blustealer | 1fbc3ddcd892c868cab037f43fcee5cd1dd67f5ce0ac882d851603bdc934ec43

Analysis

max time kernel
95s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 00:16

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General

Target

bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
Size

733KB
MD5

bad8d6137259ef83582abfea9f4b2f17
SHA1

06af0f72796e977537be7235960326137e1cb821
SHA256

1fbc3ddcd892c868cab037f43fcee5cd1dd67f5ce0ac882d851603bdc934ec43
SHA512

24c7a7f361ffc5f283c867b6c132d54c39a1c443cb8703415a93159ce3fb153e622a29493f9817a891dd10b50abb16b73ee0de8433d9a65af77c8c8cdb1faa22
SSDEEP

12288:QzpM6vs9z8N5ndgaIgAz0ioW608I5dgytMveLBxuff3p3qyrOQKCFLSjTMJxtU1:m7sK5maIgdioWCI5d9keLBxuff3p3qyG

Score

10^/10

blustealer discovery persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.club
Port:
587
Username:
[email protected]
Password:
BqYD=SYf~ueg

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3668 set thread context of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100

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	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1648	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100
PID 3668 wrote to memory of 1648	3668	bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_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:3668
- C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\bad8d6137259ef83582abfea9f4b2f17_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1648

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/1648-2387-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1648-2391-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3668-53-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-2390-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3668-4-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

Filesize
40KB

Download
memory/3668-5-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3668-6-0x0000000005CF0000-0x0000000005D66000-memory.dmp

Filesize
472KB

Download
memory/3668-7-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3668-8-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3668-9-0x0000000005D70000-0x0000000005E1A000-memory.dmp

Filesize
680KB

Download
memory/3668-10-0x0000000005CC0000-0x0000000005CDE000-memory.dmp

Filesize
120KB

Download
memory/3668-11-0x00000000060E0000-0x0000000006158000-memory.dmp

Filesize
480KB

Download
memory/3668-29-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-27-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-75-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-71-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-69-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-67-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3668-63-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-61-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-59-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-57-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-55-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-47-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-3-0x0000000004AF0000-0x0000000004B82000-memory.dmp

Filesize
584KB

Download
memory/3668-65-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-45-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-43-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-41-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-39-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-37-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-35-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-33-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-31-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-25-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-23-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-22-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-19-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-17-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-15-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-13-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-73-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-49-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-12-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-2-0x0000000004FC0000-0x0000000005564000-memory.dmp

Filesize
5.6MB

Download
memory/3668-51-0x00000000060E0000-0x0000000006152000-memory.dmp

Filesize
456KB

Download
memory/3668-1-0x0000000000190000-0x000000000024C000-memory.dmp

Filesize
752KB

Download