smokeloader | ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65dea

Analysis

max time kernel
93s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 19:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe
Size

153KB
MD5

d03522eb73c5821b756cad356c5c18e0
SHA1

b9b07b9e9a70a236570c569ebaf4ee6cd1f7e74a
SHA256

ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65dea
SHA512

309feee097f7f0b0844cc5120d7b8ed087b5d06233b6a55d15e353f39e3d7e49449bcc3cc19aa77bf5fefc0190d152ec594ffade99633a09d83693e09f6ce882
SSDEEP

3072:ETYpZuF8Ztvu/pQuQweBRce7ePeQH9WW:ETDwRuhdCkPeQHv

Score

10^/10

smokeloader new2 backdoor discovery trojan upx

Malware Config

Extracted

Family

smokeloader

Botnet

new2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4520 set thread context of 2284	4520	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe	82

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4520-0-0x0000000000400000-0x000000000578A000-memory.dmp	upx
behavioral2/memory/4520-4-0x0000000000400000-0x000000000578A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe

Checks SCSI registry key(s) 3 TTPs 2 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 2284	4520	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe	82
PID 4520 wrote to memory of 2284	4520	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe	82
PID 4520 wrote to memory of 2284	4520	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe	82
PID 4520 wrote to memory of 2284	4520	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe	82
PID 4520 wrote to memory of 2284	4520	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe	82
PID 4520 wrote to memory of 2284	4520	ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe	82

C:\Users\Admin\AppData\Local\Temp\ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe
"C:\Users\Admin\AppData\Local\Temp\ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Users\Admin\AppData\Local\Temp\ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe
  "C:\Users\Admin\AppData\Local\Temp\ef059b331095741327d4ee779f61ad65a2054e169b7310f50751c4b87bf65deaN.exe"
  2⤵
  - Maps connected drives based on registry
  - Checks SCSI registry key(s)
  PID:2284

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2284-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2284-5-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4520-0-0x0000000000400000-0x000000000578A000-memory.dmp

Filesize
83.5MB

Download
memory/4520-2-0x0000000005AC0000-0x0000000005BC0000-memory.dmp

Filesize
1024KB

Download
memory/4520-4-0x0000000000400000-0x000000000578A000-memory.dmp

Filesize
83.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads