smokeloader | 86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa

Analysis

max time kernel
153s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 19:02

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General

Target

86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
Size

188KB
MD5

735bc48729cd77de8040034d1c4e89dd
SHA1

7f3f5980597864309cd24f40e4c9775f74b88262
SHA256

86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa
SHA512

2dadaa270532d28585cc0fd991b2dd76df78cf346e47816298be3141e4fa774a59a74d0872b14459dd10b587093f6f97f2e17dca9cbe4a395feb13cb96d9d602
SSDEEP

3072:Rs2zdM1srjraHLjQHOeQl5mpa4ABGRytBb/mw4aDjqD/juM4:hz+LjQlfMLG8xqD7d

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4060-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3916-135-0x0000000002380000-0x0000000002389000-memory.dmp	family_smokeloader
behavioral1/memory/4060-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4060-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

description	pid	process	target process
PID 3916 set thread context of 4060	3916	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.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:

86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

pid	process
4060	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
4060	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

pid process

4060 86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

pid	process
2932

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

description	pid	process	target process
PID 3916 wrote to memory of 4060	3916	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
PID 3916 wrote to memory of 4060	3916	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
PID 3916 wrote to memory of 4060	3916	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
PID 3916 wrote to memory of 4060	3916	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
PID 3916 wrote to memory of 4060	3916	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
PID 3916 wrote to memory of 4060	3916	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe	86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe

C:\Users\Admin\AppData\Local\Temp\86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
"C:\Users\Admin\AppData\Local\Temp\86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3916

C:\Users\Admin\AppData\Local\Temp\86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe
"C:\Users\Admin\AppData\Local\Temp\86e5f53fdf215a6ae4c4fac3834ba9c71a210420872f3c682645f21de488b2fa.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4060

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/3916-134-0x000000000089E000-0x00000000008AF000-memory.dmp

Filesize
68KB

Download
memory/3916-135-0x0000000002380000-0x0000000002389000-memory.dmp

Filesize
36KB

Download
memory/4060-132-0x0000000000000000-mapping.dmp

Download
memory/4060-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4060-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4060-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download