smokeloader | a63540d4b4579fea912a2b058e5fa0cf548576b54dbd8230e0d4ce5528cc9f77

Analysis

max time kernel
94s
max time network
143s
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 13:58

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General

Target

1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
Size

307KB
MD5

113967e809d443ef0bde63ca6f10ac68
SHA1

a492d747458d6119fc4b82b1bcd1ffedb926b265
SHA256

1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5
SHA512

a176c6e3d82fdc725c8bedb8c50a194d8e4ef33fad4e10474cbc74f9334953b5403d06b65dc6c5f62f233728cda00d427cf9a55e2c8dc438f5f7b08886d97989
SSDEEP

6144:AFKkjLCmOluerYUjnHaRAVkXKhUV3PfzX4KEn2E1a:AFpGmOldr9E6e1PfzX4KUv

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 3940 set thread context of 2120	3940	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.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	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.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	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 2120	3940	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	82
PID 3940 wrote to memory of 2120	3940	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	82
PID 3940 wrote to memory of 2120	3940	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	82
PID 3940 wrote to memory of 2120	3940	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	82
PID 3940 wrote to memory of 2120	3940	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	82
PID 3940 wrote to memory of 2120	3940	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	82

C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
"C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
  "C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2120

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/2120-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2120-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2120-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3940-1-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/3940-2-0x00000000008D0000-0x00000000008D9000-memory.dmp

Filesize
36KB

Download