smokeloader | 38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b

Analysis

max time kernel
290s
max time network
255s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
22-04-2024 05:00

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General

Target

38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe
Size

316KB
MD5

6453aec4930ec66f9810c36659876ed4
SHA1

0eb9a64cd4e43fbe41520757fbc5e28e333c0b0f
SHA256

38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b
SHA512

bc70f19d57ec9797859307eebd62f4f9aec13d929c7fa8c3954695f4e916c3636073d100230d584504d309a12b29aa209ba6c23f65613f18d8272fab1f8942a6
SSDEEP

3072:BNOEU0lmsn2Dn6mdVocKMLFs+r0BxX3XY3S8tvKWWe15lX0nxX3c4RlvcE0znerN:6oleoc9Fs8w98p3bX0xX/cne

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

5072 4092 WerFault.exe 38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe

pid	pid_target	process	target process
5072	4092	WerFault.exe	38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.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:

38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe

C:\Users\Admin\AppData\Local\Temp\38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe
"C:\Users\Admin\AppData\Local\Temp\38d244a4340659fc2bc30648f233418b450078b8a7e0e903ef654675a0004a5b.exe"
1⤵
- Checks SCSI registry key(s)
PID:4092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 492
  2⤵
  - Program crash
  PID:5072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4092-1-0x0000000001A30000-0x0000000001B30000-memory.dmp

Filesize
1024KB

Download
memory/4092-2-0x0000000003600000-0x000000000360B000-memory.dmp

Filesize
44KB

Download
memory/4092-3-0x0000000000400000-0x0000000001A1A000-memory.dmp

Filesize
22.1MB

Download
memory/4092-6-0x0000000001A30000-0x0000000001B30000-memory.dmp

Filesize
1024KB

Download