smokeloader | b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0

Analysis

max time kernel
94s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 12:36

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General

Target

b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe
Size

159KB
MD5

0d1f61bdbf234b58cc629777b5ffbaa6
SHA1

f166bd85042d43cbdbfae62f4d935933d8a81b1d
SHA256

b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0
SHA512

d277ef922fa15809b0d1648118cddb9023a27f2baa17f0132b7830462832ef46120bc7830f29f06c5ac721382de3c837ee9ed287a1f2c0c0676fce274d3261e4
SSDEEP

3072:W7EyYM9N60dnQqc0+JxwAo7efFpQvMq+MJaF9A:uYk60dnQqcQVy9ikq/SA

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3484 set thread context of 2132	3484	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 2132	3484	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe	84
PID 3484 wrote to memory of 2132	3484	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe	84
PID 3484 wrote to memory of 2132	3484	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe	84
PID 3484 wrote to memory of 2132	3484	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe	84
PID 3484 wrote to memory of 2132	3484	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe	84
PID 3484 wrote to memory of 2132	3484	b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe	84

C:\Users\Admin\AppData\Local\Temp\b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe
"C:\Users\Admin\AppData\Local\Temp\b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Users\Admin\AppData\Local\Temp\b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe
  "C:\Users\Admin\AppData\Local\Temp\b6c56ed33574afceb244d0a321bfba5a82c76299516cd7d260da11c33a0e40e0.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/2132-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2132-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2132-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3484-0-0x0000000002170000-0x0000000002178000-memory.dmp

Filesize
32KB

Download
memory/3484-1-0x0000000002180000-0x0000000002189000-memory.dmp

Filesize
36KB

Download
memory/3484-4-0x0000000002170000-0x0000000002178000-memory.dmp

Filesize
32KB

Download