smokeloader | a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210

Analysis

max time kernel
146s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
14-05-2024 23:55

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General

Target

a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe
Size

226KB
MD5

dcfd9f02149a657f70ed4e58f5c71d74
SHA1

93140ba9a84c78ee3a4aece21c0d832e334efb2a
SHA256

a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210
SHA512

5d9ba4c29bb1cdcd68acb82bf053804a5f07a6dbaa000fd82577b283823467324316c53d5be61c8e2ca4b0d67b98d249e7c36d67da94fa36e4e2265e4386003d
SSDEEP

3072:yvqVLdfvUMPQmPX5j8m+5BsanVkM3An8O0kmlxGzzdiLfhGFpX7BkDyGQ:f9QmPpomnJMwC3A0s/XO

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

3764 4304 WerFault.exe a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe

pid	pid_target	process	target process
3764	4304	WerFault.exe	a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.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:

a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe

C:\Users\Admin\AppData\Local\Temp\a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe
"C:\Users\Admin\AppData\Local\Temp\a215b76c38d79ec3764923d2f17a5ccd06ac6741de5d2c0183fead43836db210.exe"
1⤵
- Checks SCSI registry key(s)
PID:4304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 484
2⤵
- Program crash
PID:3764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4304 -ip 4304
1⤵
PID:1552

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

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Downloads

memory/4304-1-0x0000000000830000-0x0000000000930000-memory.dmp

Filesize
1024KB

Download
memory/4304-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4304-2-0x0000000002490000-0x000000000249B000-memory.dmp

Filesize
44KB

Download
memory/4304-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4304-4-0x0000000000400000-0x000000000078F000-memory.dmp

Filesize
3.6MB

Download