blustealer | 3c17d6b6676bffb1a963784f757c163023961aa29364aeaa0f78d2790ed5b073

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 22:59

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General

Target

6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe
Size

723KB
MD5

6c3daf16b35fdfdd63cf8e229056ff05
SHA1

2dfcd7cf46b1eaa6ff40b1528e662789b4e1c5da
SHA256

3c17d6b6676bffb1a963784f757c163023961aa29364aeaa0f78d2790ed5b073
SHA512

a954cf625cc6d911dffaabe390bfac427d1517c9e2a3206120e6bc0d855c2da796c3b5d1d98dc704bd07b9b801dd6509f7e8eae1ec09efe9c9debd0a888c5ec0
SSDEEP

12288:p5b9bhm2xC/Gfl5+cuIfmnCy0oAU2Mij/2CoIDIaNylGAE0eyvU1:z9btxCy+n4o5+juL03DAxez1

Score

10^/10

blustealer discovery persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
restd.club
Port:
587
Username:
[email protected]
Password:
@433u7a~IdTF

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_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	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe
2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
10692	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31
PID 2472 wrote to memory of 10692	2472	6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6c3daf16b35fdfdd63cf8e229056ff05_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:2472
- C:\Users\Admin\AppData\Local\Temp\6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6c3daf16b35fdfdd63cf8e229056ff05_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:10692

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/2472-46-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-3-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2472-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-44-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-4-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-5-0x0000000004FC0000-0x0000000005068000-memory.dmp

Filesize
672KB

Download
memory/2472-6-0x00000000042D0000-0x0000000004342000-memory.dmp

Filesize
456KB

Download
memory/2472-42-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-70-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-68-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-66-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-64-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-62-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-60-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-58-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-40-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-54-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-52-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-50-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-48-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-2268-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2472-1-0x0000000000870000-0x0000000000928000-memory.dmp

Filesize
736KB

Download
memory/2472-56-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-38-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-36-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-34-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-32-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-30-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-28-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-26-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-24-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-22-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-20-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-18-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-16-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-14-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-12-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-10-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-8-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-7-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2472-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/10692-2265-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/10692-2269-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download