smokeloader | c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 23:40

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General

Target

c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe
Size

171KB
MD5

90c657ff23700c36573604959fedb59d
SHA1

2631d30435f2340bec88a23e8e995ccc3a945f93
SHA256

c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be
SHA512

8d8d5e5c440a74dbaf0586eed1e36d3c61165990213577dbd9575953bd860e132be80feed4137d2e257264bec98a7208f4dcccc8506b3759bb21e1a5e101d471
SSDEEP

3072:Hi5QLNHPX09BR25tT7RXXmiXhPtP5NY//1KuU3:C5QLNHPknutpGoBGQ7

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

2456 3840 WerFault.exe c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe

pid	pid_target	process	target process
2456	3840	WerFault.exe	c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.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:

c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe

C:\Users\Admin\AppData\Local\Temp\c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe
"C:\Users\Admin\AppData\Local\Temp\c511f4bdd2190c6c2e97420e5ed184e97ebb561719d703aa007313469b0303be.exe"
1⤵
- Checks SCSI registry key(s)
PID:3840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 484
2⤵
- Program crash
PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3840 -ip 3840
1⤵
PID:4804

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/3840-1-0x0000000002A10000-0x0000000002B10000-memory.dmp

Filesize
1024KB

Download
memory/3840-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-2-0x0000000002980000-0x000000000298B000-memory.dmp

Filesize
44KB

Download
memory/3840-4-0x0000000000400000-0x0000000002719000-memory.dmp

Filesize
35.1MB

Download