smokeloader | 7c00a34e5bc59f2b5623cd1596bb34f061ba2f6af64df7df97f2dafc1dc6430e

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 21:21

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General

Target

63df028ff1a5bff3270f3bc2792739ea.exe
Size

214KB
MD5

63df028ff1a5bff3270f3bc2792739ea
SHA1

b13ee57c9a2757a480488ab165efe63f4c9412ef
SHA256

7c00a34e5bc59f2b5623cd1596bb34f061ba2f6af64df7df97f2dafc1dc6430e
SHA512

2c2a9c9da43ea371e2c871ff730c6c4d5fb2e7453a797ad123958129fe43068521d668c9463b379a4f7ca3e59376c00ce9533ae61c11a793d3acce460d458141
SSDEEP

3072:tDq8qSjevzoptZJgzzNq4lUdtqFtJpLjdyuWWtkOphgOAg0FujDSCcsy+3CiJ1:NISivz4Yz5q4mdtE1cuWW7AOusptJ1

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

63df028ff1a5bff3270f3bc2792739ea.exe

description pid process target process

PID 1388 set thread context of 3968 1388 63df028ff1a5bff3270f3bc2792739ea.exe RegSvcs.exe
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

Processes:

63df028ff1a5bff3270f3bc2792739ea.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 63df028ff1a5bff3270f3bc2792739ea.exe

description	pid	process	target process
PID 1388 set thread context of 3968	1388	63df028ff1a5bff3270f3bc2792739ea.exe	RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63df028ff1a5bff3270f3bc2792739ea.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

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegSvcs.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegSvcs.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	RegSvcs.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

63df028ff1a5bff3270f3bc2792739ea.exe

description	pid	process	target process
PID 1388 wrote to memory of 3968	1388	63df028ff1a5bff3270f3bc2792739ea.exe	RegSvcs.exe
PID 1388 wrote to memory of 3968	1388	63df028ff1a5bff3270f3bc2792739ea.exe	RegSvcs.exe
PID 1388 wrote to memory of 3968	1388	63df028ff1a5bff3270f3bc2792739ea.exe	RegSvcs.exe
PID 1388 wrote to memory of 3968	1388	63df028ff1a5bff3270f3bc2792739ea.exe	RegSvcs.exe
PID 1388 wrote to memory of 3968	1388	63df028ff1a5bff3270f3bc2792739ea.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\63df028ff1a5bff3270f3bc2792739ea.exe
"C:\Users\Admin\AppData\Local\Temp\63df028ff1a5bff3270f3bc2792739ea.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3968

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/1388-0-0x0000000000943000-0x0000000000945000-memory.dmp

Filesize
8KB

Download
memory/3968-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download