smokeloader | a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03

Analysis

max time kernel
190s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 12:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
Size

186KB
MD5

3e6e45622575b94fa127a2fd6398d568
SHA1

9c1d9eaae2f730dcfa2b7f54d62a9bf052ec15b7
SHA256

a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03
SHA512

f70fdc52f9a9a900b4a65c93c3ba2eb51839314beb107d27c35134439c9c34b70b586d18ede5623a8d8df39c661218e2def987030c5a40a4a9098f5dd5f280f8
SSDEEP

3072:NDuvcwGaRLxd2zWXmO57Xj+JeEi2UZLZXZ2S455F:BuBLxd2z4ZXqoE76FZ2SQ

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1020-134-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/800-136-0x0000000002390000-0x0000000002399000-memory.dmp	family_smokeloader
behavioral1/memory/1020-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1020-138-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

description	pid	process	target process
PID 800 set thread context of 1020	800	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.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:

a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

pid	process
1020	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
1020	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492
2492

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2492
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

pid process

1020 a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

pid	process
2492

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

description	pid	process	target process
PID 800 wrote to memory of 1020	800	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
PID 800 wrote to memory of 1020	800	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
PID 800 wrote to memory of 1020	800	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
PID 800 wrote to memory of 1020	800	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
PID 800 wrote to memory of 1020	800	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
PID 800 wrote to memory of 1020	800	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe	a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe

C:\Users\Admin\AppData\Local\Temp\a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
"C:\Users\Admin\AppData\Local\Temp\a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:800

C:\Users\Admin\AppData\Local\Temp\a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe
"C:\Users\Admin\AppData\Local\Temp\a6f357c82ed533049af64004ef96395e6c8e0fe9e2bba184aaa583fa58f77e03.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/800-135-0x00000000006AE000-0x00000000006BE000-memory.dmp

Filesize
64KB

Download
memory/800-136-0x0000000002390000-0x0000000002399000-memory.dmp

Filesize
36KB

Download
memory/1020-133-0x0000000000000000-mapping.dmp

Download
memory/1020-134-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1020-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1020-138-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download