blustealer | f3911bfcb357c543429f177fb376b93f673aec448e6deebef9e4991fc9baa21f

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 21:57

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General

Target

87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe
Size

514KB
MD5

87fe613f5fca069882af2bdb9b53dec7
SHA1

55c8121d2c2277f0899f55bd21b5afb531691f01
SHA256

f3911bfcb357c543429f177fb376b93f673aec448e6deebef9e4991fc9baa21f
SHA512

554017cf9629f4922bb3eff9d2775549fdf7df35a909e41403551a99d927f44a2bf2d67773c0a684c79e58006f9403740e1474ff650e71dfa2890e08169935d6
SSDEEP

12288:cd2+5g27VGBVpVKrLVhrTLdamoA51sSzX4+pVgUwWRDO9G:cf5NEBVpsrLVhPLcmoA3s+x1uG

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
Blustealer family
blustealer

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 3048	2976	87fe613f5fca069882af2bdb9b53dec7_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	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2976	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3048	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 3048	2976	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe	30
PID 2976 wrote to memory of 3048	2976	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe	30
PID 2976 wrote to memory of 3048	2976	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe	30
PID 2976 wrote to memory of 3048	2976	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe	30
PID 2976 wrote to memory of 3048	2976	87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\87fe613f5fca069882af2bdb9b53dec7_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3048

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/2976-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2976-2-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/3048-3-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/3048-5-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/3048-8-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download