smokeloader | e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 02:40

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General

Target

e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
Size

249KB
MD5

67f6b83c3c96f64404b4f3b13cfcf09f
SHA1

af303d99787858949269fca0565edb09df23fa80
SHA256

e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a
SHA512

70ab3c195f21c4a2d9e5fb913d10539ba4db87c7a2dd796d41778e06235342cf83b0ddbc799adff9ef34b4ba977793665dfac8307750e13601d35e7fbdef9b52
SSDEEP

3072:X2raHy8eNglULH/fSEER36LKT0PHTi5VrdiJVnUC9zvsj5EvFukQrpAu:2Oy8xULfqqL6Au7rwVUC9zvF8kQre

Score

10^/10

smokeloader lab backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

description	pid	process	target process
PID 4236 set thread context of 1092	4236	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.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:

e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

pid	process
1092	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
1092	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
664
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

664
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

pid process

1092 e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

pid	process
664

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

description	pid	process	target process
PID 4236 wrote to memory of 1092	4236	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
PID 4236 wrote to memory of 1092	4236	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
PID 4236 wrote to memory of 1092	4236	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
PID 4236 wrote to memory of 1092	4236	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
PID 4236 wrote to memory of 1092	4236	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
PID 4236 wrote to memory of 1092	4236	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe	e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
"C:\Users\Admin\AppData\Local\Temp\e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4236

C:\Users\Admin\AppData\Local\Temp\e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe
"C:\Users\Admin\AppData\Local\Temp\e5a09c697d988bd1485d6e1f9294a54d23551218e0c3eecd6acd70971ab0a06a.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1092

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/664-137-0x00000000025C0000-0x00000000025D6000-memory.dmp

Filesize
88KB

Download
memory/1092-134-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1092-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1092-138-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4236-135-0x0000000000860000-0x0000000000869000-memory.dmp

Filesize
36KB

Download