blustealer | 1d03149eb8839cefbe072e5fed04a5a775f856b53ffa1373f235a6a5ddceb553

Analysis

max time kernel
125s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-04-2024 09:28

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General

Target

e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe
Size

720KB
MD5

e9ae8d2f81cc2981ae784f3648040a92
SHA1

d9a19d08b817a88feaf08e00eee8a0479663a960
SHA256

1d03149eb8839cefbe072e5fed04a5a775f856b53ffa1373f235a6a5ddceb553
SHA512

f3ec9ededf32237cc22f5e303e00ee422b8e0d16c2ba789224808d069364ea9cbaf51d969e32e2b87086a1566c1528ef3f3d7cbfa494cbdd1d08ecac412fa1eb
SSDEEP

12288:uQWRct2NjFmzP1Wy4ASG3smyH0/X6BDWaozKnaoEe0N:u7RcMNjgWy4ASG3K4KtvcRoE

Score

10^/10

blustealer persistence spyware stealer

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot1802269231:AAELtF2SraPZQTuiNsCQFsNfPKlpc9jYjSk/sendMessage?chat_id=1817981127

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rRajA = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe"	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3220 set thread context of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	52	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4524	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93
PID 3220 wrote to memory of 4524	3220	e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e9ae8d2f81cc2981ae784f3648040a92_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:4524

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3220-8-0x00000000064F0000-0x0000000006844000-memory.dmp

Filesize
3.3MB

Download
memory/3220-4-0x0000000004F20000-0x0000000004FBC000-memory.dmp

Filesize
624KB

Download
memory/3220-1-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/3220-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

Filesize
584KB

Download
memory/3220-9-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/3220-5-0x0000000004D80000-0x0000000004D90000-memory.dmp

Filesize
64KB

Download
memory/3220-6-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/3220-10-0x0000000004D80000-0x0000000004D90000-memory.dmp

Filesize
64KB

Download
memory/3220-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

Filesize
5.6MB

Download
memory/3220-0-0x0000000000350000-0x000000000040A000-memory.dmp

Filesize
744KB

Download
memory/3220-7-0x0000000005260000-0x000000000527A000-memory.dmp

Filesize
104KB

Download
memory/3220-11-0x0000000006C90000-0x0000000006D16000-memory.dmp

Filesize
536KB

Download
memory/3220-12-0x0000000009310000-0x0000000009328000-memory.dmp

Filesize
96KB

Download
memory/3220-18-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/4524-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4524-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4524-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads