-66-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-64-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-62-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-60-0x0000000000DE0000-0x0000000000E53000-memory.dmp

Filesize
460KB

Download
memory/2236-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/10040-2410-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/10040-2413-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download