blustealer | 3a400fbdc47f573a48a5f3052b0b4e67614b27607232dc448d11acf15b6baf8e

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11-07-2024 12:28

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General

Target

391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe
Size

432KB
MD5

391d8025ebeb784e53f76c6536aa6fe6
SHA1

e9ac084345ba307473cbcf82846e0fc4be8d26e6
SHA256

3a400fbdc47f573a48a5f3052b0b4e67614b27607232dc448d11acf15b6baf8e
SHA512

de0ed92b7bfc4bfe1b15a539311677d288ec7ed66374adc39edfd60bf5094ac99a387d93213a5790f0dac121ef38145888e2e23023404cdfd871c2eca785a4c8
SSDEEP

6144:b8LxBBXsdAsRN+ciV3RGt+CgPq2ZvrnfIT6GcUYVo5DaXYuWwxR8FjoLGzxbecQU:ysNN+cilRTrfI2Z0s7hx6tzgBQs3ar7H

Score

10^/10

blustealer 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

Loads dropped DLL 1 IoCs

pid	Process
1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2428	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2428	1984	391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\391d8025ebeb784e53f76c6536aa6fe6_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nso9741.tmp\jzmc.dll

Filesize
18KB

MD5
74d5048bbcdd145406c1401705d19b01

SHA1
699ddbba611ec8467c1c7e92c3226d432139c16e

SHA256
7401f524da5c86ef8d102c6b3196e4eec962a32883bcc74b5a1ecaa1ae2a7a6d

SHA512
d0817195e8d770502e9cf8d4438cf7d09dd2fa5523041f81466ea3c9324d8e43899c2ad9b675b08cc900adc7176db82008cd95ef5c9ff12171016e2d319aa6ca

Download Submit
memory/1984-7-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/1984-11-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/2428-9-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2428-12-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2428-15-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download