blustealer | 031527224e74b82bf16e639c666134674ecc8a6e648fed2f68255617bd6a3b18

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 12:40

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General

Target

3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe
Size

1.1MB
MD5

1ee5c7e3b59f02fef1b0f793d2196afd
SHA1

3f1a1ce12dec33f946079a532ccda8e0c72f2c7c
SHA256

3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b
SHA512

0d106c3451f88ed8f27abe47917c4ba4b25706df623f3a0879c5a67c09a269a48b35b94ca25fc2cb7447be75a7e05cbf5464f4c1aff80224c20f263d321387be
SSDEEP

24576:1kcNn8Y5TrvvDB/mF1BVB/9ogBzVf/ppYbItJ4Rvk7xz:l5TrTcBVl9BTpTrV

Score

10^/10

blustealer discovery stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
mail.dm-teh.com
Port:
587
Username:
[email protected]
Password:
Vm@(O;CO.vEQ

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 4528 set thread context of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98

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	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1052	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98
PID 4528 wrote to memory of 1052	4528	3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe	98

C:\Users\Admin\AppData\Local\Temp\3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe
"C:\Users\Admin\AppData\Local\Temp\3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Users\Admin\AppData\Local\Temp\3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe
  "C:\Users\Admin\AppData\Local\Temp\3f46e10e5fe376b995e2947d1be21955aa8341f39d80cca737109fcf2cf2bf3b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1052

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

Replay Monitor

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Downloads

memory/1052-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1052-20-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1052-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4528-8-0x0000000005C20000-0x0000000005C42000-memory.dmp

Filesize
136KB

Download
memory/4528-10-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4528-5-0x00000000055A0000-0x00000000055AA000-memory.dmp

Filesize
40KB

Download
memory/4528-7-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4528-6-0x00000000058E0000-0x0000000005936000-memory.dmp

Filesize
344KB

Download
memory/4528-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4528-9-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4528-4-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/4528-11-0x0000000001520000-0x00000000015B8000-memory.dmp

Filesize
608KB

Download
memory/4528-12-0x0000000001310000-0x0000000001360000-memory.dmp

Filesize
320KB

Download
memory/4528-3-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/4528-2-0x00000000055B0000-0x000000000564C000-memory.dmp

Filesize
624KB

Download
memory/4528-19-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4528-1-0x0000000000A80000-0x0000000000BAA000-memory.dmp

Filesize
1.2MB

Download