smokeloader | 9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2024, 16:08

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General

Target

9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe
Size

182KB
MD5

4e015961ae263f4831e73570f1f832db
SHA1

51972501e662965957b9fd19bc738f5e5d211ffa
SHA256

9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35
SHA512

f2573c0f85447cc79c0a9398bef482237b8383767dd409a9b314f39ac6d985586e6fa954bb0d699daf554c21b04462581cb199be0a842a99ad23a45821508db3
SSDEEP

3072:m5RdcJyMwGFbdxJar5UVRQEUMPhsZVggjcGkNIVqIz52:mqyun0Wyb7ITsqn

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 4652 set thread context of 3640	4652	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe	89

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	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.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	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 3640	4652	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe	89
PID 4652 wrote to memory of 3640	4652	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe	89
PID 4652 wrote to memory of 3640	4652	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe	89
PID 4652 wrote to memory of 3640	4652	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe	89
PID 4652 wrote to memory of 3640	4652	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe	89
PID 4652 wrote to memory of 3640	4652	9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe	89

C:\Users\Admin\AppData\Local\Temp\9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe
"C:\Users\Admin\AppData\Local\Temp\9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Users\Admin\AppData\Local\Temp\9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe
  "C:\Users\Admin\AppData\Local\Temp\9c21a7bd803ebd7f4d321ffe4cf821e562e6969dbc0746bba592e2a77cea4a35.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3640

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/3640-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3640-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3640-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4652-0-0x00000000001C0000-0x00000000001C8000-memory.dmp

Filesize
32KB

Download
memory/4652-1-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/4652-3-0x00000000001C0000-0x00000000001C8000-memory.dmp

Filesize
32KB

Download