smokeloader | 3dbac4c99611cc53fe046ac07f10bb4d89d11533c55e305314b06a8162b3f933

Analysis

max time kernel
150s
max time network
91s
platform
windows7_x64
resource
win7v20201028
submitted
03-03-2021 07:18

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General

Target

83f295f4d0465b4efaf2aac92c4b5b60.exe
Size

32KB
MD5

83f295f4d0465b4efaf2aac92c4b5b60
SHA1

ce940af848bc773d1ca2a46ea19debbbfff81f93
SHA256

3dbac4c99611cc53fe046ac07f10bb4d89d11533c55e305314b06a8162b3f933
SHA512

8ea62469437770e38da29f234c845e82c088755084ac831be12a39517bcb9edaa86c8c79ae64b4d854920b8d6d88f0aa64cf506ea23f2579737c1c6760381d8f

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

http://trybobry.com.ua/1/

rc4.i32

Signatures

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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

83f295f4d0465b4efaf2aac92c4b5b60.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	83f295f4d0465b4efaf2aac92c4b5b60.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	83f295f4d0465b4efaf2aac92c4b5b60.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

83f295f4d0465b4efaf2aac92c4b5b60.exe

pid process

792 83f295f4d0465b4efaf2aac92c4b5b60.exe
792 83f295f4d0465b4efaf2aac92c4b5b60.exe

pid	process
792	83f295f4d0465b4efaf2aac92c4b5b60.exe
792	83f295f4d0465b4efaf2aac92c4b5b60.exe

C:\Users\Admin\AppData\Local\Temp\83f295f4d0465b4efaf2aac92c4b5b60.exe
"C:\Users\Admin\AppData\Local\Temp\83f295f4d0465b4efaf2aac92c4b5b60.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: MapViewOfSection
PID:792

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

Replay Monitor

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Downloads

memory/792-2-0x00000000765E1000-0x00000000765E3000-memory.dmp

Filesize
8KB

Download
memory/1296-3-0x0000000002E00000-0x0000000002E01000-memory.dmp

Filesize
4KB

Download
memory/1296-4-0x0000000002D70000-0x0000000002D85000-memory.dmp

Filesize
84KB

Download