blustealer | e29247ccbd64ef5da34a09b073f1f638c23bd7d280724feabf900e6ac786af52

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 13:01

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General

Target

6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe
Size

671KB
MD5

6f0df16188d51b39c387df210a1077df
SHA1

abe98a6755bab5b01c2becd90a586829afcb9336
SHA256

e29247ccbd64ef5da34a09b073f1f638c23bd7d280724feabf900e6ac786af52
SHA512

9a2441c332a605893f8b192e42ef61a68d395cc86358d7f4d96dbd592668cbcdf3701bb3a581f011632e66c33a58c7235ec433011bb1c092603457efed84973e
SSDEEP

12288:ZDmzAbVSux7iVK+G2L4SkX8CzdBTAKl2cEGff3kvZp1FXbd4Ga/pzP:0QVSuAVK+G2pkDdBT7l3EW4Trtah

Score

10^/10

blustealer discovery stealer

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot1838876767:AAEiDKTcT_A4WBwpMo9nnrtBP7OvsmEUnNU/sendMessage?chat_id=1300181783

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3000 set thread context of 2192	3000	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe	30

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	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3000	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2192	MSBuild.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2192	3000	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2192	3000	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2192	3000	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2192	3000	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe	30
PID 3000 wrote to memory of 2192	3000	6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\6f0df16188d51b39c387df210a1077df_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2192-3-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/2192-5-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/2192-8-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/3000-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/3000-2-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download