smokeloader | 83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-06-2024 23:46

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General

Target

83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe
Size

309KB
MD5

8978e47f10f5ab97ff28fa703a94f4e0
SHA1

0c3c60db73290c06acdce42460feaa9ca6c608e9
SHA256

83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379
SHA512

207a48293ab3fb7bbbdd292f2994fdbf5d4ed5cdeb3e880c0ef9911a5571daa50111c3a1744525a06e4a5c10146d6beebd8531138461f5f004df7400efbfba46
SSDEEP

3072:WT3wPZLVVD7IpSmuJAIKo3ZFGtzgOxPfgG50YEzPrhY7iiCEDJi7u:WT3wxLTD8FuJfxpZfRz1Y7izOJi

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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

4064 2920 WerFault.exe 83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe

pid	pid_target	process	target process
4064	2920	WerFault.exe	83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.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:

83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe

C:\Users\Admin\AppData\Local\Temp\83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe
"C:\Users\Admin\AppData\Local\Temp\83ca97731e4ca79ec7932e64a09ae0ec64e3585fc049ec35c5d8cd84b69d2379.exe"
1⤵
- Checks SCSI registry key(s)
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 572
2⤵
- Program crash
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2920 -ip 2920
1⤵
PID:4736

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

Replay Monitor

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Downloads

memory/2920-1-0x00000000027C0000-0x00000000028C0000-memory.dmp

Filesize
1024KB

Download
memory/2920-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-2-0x0000000004240000-0x000000000424B000-memory.dmp

Filesize
44KB

Download
memory/2920-4-0x0000000000400000-0x000000000273A000-memory.dmp

Filesize
35.2MB

Download