blustealer | 01dccd80e7c6948853bacb394d25995d5886f84c05bfbb506b4c5862d8221901

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 02:05

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General

Target

f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe
Size

715KB
MD5

f6ca0052f508770f499eaddb5dfdefa5
SHA1

83b1cdaa08b1e5c32b5baed55c22608ce9d01944
SHA256

01dccd80e7c6948853bacb394d25995d5886f84c05bfbb506b4c5862d8221901
SHA512

cc6c3739d611d66a7b3aeb248212c97cad3341e989d0855dd2d960464b656eb2cb4facaff0bda95632d415e40d06f94af2e13c6105caa1263a9bfb4f21dde2d1
SSDEEP

12288:8AIfVYIdFMXgcisxVmXldFPaNGhC5VMgSxLH49TWwp8u911p0ziyMtSUPaTfrgKy:2V5zMbiMVAlbPaNG2egFTW+8AsiAUPa6

Score

10^/10

blustealer discovery persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
restd.club
Port:
587
Username:
[email protected]
Password:
mQJrXsvkEb#S

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2200 set thread context of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_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	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe
2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
10156	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31
PID 2200 wrote to memory of 10156	2200	f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6ca0052f508770f499eaddb5dfdefa5_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:2200
- C:\Users\Admin\AppData\Local\Temp\f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f6ca0052f508770f499eaddb5dfdefa5_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:10156

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/2200-46-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-3-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2200-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2200-44-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-4-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2200-5-0x0000000000D60000-0x0000000000E06000-memory.dmp

Filesize
664KB

Download
memory/2200-6-0x0000000001240000-0x00000000012AE000-memory.dmp

Filesize
440KB

Download
memory/2200-18-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-66-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-70-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-68-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-64-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-62-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-60-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-58-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-42-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-54-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-52-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-50-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-48-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-2132-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2200-1-0x0000000001310000-0x00000000013C6000-memory.dmp

Filesize
728KB

Download
memory/2200-56-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-40-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-38-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-36-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-34-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-32-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-30-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-28-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-26-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-24-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-22-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-20-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-16-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-14-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-12-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-10-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-8-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-7-0x0000000001240000-0x00000000012A8000-memory.dmp

Filesize
416KB

Download
memory/2200-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/10156-2130-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/10156-2133-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download