smokeloader | 8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d

Analysis

max time kernel
90s
max time network
92s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
28/05/2024, 18:10

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General

Target
8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d.exe
Size 325KB
Sample240528-wr2xhsff79
SHA256 8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d
MD5 5e52b336bbf8c516893d46db4ee9f645
SHA1 a7de71030208b9452dd9633b2ebb359fa1f4e07f
SHA512 2d59633cedb7bf5530386785746c9346c82d80f5da522be0b8163bee5159911d513031072c2d82a0f193805524dc191e4a55517a04e4de54aeae55a0e2370f02
SSDEEP 6144:AbfTI+D+QaYiaeeMy8yY2F2VpuK2pZTb+els:AbfTIFQatpy8+ApufpZx
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader pub4 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3552	4800	WerFault.exe	80

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	8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d.exe

C:\Users\Admin\AppData\Local\Temp\8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d.exe
"C:\Users\Admin\AppData\Local\Temp\8a6f9fd77cb885d80d4926f96d833fe2498afd04380c18f55365ff13d006c45d.exe"
1⤵
- Checks SCSI registry key(s)
PID:4800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 384
  2⤵
  - Program crash
  PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4800 -ip 4800
1⤵
PID:1920

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/4800-1-0x0000000002E70000-0x0000000002F70000-memory.dmp

Download

memory/4800-3-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/4800-2-0x00000000049B0000-0x00000000049BB000-memory.dmp

Download

memory/4800-4-0x0000000000400000-0x0000000002CB0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads