smokeloader | 4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783

Analysis

max time kernel
43s
max time network
48s
platform
windows7_x64
resource
win7-20220414-en
submitted
25-06-2022 17:35

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General

Target

4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe
Size

100KB
MD5

353055e160858b668a5d3af3f574e9b4
SHA1

364138438342df6979867d5073fe983bf1e66236
SHA256

4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783
SHA512

5ba5b7d28e0da2b68f7c95d02e639d0f0ad4cc730c6435df5d0381978024713beeed81ea2df9cba06b080749e090c7703a9d27c3a39df763e1dcae47a3d30c24

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

http://attributivelyberkshire.bid/

http://aureomycinsschoenberg.bid/

http://winfredsbucharests.bid/

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:

4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe

pid	process
532	4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe
532	4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe

C:\Users\Admin\AppData\Local\Temp\4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe
"C:\Users\Admin\AppData\Local\Temp\4aa6cc23c7a6dfb9ec83918c987d439b44d6cdc7e2047c539ee22fad5165e783.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: MapViewOfSection
PID:532

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/532-54-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/532-56-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/532-55-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/532-57-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1268-58-0x0000000002120000-0x0000000002135000-memory.dmp

Filesize
84KB

Download