smokeloader | f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847

Analysis

max time kernel
291s
max time network
301s
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 00:26

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General

Target

f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe
Size

311KB
MD5

ff43d753e5a865d2ce56c26c0f61a980
SHA1

d495d2a0d9dccb27e7755fe359e453bdbe632724
SHA256

f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847
SHA512

6c21f36ce2e3e2a3854aebb54551ae6a3e8699fd837b3c74d9ae613f9658bee0d3593a821e35e06fd207563070c1192974a38c6be3ce33b2d2a6fc292eefb1cf
SSDEEP

3072:h1KVGr1WppYqers2HnbL+czhwt0mNIIaL/RsFqvVokiLdLpJ/W0m/lHMwWF9ymk2:+z7CLc0mNIbLZsKQLlWbM17JODE

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

2932 4112 WerFault.exe f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe

pid	pid_target	process	target process
2932	4112	WerFault.exe	f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.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:

f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe

C:\Users\Admin\AppData\Local\Temp\f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe
"C:\Users\Admin\AppData\Local\Temp\f5dfbe131bee62d14c8ec22d39441965c31a6329ab3a90969116990a39a7e847.exe"
1⤵
- Checks SCSI registry key(s)
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4112 -s 492
2⤵
- Program crash
PID:2932

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/4112-2-0x0000000001A80000-0x0000000001A8B000-memory.dmp

Filesize
44KB

Download
memory/4112-1-0x0000000001BD0000-0x0000000001CD0000-memory.dmp

Filesize
1024KB

Download
memory/4112-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4112-4-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4112-5-0x0000000001BD0000-0x0000000001CD0000-memory.dmp

Filesize
1024KB

Download
memory/4112-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download