blustealer | 042725bd8b89de58ac53810ca83a7ebc34bd7252d168b12183392f1e7401edf0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 21:19

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General

Target

e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe
Size

1.0MB
MD5

e850c2177abca3f594fe645eb33d1cda
SHA1

2b04b651400b7eb127d22f60ed204d4c08d64b95
SHA256

042725bd8b89de58ac53810ca83a7ebc34bd7252d168b12183392f1e7401edf0
SHA512

b84a9f24aab6ea7d51fe5ca253133fef322ba16029aeed730108d9c50b66db382168017ae8065b72fa0132650c2ecbf9f828cddcc4825e72681496f029f65d77
SSDEEP

24576:KbNneh53T/Mlivyc2+9Va7LELUbj2e4agUFF:KBn8TGsfVakqjL4FWF

Score

10^/10

blustealer discovery stealer

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot1816395306:AAE3ZBLYV2L9aT9mL8itL9vr3RP6nOz_B1o/sendMessage?chat_id=1368673464

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 2328	2068	e850c2177abca3f594fe645eb33d1cda_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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2068	e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2328	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2328	2068	e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2328	2068	e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2328	2068	e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2328	2068	e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2328	2068	e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\e850c2177abca3f594fe645eb33d1cda_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2328

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/2068-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2068-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2328-3-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2328-5-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2328-8-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download