smokeloader | c6db48fbacc9334c5e7b980a432472b3ce8b7ff2a60596d6b85f6044a1e6105d

Analysis

max time kernel
93s
max time network
145s
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 13:52

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General

Target

b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe
Size

259KB
MD5

45f935a6827fe87dc0b58d699e445aee
SHA1

f5afe04fa163e16f86c164b5f31d6c5dbeba875b
SHA256

b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79
SHA512

9a20bb7450d6cf730e43b1c51bb5ef87ca08f370e29790fe1f72f03e5e8415f89d07c4ac7cb0b0cadb023b0ccd611171b8359be7d78617a48139c7eaf85dbb52
SSDEEP

3072:mMHVBlgCVLRtdtBz5RtcuGEVz5kl+z9Js4xoqZI63L+eIzw59M/h3:/VBGCVLzdFYEV6+fd3L+eI8z

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 1692 set thread context of 3156	1692	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.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	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.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	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 3156	1692	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe	82
PID 1692 wrote to memory of 3156	1692	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe	82
PID 1692 wrote to memory of 3156	1692	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe	82
PID 1692 wrote to memory of 3156	1692	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe	82
PID 1692 wrote to memory of 3156	1692	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe	82
PID 1692 wrote to memory of 3156	1692	b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe	82

C:\Users\Admin\AppData\Local\Temp\b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe
"C:\Users\Admin\AppData\Local\Temp\b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe
  "C:\Users\Admin\AppData\Local\Temp\b1a47ccb44ad94e83c61afd95a3ac72b33ccf706ae7577c573a2b8ced4dbae79.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3156

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/1692-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/1692-2-0x0000000002D90000-0x0000000002D99000-memory.dmp

Filesize
36KB

Download
memory/3156-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3156-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3156-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download