smokeloader | 025a443a77681f6f0573ef8abf6b3d1996f4a4ff9d5873287758d3bc804f1bcf

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 14:45

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General

Target

c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe
Size

272KB
MD5

1b34541fb0dc55293424cd982f09cb30
SHA1

6e27e8c899d92da67fdb5b6f07b3d3ef54dcf62b
SHA256

c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf
SHA512

ca39dbca5ae9771feba001fc6aecb8dfd32e4c78be53c14af092b49e7277d8575833fa65ff5f7b06809f1733215892c1506dcbd968376f97ea18f0d5313d10d8
SSDEEP

3072:qSSVrZvALNCLjw5s0CUoMhvd+Kq7pFxoV07PD9z5OEeU2K6gvX:qSwvALNCLvMdAFFeV0yYB

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

2476 4420 WerFault.exe c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe

pid	pid_target	process	target process
2476	4420	WerFault.exe	c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.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:

c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe

C:\Users\Admin\AppData\Local\Temp\c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe
"C:\Users\Admin\AppData\Local\Temp\c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe"
1⤵
- Checks SCSI registry key(s)
PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 352
2⤵
- Program crash
PID:2476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4420 -ip 4420
1⤵
PID:224

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/4420-2-0x00000000008B0000-0x00000000008BB000-memory.dmp

Filesize
44KB

Download
memory/4420-1-0x00000000009D0000-0x0000000000AD0000-memory.dmp

Filesize
1024KB

Download
memory/4420-3-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download
memory/4420-4-0x0000000000400000-0x0000000000866000-memory.dmp

Filesize
4.4MB

Download