smokeloader | 8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365

Analysis

max time kernel
139s
max time network
146s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
14-08-2024 14:18

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General

Target

8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365.exe
Size

243KB
MD5

4d78766dc0c17d460eb63efdb6edec12
SHA1

e06cc01cbbdb3a60719b2e6a35be99a1887e69f2
SHA256

8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365
SHA512

17e3c8a49b988e68e7b1fb47b94009666c661a434c0aa4a7dd8615d5e0e678a9b0d8b1adb21afed54a48347b50f537df04c345d52b5f3db53fa79c34b2974c9e
SSDEEP

1536:tkdQz0qNLQh8oftM5mUujLRsuMdWqj/Yq51dS4PU/OS1IxTC8SyH9Y51hG/LO2nT:rzNUf/dsuMA/qXrs/NfT3fhIgpB5IuO

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4552	3960	WerFault.exe	80

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	8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365.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	8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365.exe

C:\Users\Admin\AppData\Local\Temp\8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365.exe
"C:\Users\Admin\AppData\Local\Temp\8f5e88d509638934142520056b1f3ac972ffd357e7e827444816a35ddaf93365.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 484
  2⤵
  - Program crash
  PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3960 -ip 3960
1⤵
PID:3184

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/3960-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3960-2-0x0000000000550000-0x000000000055B000-memory.dmp

Filesize
44KB

Download
memory/3960-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/3960-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3960-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download