smokeloader | 726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 01:50

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General

Target

726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e.exe
Size

412KB
MD5

244a4f649013d783dc87fca655d8fb38
SHA1

658e29b2d109d7238d4d3e890a9d59d6e68625ec
SHA256

726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e
SHA512

d2feee480983d8409ab0f17f75b2d92269403168fc9aee9bc88004196301acc989c2c5ea741675fd8d2433d8d99f336a909fd38b2a7605f715cd8c779137093b
SSDEEP

6144:6umkZypyyY92DJhR56N/8Ab+9a+PsrVwffcij9UR/:6u7Zyw90sNkAb2vUrVwffciyR

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

pid	pid_target	Process	procid_target
4160	4940	WerFault.exe	82

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	726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e.exe

C:\Users\Admin\AppData\Local\Temp\726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e.exe
"C:\Users\Admin\AppData\Local\Temp\726a67046152f94bf0372b95325f029d834f3bd3ce9246bdd76f03efac45195e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 352
  2⤵
  - Program crash
  PID:4160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4940 -ip 4940
1⤵
PID:224

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/4940-1-0x00000000008D0000-0x00000000009D0000-memory.dmp

Filesize
1024KB

Download
memory/4940-2-0x0000000000750000-0x000000000075B000-memory.dmp

Filesize
44KB

Download
memory/4940-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-6-0x0000000000750000-0x000000000075B000-memory.dmp

Filesize
44KB

Download
memory/4940-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-4-0x0000000000400000-0x00000000005FA000-memory.dmp

Filesize
2.0MB

Download