smokeloader | f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4

Analysis

max time kernel
291s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
02-05-2024 00:20

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General

Target

f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe
Size

308KB
MD5

a67bd7f7561572171f83b52c30223084
SHA1

ae492d1367a04b88911613300ab44c4f261f2de6
SHA256

f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4
SHA512

00ca0cc38816032820bca91a8d73448501b10db5a16ee86d7e7e7363bd64da9212cee7beb68a32c5844ffed18eb83575291db0ec78a82cafe85dd156c53e4332
SSDEEP

3072:/5yNsLNzpVBsHxP+P+KbLinUMpSOL0U59OuvrERaKGjEhlZRQAHziHE8sI7I8NU:LVnBqqVYrAOIU7RERa/Q1mE8sMNU

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

Processes:

WerFault.exe

pid pid_target process target process

3864 4412 WerFault.exe f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe

pid	pid_target	process	target process
3864	4412	WerFault.exe	f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.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:

f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe

C:\Users\Admin\AppData\Local\Temp\f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe
"C:\Users\Admin\AppData\Local\Temp\f21e29a1ab8b032d9bd0af879e3c33d5b82b95dfd8d32e93eee1c1c801ad85c4.exe"
1⤵
- Checks SCSI registry key(s)
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 488
2⤵
- Program crash
PID:3864

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/4412-1-0x0000000001D50000-0x0000000001E50000-memory.dmp

Filesize
1024KB

Download
memory/4412-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-2-0x0000000001B10000-0x0000000001B1B000-memory.dmp

Filesize
44KB

Download
memory/4412-4-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/4412-6-0x0000000001D50000-0x0000000001E50000-memory.dmp

Filesize
1024KB

Download