smokeloader | a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 04:49

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General

Target

a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
Size

277KB
MD5

749b5a553161c938602d5fb1ac8eefca
SHA1

7cf04b274ecabaf879571f0306d571ab2d2db28f
SHA256

a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf
SHA512

efbf827c9cd08b8359065bb5e19a632aaa090180585b670f8c600e4b8e4794eb44694e19f37686ffcbcf98526c4a824cfbd7ab582466dd6c9500d8c8c664ffef
SSDEEP

3072:Ks5rLMPA/Kcz44Y1HE4lfr85IN1+ZtQXGUYgIgOXvH/ddkxrj:ZRLMPUb44YblHCZtQloXvarj

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3624 1192 WerFault.exe a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe

pid	pid_target	process	target process
3624	1192	WerFault.exe	a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.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

Processes:

a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe

C:\Users\Admin\AppData\Local\Temp\a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe
"C:\Users\Admin\AppData\Local\Temp\a8e833c267f71fa306154671decddc53f9c4e91c2e78afd71158e22733d75caf.exe"
1⤵
- Checks SCSI registry key(s)
PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 488
2⤵
- Program crash
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1192 -ip 1192
1⤵
PID:4184

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1192-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1192-2-0x0000000002540000-0x000000000254B000-memory.dmp

Filesize
44KB

Download
memory/1192-1-0x0000000002760000-0x0000000002860000-memory.dmp

Filesize
1024KB

Download
memory/1192-4-0x0000000000400000-0x0000000002361000-memory.dmp

Filesize
31.4MB

Download