smokeloader | 31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
27/05/2024, 02:05

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General

Target
31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a.exe
Size 287KB
Sample240527-chyc7acd8v
SHA256 31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a
MD5 41822c53a7eeb4b35f94fbd7b507b115
SHA1 bc55c0f8f23956e68798a63dae753bfe7b4b869d
SHA512 838092ed722359c3a92519c72b97e77be29014b43fa21ba78ef45c7a16f85f294df93305214a99cd3f5d77322fc723a5fd5554dcda3ae8519297d91a5f5d5d10
SSDEEP 3072:t5VNl2Y1LW1iYK+LsJNmT5Of8ZKUeSDeztosLdi21v3rzdxLb6ik6l538JL:1Nl3hW1of0hIz+sx9n7LDl5M
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3596	4660	WerFault.exe	77

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	31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a.exe

C:\Users\Admin\AppData\Local\Temp\31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a.exe
"C:\Users\Admin\AppData\Local\Temp\31af53b4d9d35ea77a3f9090df3a1fe7a35e60c496576eb10a0a55e1d676525a.exe"
1⤵
- Checks SCSI registry key(s)
PID:4660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 384
  2⤵
  - Program crash
  PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4660 -ip 4660
1⤵
PID:1116

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4660-2-0x0000000002DF0000-0x0000000002DFB000-memory.dmp

Download

memory/4660-1-0x0000000003010000-0x0000000003110000-memory.dmp

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memory/4660-3-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/4660-4-0x0000000000400000-0x0000000002CA6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads