smokeloader | b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79

Analysis

max time kernel
93s
max time network
148s
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

b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe
Size

372KB
MD5

16ca11b2c70d84f2924a185d84ad21c1
SHA1

3f96e74ca7a85735dbf75a39c5cf8885c4a94433
SHA256

b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79
SHA512

b6c2106f993c3def10d2776bde2f54d4099881cc37d61e1eefbbff468363b751072fa76bc509485f27267694eb276c93cc1f4a9733f18e80f981d7131bb8a7ec
SSDEEP

6144:teGdJExLXF6JDr3C/j7nfY+0zspWiEx3XwOu1ql:tepxDF6Jm7nf2XiY3Uql

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 2124 set thread context of 5064	2124	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.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	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 5064	2124	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe	83
PID 2124 wrote to memory of 5064	2124	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe	83
PID 2124 wrote to memory of 5064	2124	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe	83
PID 2124 wrote to memory of 5064	2124	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe	83
PID 2124 wrote to memory of 5064	2124	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe	83
PID 2124 wrote to memory of 5064	2124	b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe	83

C:\Users\Admin\AppData\Local\Temp\b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe
"C:\Users\Admin\AppData\Local\Temp\b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe
  "C:\Users\Admin\AppData\Local\Temp\b9a622da25f4ee8092488b315c28f9c878b1b65b1889437392891334b7476a79.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:5064

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

Replay Monitor

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Downloads

memory/2124-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

Filesize
1024KB

Download
memory/2124-2-0x00000000008E0000-0x00000000008E9000-memory.dmp

Filesize
36KB

Download
memory/5064-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5064-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5064-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download