smokeloader | ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783

Analysis

max time kernel
94s
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
15-12-2024 13:40

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General

Target

ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe
Size

260KB
MD5

cba66934286b6db63d19a694b3c586e6
SHA1

4045acdeba091b84885a912429c5676ae725c3b4
SHA256

ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783
SHA512

9aed8a6f1a8c30e1d9e04425fa58125ca9ac043254079c63c1dee3f9391dcd4f04dfdf00584e74507a2b9fd772eb04dc0028e18953f8a9976b42a2a570a6f1a9
SSDEEP

3072:QuJFB8IkKLXHxunz5mPYpGL64eCVAiGAENh12hVmvwao+GjtfWgfmXM/h3:ZFBFTLXx9MiR0MH8GjtfWgfmX

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
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 1920	2148	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe	83

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	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 1920	2148	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe	83
PID 2148 wrote to memory of 1920	2148	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe	83
PID 2148 wrote to memory of 1920	2148	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe	83
PID 2148 wrote to memory of 1920	2148	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe	83
PID 2148 wrote to memory of 1920	2148	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe	83
PID 2148 wrote to memory of 1920	2148	ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe	83

C:\Users\Admin\AppData\Local\Temp\ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe
"C:\Users\Admin\AppData\Local\Temp\ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe
  "C:\Users\Admin\AppData\Local\Temp\ed3b148b03969cfefa4261550710be785022aa89dac709257bd260b1e3fe3783.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1920

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

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Downloads

memory/1920-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1920-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1920-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2148-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download
memory/2148-2-0x0000000002CB0000-0x0000000002CB9000-memory.dmp

Filesize
36KB

Download