smokeloader | 27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
09-05-2024 23:48

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General

Target

27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe
Size

211KB
MD5

57494a7b70db072a8539e7fb3171e873
SHA1

9c521ea54a1c099c32bea8d9912008fd998a7e73
SHA256

27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2
SHA512

8609f7f692f9ae9cec51e172ae3f3780a5c2731191c1b8f71cf4b3fb41d649cb892e66aeb610014cbfcc8c4e3b38f58d49f8a76c539c163479a4cd1306de1fef
SSDEEP

3072:G//IweqtWGLkaYCRwG5UfnDjoylmNLhO5Pe7nDY7Yi:dGLk5tvPUL9

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

1996 2532 WerFault.exe 27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe

pid	pid_target	process	target process
1996	2532	WerFault.exe	27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.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:

27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe

C:\Users\Admin\AppData\Local\Temp\27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe
"C:\Users\Admin\AppData\Local\Temp\27587755ccfed117ac06952e6a9a33752b327a344fac395bb4c3141a069734b2.exe"
1⤵
- Checks SCSI registry key(s)
PID:2532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 384
2⤵
- Program crash
PID:1996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2532 -ip 2532
1⤵
PID:4884

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/2532-2-0x0000000002CD0000-0x0000000002CDB000-memory.dmp

Filesize
44KB

Download
memory/2532-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2532-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

Filesize
1024KB

Download
memory/2532-4-0x0000000000400000-0x0000000002AF2000-memory.dmp

Filesize
38.9MB

Download