smokeloader | 6a37c10bfbb386f63bfa5e3a4894a9c24defa658a69dc3c65c5bb7a5e5c9fac7

Analysis

max time kernel
150s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
09-11-2022 16:23

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General

Target

file.exe
Size

189KB
MD5

37baee15b958483161bca383eac04d74
SHA1

d4556d5d33efabf07c734efe4cbec68ce5f39cb9
SHA256

6a37c10bfbb386f63bfa5e3a4894a9c24defa658a69dc3c65c5bb7a5e5c9fac7
SHA512

7feff62272fad28c9bef561ec051539c856528a9896aa42dc5b4f1fab31f2df9057ca932f8d2c170df58eb477500b4d401426f940c5da40867391ed29387abde
SSDEEP

3072:ZWyXtw4gpFOWBdeALjBQuAT/K7R6X5n7w4CG/sWZesYsf1v6uoe6:PtYpdLjBQuATBpMxJU1Auo

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1000-56-0x00000000001B0000-0x00000000001B9000-memory.dmp	family_smokeloader

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

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:

file.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

file.exe

pid	process
1000	file.exe
1000	file.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1396
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

file.exe

pid process

1000 file.exe

pid	process
1396

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1000

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

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Downloads

memory/1000-54-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/1000-56-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/1000-55-0x000000000028D000-0x000000000029E000-memory.dmp

Filesize
68KB

Download
memory/1000-57-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1000-58-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download