smokeloader | 11f02de3d29b2b99c806437d10cc4bc1232cc64fba65521d53e47c44426ba219

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 06:27

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General

Target

17a8a899cae67ea157318183d546d2fd.exe
Size

365KB
MD5

17a8a899cae67ea157318183d546d2fd
SHA1

2a001ba9fc5c56cecdf25f34f3f8558e3fdedc3f
SHA256

11f02de3d29b2b99c806437d10cc4bc1232cc64fba65521d53e47c44426ba219
SHA512

0de475c4d70b9e7948fde335ff3d40fa3cee4bb015085374e65883220868eb68e4a62a9329309a97c2b5405388eed22d6562244b8426a654a0625784ed21298c
SSDEEP

3072:UEyw/PL4u+MrhsgZbRZwVTslefk6GIfHT0qMubv6dhpaQdd41/x8dBRVlNN:JL4KXZbRZ2rfHT0qkdRXO6dR

Score

10^/10

smokeloader pub2 backdoor discovery 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

4128 3756 WerFault.exe 17a8a899cae67ea157318183d546d2fd.exe
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

Processes:

17a8a899cae67ea157318183d546d2fd.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 17a8a899cae67ea157318183d546d2fd.exe

pid	pid_target	process	target process
4128	3756	WerFault.exe	17a8a899cae67ea157318183d546d2fd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17a8a899cae67ea157318183d546d2fd.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:

17a8a899cae67ea157318183d546d2fd.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	17a8a899cae67ea157318183d546d2fd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	17a8a899cae67ea157318183d546d2fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	17a8a899cae67ea157318183d546d2fd.exe

C:\Users\Admin\AppData\Local\Temp\17a8a899cae67ea157318183d546d2fd.exe
"C:\Users\Admin\AppData\Local\Temp\17a8a899cae67ea157318183d546d2fd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 352
  2⤵
  - Program crash
  PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3756 -ip 3756
1⤵
PID:4364

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

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Downloads

memory/3756-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/3756-3-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/3756-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3756-4-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/3756-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download