smokeloader | 7919a5fb7196f86c18534b05b4ad8b76bad0c513b8af8964754acedabec6310f

Analysis

max time kernel
95s
max time network
135s
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 14:07

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General

Target

9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe
Size

200KB
MD5

a2451a046a9d366e158b7bbd8754564f
SHA1

44623c58042f5026eb7dff7c060b320809e90755
SHA256

9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a
SHA512

f9f55008ea67fcaea14d2fe9a4335ed185fe0d73ffd0e9c6c13b3f88f86cce1353b754ccf26901986850609b98f4253c56d2583d61b8642fb3a6919ca6d4506a
SSDEEP

3072:vfHbgaIuwv4Ll8GGWDm0AS1SPYAUrhzMN7JzMg1M+JqOe7r83:Hb4gL2W60h1S0w3zMg1RJq5r8

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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 3360 set thread context of 2996	3360	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.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	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.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	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 2996	3360	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe	82
PID 3360 wrote to memory of 2996	3360	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe	82
PID 3360 wrote to memory of 2996	3360	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe	82
PID 3360 wrote to memory of 2996	3360	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe	82
PID 3360 wrote to memory of 2996	3360	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe	82
PID 3360 wrote to memory of 2996	3360	9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe	82

C:\Users\Admin\AppData\Local\Temp\9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe
"C:\Users\Admin\AppData\Local\Temp\9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Users\Admin\AppData\Local\Temp\9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe
  "C:\Users\Admin\AppData\Local\Temp\9766403be607ff4dc71a1f9fa99121063534f5a8e26b91385938a2ae6a0ab93a.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2996

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/2996-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2996-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2996-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3360-1-0x0000000002B90000-0x0000000002C90000-memory.dmp

Filesize
1024KB

Download
memory/3360-2-0x00000000048C0000-0x00000000048C9000-memory.dmp

Filesize
36KB

Download