smokeloader | 13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb

Analysis

max time kernel
90s
max time network
99s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
03-07-2024 10:19

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General

Target

13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe
Size

161KB
MD5

b8b4cb8dcd3284aa9816dba3071fbc3d
SHA1

da718f30c67cd508620a5b6ec970f1b88d6b34a0
SHA256

13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb
SHA512

c69632f88ded7668c6aa2f5274e9024897b3e3ba0341203e81c41d2cdf01020666748792fae923f273712fbb164e8bc73886709a61e08408d3da682711981851
SSDEEP

3072:MwLrmB5FJnMoiTbeRZJYazkx+usMffBW15HPQcmOsSX3FNqynj:MwLyBJefeFYazgpsefXc37

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

1816 4048 WerFault.exe 13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe

pid	pid_target	process	target process
1816	4048	WerFault.exe	13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.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:

13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe

C:\Users\Admin\AppData\Local\Temp\13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe
"C:\Users\Admin\AppData\Local\Temp\13b08467962e9cdee0ec96edb9c92b6ccc2628982695c0f3334e8446da6f61eb.exe"
1⤵
- Checks SCSI registry key(s)
PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 484
2⤵
- Program crash
PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4048 -ip 4048
1⤵
PID:3308

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/4048-1-0x0000000002870000-0x0000000002970000-memory.dmp

Filesize
1024KB

Download
memory/4048-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4048-2-0x0000000004420000-0x000000000442B000-memory.dmp

Filesize
44KB

Download
memory/4048-4-0x0000000000400000-0x0000000002716000-memory.dmp

Filesize
35.1MB

Download