smokeloader | c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
04-05-2024 11:06

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General

Target

c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe
Size

327KB
MD5

1412042a6ccbe5ee52ec7c74817c5cc0
SHA1

5bddb6875ba766cdd1555822fdaa236077e458b9
SHA256

c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830
SHA512

1f0f97c6ffe3871a654e7980d83c56df352e8f1108ca70d22e4191ab9bc1f70b70ba3ec20e7e8ac21dbf8c914dfaa4bb29a95bf6f87572e301f541379899847f
SSDEEP

6144:2nPcZx74kpV067AWfRT0lX/ao/FP7b/a:2nPq74kpVr3fRT4vhb/a

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

4508 3928 WerFault.exe c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe

pid	pid_target	process	target process
4508	3928	WerFault.exe	c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.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:

c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe

C:\Users\Admin\AppData\Local\Temp\c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe
"C:\Users\Admin\AppData\Local\Temp\c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830.exe"
1⤵
- Checks SCSI registry key(s)
PID:3928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 384
2⤵
- Program crash
PID:4508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3928 -ip 3928
1⤵
PID:4192

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/3928-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3928-2-0x0000000003720000-0x000000000372B000-memory.dmp

Filesize
44KB

Download
memory/3928-1-0x0000000001C00000-0x0000000001D00000-memory.dmp

Filesize
1024KB

Download
memory/3928-4-0x0000000000400000-0x0000000001A1B000-memory.dmp

Filesize
22.1MB

Download