smokeloader | bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d

Analysis

max time kernel
90s
max time network
97s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
11-05-2024 21:49

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General

Target

bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe
Size

245KB
MD5

a3eeff714d5bb923a7dcd61451c048f2
SHA1

e47e9597003a2c28ccccec610753641f55e70f3a
SHA256

bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d
SHA512

e850661214d31b43bfca1b696cd866e1a14172d19e52e79d647e6c830eb0010d93cc22fd5791f061348aa965569f4ad8079563a425d20850eb4c2f62f0131954
SSDEEP

3072:Gk6Jst2BZBpRJY5YNtZ+Y1h67EAjE89sStQHCZ/FnwuQfPjpkyLTL6:Gksz4KPHJ8n9sStQiZBQz6UT

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

3736 3908 WerFault.exe bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe

pid	pid_target	process	target process
3736	3908	WerFault.exe	bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.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:

bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe

C:\Users\Admin\AppData\Local\Temp\bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe
"C:\Users\Admin\AppData\Local\Temp\bb6be60a9c5ceeafe4132db6815312e1895b12cdf2bd076eb91f01fa0048c87d.exe"
1⤵
- Checks SCSI registry key(s)
PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 384
2⤵
- Program crash
PID:3736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3908 -ip 3908
1⤵
PID:4708

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/3908-1-0x0000000000B10000-0x0000000000C10000-memory.dmp

Filesize
1024KB

Download
memory/3908-2-0x0000000000B00000-0x0000000000B0B000-memory.dmp

Filesize
44KB

Download
memory/3908-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3908-5-0x0000000000B00000-0x0000000000B0B000-memory.dmp

Filesize
44KB

Download
memory/3908-4-0x0000000000400000-0x0000000000795000-memory.dmp

Filesize
3.6MB

Download